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[PATCH 2/4] Import "glob" module from gnulib


This module is necessary because of the rework that will be done in
the "change directory" logic on GDB/gdbserver in the next commit.

We will have a way to "cd" to a directory also on gdbserver, but in
order to do that uniformly, there must be a way to do tilde expansion
on directories provided by the user.  Currently, GDB uses
"tilde_expand" from readline to do that, but gdbserver doesn't link
against readline and therefore cannot use this function.  The solution
is to use "glob" instead, which can perform tilde expansion as a GNU
extension.  Therefore, we need gnulib's version of "glob".

gdb/ChangeLog:
yyyy-mm-dd  Sergio Durigan Junior  <sergiodj@redhat.com>

	* gnulib/aclocal.m4: Regenerate.
	* gnulib/config.in: Likewise.
	* gnulib/configure: Likewise.
	* gnulib/import/Makefile.am: Likewise.
	* gnulib/import/Makefile.in: Likewise.
	* gnulib/import/closedir.c: New file.
	* gnulib/import/dirent-private.h: Likewise.
	* gnulib/import/filename.h: Likewise.
	* gnulib/import/getlogin_r.c: Likewise.
	* gnulib/import/glob-libc.h: Likewise.
	* gnulib/import/glob.c: Likewise.
	* gnulib/import/glob.in.h: Likewise.
	* gnulib/import/m4/closedir.m4: Likewise.
	* gnulib/import/m4/d-type.m4: Likewise.
	* gnulib/import/m4/getlogin_r.m4: Likewise.
	* gnulib/import/m4/glob.m4: Likewise.
	* gnulib/import/m4/gnulib-cache.m4: Regenerate.
	* gnulib/import/m4/gnulib-comp.m4: Likewise.
	* gnulib/import/m4/mempcpy.m4: New file.
	* gnulib/import/m4/opendir.m4: Likewise.
	* gnulib/import/m4/readdir.m4: Likewise.
	* gnulib/import/mempcpy.c: Likewise.
	* gnulib/import/opendir.c: Likewise.
	* gnulib/import/readdir.c: Likewise.
	* gnulib/update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add glob.
---
 gdb/gnulib/aclocal.m4                |    7 +
 gdb/gnulib/config.in                 |   51 +
 gdb/gnulib/configure                 |  523 +++++++++-
 gdb/gnulib/import/Makefile.am        |   83 +-
 gdb/gnulib/import/Makefile.in        |   93 +-
 gdb/gnulib/import/closedir.c         |   71 ++
 gdb/gnulib/import/dirent-private.h   |   40 +
 gdb/gnulib/import/filename.h         |   54 +
 gdb/gnulib/import/getlogin_r.c       |   87 ++
 gdb/gnulib/import/glob-libc.h        |  212 ++++
 gdb/gnulib/import/glob.c             | 1808 ++++++++++++++++++++++++++++++++++
 gdb/gnulib/import/glob.in.h          |   93 ++
 gdb/gnulib/import/m4/closedir.m4     |   30 +
 gdb/gnulib/import/m4/d-type.m4       |   32 +
 gdb/gnulib/import/m4/getlogin_r.m4   |   88 ++
 gdb/gnulib/import/m4/glob.m4         |   76 ++
 gdb/gnulib/import/m4/gnulib-cache.m4 |    3 +-
 gdb/gnulib/import/m4/gnulib-comp.m4  |   58 ++
 gdb/gnulib/import/m4/mempcpy.m4      |   26 +
 gdb/gnulib/import/m4/opendir.m4      |   31 +
 gdb/gnulib/import/m4/readdir.m4      |   15 +
 gdb/gnulib/import/mempcpy.c          |   28 +
 gdb/gnulib/import/opendir.c          |  169 ++++
 gdb/gnulib/import/readdir.c          |   98 ++
 gdb/gnulib/update-gnulib.sh          |    1 +
 25 files changed, 3743 insertions(+), 34 deletions(-)
 create mode 100644 gdb/gnulib/import/closedir.c
 create mode 100644 gdb/gnulib/import/dirent-private.h
 create mode 100644 gdb/gnulib/import/filename.h
 create mode 100644 gdb/gnulib/import/getlogin_r.c
 create mode 100644 gdb/gnulib/import/glob-libc.h
 create mode 100644 gdb/gnulib/import/glob.c
 create mode 100644 gdb/gnulib/import/glob.in.h
 create mode 100644 gdb/gnulib/import/m4/closedir.m4
 create mode 100644 gdb/gnulib/import/m4/d-type.m4
 create mode 100644 gdb/gnulib/import/m4/getlogin_r.m4
 create mode 100644 gdb/gnulib/import/m4/glob.m4
 create mode 100644 gdb/gnulib/import/m4/mempcpy.m4
 create mode 100644 gdb/gnulib/import/m4/opendir.m4
 create mode 100644 gdb/gnulib/import/m4/readdir.m4
 create mode 100644 gdb/gnulib/import/mempcpy.c
 create mode 100644 gdb/gnulib/import/opendir.c
 create mode 100644 gdb/gnulib/import/readdir.c

diff --git a/gdb/gnulib/aclocal.m4 b/gdb/gnulib/aclocal.m4
index a4ce6a6b47..e9e0be9d71 100644
--- a/gdb/gnulib/aclocal.m4
+++ b/gdb/gnulib/aclocal.m4
@@ -1016,8 +1016,10 @@ m4_include([import/m4/00gnulib.m4])
 m4_include([import/m4/absolute-header.m4])
 m4_include([import/m4/alloca.m4])
 m4_include([import/m4/canonicalize.m4])
+m4_include([import/m4/closedir.m4])
 m4_include([import/m4/codeset.m4])
 m4_include([import/m4/configmake.m4])
+m4_include([import/m4/d-type.m4])
 m4_include([import/m4/dirent_h.m4])
 m4_include([import/m4/dirfd.m4])
 m4_include([import/m4/dirname.m4])
@@ -1036,8 +1038,10 @@ m4_include([import/m4/fnmatch.m4])
 m4_include([import/m4/fpieee.m4])
 m4_include([import/m4/frexp.m4])
 m4_include([import/m4/frexpl.m4])
+m4_include([import/m4/getlogin_r.m4])
 m4_include([import/m4/gettimeofday.m4])
 m4_include([import/m4/glibc21.m4])
+m4_include([import/m4/glob.m4])
 m4_include([import/m4/gnulib-common.m4])
 m4_include([import/m4/gnulib-comp.m4])
 m4_include([import/m4/hard-locale.m4])
@@ -1063,12 +1067,15 @@ m4_include([import/m4/mbsrtowcs.m4])
 m4_include([import/m4/mbstate_t.m4])
 m4_include([import/m4/memchr.m4])
 m4_include([import/m4/memmem.m4])
+m4_include([import/m4/mempcpy.m4])
 m4_include([import/m4/mmap-anon.m4])
 m4_include([import/m4/multiarch.m4])
 m4_include([import/m4/nocrash.m4])
 m4_include([import/m4/off_t.m4])
+m4_include([import/m4/opendir.m4])
 m4_include([import/m4/pathmax.m4])
 m4_include([import/m4/rawmemchr.m4])
+m4_include([import/m4/readdir.m4])
 m4_include([import/m4/readlink.m4])
 m4_include([import/m4/rename.m4])
 m4_include([import/m4/rmdir.m4])
diff --git a/gdb/gnulib/config.in b/gdb/gnulib/config.in
index 6061520f0a..b78df1a46f 100644
--- a/gdb/gnulib/config.in
+++ b/gdb/gnulib/config.in
@@ -92,6 +92,9 @@
 /* Define to 1 when the gnulib module chdir should be tested. */
 #undef GNULIB_TEST_CHDIR
 
+/* Define to 1 when the gnulib module closedir should be tested. */
+#undef GNULIB_TEST_CLOSEDIR
+
 /* Define to 1 when the gnulib module dirfd should be tested. */
 #undef GNULIB_TEST_DIRFD
 
@@ -104,6 +107,9 @@
 /* Define to 1 when the gnulib module frexpl should be tested. */
 #undef GNULIB_TEST_FREXPL
 
+/* Define to 1 when the gnulib module getlogin_r should be tested. */
+#undef GNULIB_TEST_GETLOGIN_R
+
 /* Define to 1 when the gnulib module gettimeofday should be tested. */
 #undef GNULIB_TEST_GETTIMEOFDAY
 
@@ -128,9 +134,18 @@
 /* Define to 1 when the gnulib module memmem should be tested. */
 #undef GNULIB_TEST_MEMMEM
 
+/* Define to 1 when the gnulib module mempcpy should be tested. */
+#undef GNULIB_TEST_MEMPCPY
+
+/* Define to 1 when the gnulib module opendir should be tested. */
+#undef GNULIB_TEST_OPENDIR
+
 /* Define to 1 when the gnulib module rawmemchr should be tested. */
 #undef GNULIB_TEST_RAWMEMCHR
 
+/* Define to 1 when the gnulib module readdir should be tested. */
+#undef GNULIB_TEST_READDIR
+
 /* Define to 1 when the gnulib module readlink should be tested. */
 #undef GNULIB_TEST_READLINK
 
@@ -178,6 +193,9 @@
 /* Define to 1 if you have the `canonicalize_file_name' function. */
 #undef HAVE_CANONICALIZE_FILE_NAME
 
+/* Define to 1 if you have the `closedir' function. */
+#undef HAVE_CLOSEDIR
+
 /* Define to 1 if you have the declaration of `alarm', and to 0 if you don't.
    */
 #undef HAVE_DECL_ALARM
@@ -190,6 +208,14 @@
    don't. */
 #undef HAVE_DECL_GETC_UNLOCKED
 
+/* Define to 1 if you have the declaration of `getlogin', and to 0 if you
+   don't. */
+#undef HAVE_DECL_GETLOGIN
+
+/* Define to 1 if you have the declaration of `getlogin_r', and to 0 if you
+   don't. */
+#undef HAVE_DECL_GETLOGIN_R
+
 /* Define to 1 if you have the declaration of `isblank', and to 0 if you
    don't. */
 #undef HAVE_DECL_ISBLANK
@@ -244,12 +270,24 @@
 /* Define if the frexpl() function is available. */
 #undef HAVE_FREXPL
 
+/* Define to 1 if you have the `fstatat' function. */
+#undef HAVE_FSTATAT
+
 /* Define to 1 if you have the `getcwd' function. */
 #undef HAVE_GETCWD
 
+/* Define to 1 if you have the `getlogin_r' function. */
+#undef HAVE_GETLOGIN_R
+
+/* Define to 1 if you have the `getpwnam_r' function. */
+#undef HAVE_GETPWNAM_R
+
 /* Define to 1 if you have the `gettimeofday' function. */
 #undef HAVE_GETTIMEOFDAY
 
+/* Define to 1 if you have the <glob.h> header file. */
+#undef HAVE_GLOB_H
+
 /* Define to 1 if you have the <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 
@@ -317,6 +355,9 @@
 /* Define to 1 if you have the `mprotect' function. */
 #undef HAVE_MPROTECT
 
+/* Define to 1 if you have the `opendir' function. */
+#undef HAVE_OPENDIR
+
 /* Define to 1 if you have the `rawmemchr' function. */
 #undef HAVE_RAWMEMCHR
 
@@ -1137,6 +1178,9 @@
 /* Define to 1 if _Exit is declared even after undefining macros. */
 #undef HAVE_RAW_DECL__EXIT
 
+/* Define to 1 if you have the `readdir' function. */
+#undef HAVE_READDIR
+
 /* Define to 1 if you have the `readlink' function. */
 #undef HAVE_READLINK
 
@@ -1182,12 +1226,19 @@
 /* Define to 1 if you have the `strtok_r' function. */
 #undef HAVE_STRTOK_R
 
+/* Define if there is a member named d_type in the struct describing directory
+   headers. */
+#undef HAVE_STRUCT_DIRENT_D_TYPE
+
 /* Define to 1 if you have the `symlink' function. */
 #undef HAVE_SYMLINK
 
 /* Define to 1 if you have the <sys/bitypes.h> header file. */
 #undef HAVE_SYS_BITYPES_H
 
+/* Define to 1 if you have the <sys/cdefs.h> header file. */
+#undef HAVE_SYS_CDEFS_H
+
 /* Define to 1 if you have the <sys/inttypes.h> header file. */
 #undef HAVE_SYS_INTTYPES_H
 
diff --git a/gdb/gnulib/configure b/gdb/gnulib/configure
index 2a0dfc2d66..7d72e22bbd 100644
--- a/gdb/gnulib/configure
+++ b/gdb/gnulib/configure
@@ -1078,6 +1078,10 @@ GL_GENERATE_LIMITS_H_TRUE
 LIMITS_H
 NEXT_AS_FIRST_DIRECTIVE_LIMITS_H
 NEXT_LIMITS_H
+HAVE_SYS_CDEFS_H
+GL_GENERATE_GLOB_H_FALSE
+GL_GENERATE_GLOB_H_TRUE
+GLOB_H
 HAVE_WINSOCK2_H
 NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H
 NEXT_SYS_TIME_H
@@ -1372,6 +1376,9 @@ PRAGMA_COLUMNS
 PRAGMA_SYSTEM_HEADER
 INCLUDE_NEXT_AS_FIRST_DIRECTIVE
 INCLUDE_NEXT
+pkglibexecdir
+runstatedir
+lispdir
 REPLACE_FDOPENDIR
 REPLACE_DIRFD
 REPLACE_CLOSEDIR
@@ -1393,9 +1400,6 @@ GNULIB_CLOSEDIR
 GNULIB_REWINDDIR
 GNULIB_READDIR
 GNULIB_OPENDIR
-pkglibexecdir
-runstatedir
-lispdir
 UNISTD_H_HAVE_WINSOCK2_H_AND_USE_SOCKETS
 UNISTD_H_HAVE_WINSOCK2_H
 REPLACE_WRITE
@@ -3318,9 +3322,13 @@ as_fn_append ac_func_list " wmemcpy"
 as_fn_append ac_func_list " wmempcpy"
 as_fn_append ac_header_list " wctype.h"
 gl_fnmatch_required=GNU
+as_fn_append ac_func_list " getlogin_r"
 as_fn_append ac_header_list " sys/time.h"
 as_fn_append ac_header_list " sys/socket.h"
 as_fn_append ac_func_list " gettimeofday"
+as_fn_append ac_header_list " sys/cdefs.h"
+as_fn_append ac_func_list " fstatat"
+as_fn_append ac_func_list " getpwnam_r"
 as_fn_append ac_header_list " limits.h"
 as_fn_append ac_header_list " wchar.h"
 as_fn_append ac_header_list " stdint.h"
@@ -5306,7 +5314,9 @@ fi
   # Code from module alloca-opt:
   # Code from module canonicalize-lgpl:
   # Code from module chdir:
+  # Code from module closedir:
   # Code from module configmake:
+  # Code from module d-type:
   # Code from module dirent:
   # Code from module dirfd:
   # Code from module dirname-lgpl:
@@ -5316,6 +5326,7 @@ fi
   # Code from module errno:
   # Code from module extensions:
   # Code from module extern-inline:
+  # Code from module filename:
   # Code from module flexmember:
   # Code from module float:
   # Code from module fnmatch:
@@ -5325,7 +5336,9 @@ fi
   # Code from module fpucw:
   # Code from module frexp:
   # Code from module frexpl:
+  # Code from module getlogin_r:
   # Code from module gettimeofday:
+  # Code from module glob:
   # Code from module hard-locale:
   # Code from module include_next:
   # Code from module inttypes:
@@ -5346,10 +5359,13 @@ fi
   # Code from module memchr:
   # Code from module memmem:
   # Code from module memmem-simple:
+  # Code from module mempcpy:
   # Code from module multiarch:
   # Code from module nocrash:
+  # Code from module opendir:
   # Code from module pathmax:
   # Code from module rawmemchr:
+  # Code from module readdir:
   # Code from module readlink:
   # Code from module rename:
   # Code from module rmdir:
@@ -7663,6 +7679,30 @@ $as_echo "#define HAVE_SAME_LONG_DOUBLE_AS_DOUBLE 1" >>confdefs.h
   fi
 
 
+ac_fn_c_check_decl "$LINENO" "getlogin_r" "ac_cv_have_decl_getlogin_r" "$ac_includes_default"
+if test "x$ac_cv_have_decl_getlogin_r" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETLOGIN_R $ac_have_decl
+_ACEOF
+
+
+
+ac_fn_c_check_decl "$LINENO" "getlogin" "ac_cv_have_decl_getlogin" "$ac_includes_default"
+if test "x$ac_cv_have_decl_getlogin" = x""yes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETLOGIN $ac_have_decl
+_ACEOF
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for C/C++ restrict keyword" >&5
 $as_echo_n "checking for C/C++ restrict keyword... " >&6; }
 if test "${ac_cv_c_restrict+set}" = set; then :
@@ -7979,6 +8019,12 @@ fi
 
 
 
+
+
+
+
+
+
      if test $gl_cv_have_include_next = yes; then
        gl_cv_next_limits_h='<'limits.h'>'
      else
@@ -12669,6 +12715,56 @@ $as_echo "#define GNULIB_TEST_CHDIR 1" >>confdefs.h
 
 
 
+
+
+  for ac_func in closedir
+do :
+  ac_fn_c_check_func "$LINENO" "closedir" "ac_cv_func_closedir"
+if test "x$ac_cv_func_closedir" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_CLOSEDIR 1
+_ACEOF
+
+fi
+done
+
+  if test $ac_cv_func_closedir = no; then
+    HAVE_CLOSEDIR=0
+  fi
+
+    case $host_os,$HAVE_CLOSEDIR in
+    os2*,1)
+      REPLACE_CLOSEDIR=1;;
+  esac
+
+  if test $HAVE_CLOSEDIR = 0 || test $REPLACE_CLOSEDIR = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS closedir.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_CLOSEDIR=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_CLOSEDIR 1" >>confdefs.h
+
+
+
+
           if test "x$datarootdir" = x; then
     datarootdir='${datadir}'
 
@@ -12709,6 +12805,44 @@ $as_echo "#define GNULIB_TEST_CHDIR 1" >>confdefs.h
       pkglibexecdir='${libexecdir}/${PACKAGE}'
 
 
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for d_type member in directory struct" >&5
+$as_echo_n "checking for d_type member in directory struct... " >&6; }
+if test "${gl_cv_struct_dirent_d_type+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <sys/types.h>
+#include <dirent.h>
+
+int
+main ()
+{
+struct dirent dp; dp.d_type = 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  gl_cv_struct_dirent_d_type=yes
+else
+  gl_cv_struct_dirent_d_type=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_struct_dirent_d_type" >&5
+$as_echo "$gl_cv_struct_dirent_d_type" >&6; }
+   if test $gl_cv_struct_dirent_d_type = yes; then
+
+$as_echo "#define HAVE_STRUCT_DIRENT_D_TYPE 1" >>confdefs.h
+
+   fi
+
+
 
 
 
@@ -13982,6 +14116,114 @@ $as_echo "#define GNULIB_TEST_FREXPL 1" >>confdefs.h
 
 
 
+  if test $ac_cv_have_decl_getlogin_r = no; then
+    HAVE_DECL_GETLOGIN_R=0
+  fi
+
+
+  if test $ac_cv_func_getlogin_r = no; then
+    HAVE_GETLOGIN_R=0
+  else
+    HAVE_GETLOGIN_R=1
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether getlogin_r works with small buffers" >&5
+$as_echo_n "checking whether getlogin_r works with small buffers... " >&6; }
+if test "${gl_cv_func_getlogin_r_works+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+
+                case "$host_os" in
+                # Guess no on OSF/1.
+          osf*) gl_cv_func_getlogin_r_works="guessing no" ;;
+                # Guess yes otherwise.
+          *)    gl_cv_func_getlogin_r_works="guessing yes" ;;
+        esac
+        if test "$cross_compiling" = yes; then :
+  :
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <stddef.h>
+#include <unistd.h>
+#if !HAVE_DECL_GETLOGIN_R
+extern
+# ifdef __cplusplus
+"C"
+# endif
+int getlogin_r (char *, size_t);
+#endif
+int
+main (void)
+{
+  int result = 0;
+  char buf[100];
+
+  if (getlogin_r (buf, 0) == 0)
+    result |= 16;
+  if (getlogin_r (buf, 1) == 0)
+    result |= 17;
+  return result;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_getlogin_r_works=yes
+else
+  case $? in
+             16 | 17) gl_cv_func_getlogin_r_works=no ;;
+           esac
+
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_getlogin_r_works" >&5
+$as_echo "$gl_cv_func_getlogin_r_works" >&6; }
+    case "$gl_cv_func_getlogin_r_works" in
+      *yes) ;;
+      *) REPLACE_GETLOGIN_R=1 ;;
+    esac
+  fi
+
+  if test $HAVE_GETLOGIN_R = 0 || test $REPLACE_GETLOGIN_R = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS getlogin_r.$ac_objext"
+
+
+
+
+  fi
+
+
+
+
+
+          GNULIB_GETLOGIN_R=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_GETLOGIN_R 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
   gl_gettimeofday_timezone=void
   if test $ac_cv_func_gettimeofday != yes; then
     HAVE_GETTIMEOFDAY=0
@@ -14177,6 +14419,131 @@ $as_echo "#define GNULIB_TEST_GETTIMEOFDAY 1" >>confdefs.h
 
 
 
+   GLOB_H=
+  for ac_header in glob.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "glob.h" "ac_cv_header_glob_h" "$ac_includes_default"
+if test "x$ac_cv_header_glob_h" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_GLOB_H 1
+_ACEOF
+
+else
+  GLOB_H=glob.h
+fi
+
+done
+
+
+  if test -z "$GLOB_H"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU glob interface version 1" >&5
+$as_echo_n "checking for GNU glob interface version 1... " >&6; }
+if test "${gl_cv_gnu_glob_interface_version_1+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <gnu-versions.h>
+char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  gl_cv_gnu_glob_interface_version_1=yes
+else
+  gl_cv_gnu_glob_interface_version_1=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_gnu_glob_interface_version_1" >&5
+$as_echo "$gl_cv_gnu_glob_interface_version_1" >&6; }
+
+    if test "$gl_cv_gnu_glob_interface_version_1" = "no"; then
+      GLOB_H=glob.h
+    fi
+  fi
+
+  if test -z "$GLOB_H"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether glob lists broken symlinks" >&5
+$as_echo_n "checking whether glob lists broken symlinks... " >&6; }
+if test "${gl_cv_glob_lists_symlinks+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+       if ln -s conf-doesntexist conf$$-globtest 2>/dev/null; then
+        gl_cv_glob_lists_symlinks=maybe
+      else
+        # If we can't make a symlink, then we cannot test this issue.  Be
+        # pessimistic about this.
+        gl_cv_glob_lists_symlinks=no
+      fi
+
+      if test $gl_cv_glob_lists_symlinks = maybe; then
+        if test "$cross_compiling" = yes; then :
+  gl_cv_glob_lists_symlinks=no
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <stddef.h>
+#include <glob.h>
+int
+main ()
+{
+glob_t found;
+if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_glob_lists_symlinks=yes
+else
+  gl_cv_glob_lists_symlinks=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+      fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_glob_lists_symlinks" >&5
+$as_echo "$gl_cv_glob_lists_symlinks" >&6; }
+
+    if test $gl_cv_glob_lists_symlinks = no; then
+      GLOB_H=glob.h
+    fi
+  fi
+
+  rm -f conf$$-globtest
+
+
+   if test -n "$GLOB_H"; then
+  GL_GENERATE_GLOB_H_TRUE=
+  GL_GENERATE_GLOB_H_FALSE='#'
+else
+  GL_GENERATE_GLOB_H_TRUE='#'
+  GL_GENERATE_GLOB_H_FALSE=
+fi
+
+
+  if test -n "$GLOB_H"; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS glob.$ac_objext"
+
+
+          if test $ac_cv_header_sys_cdefs_h = yes; then
+    HAVE_SYS_CDEFS_H=1
+  else
+    HAVE_SYS_CDEFS_H=0
+  fi
+
+
+  fi
 
   :
 
@@ -16665,6 +17032,107 @@ $as_echo "#define GNULIB_TEST_MEMMEM 1" >>confdefs.h
 
 
 
+  for ac_func in mempcpy
+do :
+  ac_fn_c_check_func "$LINENO" "mempcpy" "ac_cv_func_mempcpy"
+if test "x$ac_cv_func_mempcpy" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_MEMPCPY 1
+_ACEOF
+
+fi
+done
+
+  if test $ac_cv_func_mempcpy = no; then
+    HAVE_MEMPCPY=0
+  fi
+
+  if test $HAVE_MEMPCPY = 0; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS mempcpy.$ac_objext"
+
+
+  :
+
+  fi
+
+
+
+
+
+          GNULIB_MEMPCPY=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_MEMPCPY 1" >>confdefs.h
+
+
+
+
+
+
+
+  for ac_func in opendir
+do :
+  ac_fn_c_check_func "$LINENO" "opendir" "ac_cv_func_opendir"
+if test "x$ac_cv_func_opendir" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_OPENDIR 1
+_ACEOF
+
+fi
+done
+
+  if test $ac_cv_func_opendir = no; then
+    HAVE_OPENDIR=0
+  fi
+
+      case $host_os,$HAVE_OPENDIR in
+    os2*,1)
+      REPLACE_OPENDIR=1;;
+  esac
+
+  if test $HAVE_OPENDIR = 0 || test $REPLACE_OPENDIR = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS opendir.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_OPENDIR=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_OPENDIR 1" >>confdefs.h
+
+
+
+
+
+
+
+
 
 
   for ac_func in rawmemchr
@@ -16713,6 +17181,51 @@ $as_echo "#define GNULIB_TEST_RAWMEMCHR 1" >>confdefs.h
 
 
 
+  for ac_func in readdir
+do :
+  ac_fn_c_check_func "$LINENO" "readdir" "ac_cv_func_readdir"
+if test "x$ac_cv_func_readdir" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_READDIR 1
+_ACEOF
+
+fi
+done
+
+  if test $ac_cv_func_readdir = no; then
+    HAVE_READDIR=0
+  fi
+
+  if test $HAVE_READDIR = 0; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS readdir.$ac_objext"
+
+  fi
+
+
+
+
+
+          GNULIB_READDIR=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_READDIR 1" >>confdefs.h
+
+
+
+
+
+
   if test $ac_cv_func_readlink = no; then
     HAVE_READLINK=0
   else
@@ -20526,6 +21039,10 @@ if test -z "${GL_GENERATE_FNMATCH_H_TRUE}" && test -z "${GL_GENERATE_FNMATCH_H_F
   as_fn_error "conditional \"GL_GENERATE_FNMATCH_H\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${GL_GENERATE_GLOB_H_TRUE}" && test -z "${GL_GENERATE_GLOB_H_FALSE}"; then
+  as_fn_error "conditional \"GL_GENERATE_GLOB_H\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${GL_GENERATE_LIMITS_H_TRUE}" && test -z "${GL_GENERATE_LIMITS_H_FALSE}"; then
   as_fn_error "conditional \"GL_GENERATE_LIMITS_H\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/gdb/gnulib/import/Makefile.am b/gdb/gnulib/import/Makefile.am
index 26f249d16a..defa7b34ca 100644
--- a/gdb/gnulib/import/Makefile.am
+++ b/gdb/gnulib/import/Makefile.am
@@ -21,7 +21,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl inttypes limits-h lstat memchr memmem pathmax rawmemchr readlink rename setenv signal-h strchrnul strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
+# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl glob inttypes limits-h lstat memchr memmem pathmax rawmemchr readlink rename setenv signal-h strchrnul strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
 
 AUTOMAKE_OPTIONS = 1.9.6 gnits
 
@@ -101,6 +101,15 @@ EXTRA_libgnu_a_SOURCES += canonicalize-lgpl.c
 
 ## end   gnulib module canonicalize-lgpl
 
+## begin gnulib module closedir
+
+
+EXTRA_DIST += closedir.c dirent-private.h
+
+EXTRA_libgnu_a_SOURCES += closedir.c
+
+## end   gnulib module closedir
+
 ## begin gnulib module configmake
 
 # Listed in the same order as the GNU makefile conventions, and
@@ -252,6 +261,13 @@ EXTRA_DIST += errno.in.h
 
 ## end   gnulib module errno
 
+## begin gnulib module filename
+
+
+EXTRA_DIST += filename.h
+
+## end   gnulib module filename
+
 ## begin gnulib module flexmember
 
 
@@ -341,6 +357,15 @@ EXTRA_libgnu_a_SOURCES += frexp.c frexpl.c
 
 ## end   gnulib module frexpl
 
+## begin gnulib module getlogin_r
+
+
+EXTRA_DIST += getlogin_r.c
+
+EXTRA_libgnu_a_SOURCES += getlogin_r.c
+
+## end   gnulib module getlogin_r
+
 ## begin gnulib module gettimeofday
 
 
@@ -350,6 +375,35 @@ EXTRA_libgnu_a_SOURCES += gettimeofday.c
 
 ## end   gnulib module gettimeofday
 
+## begin gnulib module glob
+
+BUILT_SOURCES += $(GLOB_H)
+
+# We need the following in order to create <glob.h> when the system
+# doesn't have one that works with the given compiler.
+if GL_GENERATE_GLOB_H
+glob.h: glob.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
+	$(AM_V_GEN)rm -f $@-t $@ && \
+	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+	  sed -e 's|@''HAVE_SYS_CDEFS_H''@|$(HAVE_SYS_CDEFS_H)|g' \
+	      -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
+	      -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
+	      -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
+	      < $(srcdir)/glob.in.h; \
+	} > $@-t && \
+	mv -f $@-t $@
+else
+glob.h: $(top_builddir)/config.status
+	rm -f $@
+endif
+MOSTLYCLEANFILES += glob.h glob.h-t
+
+EXTRA_DIST += glob-libc.h glob.c glob.in.h
+
+EXTRA_libgnu_a_SOURCES += glob.c
+
+## end   gnulib module glob
+
 ## begin gnulib module hard-locale
 
 libgnu_a_SOURCES += hard-locale.c
@@ -878,6 +932,24 @@ EXTRA_libgnu_a_SOURCES += memmem.c
 
 ## end   gnulib module memmem-simple
 
+## begin gnulib module mempcpy
+
+
+EXTRA_DIST += mempcpy.c
+
+EXTRA_libgnu_a_SOURCES += mempcpy.c
+
+## end   gnulib module mempcpy
+
+## begin gnulib module opendir
+
+
+EXTRA_DIST += dirent-private.h opendir.c
+
+EXTRA_libgnu_a_SOURCES += opendir.c
+
+## end   gnulib module opendir
+
 ## begin gnulib module pathmax
 
 
@@ -894,6 +966,15 @@ EXTRA_libgnu_a_SOURCES += rawmemchr.c
 
 ## end   gnulib module rawmemchr
 
+## begin gnulib module readdir
+
+
+EXTRA_DIST += dirent-private.h readdir.c
+
+EXTRA_libgnu_a_SOURCES += readdir.c
+
+## end   gnulib module readdir
+
 ## begin gnulib module readlink
 
 
diff --git a/gdb/gnulib/import/Makefile.in b/gdb/gnulib/import/Makefile.in
index ca7a73d970..d02fcfb9f9 100644
--- a/gdb/gnulib/import/Makefile.in
+++ b/gdb/gnulib/import/Makefile.in
@@ -36,7 +36,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl inttypes limits-h lstat memchr memmem pathmax rawmemchr readlink rename setenv signal-h strchrnul strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
+# Reproduce by: gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl glob inttypes limits-h lstat memchr memmem pathmax rawmemchr readlink rename setenv signal-h strchrnul strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
 
 
 
@@ -67,8 +67,10 @@ am__aclocal_m4_deps = $(top_srcdir)/import/m4/00gnulib.m4 \
 	$(top_srcdir)/import/m4/absolute-header.m4 \
 	$(top_srcdir)/import/m4/alloca.m4 \
 	$(top_srcdir)/import/m4/canonicalize.m4 \
+	$(top_srcdir)/import/m4/closedir.m4 \
 	$(top_srcdir)/import/m4/codeset.m4 \
 	$(top_srcdir)/import/m4/configmake.m4 \
+	$(top_srcdir)/import/m4/d-type.m4 \
 	$(top_srcdir)/import/m4/dirent_h.m4 \
 	$(top_srcdir)/import/m4/dirfd.m4 \
 	$(top_srcdir)/import/m4/dirname.m4 \
@@ -87,8 +89,10 @@ am__aclocal_m4_deps = $(top_srcdir)/import/m4/00gnulib.m4 \
 	$(top_srcdir)/import/m4/fpieee.m4 \
 	$(top_srcdir)/import/m4/frexp.m4 \
 	$(top_srcdir)/import/m4/frexpl.m4 \
+	$(top_srcdir)/import/m4/getlogin_r.m4 \
 	$(top_srcdir)/import/m4/gettimeofday.m4 \
 	$(top_srcdir)/import/m4/glibc21.m4 \
+	$(top_srcdir)/import/m4/glob.m4 \
 	$(top_srcdir)/import/m4/gnulib-common.m4 \
 	$(top_srcdir)/import/m4/gnulib-comp.m4 \
 	$(top_srcdir)/import/m4/hard-locale.m4 \
@@ -114,12 +118,15 @@ am__aclocal_m4_deps = $(top_srcdir)/import/m4/00gnulib.m4 \
 	$(top_srcdir)/import/m4/mbstate_t.m4 \
 	$(top_srcdir)/import/m4/memchr.m4 \
 	$(top_srcdir)/import/m4/memmem.m4 \
+	$(top_srcdir)/import/m4/mempcpy.m4 \
 	$(top_srcdir)/import/m4/mmap-anon.m4 \
 	$(top_srcdir)/import/m4/multiarch.m4 \
 	$(top_srcdir)/import/m4/nocrash.m4 \
 	$(top_srcdir)/import/m4/off_t.m4 \
+	$(top_srcdir)/import/m4/opendir.m4 \
 	$(top_srcdir)/import/m4/pathmax.m4 \
 	$(top_srcdir)/import/m4/rawmemchr.m4 \
+	$(top_srcdir)/import/m4/readdir.m4 \
 	$(top_srcdir)/import/m4/readlink.m4 \
 	$(top_srcdir)/import/m4/rename.m4 \
 	$(top_srcdir)/import/m4/rmdir.m4 \
@@ -256,6 +263,7 @@ FNMATCH_H = @FNMATCH_H@
 FREXPL_LIBM = @FREXPL_LIBM@
 FREXP_LIBM = @FREXP_LIBM@
 GLIBC21 = @GLIBC21@
+GLOB_H = @GLOB_H@
 GNULIB_ACOSF = @GNULIB_ACOSF@
 GNULIB_ACOSL = @GNULIB_ACOSL@
 GNULIB_ALPHASORT = @GNULIB_ALPHASORT@
@@ -856,6 +864,7 @@ HAVE_STRVERSCMP = @HAVE_STRVERSCMP@
 HAVE_SYMLINK = @HAVE_SYMLINK@
 HAVE_SYMLINKAT = @HAVE_SYMLINKAT@
 HAVE_SYS_BITYPES_H = @HAVE_SYS_BITYPES_H@
+HAVE_SYS_CDEFS_H = @HAVE_SYS_CDEFS_H@
 HAVE_SYS_INTTYPES_H = @HAVE_SYS_INTTYPES_H@
 HAVE_SYS_LOADAVG_H = @HAVE_SYS_LOADAVG_H@
 HAVE_SYS_PARAM_H = @HAVE_SYS_PARAM_H@
@@ -1281,17 +1290,20 @@ noinst_HEADERS =
 noinst_LIBRARIES = libgnu.a
 noinst_LTLIBRARIES = 
 EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h \
-	canonicalize-lgpl.c dirent.in.h dirfd.c dirname.h dosname.h \
-	errno.in.h flexmember.h float.c float.in.h itold.c fnmatch.c \
-	fnmatch.in.h fnmatch_loop.c fpucw.h frexp.c frexp.c frexpl.c \
-	gettimeofday.c hard-locale.h inttypes.in.h float+.h isnan.c \
-	isnand-nolibm.h isnand.c float+.h isnan.c isnanl-nolibm.h \
-	isnanl.c limits.in.h config.charset ref-add.sin ref-del.sin \
-	lstat.c malloc.c malloca.h malloca.valgrind math.in.h \
-	mbrtowc.c mbsinit.c mbsrtowcs-impl.h mbsrtowcs-state.c \
-	mbsrtowcs.c memchr.c memchr.valgrind memmem.c str-two-way.h \
-	pathmax.h rawmemchr.c rawmemchr.valgrind readlink.c rename.c \
-	rmdir.c same-inode.h setenv.c signal.in.h \
+	canonicalize-lgpl.c closedir.c dirent-private.h dirent.in.h \
+	dirfd.c dirname.h dosname.h errno.in.h filename.h flexmember.h \
+	float.c float.in.h itold.c fnmatch.c fnmatch.in.h \
+	fnmatch_loop.c fpucw.h frexp.c frexp.c frexpl.c getlogin_r.c \
+	gettimeofday.c glob-libc.h glob.c glob.in.h hard-locale.h \
+	inttypes.in.h float+.h isnan.c isnand-nolibm.h isnand.c \
+	float+.h isnan.c isnanl-nolibm.h isnanl.c limits.in.h \
+	config.charset ref-add.sin ref-del.sin lstat.c malloc.c \
+	malloca.h malloca.valgrind math.in.h mbrtowc.c mbsinit.c \
+	mbsrtowcs-impl.h mbsrtowcs-state.c mbsrtowcs.c memchr.c \
+	memchr.valgrind memmem.c str-two-way.h mempcpy.c \
+	dirent-private.h opendir.c pathmax.h rawmemchr.c \
+	rawmemchr.valgrind dirent-private.h readdir.c readlink.c \
+	rename.c rmdir.c same-inode.h setenv.c signal.in.h \
 	$(top_srcdir)/import/extra/snippet/_Noreturn.h \
 	$(top_srcdir)/import/extra/snippet/arg-nonnull.h \
 	$(top_srcdir)/import/extra/snippet/c++defs.h \
@@ -1313,21 +1325,22 @@ EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h \
 # present in all Makefile.am that need it. This is ensured by the applicability
 # 'all' defined above.
 BUILT_SOURCES = $(ALLOCA_H) configmake.h dirent.h $(ERRNO_H) \
-	$(FLOAT_H) $(FNMATCH_H) inttypes.h $(LIMITS_H) math.h signal.h \
-	arg-nonnull.h c++defs.h warn-on-use.h $(STDBOOL_H) $(STDDEF_H) \
-	$(STDINT_H) stdio.h stdlib.h string.h sys/stat.h sys/time.h \
-	sys/types.h time.h unistd.h wchar.h wctype.h
+	$(FLOAT_H) $(FNMATCH_H) $(GLOB_H) inttypes.h $(LIMITS_H) \
+	math.h signal.h arg-nonnull.h c++defs.h warn-on-use.h \
+	$(STDBOOL_H) $(STDDEF_H) $(STDINT_H) stdio.h stdlib.h string.h \
+	sys/stat.h sys/time.h sys/types.h time.h unistd.h wchar.h \
+	wctype.h
 SUFFIXES = .sed .sin
 MOSTLYCLEANFILES = core *.stackdump alloca.h alloca.h-t dirent.h \
 	dirent.h-t errno.h errno.h-t float.h float.h-t fnmatch.h \
-	fnmatch.h-t inttypes.h inttypes.h-t limits.h limits.h-t math.h \
-	math.h-t signal.h signal.h-t arg-nonnull.h arg-nonnull.h-t \
-	c++defs.h c++defs.h-t warn-on-use.h warn-on-use.h-t stdbool.h \
-	stdbool.h-t stddef.h stddef.h-t stdint.h stdint.h-t stdio.h \
-	stdio.h-t stdlib.h stdlib.h-t string.h string.h-t sys/stat.h \
-	sys/stat.h-t sys/time.h sys/time.h-t sys/types.h sys/types.h-t \
-	time.h time.h-t unistd.h unistd.h-t wchar.h wchar.h-t wctype.h \
-	wctype.h-t
+	fnmatch.h-t glob.h glob.h-t inttypes.h inttypes.h-t limits.h \
+	limits.h-t math.h math.h-t signal.h signal.h-t arg-nonnull.h \
+	arg-nonnull.h-t c++defs.h c++defs.h-t warn-on-use.h \
+	warn-on-use.h-t stdbool.h stdbool.h-t stddef.h stddef.h-t \
+	stdint.h stdint.h-t stdio.h stdio.h-t stdlib.h stdlib.h-t \
+	string.h string.h-t sys/stat.h sys/stat.h-t sys/time.h \
+	sys/time.h-t sys/types.h sys/types.h-t time.h time.h-t \
+	unistd.h unistd.h-t wchar.h wchar.h-t wctype.h wctype.h-t
 MOSTLYCLEANDIRS = sys
 CLEANFILES = configmake.h configmake.h-t charset.alias ref-add.sed \
 	ref-del.sed
@@ -1340,11 +1353,12 @@ libgnu_a_SOURCES = dirname-lgpl.c basename-lgpl.c stripslash.c \
 	strnlen1.h strnlen1.c unistd.c wctype-h.c
 libgnu_a_LIBADD = $(gl_LIBOBJS) @ALLOCA@
 libgnu_a_DEPENDENCIES = $(gl_LIBOBJS) @ALLOCA@
-EXTRA_libgnu_a_SOURCES = alloca.c canonicalize-lgpl.c dirfd.c float.c \
-	itold.c fnmatch.c fnmatch_loop.c frexp.c frexp.c frexpl.c \
-	gettimeofday.c isnan.c isnand.c isnan.c isnanl.c lstat.c \
-	malloc.c mbrtowc.c mbsinit.c mbsrtowcs-state.c mbsrtowcs.c \
-	memchr.c memmem.c rawmemchr.c readlink.c rename.c rmdir.c \
+EXTRA_libgnu_a_SOURCES = alloca.c canonicalize-lgpl.c closedir.c \
+	dirfd.c float.c itold.c fnmatch.c fnmatch_loop.c frexp.c \
+	frexp.c frexpl.c getlogin_r.c gettimeofday.c glob.c isnan.c \
+	isnand.c isnan.c isnanl.c lstat.c malloc.c mbrtowc.c mbsinit.c \
+	mbsrtowcs-state.c mbsrtowcs.c memchr.c memmem.c mempcpy.c \
+	opendir.c rawmemchr.c readdir.c readlink.c rename.c rmdir.c \
 	setenv.c stat.c strchrnul.c strstr.c strtok_r.c unsetenv.c
 
 # Use this preprocessor expression to decide whether #include_next works.
@@ -1423,6 +1437,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alloca.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/basename-lgpl.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/canonicalize-lgpl.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/closedir.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dirfd.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/dirname-lgpl.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/float.Po@am__quote@
@@ -1430,7 +1445,9 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fnmatch_loop.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/frexp.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/frexpl.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getlogin_r.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/gettimeofday.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/glob.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hard-locale.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/isnan.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/isnand.Po@am__quote@
@@ -1447,7 +1464,10 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mbsrtowcs.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/memchr.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/memmem.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mempcpy.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/opendir.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rawmemchr.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/readdir.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/readlink.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rename.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rmdir.Po@am__quote@
@@ -1936,6 +1956,21 @@ dirent.h: dirent.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H
 @GL_GENERATE_FNMATCH_H_FALSE@fnmatch.h: $(top_builddir)/config.status
 @GL_GENERATE_FNMATCH_H_FALSE@	rm -f $@
 
+# We need the following in order to create <glob.h> when the system
+# doesn't have one that works with the given compiler.
+@GL_GENERATE_GLOB_H_TRUE@glob.h: glob.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_NONNULL_H) $(WARN_ON_USE_H)
+@GL_GENERATE_GLOB_H_TRUE@	$(AM_V_GEN)rm -f $@-t $@ && \
+@GL_GENERATE_GLOB_H_TRUE@	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+@GL_GENERATE_GLOB_H_TRUE@	  sed -e 's|@''HAVE_SYS_CDEFS_H''@|$(HAVE_SYS_CDEFS_H)|g' \
+@GL_GENERATE_GLOB_H_TRUE@	      -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
+@GL_GENERATE_GLOB_H_TRUE@	      -e '/definition of _GL_ARG_NONNULL/r $(ARG_NONNULL_H)' \
+@GL_GENERATE_GLOB_H_TRUE@	      -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
+@GL_GENERATE_GLOB_H_TRUE@	      < $(srcdir)/glob.in.h; \
+@GL_GENERATE_GLOB_H_TRUE@	} > $@-t && \
+@GL_GENERATE_GLOB_H_TRUE@	mv -f $@-t $@
+@GL_GENERATE_GLOB_H_FALSE@glob.h: $(top_builddir)/config.status
+@GL_GENERATE_GLOB_H_FALSE@	rm -f $@
+
 # We need the following in order to create <inttypes.h> when the system
 # doesn't have one that works with the given compiler.
 inttypes.h: inttypes.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H) $(ARG_NONNULL_H)
diff --git a/gdb/gnulib/import/closedir.c b/gdb/gnulib/import/closedir.c
new file mode 100644
index 0000000000..30d1290351
--- /dev/null
+++ b/gdb/gnulib/import/closedir.c
@@ -0,0 +1,71 @@
+/* Stop reading the entries of a directory.
+   Copyright (C) 2006-2016 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <dirent.h>
+
+#if REPLACE_FCHDIR
+# include <unistd.h>
+#endif
+
+#if HAVE_CLOSEDIR
+
+/* Override closedir(), to keep track of the open file descriptors.
+   Needed because there is a function dirfd().  */
+
+#else
+
+# include <stdlib.h>
+
+# include "dirent-private.h"
+
+#endif
+
+int
+closedir (DIR *dirp)
+{
+# if REPLACE_FCHDIR || REPLACE_DIRFD
+  int fd = dirfd (dirp);
+# endif
+  int retval;
+
+#if HAVE_CLOSEDIR
+# undef closedir
+
+  retval = closedir (dirp);
+
+# ifdef __KLIBC__
+  if (!retval)
+    _gl_unregister_dirp_fd (fd);
+# endif
+#else
+
+  if (dirp->current != INVALID_HANDLE_VALUE)
+    FindClose (dirp->current);
+  free (dirp);
+
+  retval = 0;
+
+#endif
+
+#if REPLACE_FCHDIR
+  if (retval >= 0)
+    _gl_unregister_fd (fd);
+#endif
+  return retval;
+}
diff --git a/gdb/gnulib/import/dirent-private.h b/gdb/gnulib/import/dirent-private.h
new file mode 100644
index 0000000000..9b200f30da
--- /dev/null
+++ b/gdb/gnulib/import/dirent-private.h
@@ -0,0 +1,40 @@
+/* Private details of the DIR type.
+   Copyright (C) 2011-2016 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _DIRENT_PRIVATE_H
+#define _DIRENT_PRIVATE_H 1
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+struct gl_directory
+{
+  /* Status, or error code to produce in next readdir() call.
+     -2 means the end of the directory is already reached,
+     -1 means the entry was already filled by FindFirstFile,
+     0 means the entry needs to be filled using FindNextFile.
+     A positive value is an error code.  */
+  int status;
+  /* Handle, reading the directory, at current position.  */
+  HANDLE current;
+  /* Found directory entry.  */
+  WIN32_FIND_DATA entry;
+  /* Argument to pass to FindFirstFile.  It consists of the absolutized
+     directory name, followed by a directory separator and the wildcards.  */
+  char dir_name_mask[1];
+};
+
+#endif /* _DIRENT_PRIVATE_H */
diff --git a/gdb/gnulib/import/filename.h b/gdb/gnulib/import/filename.h
new file mode 100644
index 0000000000..7d2c31a8c3
--- /dev/null
+++ b/gdb/gnulib/import/filename.h
@@ -0,0 +1,54 @@
+/* Basic filename support macros.
+   Copyright (C) 2001-2004, 2007-2016 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _FILENAME_H
+#define _FILENAME_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Pathname support.
+   ISSLASH(C)           tests whether C is a directory separator character.
+   IS_ABSOLUTE_PATH(P)  tests whether P is an absolute path.  If it is not,
+                        it may be concatenated to a directory pathname.
+   IS_PATH_WITH_DIR(P)  tests whether P contains a directory specification.
+ */
+#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
+  /* Native Windows, Cygwin, OS/2, DOS */
+# define ISSLASH(C) ((C) == '/' || (C) == '\\')
+# define HAS_DEVICE(P) \
+    ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
+     && (P)[1] == ':')
+# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))
+# define IS_PATH_WITH_DIR(P) \
+    (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
+# define FILE_SYSTEM_PREFIX_LEN(P) (HAS_DEVICE (P) ? 2 : 0)
+#else
+  /* Unix */
+# define ISSLASH(C) ((C) == '/')
+# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])
+# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
+# define FILE_SYSTEM_PREFIX_LEN(P) 0
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FILENAME_H */
diff --git a/gdb/gnulib/import/getlogin_r.c b/gdb/gnulib/import/getlogin_r.c
new file mode 100644
index 0000000000..2bafb55fb1
--- /dev/null
+++ b/gdb/gnulib/import/getlogin_r.c
@@ -0,0 +1,87 @@
+/* Provide a working getlogin_r for systems which lack it.
+
+   Copyright (C) 2005-2007, 2010-2016 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
+
+/* Written by Paul Eggert, Derek Price, and Bruno Haible.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <unistd.h>
+
+#include <errno.h>
+#include <string.h>
+
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>
+#else
+# if !HAVE_DECL_GETLOGIN
+extern char *getlogin (void);
+# endif
+#endif
+
+/* See unistd.in.h for documentation.  */
+int
+getlogin_r (char *name, size_t size)
+{
+#undef getlogin_r
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+  /* Native Windows platform.  */
+  DWORD sz;
+
+  /* When size > 0x7fff, the doc says that GetUserName will fail.
+     Actually, on Windows XP SP3, it succeeds.  But let's be safe,
+     for the sake of older Windows versions.  */
+  if (size > 0x7fff)
+    size = 0x7fff;
+  sz = size;
+  if (!GetUserName (name, &sz))
+    {
+      if (GetLastError () == ERROR_INSUFFICIENT_BUFFER)
+        /* In this case, the doc says that sz contains the required size, but
+           actually, on Windows XP SP3, it contains 2 * the required size.  */
+        return ERANGE;
+      else
+        return ENOENT;
+    }
+  return 0;
+#elif HAVE_GETLOGIN_R
+  /* Platform with a getlogin_r() function.  */
+  int ret = getlogin_r (name, size);
+
+  if (ret == 0 && memchr (name, '\0', size) == NULL)
+    /* name contains a truncated result.  */
+    return ERANGE;
+  return ret;
+#else
+  /* Platform with a getlogin() function.  */
+  char *n;
+  size_t nlen;
+
+  errno = 0;
+  n = getlogin ();
+  if (!n)
+    /* ENOENT is a reasonable errno value if getlogin returns NULL.  */
+    return (errno != 0 ? errno : ENOENT);
+
+  nlen = strlen (n);
+  if (size <= nlen)
+    return ERANGE;
+  memcpy (name, n, nlen + 1);
+  return 0;
+#endif
+}
diff --git a/gdb/gnulib/import/glob-libc.h b/gdb/gnulib/import/glob-libc.h
new file mode 100644
index 0000000000..6256077f70
--- /dev/null
+++ b/gdb/gnulib/import/glob-libc.h
@@ -0,0 +1,212 @@
+/* Copyright (C) 1991-1992, 1995-1998, 2000-2001, 2004-2007, 2009-2016 Free
+   Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _GLOB_H
+#define _GLOB_H 1
+
+#ifndef __GLOB_GNULIB
+# include <sys/cdefs.h>
+#endif
+
+/* GCC 2.95 and later have "__restrict"; C99 compilers have
+   "restrict", and "configure" may have defined "restrict".
+   Other compilers use __restrict, __restrict__, and _Restrict, and
+   'configure' might #define 'restrict' to those words, so pick a
+   different name.  */
+#ifndef _Restrict_
+# if 199901L <= __STDC_VERSION__
+#  define _Restrict_ restrict
+# elif 2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__)
+#  define _Restrict_ __restrict
+# else
+#  define _Restrict_
+# endif
+#endif
+
+__BEGIN_DECLS
+
+/* We need 'size_t' for the following definitions.  */
+#ifndef __size_t
+# if defined __GNUC__ && __GNUC__ >= 2
+typedef __SIZE_TYPE__ __size_t;
+#  ifdef __USE_XOPEN
+typedef __SIZE_TYPE__ size_t;
+#  endif
+# else
+#  include <stddef.h>
+#  ifndef __size_t
+#   define __size_t size_t
+#  endif
+# endif
+#else
+/* The GNU CC stddef.h version defines __size_t as empty.  We need a real
+   definition.  */
+# undef __size_t
+# define __size_t size_t
+#endif
+
+/* Bits set in the FLAGS argument to 'glob'.  */
+#define GLOB_ERR        (1 << 0)/* Return on read errors.  */
+#define GLOB_MARK       (1 << 1)/* Append a slash to each name.  */
+#define GLOB_NOSORT     (1 << 2)/* Don't sort the names.  */
+#define GLOB_DOOFFS     (1 << 3)/* Insert PGLOB->gl_offs NULLs.  */
+#define GLOB_NOCHECK    (1 << 4)/* If nothing matches, return the pattern.  */
+#define GLOB_APPEND     (1 << 5)/* Append to results of a previous call.  */
+#define GLOB_NOESCAPE   (1 << 6)/* Backslashes don't quote metacharacters.  */
+#define GLOB_PERIOD     (1 << 7)/* Leading '.' can be matched by metachars.  */
+
+#if !defined __USE_POSIX2 || defined __USE_BSD || defined __USE_GNU
+# define GLOB_MAGCHAR    (1 << 8)/* Set in gl_flags if any metachars seen.  */
+# define GLOB_ALTDIRFUNC (1 << 9)/* Use gl_opendir et al functions.  */
+# define GLOB_BRACE      (1 << 10)/* Expand "{a,b}" to "a" "b".  */
+# define GLOB_NOMAGIC    (1 << 11)/* If no magic chars, return the pattern.  */
+# define GLOB_TILDE      (1 << 12)/* Expand ~user and ~ to home directories. */
+# define GLOB_ONLYDIR    (1 << 13)/* Match only directories.  */
+# define GLOB_TILDE_CHECK (1 << 14)/* Like GLOB_TILDE but return an error
+                                      if the user name is not available.  */
+# define __GLOB_FLAGS   (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
+                         GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND|     \
+                         GLOB_PERIOD|GLOB_ALTDIRFUNC|GLOB_BRACE|     \
+                         GLOB_NOMAGIC|GLOB_TILDE|GLOB_ONLYDIR|GLOB_TILDE_CHECK)
+#else
+# define __GLOB_FLAGS   (GLOB_ERR|GLOB_MARK|GLOB_NOSORT|GLOB_DOOFFS| \
+                         GLOB_NOESCAPE|GLOB_NOCHECK|GLOB_APPEND|     \
+                         GLOB_PERIOD)
+#endif
+
+/* Error returns from 'glob'.  */
+#define GLOB_NOSPACE    1       /* Ran out of memory.  */
+#define GLOB_ABORTED    2       /* Read error.  */
+#define GLOB_NOMATCH    3       /* No matches found.  */
+#define GLOB_NOSYS      4       /* Not implemented.  */
+#ifdef __USE_GNU
+/* Previous versions of this file defined GLOB_ABEND instead of
+   GLOB_ABORTED.  Provide a compatibility definition here.  */
+# define GLOB_ABEND GLOB_ABORTED
+#endif
+
+/* Structure describing a globbing run.  */
+#ifdef __USE_GNU
+struct stat;
+#endif
+typedef struct
+  {
+    __size_t gl_pathc;          /* Count of paths matched by the pattern.  */
+    char **gl_pathv;            /* List of matched pathnames.  */
+    __size_t gl_offs;           /* Slots to reserve in 'gl_pathv'.  */
+    int gl_flags;               /* Set to FLAGS, maybe | GLOB_MAGCHAR.  */
+
+    /* If the GLOB_ALTDIRFUNC flag is set, the following functions
+       are used instead of the normal file access functions.  */
+    void (*gl_closedir) (void *);
+#ifdef __USE_GNU
+    struct dirent *(*gl_readdir) (void *);
+#else
+    void *(*gl_readdir) (void *);
+#endif
+    void *(*gl_opendir) (const char *);
+#ifdef __USE_GNU
+    int (*gl_lstat) (const char *_Restrict_, struct stat *_Restrict_);
+    int (*gl_stat) (const char *_Restrict_, struct stat *_Restrict_);
+#else
+    int (*gl_lstat) (const char *_Restrict_, void *_Restrict_);
+    int (*gl_stat) (const char *_Restrict_, void *_Restrict_);
+#endif
+  } glob_t;
+
+#if defined __USE_LARGEFILE64 && !defined __GLOB_GNULIB
+# ifdef __USE_GNU
+struct stat64;
+# endif
+typedef struct
+  {
+    __size_t gl_pathc;
+    char **gl_pathv;
+    __size_t gl_offs;
+    int gl_flags;
+
+    /* If the GLOB_ALTDIRFUNC flag is set, the following functions
+       are used instead of the normal file access functions.  */
+    void (*gl_closedir) (void *);
+# ifdef __USE_GNU
+    struct dirent64 *(*gl_readdir) (void *);
+# else
+    void *(*gl_readdir) (void *);
+# endif
+    void *(*gl_opendir) (const char *);
+# ifdef __USE_GNU
+    int (*gl_lstat) (const char *_Restrict_, struct stat64 *_Restrict_);
+    int (*gl_stat) (const char *_Restrict_, struct stat64 *_Restrict_);
+# else
+    int (*gl_lstat) (const char *_Restrict_, void *_Restrict_);
+    int (*gl_stat) (const char *_Restrict_, void *_Restrict_);
+# endif
+  } glob64_t;
+#endif
+
+#if __USE_FILE_OFFSET64 && __GNUC__ < 2 && !defined __GLOB_GNULIB
+# define glob glob64
+# define globfree globfree64
+#endif
+
+/* Do glob searching for PATTERN, placing results in PGLOB.
+   The bits defined above may be set in FLAGS.
+   If a directory cannot be opened or read and ERRFUNC is not nil,
+   it is called with the pathname that caused the error, and the
+   'errno' value from the failing call; if it returns non-zero
+   'glob' returns GLOB_ABEND; if it returns zero, the error is ignored.
+   If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
+   Otherwise, 'glob' returns zero.  */
+#if !defined __USE_FILE_OFFSET64 || __GNUC__ < 2 || defined __GLOB_GNULIB
+extern int glob (const char *_Restrict_ __pattern, int __flags,
+                 int (*__errfunc) (const char *, int),
+                 glob_t *_Restrict_ __pglob) __THROW _GL_ARG_NONNULL ((1, 4));
+
+/* Free storage allocated in PGLOB by a previous 'glob' call.  */
+extern void globfree (glob_t *__pglob) __THROW _GL_ARG_NONNULL ((1));
+#else
+extern int __REDIRECT_NTH (glob, (const char *_Restrict_ __pattern,
+                                  int __flags,
+                                  int (*__errfunc) (const char *, int),
+                                  glob_t *_Restrict_ __pglob), glob64);
+
+extern void __REDIRECT_NTH (globfree, (glob_t *__pglob), globfree64);
+#endif
+
+#if defined __USE_LARGEFILE64 && !defined __GLOB_GNULIB
+extern int glob64 (const char *_Restrict_ __pattern, int __flags,
+                   int (*__errfunc) (const char *, int),
+                   glob64_t *_Restrict_ __pglob)
+     __THROW _GL_ARG_NONNULL ((1, 4));
+
+extern void globfree64 (glob64_t *__pglob) __THROW _GL_ARG_NONNULL ((1));
+#endif
+
+
+#ifdef __USE_GNU
+/* Return nonzero if PATTERN contains any metacharacters.
+   Metacharacters can be quoted with backslashes if QUOTE is nonzero.
+
+   This function is not part of the interface specified by POSIX.2
+   but several programs want to use it.  */
+extern int glob_pattern_p (const char *__pattern, int __quote)
+     __THROW _GL_ARG_NONNULL ((1));
+#endif
+
+__END_DECLS
+
+#endif /* glob.h  */
diff --git a/gdb/gnulib/import/glob.c b/gdb/gnulib/import/glob.c
new file mode 100644
index 0000000000..4b04b902e5
--- /dev/null
+++ b/gdb/gnulib/import/glob.c
@@ -0,0 +1,1808 @@
+/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public
+   License as published by the Free Software Foundation; either
+   version 3 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _LIBC
+/* Don't use __attribute__ __nonnull__ in this compilation unit.  Otherwise gcc
+   optimizes away the pattern == NULL || pglob == NULL tests below.  */
+# define _GL_ARG_NONNULL(params)
+# include <config.h>
+#endif
+
+#include <glob.h>
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+/* Outcomment the following line for production quality code.  */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
+#include <stdio.h>              /* Needed on stupid SunOS for assert.  */
+
+#ifndef GLOB_ONLY_P
+
+#include <unistd.h>
+#if !defined POSIX && defined _POSIX_VERSION
+# define POSIX
+#endif
+
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+# define WINDOWS32
+#endif
+
+#ifndef WINDOWS32
+# include <pwd.h>
+#endif
+
+#include <errno.h>
+#ifndef __set_errno
+# define __set_errno(val) errno = (val)
+#endif
+
+#include <dirent.h>
+#include <stdlib.h>
+#include <string.h>
+#include <alloca.h>
+
+#ifdef _LIBC
+# undef strdup
+# define strdup(str) __strdup (str)
+# define sysconf(id) __sysconf (id)
+# define closedir(dir) __closedir (dir)
+# define opendir(name) __opendir (name)
+# define readdir(str) __readdir64 (str)
+# define getpwnam_r(name, bufp, buf, len, res) \
+   __getpwnam_r (name, bufp, buf, len, res)
+# ifndef __stat64
+#  define __stat64(fname, buf) __xstat64 (_STAT_VER, fname, buf)
+# endif
+# define struct_stat64          struct stat64
+#else /* !_LIBC */
+# define __getlogin_r(buf, len) getlogin_r (buf, len)
+# define __stat64(fname, buf)   stat (fname, buf)
+# define __fxstatat64(_, d, f, st, flag) fstatat (d, f, st, flag)
+# define struct_stat64          struct stat
+# ifndef __MVS__
+#  define __alloca              alloca
+# endif
+# define __readdir              readdir
+# define __glob_pattern_p       glob_pattern_p
+# define COMPILE_GLOB64
+#endif /* _LIBC */
+
+#include <fnmatch.h>
+
+#include "flexmember.h"
+
+#ifdef _SC_GETPW_R_SIZE_MAX
+# define GETPW_R_SIZE_MAX()     sysconf (_SC_GETPW_R_SIZE_MAX)
+#else
+# define GETPW_R_SIZE_MAX()     (-1)
+#endif
+#ifdef _SC_LOGIN_NAME_MAX
+# define GET_LOGIN_NAME_MAX()   sysconf (_SC_LOGIN_NAME_MAX)
+#else
+# define GET_LOGIN_NAME_MAX()   (-1)
+#endif
+
+static const char *next_brace_sub (const char *begin, int flags) __THROWNL;
+
+/* A representation of a directory entry which does not depend on the
+   layout of struct dirent, or the size of ino_t.  */
+struct readdir_result
+{
+  const char *name;
+# if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE
+  uint8_t type;
+# endif
+  bool skip_entry;
+};
+
+# if defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE
+/* Initializer based on the d_type member of struct dirent.  */
+#  define D_TYPE_TO_RESULT(source) (source)->d_type,
+
+/* True if the directory entry D might be a symbolic link.  */
+static bool
+readdir_result_might_be_symlink (struct readdir_result d)
+{
+  return d.type == DT_UNKNOWN || d.type == DT_LNK;
+}
+
+/* True if the directory entry D might be a directory.  */
+static bool
+readdir_result_might_be_dir (struct readdir_result d)
+{
+  return d.type == DT_DIR || readdir_result_might_be_symlink (d);
+}
+# else /* defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE */
+#  define D_TYPE_TO_RESULT(source)
+
+/* If we do not have type information, symbolic links and directories
+   are always a possibility.  */
+
+static bool
+readdir_result_might_be_symlink (struct readdir_result d)
+{
+  return true;
+}
+
+static bool
+readdir_result_might_be_dir (struct readdir_result d)
+{
+  return true;
+}
+
+# endif /* defined _DIRENT_HAVE_D_TYPE || defined HAVE_STRUCT_DIRENT_D_TYPE */
+
+# if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__
+/* Initializer for skip_entry.  POSIX does not require that the d_ino
+   field be present, and some systems do not provide it. */
+#  define D_INO_TO_RESULT(source) false,
+# else
+#  define D_INO_TO_RESULT(source) (source)->d_ino == 0,
+# endif
+
+/* Construct an initializer for a struct readdir_result object from a
+   struct dirent *.  No copy of the name is made.  */
+#define READDIR_RESULT_INITIALIZER(source) \
+  {                                        \
+    source->d_name,                        \
+    D_TYPE_TO_RESULT (source)              \
+    D_INO_TO_RESULT (source)               \
+  }
+
+#endif /* !defined GLOB_ONLY_P */
+
+/* Call gl_readdir on STREAM.  This macro can be overridden to reduce
+   type safety if an old interface version needs to be supported.  */
+#ifndef GL_READDIR
+# define GL_READDIR(pglob, stream) ((pglob)->gl_readdir (stream))
+#endif
+
+/* Extract name and type from directory entry.  No copy of the name is
+   made.  If SOURCE is NULL, result name is NULL.  Keep in sync with
+   convert_dirent64 below.  */
+static struct readdir_result
+convert_dirent (const struct dirent *source)
+{
+  if (source == NULL)
+    {
+      struct readdir_result result = { NULL, };
+      return result;
+    }
+  struct readdir_result result = READDIR_RESULT_INITIALIZER (source);
+  return result;
+}
+
+#ifndef COMPILE_GLOB64
+/* Like convert_dirent, but works on struct dirent64 instead.  Keep in
+   sync with convert_dirent above.  */
+static struct readdir_result
+convert_dirent64 (const struct dirent64 *source)
+{
+  if (source == NULL)
+    {
+      struct readdir_result result = { NULL, };
+      return result;
+    }
+  struct readdir_result result = READDIR_RESULT_INITIALIZER (source);
+  return result;
+}
+#endif
+
+
+#ifndef attribute_hidden
+# define attribute_hidden
+#endif
+
+#ifndef __attribute_noinline__
+# if __GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 1)
+#  define __attribute_noinline__ /* Ignore */
+#else
+#  define __attribute_noinline__ __attribute__ ((__noinline__))
+# endif
+#endif
+
+#if ! defined __builtin_expect && __GNUC__ < 3
+# define __builtin_expect(expr, expected) (expr)
+#endif
+
+#ifndef __glibc_unlikely
+# define __glibc_unlikely(expr) __builtin_expect (expr, 0)
+#endif
+
+#ifndef _LIBC
+/* The results of opendir() in this file are not used with dirfd and fchdir,
+   and we do not leak fds to any single-threaded code that could use stdio,
+   therefore save some unnecessary recursion in fchdir.c and opendir_safer.c.
+   FIXME - if the kernel ever adds support for multi-thread safety for
+   avoiding standard fds, then we should use opendir_safer.  */
+# ifdef GNULIB_defined_opendir
+#  undef opendir
+# endif
+# ifdef GNULIB_defined_closedir
+#  undef closedir
+# endif
+
+/* Just use malloc.  */
+# define __libc_use_alloca(n) false
+# define alloca_account(len, avar) ((void) (len), (void) (avar), (void *) 0)
+# define extend_alloca_account(buf, len, newlen, avar) \
+    ((void) (buf), (void) (len), (void) (newlen), (void) (avar), (void *) 0)
+#endif
+
+#ifndef __has_builtin
+# define __has_builtin(x) 0
+#endif
+
+/* Set *R = A + B.  Return true if the answer is mathematically
+   incorrect due to overflow; in this case, *R is the low order
+   bits of the correct answer..  */
+
+static bool
+size_add_wrapv (size_t a, size_t b, size_t *r)
+{
+#if 5 <= __GNUC__ || __has_builtin (__builtin_add_overflow)
+  return __builtin_add_overflow (a, b, r);
+#else
+  *r = a + b;
+  return *r < a;
+#endif
+}
+
+static bool
+glob_use_alloca (size_t alloca_used, size_t len)
+{
+  size_t size;
+  return (!size_add_wrapv (alloca_used, len, &size)
+          && __libc_use_alloca (size));
+}
+
+static int glob_in_dir (const char *pattern, const char *directory,
+                        int flags, int (*errfunc) (const char *, int),
+                        glob_t *pglob, size_t alloca_used);
+extern int __glob_pattern_type (const char *pattern, int quote)
+    attribute_hidden;
+
+#ifndef GLOB_ONLY_P
+static int prefix_array (const char *prefix, char **array, size_t n) __THROWNL;
+static int collated_compare (const void *, const void *) __THROWNL;
+
+
+/* Find the end of the sub-pattern in a brace expression.  */
+static const char *
+next_brace_sub (const char *cp, int flags)
+{
+  size_t depth = 0;
+  while (*cp != '\0')
+    if ((flags & GLOB_NOESCAPE) == 0 && *cp == '\\')
+      {
+        if (*++cp == '\0')
+          break;
+        ++cp;
+      }
+    else
+      {
+        if ((*cp == '}' && depth-- == 0) || (*cp == ',' && depth == 0))
+          break;
+
+        if (*cp++ == '{')
+          depth++;
+      }
+
+  return *cp != '\0' ? cp : NULL;
+}
+
+#endif /* !defined GLOB_ONLY_P */
+
+/* Do glob searching for PATTERN, placing results in PGLOB.
+   The bits defined above may be set in FLAGS.
+   If a directory cannot be opened or read and ERRFUNC is not nil,
+   it is called with the pathname that caused the error, and the
+   'errno' value from the failing call; if it returns non-zero
+   'glob' returns GLOB_ABORTED; if it returns zero, the error is ignored.
+   If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned.
+   Otherwise, 'glob' returns zero.  */
+int
+#ifdef GLOB_ATTRIBUTE
+GLOB_ATTRIBUTE
+#endif
+glob (const char *pattern, int flags, int (*errfunc) (const char *, int),
+      glob_t *pglob)
+{
+  const char *filename;
+  char *dirname = NULL;
+  size_t dirlen;
+  int status;
+  size_t oldcount;
+  int meta;
+  int dirname_modified;
+  int malloc_dirname = 0;
+  glob_t dirs;
+  int retval = 0;
+  size_t alloca_used = 0;
+
+  if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  /* POSIX requires all slashes to be matched.  This means that with
+     a trailing slash we must match only directories.  */
+  if (pattern[0] && pattern[strlen (pattern) - 1] == '/')
+    flags |= GLOB_ONLYDIR;
+
+  if (!(flags & GLOB_DOOFFS))
+    /* Have to do this so 'globfree' knows where to start freeing.  It
+       also makes all the code that uses gl_offs simpler. */
+    pglob->gl_offs = 0;
+
+  if (flags & GLOB_BRACE)
+    {
+      const char *begin;
+
+      if (flags & GLOB_NOESCAPE)
+        begin = strchr (pattern, '{');
+      else
+        {
+          begin = pattern;
+          while (1)
+            {
+              if (*begin == '\0')
+                {
+                  begin = NULL;
+                  break;
+                }
+
+              if (*begin == '\\' && begin[1] != '\0')
+                ++begin;
+              else if (*begin == '{')
+                break;
+
+              ++begin;
+            }
+        }
+
+      if (begin != NULL)
+        {
+          /* Allocate working buffer large enough for our work.  Note that
+            we have at least an opening and closing brace.  */
+          size_t firstc;
+          char *alt_start;
+          const char *p;
+          const char *next;
+          const char *rest;
+          size_t rest_len;
+          char *onealt;
+          size_t pattern_len = strlen (pattern) - 1;
+          int alloca_onealt = glob_use_alloca (alloca_used, pattern_len);
+          if (alloca_onealt)
+            onealt = alloca_account (pattern_len, alloca_used);
+          else
+            {
+              onealt = malloc (pattern_len);
+              if (onealt == NULL)
+                {
+                  if (!(flags & GLOB_APPEND))
+                    {
+                      pglob->gl_pathc = 0;
+                      pglob->gl_pathv = NULL;
+                    }
+                  return GLOB_NOSPACE;
+                }
+            }
+
+          /* We know the prefix for all sub-patterns.  */
+          alt_start = mempcpy (onealt, pattern, begin - pattern);
+
+          /* Find the first sub-pattern and at the same time find the
+             rest after the closing brace.  */
+          next = next_brace_sub (begin + 1, flags);
+          if (next == NULL)
+            {
+              /* It is an invalid expression.  */
+            illegal_brace:
+              if (__glibc_unlikely (!alloca_onealt))
+                free (onealt);
+              return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob);
+            }
+
+          /* Now find the end of the whole brace expression.  */
+          rest = next;
+          while (*rest != '}')
+            {
+              rest = next_brace_sub (rest + 1, flags);
+              if (rest == NULL)
+                /* It is an illegal expression.  */
+                goto illegal_brace;
+            }
+          /* Please note that we now can be sure the brace expression
+             is well-formed.  */
+          rest_len = strlen (++rest) + 1;
+
+          /* We have a brace expression.  BEGIN points to the opening {,
+             NEXT points past the terminator of the first element, and END
+             points past the final }.  We will accumulate result names from
+             recursive runs for each brace alternative in the buffer using
+             GLOB_APPEND.  */
+
+          if (!(flags & GLOB_APPEND))
+            {
+              /* This call is to set a new vector, so clear out the
+                 vector so we can append to it.  */
+              pglob->gl_pathc = 0;
+              pglob->gl_pathv = NULL;
+            }
+          firstc = pglob->gl_pathc;
+
+          p = begin + 1;
+          while (1)
+            {
+              int result;
+
+              /* Construct the new glob expression.  */
+              mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len);
+
+              result = glob (onealt,
+                             ((flags & ~(GLOB_NOCHECK | GLOB_NOMAGIC))
+                              | GLOB_APPEND), errfunc, pglob);
+
+              /* If we got an error, return it.  */
+              if (result && result != GLOB_NOMATCH)
+                {
+                  if (__glibc_unlikely (!alloca_onealt))
+                    free (onealt);
+                  if (!(flags & GLOB_APPEND))
+                    {
+                      globfree (pglob);
+                      pglob->gl_pathc = 0;
+                    }
+                  return result;
+                }
+
+              if (*next == '}')
+                /* We saw the last entry.  */
+                break;
+
+              p = next + 1;
+              next = next_brace_sub (p, flags);
+              assert (next != NULL);
+            }
+
+          if (__glibc_unlikely (!alloca_onealt))
+            free (onealt);
+
+          if (pglob->gl_pathc != firstc)
+            /* We found some entries.  */
+            return 0;
+          else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
+            return GLOB_NOMATCH;
+        }
+    }
+
+  if (!(flags & GLOB_APPEND))
+    {
+      pglob->gl_pathc = 0;
+      if (!(flags & GLOB_DOOFFS))
+        pglob->gl_pathv = NULL;
+      else
+        {
+          size_t i;
+
+          if (pglob->gl_offs >= SIZE_MAX / sizeof (char *))
+            return GLOB_NOSPACE;
+
+          pglob->gl_pathv = malloc ((pglob->gl_offs + 1) * sizeof (char *));
+          if (pglob->gl_pathv == NULL)
+            return GLOB_NOSPACE;
+
+          for (i = 0; i <= pglob->gl_offs; ++i)
+            pglob->gl_pathv[i] = NULL;
+        }
+    }
+
+  oldcount = pglob->gl_pathc + pglob->gl_offs;
+
+  /* Find the filename.  */
+  filename = strrchr (pattern, '/');
+#if defined __MSDOS__ || defined WINDOWS32
+  /* The case of "d:pattern".  Since ':' is not allowed in
+     file names, we can safely assume that wherever it
+     happens in pattern, it signals the filename part.  This
+     is so we could some day support patterns like "[a-z]:foo".  */
+  if (filename == NULL)
+    filename = strchr (pattern, ':');
+#endif /* __MSDOS__ || WINDOWS32 */
+  dirname_modified = 0;
+  if (filename == NULL)
+    {
+      /* This can mean two things: a simple name or "~name".  The latter
+         case is nothing but a notation for a directory.  */
+      if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && pattern[0] == '~')
+        {
+          dirname = (char *) pattern;
+          dirlen = strlen (pattern);
+
+          /* Set FILENAME to NULL as a special flag.  This is ugly but
+             other solutions would require much more code.  We test for
+             this special case below.  */
+          filename = NULL;
+        }
+      else
+        {
+          if (__glibc_unlikely (pattern[0] == '\0'))
+            {
+              dirs.gl_pathv = NULL;
+              goto no_matches;
+            }
+
+          filename = pattern;
+#ifdef _AMIGA
+          dirname = (char *) "";
+#else
+          dirname = (char *) ".";
+#endif
+          dirlen = 0;
+        }
+    }
+  else if (filename == pattern
+           || (filename == pattern + 1 && pattern[0] == '\\'
+               && (flags & GLOB_NOESCAPE) == 0))
+    {
+      /* "/pattern" or "\\/pattern".  */
+      dirname = (char *) "/";
+      dirlen = 1;
+      ++filename;
+    }
+  else
+    {
+      char *newp;
+      dirlen = filename - pattern;
+#if defined __MSDOS__ || defined WINDOWS32
+      if (*filename == ':'
+          || (filename > pattern + 1 && filename[-1] == ':'))
+        {
+          char *drive_spec;
+
+          ++dirlen;
+          drive_spec = __alloca (dirlen + 1);
+          *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0';
+          /* For now, disallow wildcards in the drive spec, to
+             prevent infinite recursion in glob.  */
+          if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE)))
+            return GLOB_NOMATCH;
+          /* If this is "d:pattern", we need to copy ':' to DIRNAME
+             as well.  If it's "d:/pattern", don't remove the slash
+             from "d:/", since "d:" and "d:/" are not the same.*/
+        }
+#endif
+      if (glob_use_alloca (alloca_used, dirlen + 1))
+        newp = alloca_account (dirlen + 1, alloca_used);
+      else
+        {
+          newp = malloc (dirlen + 1);
+          if (newp == NULL)
+            return GLOB_NOSPACE;
+          malloc_dirname = 1;
+        }
+      *((char *) mempcpy (newp, pattern, dirlen)) = '\0';
+      dirname = newp;
+      ++filename;
+
+      if (filename[0] == '\0'
+#if defined __MSDOS__ || defined WINDOWS32
+          && dirname[dirlen - 1] != ':'
+          && (dirlen < 3 || dirname[dirlen - 2] != ':'
+              || dirname[dirlen - 1] != '/')
+#endif
+          && dirlen > 1)
+        /* "pattern/".  Expand "pattern", appending slashes.  */
+        {
+          int orig_flags = flags;
+          int val;
+          if (!(flags & GLOB_NOESCAPE) && dirname[dirlen - 1] == '\\')
+            {
+              /* "pattern\\/".  Remove the final backslash if it hasn't
+                 been quoted.  */
+              char *p = (char *) &dirname[dirlen - 1];
+
+              while (p > dirname && p[-1] == '\\') --p;
+              if ((&dirname[dirlen] - p) & 1)
+                {
+                  *(char *) &dirname[--dirlen] = '\0';
+                  flags &= ~(GLOB_NOCHECK | GLOB_NOMAGIC);
+                }
+            }
+          val = glob (dirname, flags | GLOB_MARK, errfunc, pglob);
+          if (val == 0)
+            pglob->gl_flags = ((pglob->gl_flags & ~GLOB_MARK)
+                               | (flags & GLOB_MARK));
+          else if (val == GLOB_NOMATCH && flags != orig_flags)
+            {
+              /* Make sure globfree (&dirs); is a nop.  */
+              dirs.gl_pathv = NULL;
+              flags = orig_flags;
+              oldcount = pglob->gl_pathc + pglob->gl_offs;
+              goto no_matches;
+            }
+          retval = val;
+          goto out;
+        }
+    }
+
+  if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~')
+    {
+      if (dirname[1] == '\0' || dirname[1] == '/'
+          || (!(flags & GLOB_NOESCAPE) && dirname[1] == '\\'
+              && (dirname[2] == '\0' || dirname[2] == '/')))
+        {
+          /* Look up home directory.  */
+          char *home_dir = getenv ("HOME");
+          int malloc_home_dir = 0;
+# ifdef _AMIGA
+          if (home_dir == NULL || home_dir[0] == '\0')
+            home_dir = "SYS:";
+# else
+#  ifdef WINDOWS32
+          /* Windows NT defines HOMEDRIVE and HOMEPATH.  But give preference
+             to HOME, because the user can change HOME.  */
+          if (home_dir == NULL || home_dir[0] == '\0')
+            {
+              const char *home_drive = getenv ("HOMEDRIVE");
+              const char *home_path = getenv ("HOMEPATH");
+
+              if (home_drive != NULL && home_path != NULL)
+                {
+                  size_t home_drive_len = strlen (home_drive);
+                  size_t home_path_len = strlen (home_path);
+                  char *mem = alloca (home_drive_len + home_path_len + 1);
+
+                  memcpy (mem, home_drive, home_drive_len);
+                  memcpy (mem + home_drive_len, home_path, home_path_len + 1);
+                  home_dir = mem;
+                }
+              else
+                home_dir = "c:/users/default"; /* poor default */
+            }
+#  else
+          if (home_dir == NULL || home_dir[0] == '\0')
+            {
+              int success;
+              char *name;
+              int malloc_name = 0;
+              size_t buflen = GET_LOGIN_NAME_MAX () + 1;
+
+              if (buflen == 0)
+                /* 'sysconf' does not support _SC_LOGIN_NAME_MAX.  Try
+                   a moderate value.  */
+                buflen = 20;
+              if (glob_use_alloca (alloca_used, buflen))
+                name = alloca_account (buflen, alloca_used);
+              else
+                {
+                  name = malloc (buflen);
+                  if (name == NULL)
+                    {
+                      retval = GLOB_NOSPACE;
+                      goto out;
+                    }
+                  malloc_name = 1;
+                }
+
+              success = __getlogin_r (name, buflen) == 0;
+              if (success)
+                {
+                  struct passwd *p;
+#   if defined HAVE_GETPWNAM_R || defined _LIBC
+                  long int pwbuflenmax = GETPW_R_SIZE_MAX ();
+                  size_t pwbuflen = pwbuflenmax;
+                  char *pwtmpbuf;
+                  struct passwd pwbuf;
+                  char *malloc_pwtmpbuf = NULL;
+                  int save = errno;
+
+#    ifndef _LIBC
+                  if (! (0 < pwbuflenmax && pwbuflenmax <= SIZE_MAX))
+                    /* Perhaps 'sysconf' does not support _SC_GETPW_R_SIZE_MAX.
+                       Try a moderate value.  */
+                    pwbuflen = 1024;
+#    endif
+                  if (glob_use_alloca (alloca_used, pwbuflen))
+                    pwtmpbuf = alloca_account (pwbuflen, alloca_used);
+                  else
+                    {
+                      pwtmpbuf = malloc (pwbuflen);
+                      if (pwtmpbuf == NULL)
+                        {
+                          retval = GLOB_NOSPACE;
+                          goto out;
+                        }
+                      malloc_pwtmpbuf = pwtmpbuf;
+                    }
+
+                  while (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p)
+                         != 0)
+                    {
+                      size_t newlen;
+                      bool v;
+                      if (errno != ERANGE)
+                        {
+                          p = NULL;
+                          break;
+                        }
+                      v = size_add_wrapv (pwbuflen, pwbuflen, &newlen);
+                      if (!v && malloc_pwtmpbuf == NULL
+                          && glob_use_alloca (alloca_used, newlen))
+                        pwtmpbuf = extend_alloca_account (pwtmpbuf, pwbuflen,
+                                                          newlen, alloca_used);
+                      else
+                        {
+                          char *newp = (v ? NULL
+                                        : realloc (malloc_pwtmpbuf, newlen));
+                          if (newp == NULL)
+                            {
+                              free (malloc_pwtmpbuf);
+                              retval = GLOB_NOSPACE;
+                              goto out;
+                            }
+                          malloc_pwtmpbuf = pwtmpbuf = newp;
+                        }
+                      pwbuflen = newlen;
+                      __set_errno (save);
+                    }
+#   else
+                  p = getpwnam (name);
+#   endif
+                  if (__glibc_unlikely (malloc_name))
+                    free (name);
+                  if (p != NULL)
+                    {
+                      if (malloc_pwtmpbuf == NULL)
+                        home_dir = p->pw_dir;
+                      else
+                        {
+                          size_t home_dir_len = strlen (p->pw_dir) + 1;
+                          if (glob_use_alloca (alloca_used, home_dir_len))
+                            home_dir = alloca_account (home_dir_len,
+                                                       alloca_used);
+                          else
+                            {
+                              home_dir = malloc (home_dir_len);
+                              if (home_dir == NULL)
+                                {
+                                  free (pwtmpbuf);
+                                  retval = GLOB_NOSPACE;
+                                  goto out;
+                                }
+                              malloc_home_dir = 1;
+                            }
+                          memcpy (home_dir, p->pw_dir, home_dir_len);
+
+                          free (pwtmpbuf);
+                        }
+                    }
+                }
+            }
+          if (home_dir == NULL || home_dir[0] == '\0')
+            {
+              if (flags & GLOB_TILDE_CHECK)
+                {
+                  if (__glibc_unlikely (malloc_home_dir))
+                    free (home_dir);
+                  retval = GLOB_NOMATCH;
+                  goto out;
+                }
+              else
+                home_dir = (char *) "~"; /* No luck.  */
+            }
+#  endif /* WINDOWS32 */
+# endif
+          /* Now construct the full directory.  */
+          if (dirname[1] == '\0')
+            {
+              if (__glibc_unlikely (malloc_dirname))
+                free (dirname);
+
+              dirname = home_dir;
+              dirlen = strlen (dirname);
+              malloc_dirname = malloc_home_dir;
+            }
+          else
+            {
+              char *newp;
+              size_t home_len = strlen (home_dir);
+              int use_alloca = glob_use_alloca (alloca_used, home_len + dirlen);
+              if (use_alloca)
+                newp = alloca_account (home_len + dirlen, alloca_used);
+              else
+                {
+                  newp = malloc (home_len + dirlen);
+                  if (newp == NULL)
+                    {
+                      if (__glibc_unlikely (malloc_home_dir))
+                        free (home_dir);
+                      retval = GLOB_NOSPACE;
+                      goto out;
+                    }
+                }
+
+              mempcpy (mempcpy (newp, home_dir, home_len),
+                       &dirname[1], dirlen);
+
+              if (__glibc_unlikely (malloc_dirname))
+                free (dirname);
+
+              dirname = newp;
+              dirlen += home_len - 1;
+              malloc_dirname = !use_alloca;
+            }
+          dirname_modified = 1;
+        }
+# if !defined _AMIGA && !defined WINDOWS32
+      else
+        {
+          char *end_name = strchr (dirname, '/');
+          char *user_name;
+          int malloc_user_name = 0;
+          char *unescape = NULL;
+
+          if (!(flags & GLOB_NOESCAPE))
+            {
+              if (end_name == NULL)
+                {
+                  unescape = strchr (dirname, '\\');
+                  if (unescape)
+                    end_name = strchr (unescape, '\0');
+                }
+              else
+                unescape = memchr (dirname, '\\', end_name - dirname);
+            }
+          if (end_name == NULL)
+            user_name = dirname + 1;
+          else
+            {
+              char *newp;
+              if (glob_use_alloca (alloca_used, end_name - dirname))
+                newp = alloca_account (end_name - dirname, alloca_used);
+              else
+                {
+                  newp = malloc (end_name - dirname);
+                  if (newp == NULL)
+                    {
+                      retval = GLOB_NOSPACE;
+                      goto out;
+                    }
+                  malloc_user_name = 1;
+                }
+              if (unescape != NULL)
+                {
+                  char *p = mempcpy (newp, dirname + 1,
+                                     unescape - dirname - 1);
+                  char *q = unescape;
+                  while (*q != '\0')
+                    {
+                      if (*q == '\\')
+                        {
+                          if (q[1] == '\0')
+                            {
+                              /* "~fo\\o\\" unescape to user_name "foo\\",
+                                 but "~fo\\o\\/" unescape to user_name
+                                 "foo".  */
+                              if (filename == NULL)
+                                *p++ = '\\';
+                              break;
+                            }
+                          ++q;
+                        }
+                      *p++ = *q++;
+                    }
+                  *p = '\0';
+                }
+              else
+                *((char *) mempcpy (newp, dirname + 1, end_name - dirname))
+                  = '\0';
+              user_name = newp;
+            }
+
+          /* Look up specific user's home directory.  */
+          {
+            struct passwd *p;
+#  if defined HAVE_GETPWNAM_R || defined _LIBC
+            long int buflenmax = GETPW_R_SIZE_MAX ();
+            size_t buflen = buflenmax;
+            char *pwtmpbuf;
+            char *malloc_pwtmpbuf = NULL;
+            struct passwd pwbuf;
+            int save = errno;
+
+#   ifndef _LIBC
+            if (! (0 <= buflenmax && buflenmax <= SIZE_MAX))
+              /* Perhaps 'sysconf' does not support _SC_GETPW_R_SIZE_MAX.  Try a
+                 moderate value.  */
+              buflen = 1024;
+#   endif
+            if (glob_use_alloca (alloca_used, buflen))
+              pwtmpbuf = alloca_account (buflen, alloca_used);
+            else
+              {
+                pwtmpbuf = malloc (buflen);
+                if (pwtmpbuf == NULL)
+                  {
+                  nomem_getpw:
+                    if (__glibc_unlikely (malloc_user_name))
+                      free (user_name);
+                    retval = GLOB_NOSPACE;
+                    goto out;
+                  }
+                malloc_pwtmpbuf = pwtmpbuf;
+              }
+
+            while (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) != 0)
+              {
+                size_t newlen;
+                bool v;
+                if (errno != ERANGE)
+                  {
+                    p = NULL;
+                    break;
+                  }
+                v = size_add_wrapv (buflen, buflen, &newlen);
+                if (!v && malloc_pwtmpbuf == NULL
+                    && glob_use_alloca (alloca_used, newlen))
+                  pwtmpbuf = extend_alloca_account (pwtmpbuf, buflen,
+                                                    newlen, alloca_used);
+                else
+                  {
+                    char *newp = v ? NULL : realloc (malloc_pwtmpbuf, newlen);
+                    if (newp == NULL)
+                      {
+                        free (malloc_pwtmpbuf);
+                        goto nomem_getpw;
+                      }
+                    malloc_pwtmpbuf = pwtmpbuf = newp;
+                  }
+                __set_errno (save);
+              }
+#  else
+            p = getpwnam (user_name);
+#  endif
+
+            if (__glibc_unlikely (malloc_user_name))
+              free (user_name);
+
+            /* If we found a home directory use this.  */
+            if (p != NULL)
+              {
+                size_t home_len = strlen (p->pw_dir);
+                size_t rest_len = end_name == NULL ? 0 : strlen (end_name);
+
+                if (__glibc_unlikely (malloc_dirname))
+                  free (dirname);
+                malloc_dirname = 0;
+
+                if (glob_use_alloca (alloca_used, home_len + rest_len + 1))
+                  dirname = alloca_account (home_len + rest_len + 1,
+                                            alloca_used);
+                else
+                  {
+                    dirname = malloc (home_len + rest_len + 1);
+                    if (dirname == NULL)
+                      {
+                        free (malloc_pwtmpbuf);
+                        retval = GLOB_NOSPACE;
+                        goto out;
+                      }
+                    malloc_dirname = 1;
+                  }
+                *((char *) mempcpy (mempcpy (dirname, p->pw_dir, home_len),
+                                    end_name, rest_len)) = '\0';
+
+                dirlen = home_len + rest_len;
+                dirname_modified = 1;
+
+                free (malloc_pwtmpbuf);
+              }
+            else
+              {
+                free (malloc_pwtmpbuf);
+
+                if (flags & GLOB_TILDE_CHECK)
+                  /* We have to regard it as an error if we cannot find the
+                     home directory.  */
+                  return GLOB_NOMATCH;
+              }
+          }
+        }
+# endif /* Not Amiga && not WINDOWS32.  */
+    }
+
+  /* Now test whether we looked for "~" or "~NAME".  In this case we
+     can give the answer now.  */
+  if (filename == NULL)
+    {
+      struct stat st;
+      struct_stat64 st64;
+
+      /* Return the directory if we don't check for error or if it exists.  */
+      if ((flags & GLOB_NOCHECK)
+          || (((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0))
+               ? ((*pglob->gl_stat) (dirname, &st) == 0
+                  && S_ISDIR (st.st_mode))
+               : (__stat64 (dirname, &st64) == 0 && S_ISDIR (st64.st_mode)))))
+        {
+          size_t newcount = pglob->gl_pathc + pglob->gl_offs;
+          char **new_gl_pathv;
+
+          if (newcount > SIZE_MAX / sizeof (char *) - 2)
+            {
+            nospace:
+              free (pglob->gl_pathv);
+              pglob->gl_pathv = NULL;
+              pglob->gl_pathc = 0;
+              return GLOB_NOSPACE;
+            }
+
+          new_gl_pathv = realloc (pglob->gl_pathv,
+                                  (newcount + 2) * sizeof (char *));
+          if (new_gl_pathv == NULL)
+            goto nospace;
+          pglob->gl_pathv = new_gl_pathv;
+
+          if (flags & GLOB_MARK)
+            {
+              char *p;
+              pglob->gl_pathv[newcount] = malloc (dirlen + 2);
+              if (pglob->gl_pathv[newcount] == NULL)
+                goto nospace;
+              p = mempcpy (pglob->gl_pathv[newcount], dirname, dirlen);
+              p[0] = '/';
+              p[1] = '\0';
+            }
+          else
+            {
+              pglob->gl_pathv[newcount] = strdup (dirname);
+              if (pglob->gl_pathv[newcount] == NULL)
+                goto nospace;
+            }
+          pglob->gl_pathv[++newcount] = NULL;
+          ++pglob->gl_pathc;
+          pglob->gl_flags = flags;
+
+          return 0;
+        }
+
+      /* Not found.  */
+      return GLOB_NOMATCH;
+    }
+
+  meta = __glob_pattern_type (dirname, !(flags & GLOB_NOESCAPE));
+  /* meta is 1 if correct glob pattern containing metacharacters.
+     If meta has bit (1 << 2) set, it means there was an unterminated
+     [ which we handle the same, using fnmatch.  Broken unterminated
+     pattern bracket expressions ought to be rare enough that it is
+     not worth special casing them, fnmatch will do the right thing.  */
+  if (meta & 5)
+    {
+      /* The directory name contains metacharacters, so we
+         have to glob for the directory, and then glob for
+         the pattern in each directory found.  */
+      size_t i;
+
+      if (!(flags & GLOB_NOESCAPE) && dirlen > 0 && dirname[dirlen - 1] == '\\')
+        {
+          /* "foo\\/bar".  Remove the final backslash from dirname
+             if it has not been quoted.  */
+          char *p = (char *) &dirname[dirlen - 1];
+
+          while (p > dirname && p[-1] == '\\') --p;
+          if ((&dirname[dirlen] - p) & 1)
+            *(char *) &dirname[--dirlen] = '\0';
+        }
+
+      if (__glibc_unlikely ((flags & GLOB_ALTDIRFUNC) != 0))
+        {
+          /* Use the alternative access functions also in the recursive
+             call.  */
+          dirs.gl_opendir = pglob->gl_opendir;
+          dirs.gl_readdir = pglob->gl_readdir;
+          dirs.gl_closedir = pglob->gl_closedir;
+          dirs.gl_stat = pglob->gl_stat;
+          dirs.gl_lstat = pglob->gl_lstat;
+        }
+
+      status = glob (dirname,
+                     ((flags & (GLOB_ERR | GLOB_NOESCAPE
+                                | GLOB_ALTDIRFUNC))
+                      | GLOB_NOSORT | GLOB_ONLYDIR),
+                     errfunc, &dirs);
+      if (status != 0)
+        {
+          if ((flags & GLOB_NOCHECK) == 0 || status != GLOB_NOMATCH)
+            return status;
+          goto no_matches;
+        }
+
+      /* We have successfully globbed the preceding directory name.
+         For each name we found, call glob_in_dir on it and FILENAME,
+         appending the results to PGLOB.  */
+      for (i = 0; i < dirs.gl_pathc; ++i)
+        {
+          size_t old_pathc;
+
+#ifdef SHELL
+          {
+            /* Make globbing interruptible in the bash shell. */
+            extern int interrupt_state;
+
+            if (interrupt_state)
+              {
+                globfree (&dirs);
+                return GLOB_ABORTED;
+              }
+          }
+#endif /* SHELL.  */
+
+          old_pathc = pglob->gl_pathc;
+          status = glob_in_dir (filename, dirs.gl_pathv[i],
+                                ((flags | GLOB_APPEND)
+                                 & ~(GLOB_NOCHECK | GLOB_NOMAGIC)),
+                                errfunc, pglob, alloca_used);
+          if (status == GLOB_NOMATCH)
+            /* No matches in this directory.  Try the next.  */
+            continue;
+
+          if (status != 0)
+            {
+              globfree (&dirs);
+              globfree (pglob);
+              pglob->gl_pathc = 0;
+              return status;
+            }
+
+          /* Stick the directory on the front of each name.  */
+          if (prefix_array (dirs.gl_pathv[i],
+                            &pglob->gl_pathv[old_pathc + pglob->gl_offs],
+                            pglob->gl_pathc - old_pathc))
+            {
+              globfree (&dirs);
+              globfree (pglob);
+              pglob->gl_pathc = 0;
+              return GLOB_NOSPACE;
+            }
+        }
+
+      flags |= GLOB_MAGCHAR;
+
+      /* We have ignored the GLOB_NOCHECK flag in the 'glob_in_dir' calls.
+         But if we have not found any matching entry and the GLOB_NOCHECK
+         flag was set we must return the input pattern itself.  */
+      if (pglob->gl_pathc + pglob->gl_offs == oldcount)
+        {
+        no_matches:
+          /* No matches.  */
+          if (flags & GLOB_NOCHECK)
+            {
+              size_t newcount = pglob->gl_pathc + pglob->gl_offs;
+              char **new_gl_pathv;
+
+              if (newcount > SIZE_MAX / sizeof (char *) - 2)
+                {
+                nospace2:
+                  globfree (&dirs);
+                  return GLOB_NOSPACE;
+                }
+
+              new_gl_pathv = realloc (pglob->gl_pathv,
+                                      (newcount + 2) * sizeof (char *));
+              if (new_gl_pathv == NULL)
+                goto nospace2;
+              pglob->gl_pathv = new_gl_pathv;
+
+              pglob->gl_pathv[newcount] = strdup (pattern);
+              if (pglob->gl_pathv[newcount] == NULL)
+                {
+                  globfree (&dirs);
+                  globfree (pglob);
+                  pglob->gl_pathc = 0;
+                  return GLOB_NOSPACE;
+                }
+
+              ++pglob->gl_pathc;
+              ++newcount;
+
+              pglob->gl_pathv[newcount] = NULL;
+              pglob->gl_flags = flags;
+            }
+          else
+            {
+              globfree (&dirs);
+              return GLOB_NOMATCH;
+            }
+        }
+
+      globfree (&dirs);
+    }
+  else
+    {
+      size_t old_pathc = pglob->gl_pathc;
+      int orig_flags = flags;
+
+      if (meta & 2)
+        {
+          char *p = strchr (dirname, '\\'), *q;
+          /* We need to unescape the dirname string.  It is certainly
+             allocated by alloca, as otherwise filename would be NULL
+             or dirname wouldn't contain backslashes.  */
+          q = p;
+          do
+            {
+              if (*p == '\\')
+                {
+                  *q = *++p;
+                  --dirlen;
+                }
+              else
+                *q = *p;
+              ++q;
+            }
+          while (*p++ != '\0');
+          dirname_modified = 1;
+        }
+      if (dirname_modified)
+        flags &= ~(GLOB_NOCHECK | GLOB_NOMAGIC);
+      status = glob_in_dir (filename, dirname, flags, errfunc, pglob,
+                            alloca_used);
+      if (status != 0)
+        {
+          if (status == GLOB_NOMATCH && flags != orig_flags
+              && pglob->gl_pathc + pglob->gl_offs == oldcount)
+            {
+              /* Make sure globfree (&dirs); is a nop.  */
+              dirs.gl_pathv = NULL;
+              flags = orig_flags;
+              goto no_matches;
+            }
+          return status;
+        }
+
+      if (dirlen > 0)
+        {
+          /* Stick the directory on the front of each name.  */
+          if (prefix_array (dirname,
+                            &pglob->gl_pathv[old_pathc + pglob->gl_offs],
+                            pglob->gl_pathc - old_pathc))
+            {
+              globfree (pglob);
+              pglob->gl_pathc = 0;
+              return GLOB_NOSPACE;
+            }
+        }
+    }
+
+  if (flags & GLOB_MARK)
+    {
+      /* Append slashes to directory names.  */
+      size_t i;
+      struct stat st;
+      struct_stat64 st64;
+
+      for (i = oldcount; i < pglob->gl_pathc + pglob->gl_offs; ++i)
+        if ((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
+             ? ((*pglob->gl_stat) (pglob->gl_pathv[i], &st) == 0
+                && S_ISDIR (st.st_mode))
+             : (__stat64 (pglob->gl_pathv[i], &st64) == 0
+                && S_ISDIR (st64.st_mode))))
+          {
+            size_t len = strlen (pglob->gl_pathv[i]) + 2;
+            char *new = realloc (pglob->gl_pathv[i], len);
+            if (new == NULL)
+              {
+                globfree (pglob);
+                pglob->gl_pathc = 0;
+                return GLOB_NOSPACE;
+              }
+            strcpy (&new[len - 2], "/");
+            pglob->gl_pathv[i] = new;
+          }
+    }
+
+  if (!(flags & GLOB_NOSORT))
+    {
+      /* Sort the vector.  */
+      qsort (&pglob->gl_pathv[oldcount],
+             pglob->gl_pathc + pglob->gl_offs - oldcount,
+             sizeof (char *), collated_compare);
+    }
+
+ out:
+  if (__glibc_unlikely (malloc_dirname))
+    free (dirname);
+
+  return retval;
+}
+#if defined _LIBC && !defined glob
+libc_hidden_def (glob)
+#endif
+
+
+#ifndef GLOB_ONLY_P
+
+/* Free storage allocated in PGLOB by a previous 'glob' call.  */
+void
+globfree (glob_t *pglob)
+{
+  if (pglob->gl_pathv != NULL)
+    {
+      size_t i;
+      for (i = 0; i < pglob->gl_pathc; ++i)
+        free (pglob->gl_pathv[pglob->gl_offs + i]);
+      free (pglob->gl_pathv);
+      pglob->gl_pathv = NULL;
+    }
+}
+#if defined _LIBC && !defined globfree
+libc_hidden_def (globfree)
+#endif
+
+
+/* Do a collated comparison of A and B.  */
+static int
+collated_compare (const void *a, const void *b)
+{
+  char *const *ps1 = a; char *s1 = *ps1;
+  char *const *ps2 = b; char *s2 = *ps2;
+
+  if (s1 == s2)
+    return 0;
+  if (s1 == NULL)
+    return 1;
+  if (s2 == NULL)
+    return -1;
+  return strcoll (s1, s2);
+}
+
+
+/* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's
+   elements in place.  Return nonzero if out of memory, zero if successful.
+   A slash is inserted between DIRNAME and each elt of ARRAY,
+   unless DIRNAME is just "/".  Each old element of ARRAY is freed.  */
+static int
+prefix_array (const char *dirname, char **array, size_t n)
+{
+  size_t i;
+  size_t dirlen = strlen (dirname);
+#if defined __MSDOS__ || defined WINDOWS32
+  int sep_char = '/';
+# define DIRSEP_CHAR sep_char
+#else
+# define DIRSEP_CHAR '/'
+#endif
+
+  if (dirlen == 1 && dirname[0] == '/')
+    /* DIRNAME is just "/", so normal prepending would get us "//foo".
+       We want "/foo" instead, so don't prepend any chars from DIRNAME.  */
+    dirlen = 0;
+#if defined __MSDOS__ || defined WINDOWS32
+  else if (dirlen > 1)
+    {
+      if (dirname[dirlen - 1] == '/' && dirname[dirlen - 2] == ':')
+        /* DIRNAME is "d:/".  Don't prepend the slash from DIRNAME.  */
+        --dirlen;
+      else if (dirname[dirlen - 1] == ':')
+        {
+          /* DIRNAME is "d:".  Use ':' instead of '/'.  */
+          --dirlen;
+          sep_char = ':';
+        }
+    }
+#endif
+
+  for (i = 0; i < n; ++i)
+    {
+      size_t eltlen = strlen (array[i]) + 1;
+      char *new = malloc (dirlen + 1 + eltlen);
+      if (new == NULL)
+        {
+          while (i > 0)
+            free (array[--i]);
+          return 1;
+        }
+
+      {
+        char *endp = mempcpy (new, dirname, dirlen);
+        *endp++ = DIRSEP_CHAR;
+        mempcpy (endp, array[i], eltlen);
+      }
+      free (array[i]);
+      array[i] = new;
+    }
+
+  return 0;
+}
+
+
+/* We must not compile this function twice.  */
+#ifndef NO_GLOB_PATTERN_P
+int
+__glob_pattern_type (const char *pattern, int quote)
+{
+  const char *p;
+  int ret = 0;
+
+  for (p = pattern; *p != '\0'; ++p)
+    switch (*p)
+      {
+      case '?':
+      case '*':
+        return 1;
+
+      case '\\':
+        if (quote)
+          {
+            if (p[1] != '\0')
+              ++p;
+            ret |= 2;
+          }
+        break;
+
+      case '[':
+        ret |= 4;
+        break;
+
+      case ']':
+        if (ret & 4)
+          return 1;
+        break;
+      }
+
+  return ret;
+}
+
+/* Return nonzero if PATTERN contains any metacharacters.
+   Metacharacters can be quoted with backslashes if QUOTE is nonzero.  */
+int
+__glob_pattern_p (const char *pattern, int quote)
+{
+  return __glob_pattern_type (pattern, quote) == 1;
+}
+# ifdef _LIBC
+weak_alias (__glob_pattern_p, glob_pattern_p)
+# endif
+#endif
+
+
+/* We put this in a separate function mainly to allow the memory
+   allocated with alloca to be recycled.  */
+static int
+__attribute_noinline__
+link_exists2_p (const char *dir, size_t dirlen, const char *fname,
+               glob_t *pglob
+# if !defined _LIBC && !HAVE_FSTATAT
+                , int flags
+# endif
+                )
+{
+  size_t fnamelen = strlen (fname);
+  char *fullname = __alloca (dirlen + 1 + fnamelen + 1);
+  struct stat st;
+
+  mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1),
+           fname, fnamelen + 1);
+
+# if !defined _LIBC && !HAVE_FSTATAT
+  if (__builtin_expect ((flags & GLOB_ALTDIRFUNC) == 0, 1))
+    {
+      struct_stat64 st64;
+      return __stat64 (fullname, &st64) == 0;
+    }
+# endif
+  return (*pglob->gl_stat) (fullname, &st) == 0;
+}
+
+/* Return true if DIR/FNAME exists.  */
+static int
+link_exists_p (int dfd, const char *dir, size_t dirlen, const char *fname,
+               glob_t *pglob, int flags)
+{
+# if defined _LIBC || HAVE_FSTATAT
+  if (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0))
+    return link_exists2_p (dir, dirlen, fname, pglob);
+  else
+    {
+      /* dfd cannot be -1 here, because dirfd never returns -1 on
+         glibc, or on hosts that have fstatat.  */
+      struct_stat64 st64;
+      return __fxstatat64 (_STAT_VER, dfd, fname, &st64, 0) == 0;
+    }
+# else
+  return link_exists2_p (dir, dirlen, fname, pglob, flags);
+# endif
+}
+#endif /* !defined GLOB_ONLY_P */
+
+
+/* Like 'glob', but PATTERN is a final pathname component,
+   and matches are searched for in DIRECTORY.
+   The GLOB_NOSORT bit in FLAGS is ignored.  No sorting is ever done.
+   The GLOB_APPEND flag is assumed to be set (always appends).  */
+static int
+glob_in_dir (const char *pattern, const char *directory, int flags,
+             int (*errfunc) (const char *, int),
+             glob_t *pglob, size_t alloca_used)
+{
+  size_t dirlen = strlen (directory);
+  void *stream = NULL;
+  struct globnames
+    {
+      struct globnames *next;
+      size_t count;
+      char *name[64];
+    };
+  struct globnames init_names;
+  struct globnames *names = &init_names;
+  struct globnames *names_alloca = &init_names;
+  size_t nfound = 0;
+  size_t cur = 0;
+  int meta;
+  int save;
+  int result;
+
+  alloca_used += sizeof (init_names);
+
+  init_names.next = NULL;
+  init_names.count = sizeof init_names.name / sizeof init_names.name[0];
+
+  meta = __glob_pattern_type (pattern, !(flags & GLOB_NOESCAPE));
+  if (meta == 0 && (flags & (GLOB_NOCHECK|GLOB_NOMAGIC)))
+    {
+      /* We need not do any tests.  The PATTERN contains no meta
+         characters and we must not return an error therefore the
+         result will always contain exactly one name.  */
+      flags |= GLOB_NOCHECK;
+    }
+  else if (meta == 0)
+    {
+      /* Since we use the normal file functions we can also use stat()
+         to verify the file is there.  */
+      union
+      {
+        struct stat st;
+        struct_stat64 st64;
+      } ust;
+      size_t patlen = strlen (pattern);
+      size_t fullsize;
+      bool alloca_fullname
+        = (! size_add_wrapv (dirlen + 1, patlen + 1, &fullsize)
+           && glob_use_alloca (alloca_used, fullsize));
+      char *fullname;
+      if (alloca_fullname)
+        fullname = alloca_account (fullsize, alloca_used);
+      else
+        {
+          fullname = malloc (fullsize);
+          if (fullname == NULL)
+            return GLOB_NOSPACE;
+        }
+
+      mempcpy (mempcpy (mempcpy (fullname, directory, dirlen),
+                        "/", 1),
+               pattern, patlen + 1);
+      if ((__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
+           ? (*pglob->gl_stat) (fullname, &ust.st)
+           : __stat64 (fullname, &ust.st64)) == 0)
+        /* We found this file to be existing.  Now tell the rest
+           of the function to copy this name into the result.  */
+        flags |= GLOB_NOCHECK;
+
+      if (__glibc_unlikely (!alloca_fullname))
+        free (fullname);
+    }
+  else
+    {
+      stream = (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
+                ? (*pglob->gl_opendir) (directory)
+                : opendir (directory));
+      if (stream == NULL)
+        {
+          if (errno != ENOTDIR
+              && ((errfunc != NULL && (*errfunc) (directory, errno))
+                  || (flags & GLOB_ERR)))
+            return GLOB_ABORTED;
+        }
+      else
+        {
+          int dfd = (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0)
+                     ? -1 : dirfd ((DIR *) stream));
+          int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0)
+                           | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
+#if defined _AMIGA || defined VMS
+                           | FNM_CASEFOLD
+#endif
+                           );
+          flags |= GLOB_MAGCHAR;
+
+          while (1)
+            {
+              struct readdir_result d;
+              {
+                if (__builtin_expect (flags & GLOB_ALTDIRFUNC, 0))
+                  d = convert_dirent (GL_READDIR (pglob, stream));
+                else
+                  {
+#ifdef COMPILE_GLOB64
+                    d = convert_dirent (__readdir (stream));
+#else
+                    d = convert_dirent64 (__readdir64 (stream));
+#endif
+                  }
+              }
+              if (d.name == NULL)
+                break;
+              if (d.skip_entry)
+                continue;
+
+              /* If we shall match only directories use the information
+                 provided by the dirent call if possible.  */
+              if ((flags & GLOB_ONLYDIR) && !readdir_result_might_be_dir (d))
+                continue;
+
+              if (fnmatch (pattern, d.name, fnm_flags) == 0)
+                {
+                  /* If the file we found is a symlink we have to
+                     make sure the target file exists.  */
+                  if (!readdir_result_might_be_symlink (d)
+                      || link_exists_p (dfd, directory, dirlen, d.name,
+                                        pglob, flags))
+                    {
+                      if (cur == names->count)
+                        {
+                          struct globnames *newnames;
+                          size_t count = names->count * 2;
+                          size_t nameoff = offsetof (struct globnames, name);
+                          size_t size = FLEXSIZEOF (struct globnames, name,
+                                                    count * sizeof (char *));
+                          if ((SIZE_MAX - nameoff) / 2 / sizeof (char *)
+                              < names->count)
+                            goto memory_error;
+                          if (glob_use_alloca (alloca_used, size))
+                            newnames = names_alloca
+                              = alloca_account (size, alloca_used);
+                          else if ((newnames = malloc (size))
+                                   == NULL)
+                            goto memory_error;
+                          newnames->count = count;
+                          newnames->next = names;
+                          names = newnames;
+                          cur = 0;
+                        }
+                      names->name[cur] = strdup (d.name);
+                      if (names->name[cur] == NULL)
+                        goto memory_error;
+                      ++cur;
+                      ++nfound;
+                      if (SIZE_MAX - pglob->gl_offs <= nfound)
+                        goto memory_error;
+                    }
+                }
+            }
+        }
+    }
+
+  if (nfound == 0 && (flags & GLOB_NOCHECK))
+    {
+      size_t len = strlen (pattern);
+      nfound = 1;
+      names->name[cur] = malloc (len + 1);
+      if (names->name[cur] == NULL)
+        goto memory_error;
+      *((char *) mempcpy (names->name[cur++], pattern, len)) = '\0';
+    }
+
+  result = GLOB_NOMATCH;
+  if (nfound != 0)
+    {
+      char **new_gl_pathv;
+      result = 0;
+
+      if (SIZE_MAX / sizeof (char *) - pglob->gl_pathc
+          < pglob->gl_offs + nfound + 1)
+        goto memory_error;
+
+      new_gl_pathv
+        = realloc (pglob->gl_pathv,
+                   (pglob->gl_pathc + pglob->gl_offs + nfound + 1)
+                   * sizeof (char *));
+
+      if (new_gl_pathv == NULL)
+        {
+        memory_error:
+          while (1)
+            {
+              struct globnames *old = names;
+              size_t i;
+              for (i = 0; i < cur; ++i)
+                free (names->name[i]);
+              names = names->next;
+              /* NB: we will not leak memory here if we exit without
+                 freeing the current block assigned to OLD.  At least
+                 the very first block is always allocated on the stack
+                 and this is the block assigned to OLD here.  */
+              if (names == NULL)
+                {
+                  assert (old == &init_names);
+                  break;
+                }
+              cur = names->count;
+              if (old == names_alloca)
+                names_alloca = names;
+              else
+                free (old);
+            }
+          result = GLOB_NOSPACE;
+        }
+      else
+        {
+          while (1)
+            {
+              struct globnames *old = names;
+              size_t i;
+              for (i = 0; i < cur; ++i)
+                new_gl_pathv[pglob->gl_offs + pglob->gl_pathc++]
+                  = names->name[i];
+              names = names->next;
+              /* NB: we will not leak memory here if we exit without
+                 freeing the current block assigned to OLD.  At least
+                 the very first block is always allocated on the stack
+                 and this is the block assigned to OLD here.  */
+              if (names == NULL)
+                {
+                  assert (old == &init_names);
+                  break;
+                }
+              cur = names->count;
+              if (old == names_alloca)
+                names_alloca = names;
+              else
+                free (old);
+            }
+
+          pglob->gl_pathv = new_gl_pathv;
+
+          pglob->gl_pathv[pglob->gl_offs + pglob->gl_pathc] = NULL;
+
+          pglob->gl_flags = flags;
+        }
+    }
+
+  if (stream != NULL)
+    {
+      save = errno;
+      if (__glibc_unlikely (flags & GLOB_ALTDIRFUNC))
+        (*pglob->gl_closedir) (stream);
+      else
+        closedir (stream);
+      __set_errno (save);
+    }
+
+  return result;
+}
diff --git a/gdb/gnulib/import/glob.in.h b/gdb/gnulib/import/glob.in.h
new file mode 100644
index 0000000000..77816bc099
--- /dev/null
+++ b/gdb/gnulib/import/glob.in.h
@@ -0,0 +1,93 @@
+/* glob.h -- Find a path matching a pattern.
+
+   Copyright (C) 2005-2007, 2009-2016 Free Software Foundation, Inc.
+
+   Written by Derek Price <derek@ximbiot.com> & Paul Eggert <eggert@CS.UCLA.EDU>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef _GL_GLOB_H
+#define _GL_GLOB_H
+
+#if @HAVE_SYS_CDEFS_H@
+# include <sys/cdefs.h>
+#endif
+
+#include <stddef.h>
+
+/* On some systems, such as AIX 5.1, <sys/stat.h> does a "#define stat stat64".
+   Make sure this definition is seen before glob-libc.h defines types that
+   rely on 'struct stat'.  */
+#include <sys/stat.h>
+
+#ifndef __BEGIN_DECLS
+# ifdef __cplusplus
+#  define __BEGIN_DECLS  extern "C" {
+#  define __END_DECLS    }
+# else
+#  define __BEGIN_DECLS
+#  define __END_DECLS
+# endif
+#endif
+#ifndef __THROW
+# define __THROW
+#endif
+#ifndef __THROWNL
+# define __THROWNL
+#endif
+
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
+
+/* The definition of _GL_ARG_NONNULL is copied here.  */
+
+/* The definition of _GL_WARN_ON_USE is copied here.  */
+
+#ifndef __size_t
+# define __size_t       size_t
+#endif
+#ifndef __USE_GNU
+# define __USE_GNU    1
+#endif
+
+
+#define glob rpl_glob
+#define globfree rpl_globfree
+#define glob_pattern_p rpl_glob_pattern_p
+
+#define __GLOB_GNULIB 1
+
+/* Now the standard GNU C Library header should work.  */
+#include "glob-libc.h"
+
+__BEGIN_DECLS
+typedef int (*_gl_glob_errfunc_fn) (const char *, int);
+__END_DECLS
+
+#if defined __cplusplus && defined GNULIB_NAMESPACE
+# undef glob
+# undef globfree
+# undef glob_pattern_p
+_GL_CXXALIAS_RPL (glob, int, (const char *_Restrict_ __pattern, int __flags,
+                              _gl_glob_errfunc_fn __errfunc,
+                              glob_t *_Restrict_ __pglob));
+_GL_CXXALIAS_RPL (globfree, void, (glob_t *__pglob));
+_GL_CXXALIAS_RPL (glob_pattern_p, int, (const char *__pattern, int __quote));
+# if 0  /* The C function name is rpl_glob, not glob.  */
+_GL_CXXALIASWARN (glob);
+_GL_CXXALIASWARN (globfree);
+_GL_CXXALIASWARN (glob_pattern_p);
+# endif
+#endif
+
+#endif /* _GL_GLOB_H */
diff --git a/gdb/gnulib/import/m4/closedir.m4 b/gdb/gnulib/import/m4/closedir.m4
new file mode 100644
index 0000000000..0c9fd82de2
--- /dev/null
+++ b/gdb/gnulib/import/m4/closedir.m4
@@ -0,0 +1,30 @@
+# closedir.m4 serial 5
+dnl Copyright (C) 2011-2016 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_CLOSEDIR],
+[
+  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+
+  AC_CHECK_FUNCS([closedir])
+  if test $ac_cv_func_closedir = no; then
+    HAVE_CLOSEDIR=0
+  fi
+  dnl Replace closedir() for supporting the gnulib-defined fchdir() function,
+  dnl to keep fchdir's bookkeeping up-to-date.
+  m4_ifdef([gl_FUNC_FCHDIR], [
+    gl_TEST_FCHDIR
+    if test $HAVE_FCHDIR = 0; then
+      if test $HAVE_CLOSEDIR = 1; then
+        REPLACE_CLOSEDIR=1
+      fi
+    fi
+  ])
+  dnl Replace closedir() for supporting the gnulib-defined dirfd() function.
+  case $host_os,$HAVE_CLOSEDIR in
+    os2*,1)
+      REPLACE_CLOSEDIR=1;;
+  esac
+])
diff --git a/gdb/gnulib/import/m4/d-type.m4 b/gdb/gnulib/import/m4/d-type.m4
new file mode 100644
index 0000000000..eda762c47f
--- /dev/null
+++ b/gdb/gnulib/import/m4/d-type.m4
@@ -0,0 +1,32 @@
+# serial 11
+
+dnl From Jim Meyering.
+dnl
+dnl Check whether struct dirent has a member named d_type.
+dnl
+
+# Copyright (C) 1997, 1999-2004, 2006, 2009-2016 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE],
+  [AC_CACHE_CHECK([for d_type member in directory struct],
+                  gl_cv_struct_dirent_d_type,
+     [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <dirent.h>
+         ]],
+         [[struct dirent dp; dp.d_type = 0;]])],
+       [gl_cv_struct_dirent_d_type=yes],
+       [gl_cv_struct_dirent_d_type=no])
+     ]
+   )
+   if test $gl_cv_struct_dirent_d_type = yes; then
+     AC_DEFINE([HAVE_STRUCT_DIRENT_D_TYPE], [1],
+       [Define if there is a member named d_type in the struct describing
+        directory headers.])
+   fi
+  ]
+)
diff --git a/gdb/gnulib/import/m4/getlogin_r.m4 b/gdb/gnulib/import/m4/getlogin_r.m4
new file mode 100644
index 0000000000..80f82f4f92
--- /dev/null
+++ b/gdb/gnulib/import/m4/getlogin_r.m4
@@ -0,0 +1,88 @@
+#serial 11
+
+# Copyright (C) 2005-2007, 2009-2016 Free Software Foundation, Inc.
+#
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+dnl From Derek Price
+dnl
+dnl Provide getlogin_r when the system lacks it.
+dnl
+
+AC_DEFUN([gl_FUNC_GETLOGIN_R],
+[
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+
+  dnl Persuade glibc <unistd.h> to declare getlogin_r().
+  dnl Persuade Solaris <unistd.h> to provide the POSIX compliant declaration of
+  dnl getlogin_r().
+  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+  AC_CHECK_DECLS_ONCE([getlogin_r])
+  if test $ac_cv_have_decl_getlogin_r = no; then
+    HAVE_DECL_GETLOGIN_R=0
+  fi
+
+  AC_CHECK_FUNCS_ONCE([getlogin_r])
+  if test $ac_cv_func_getlogin_r = no; then
+    HAVE_GETLOGIN_R=0
+  else
+    HAVE_GETLOGIN_R=1
+    dnl On OSF/1 5.1, getlogin_r returns a truncated result if the buffer is
+    dnl not large enough.
+    AC_REQUIRE([AC_CANONICAL_HOST])
+    AC_CACHE_CHECK([whether getlogin_r works with small buffers],
+      [gl_cv_func_getlogin_r_works],
+      [
+        dnl Initial guess, used when cross-compiling.
+changequote(,)dnl
+        case "$host_os" in
+                # Guess no on OSF/1.
+          osf*) gl_cv_func_getlogin_r_works="guessing no" ;;
+                # Guess yes otherwise.
+          *)    gl_cv_func_getlogin_r_works="guessing yes" ;;
+        esac
+changequote([,])dnl
+        AC_RUN_IFELSE(
+          [AC_LANG_SOURCE([[
+#include <stddef.h>
+#include <unistd.h>
+#if !HAVE_DECL_GETLOGIN_R
+extern
+# ifdef __cplusplus
+"C"
+# endif
+int getlogin_r (char *, size_t);
+#endif
+int
+main (void)
+{
+  int result = 0;
+  char buf[100];
+
+  if (getlogin_r (buf, 0) == 0)
+    result |= 16;
+  if (getlogin_r (buf, 1) == 0)
+    result |= 17;
+  return result;
+}]])],
+          [gl_cv_func_getlogin_r_works=yes],
+          [case $? in
+             16 | 17) gl_cv_func_getlogin_r_works=no ;;
+           esac
+          ],
+          [:])
+      ])
+    case "$gl_cv_func_getlogin_r_works" in
+      *yes) ;;
+      *) REPLACE_GETLOGIN_R=1 ;;
+    esac
+  fi
+])
+
+AC_DEFUN([gl_PREREQ_GETLOGIN_R],
+[
+  AC_CHECK_DECLS_ONCE([getlogin])
+])
diff --git a/gdb/gnulib/import/m4/glob.m4 b/gdb/gnulib/import/m4/glob.m4
new file mode 100644
index 0000000000..adf5fe2865
--- /dev/null
+++ b/gdb/gnulib/import/m4/glob.m4
@@ -0,0 +1,76 @@
+# glob.m4 serial 14
+dnl Copyright (C) 2005-2007, 2009-2016 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# The glob module assumes you want GNU glob, with glob_pattern_p etc,
+# rather than vanilla POSIX glob.  This means your code should
+# always include <glob.h> for the glob prototypes.
+
+AC_DEFUN([gl_GLOB],
+[ GLOB_H=
+  AC_CHECK_HEADERS([glob.h], [], [GLOB_H=glob.h])
+
+  if test -z "$GLOB_H"; then
+    AC_CACHE_CHECK([for GNU glob interface version 1],
+      [gl_cv_gnu_glob_interface_version_1],
+[     AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+[[#include <gnu-versions.h>
+char a[_GNU_GLOB_INTERFACE_VERSION == 1 ? 1 : -1];]])],
+        [gl_cv_gnu_glob_interface_version_1=yes],
+        [gl_cv_gnu_glob_interface_version_1=no])])
+
+    if test "$gl_cv_gnu_glob_interface_version_1" = "no"; then
+      GLOB_H=glob.h
+    fi
+  fi
+
+  if test -z "$GLOB_H"; then
+    AC_CACHE_CHECK([whether glob lists broken symlinks],
+                   [gl_cv_glob_lists_symlinks],
+[     if ln -s conf-doesntexist conf$$-globtest 2>/dev/null; then
+        gl_cv_glob_lists_symlinks=maybe
+      else
+        # If we can't make a symlink, then we cannot test this issue.  Be
+        # pessimistic about this.
+        gl_cv_glob_lists_symlinks=no
+      fi
+
+      if test $gl_cv_glob_lists_symlinks = maybe; then
+        AC_RUN_IFELSE([
+AC_LANG_PROGRAM(
+[[#include <stddef.h>
+#include <glob.h>]],
+[[glob_t found;
+if (glob ("conf*-globtest", 0, NULL, &found) == GLOB_NOMATCH) return 1;]])],
+          [gl_cv_glob_lists_symlinks=yes],
+          [gl_cv_glob_lists_symlinks=no], [gl_cv_glob_lists_symlinks=no])
+      fi])
+
+    if test $gl_cv_glob_lists_symlinks = no; then
+      GLOB_H=glob.h
+    fi
+  fi
+
+  rm -f conf$$-globtest
+
+  AC_SUBST([GLOB_H])
+  AM_CONDITIONAL([GL_GENERATE_GLOB_H], [test -n "$GLOB_H"])
+])
+
+# Prerequisites of lib/glob.*.
+AC_DEFUN([gl_PREREQ_GLOB],
+[
+  AC_REQUIRE([gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE])dnl
+  AC_REQUIRE([AC_C_RESTRICT])dnl
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])dnl
+  AC_CHECK_HEADERS_ONCE([sys/cdefs.h unistd.h])dnl
+  if test $ac_cv_header_sys_cdefs_h = yes; then
+    HAVE_SYS_CDEFS_H=1
+  else
+    HAVE_SYS_CDEFS_H=0
+  fi
+  AC_SUBST([HAVE_SYS_CDEFS_H])
+  AC_CHECK_FUNCS_ONCE([fstatat getlogin_r getpwnam_r])dnl
+])
diff --git a/gdb/gnulib/import/m4/gnulib-cache.m4 b/gdb/gnulib/import/m4/gnulib-cache.m4
index c4ebb73bfb..b1e6430882 100644
--- a/gdb/gnulib/import/m4/gnulib-cache.m4
+++ b/gdb/gnulib/import/m4/gnulib-cache.m4
@@ -27,7 +27,7 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl inttypes limits-h lstat memchr memmem pathmax rawmemchr readlink rename setenv signal-h strchrnul strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
+#   gnulib-tool --import --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca canonicalize-lgpl dirent dirfd errno fnmatch-gnu frexpl glob inttypes limits-h lstat memchr memmem pathmax rawmemchr readlink rename setenv signal-h strchrnul strstr strtok_r sys_stat unistd unsetenv update-copyright wchar wctype-h
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([])
@@ -39,6 +39,7 @@ gl_MODULES([
   errno
   fnmatch-gnu
   frexpl
+  glob
   inttypes
   limits-h
   lstat
diff --git a/gdb/gnulib/import/m4/gnulib-comp.m4 b/gdb/gnulib/import/m4/gnulib-comp.m4
index 5a3656713d..7f69c95145 100644
--- a/gdb/gnulib/import/m4/gnulib-comp.m4
+++ b/gdb/gnulib/import/m4/gnulib-comp.m4
@@ -47,7 +47,9 @@ AC_DEFUN([gl_EARLY],
   # Code from module alloca-opt:
   # Code from module canonicalize-lgpl:
   # Code from module chdir:
+  # Code from module closedir:
   # Code from module configmake:
+  # Code from module d-type:
   # Code from module dirent:
   # Code from module dirfd:
   # Code from module dirname-lgpl:
@@ -57,6 +59,7 @@ AC_DEFUN([gl_EARLY],
   # Code from module errno:
   # Code from module extensions:
   # Code from module extern-inline:
+  # Code from module filename:
   # Code from module flexmember:
   # Code from module float:
   # Code from module fnmatch:
@@ -66,7 +69,9 @@ AC_DEFUN([gl_EARLY],
   # Code from module fpucw:
   # Code from module frexp:
   # Code from module frexpl:
+  # Code from module getlogin_r:
   # Code from module gettimeofday:
+  # Code from module glob:
   # Code from module hard-locale:
   # Code from module include_next:
   # Code from module inttypes:
@@ -87,10 +92,13 @@ AC_DEFUN([gl_EARLY],
   # Code from module memchr:
   # Code from module memmem:
   # Code from module memmem-simple:
+  # Code from module mempcpy:
   # Code from module multiarch:
   # Code from module nocrash:
+  # Code from module opendir:
   # Code from module pathmax:
   # Code from module rawmemchr:
+  # Code from module readdir:
   # Code from module readlink:
   # Code from module rename:
   # Code from module rmdir:
@@ -152,7 +160,13 @@ AC_DEFUN([gl_INIT],
   gl_STDLIB_MODULE_INDICATOR([canonicalize_file_name])
   gl_STDLIB_MODULE_INDICATOR([realpath])
   gl_UNISTD_MODULE_INDICATOR([chdir])
+  gl_FUNC_CLOSEDIR
+  if test $HAVE_CLOSEDIR = 0 || test $REPLACE_CLOSEDIR = 1; then
+    AC_LIBOBJ([closedir])
+  fi
+  gl_DIRENT_MODULE_INDICATOR([closedir])
   gl_CONFIGMAKE_PREP
+  gl_CHECK_TYPE_STRUCT_DIRENT_D_TYPE
   gl_DIRENT_H
   gl_FUNC_DIRFD
   if test $ac_cv_func_dirfd = no && test $gl_cv_func_dirfd_macro = no \
@@ -195,12 +209,23 @@ AC_DEFUN([gl_INIT],
     AC_LIBOBJ([frexpl])
   fi
   gl_MATH_MODULE_INDICATOR([frexpl])
+  gl_FUNC_GETLOGIN_R
+  if test $HAVE_GETLOGIN_R = 0 || test $REPLACE_GETLOGIN_R = 1; then
+    AC_LIBOBJ([getlogin_r])
+    gl_PREREQ_GETLOGIN_R
+  fi
+  gl_UNISTD_MODULE_INDICATOR([getlogin_r])
   gl_FUNC_GETTIMEOFDAY
   if test $HAVE_GETTIMEOFDAY = 0 || test $REPLACE_GETTIMEOFDAY = 1; then
     AC_LIBOBJ([gettimeofday])
     gl_PREREQ_GETTIMEOFDAY
   fi
   gl_SYS_TIME_MODULE_INDICATOR([gettimeofday])
+  gl_GLOB
+  if test -n "$GLOB_H"; then
+    AC_LIBOBJ([glob])
+    gl_PREREQ_GLOB
+  fi
   gl_HARD_LOCALE
   gl_INTTYPES_H
   gl_INTTYPES_INCOMPLETE
@@ -266,7 +291,18 @@ AC_DEFUN([gl_INIT],
     AC_LIBOBJ([memmem])
   fi
   gl_STRING_MODULE_INDICATOR([memmem])
+  gl_FUNC_MEMPCPY
+  if test $HAVE_MEMPCPY = 0; then
+    AC_LIBOBJ([mempcpy])
+    gl_PREREQ_MEMPCPY
+  fi
+  gl_STRING_MODULE_INDICATOR([mempcpy])
   gl_MULTIARCH
+  gl_FUNC_OPENDIR
+  if test $HAVE_OPENDIR = 0 || test $REPLACE_OPENDIR = 1; then
+    AC_LIBOBJ([opendir])
+  fi
+  gl_DIRENT_MODULE_INDICATOR([opendir])
   gl_PATHMAX
   gl_FUNC_RAWMEMCHR
   if test $HAVE_RAWMEMCHR = 0; then
@@ -274,6 +310,11 @@ AC_DEFUN([gl_INIT],
     gl_PREREQ_RAWMEMCHR
   fi
   gl_STRING_MODULE_INDICATOR([rawmemchr])
+  gl_FUNC_READDIR
+  if test $HAVE_READDIR = 0; then
+    AC_LIBOBJ([readdir])
+  fi
+  gl_DIRENT_MODULE_INDICATOR([readdir])
   gl_FUNC_READLINK
   if test $HAVE_READLINK = 0 || test $REPLACE_READLINK = 1; then
     AC_LIBOBJ([readlink])
@@ -495,13 +536,16 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/alloca.in.h
   lib/basename-lgpl.c
   lib/canonicalize-lgpl.c
+  lib/closedir.c
   lib/config.charset
+  lib/dirent-private.h
   lib/dirent.in.h
   lib/dirfd.c
   lib/dirname-lgpl.c
   lib/dirname.h
   lib/dosname.h
   lib/errno.in.h
+  lib/filename.h
   lib/flexmember.h
   lib/float+.h
   lib/float.c
@@ -512,7 +556,11 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/fpucw.h
   lib/frexp.c
   lib/frexpl.c
+  lib/getlogin_r.c
   lib/gettimeofday.c
+  lib/glob-libc.h
+  lib/glob.c
+  lib/glob.in.h
   lib/hard-locale.c
   lib/hard-locale.h
   lib/inttypes.in.h
@@ -540,9 +588,12 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/memchr.c
   lib/memchr.valgrind
   lib/memmem.c
+  lib/mempcpy.c
+  lib/opendir.c
   lib/pathmax.h
   lib/rawmemchr.c
   lib/rawmemchr.valgrind
+  lib/readdir.c
   lib/readlink.c
   lib/ref-add.sin
   lib/ref-del.sin
@@ -582,8 +633,10 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/absolute-header.m4
   m4/alloca.m4
   m4/canonicalize.m4
+  m4/closedir.m4
   m4/codeset.m4
   m4/configmake.m4
+  m4/d-type.m4
   m4/dirent_h.m4
   m4/dirfd.m4
   m4/dirname.m4
@@ -602,8 +655,10 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/fpieee.m4
   m4/frexp.m4
   m4/frexpl.m4
+  m4/getlogin_r.m4
   m4/gettimeofday.m4
   m4/glibc21.m4
+  m4/glob.m4
   m4/gnulib-common.m4
   m4/hard-locale.m4
   m4/include_next.m4
@@ -628,12 +683,15 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/mbstate_t.m4
   m4/memchr.m4
   m4/memmem.m4
+  m4/mempcpy.m4
   m4/mmap-anon.m4
   m4/multiarch.m4
   m4/nocrash.m4
   m4/off_t.m4
+  m4/opendir.m4
   m4/pathmax.m4
   m4/rawmemchr.m4
+  m4/readdir.m4
   m4/readlink.m4
   m4/rename.m4
   m4/rmdir.m4
diff --git a/gdb/gnulib/import/m4/mempcpy.m4 b/gdb/gnulib/import/m4/mempcpy.m4
new file mode 100644
index 0000000000..6991f29f03
--- /dev/null
+++ b/gdb/gnulib/import/m4/mempcpy.m4
@@ -0,0 +1,26 @@
+# mempcpy.m4 serial 11
+dnl Copyright (C) 2003-2004, 2006-2007, 2009-2016 Free Software Foundation,
+dnl Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_MEMPCPY],
+[
+  dnl Persuade glibc <string.h> to declare mempcpy().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+  dnl The mempcpy() declaration in lib/string.in.h uses 'restrict'.
+  AC_REQUIRE([AC_C_RESTRICT])
+
+  AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+  AC_CHECK_FUNCS([mempcpy])
+  if test $ac_cv_func_mempcpy = no; then
+    HAVE_MEMPCPY=0
+  fi
+])
+
+# Prerequisites of lib/mempcpy.c.
+AC_DEFUN([gl_PREREQ_MEMPCPY], [
+  :
+])
diff --git a/gdb/gnulib/import/m4/opendir.m4 b/gdb/gnulib/import/m4/opendir.m4
new file mode 100644
index 0000000000..ffaa6ae3ba
--- /dev/null
+++ b/gdb/gnulib/import/m4/opendir.m4
@@ -0,0 +1,31 @@
+# opendir.m4 serial 4
+dnl Copyright (C) 2011-2016 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_OPENDIR],
+[
+  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+
+  AC_CHECK_FUNCS([opendir])
+  if test $ac_cv_func_opendir = no; then
+    HAVE_OPENDIR=0
+  fi
+  dnl Replace opendir() for supporting the gnulib-defined fchdir() function,
+  dnl to keep fchdir's bookkeeping up-to-date.
+  m4_ifdef([gl_FUNC_FCHDIR], [
+    gl_TEST_FCHDIR
+    if test $HAVE_FCHDIR = 0; then
+      if test $HAVE_OPENDIR = 1; then
+        REPLACE_OPENDIR=1
+      fi
+    fi
+  ])
+  dnl Replace opendir() on OS/2 kLIBC to support dirfd() function replaced
+  dnl by gnulib.
+  case $host_os,$HAVE_OPENDIR in
+    os2*,1)
+      REPLACE_OPENDIR=1;;
+  esac
+])
diff --git a/gdb/gnulib/import/m4/readdir.m4 b/gdb/gnulib/import/m4/readdir.m4
new file mode 100644
index 0000000000..eda3acf73d
--- /dev/null
+++ b/gdb/gnulib/import/m4/readdir.m4
@@ -0,0 +1,15 @@
+# readdir.m4 serial 1
+dnl Copyright (C) 2011-2016 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_READDIR],
+[
+  AC_REQUIRE([gl_DIRENT_H_DEFAULTS])
+
+  AC_CHECK_FUNCS([readdir])
+  if test $ac_cv_func_readdir = no; then
+    HAVE_READDIR=0
+  fi
+])
diff --git a/gdb/gnulib/import/mempcpy.c b/gdb/gnulib/import/mempcpy.c
new file mode 100644
index 0000000000..d579f64a0a
--- /dev/null
+++ b/gdb/gnulib/import/mempcpy.c
@@ -0,0 +1,28 @@
+/* Copy memory area and return pointer after last written byte.
+   Copyright (C) 2003, 2007, 2009-2016 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <string.h>
+
+/* Copy N bytes of SRC to DEST, return pointer to bytes after the
+   last written byte.  */
+void *
+mempcpy (void *dest, const void *src, size_t n)
+{
+  return (char *) memcpy (dest, src, n) + n;
+}
diff --git a/gdb/gnulib/import/opendir.c b/gdb/gnulib/import/opendir.c
new file mode 100644
index 0000000000..a135fd834a
--- /dev/null
+++ b/gdb/gnulib/import/opendir.c
@@ -0,0 +1,169 @@
+/* Start reading the entries of a directory.
+   Copyright (C) 2006-2016 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <dirent.h>
+
+#include <errno.h>
+#include <stddef.h>
+
+#if HAVE_OPENDIR
+
+/* Override opendir(), to keep track of the open file descriptors.
+   Needed because there is a function dirfd().  */
+
+#else
+
+# include <stdlib.h>
+
+# include "dirent-private.h"
+# include "filename.h"
+
+#endif
+
+#if REPLACE_FCHDIR
+# include <unistd.h>
+#endif
+
+#ifdef __KLIBC__
+# include <io.h>
+# include <fcntl.h>
+#endif
+
+DIR *
+opendir (const char *dir_name)
+{
+#if HAVE_OPENDIR
+# undef opendir
+  DIR *dirp;
+
+  dirp = opendir (dir_name);
+  if (dirp == NULL)
+    return NULL;
+
+# ifdef __KLIBC__
+  {
+    int fd = open (dir_name, O_RDONLY);
+    if (fd == -1 || _gl_register_dirp_fd (fd, dirp))
+      {
+        int saved_errno = errno;
+
+        close (fd);
+        closedir (dirp);
+
+        errno = saved_errno;
+
+        return NULL;
+      }
+  }
+# endif
+#else
+
+  char dir_name_mask[MAX_PATH + 1 + 1 + 1];
+  int status;
+  HANDLE current;
+  WIN32_FIND_DATA entry;
+  struct gl_directory *dirp;
+
+  if (dir_name[0] == '\0')
+    {
+      errno = ENOENT;
+      return NULL;
+    }
+
+  /* Make the dir_name absolute, so that we continue reading the same
+     directory if the current directory changed between this opendir()
+     call and a subsequent rewinddir() call.  */
+  if (!GetFullPathName (dir_name, MAX_PATH, dir_name_mask, NULL))
+    {
+      errno = EINVAL;
+      return NULL;
+    }
+
+  /* Append the mask.
+     "*" and "*.*" appear to be equivalent.  */
+  {
+    char *p;
+
+    p = dir_name_mask + strlen (dir_name_mask);
+    if (p > dir_name_mask && !ISSLASH (p[-1]))
+      *p++ = '\\';
+    *p++ = '*';
+    *p = '\0';
+  }
+
+  /* Start searching the directory.  */
+  status = -1;
+  current = FindFirstFile (dir_name_mask, &entry);
+  if (current == INVALID_HANDLE_VALUE)
+    {
+      switch (GetLastError ())
+        {
+        case ERROR_FILE_NOT_FOUND:
+          status = -2;
+          break;
+        case ERROR_PATH_NOT_FOUND:
+          errno = ENOENT;
+          return NULL;
+        case ERROR_DIRECTORY:
+          errno = ENOTDIR;
+          return NULL;
+        case ERROR_ACCESS_DENIED:
+          errno = EACCES;
+          return NULL;
+        default:
+          errno = EIO;
+          return NULL;
+        }
+    }
+
+  /* Allocate the result.  */
+  dirp =
+    (struct gl_directory *)
+    malloc (offsetof (struct gl_directory, dir_name_mask[0])
+            + strlen (dir_name_mask) + 1);
+  if (dirp == NULL)
+    {
+      if (current != INVALID_HANDLE_VALUE)
+        FindClose (current);
+      errno = ENOMEM;
+      return NULL;
+    }
+  dirp->status = status;
+  dirp->current = current;
+  if (status == -1)
+    memcpy (&dirp->entry, &entry, sizeof (WIN32_FIND_DATA));
+  strcpy (dirp->dir_name_mask, dir_name_mask);
+
+#endif
+
+#if REPLACE_FCHDIR
+  {
+    int fd = dirfd (dirp);
+    if (0 <= fd && _gl_register_fd (fd, dir_name) != fd)
+      {
+        int saved_errno = errno;
+        closedir (dirp);
+        errno = saved_errno;
+        return NULL;
+      }
+  }
+#endif
+
+  return dirp;
+}
diff --git a/gdb/gnulib/import/readdir.c b/gdb/gnulib/import/readdir.c
new file mode 100644
index 0000000000..76b7e9d819
--- /dev/null
+++ b/gdb/gnulib/import/readdir.c
@@ -0,0 +1,98 @@
+/* Read the next entry of a directory.
+   Copyright (C) 2011-2016 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include <dirent.h>
+
+#include <errno.h>
+#include <stddef.h>
+
+#include "dirent-private.h"
+
+struct dirent *
+readdir (DIR *dirp)
+{
+  char type;
+  struct dirent *result;
+
+  /* There is no need to add code to produce entries for "." and "..".
+     According to the POSIX:2008 section "4.12 Pathname Resolution"
+     <http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html>
+     "." and ".." are syntactic entities.
+     POSIX also says:
+       "If entries for dot or dot-dot exist, one entry shall be returned
+        for dot and one entry shall be returned for dot-dot; otherwise,
+        they shall not be returned."  */
+
+  switch (dirp->status)
+    {
+    case -2:
+      /* End of directory already reached.  */
+      return NULL;
+    case -1:
+      break;
+    case 0:
+      if (!FindNextFile (dirp->current, &dirp->entry))
+        {
+          switch (GetLastError ())
+            {
+            case ERROR_NO_MORE_FILES:
+              dirp->status = -2;
+              return NULL;
+            default:
+              errno = EIO;
+              return NULL;
+            }
+        }
+      break;
+    default:
+      errno = dirp->status;
+      return NULL;
+    }
+
+  dirp->status = 0;
+
+  if (dirp->entry.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
+    type = DT_DIR;
+  else if (dirp->entry.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
+    type = DT_LNK;
+  else if ((dirp->entry.dwFileAttributes
+            & ~(FILE_ATTRIBUTE_READONLY
+                | FILE_ATTRIBUTE_HIDDEN
+                | FILE_ATTRIBUTE_SYSTEM
+                | FILE_ATTRIBUTE_ARCHIVE
+                | FILE_ATTRIBUTE_NORMAL
+                | FILE_ATTRIBUTE_TEMPORARY
+                | FILE_ATTRIBUTE_SPARSE_FILE
+                | FILE_ATTRIBUTE_COMPRESSED
+                | FILE_ATTRIBUTE_NOT_CONTENT_INDEXED
+                | FILE_ATTRIBUTE_ENCRYPTED)) == 0)
+    /* Devices like COM1, LPT1, NUL would also have the attributes 0x20 but
+       they cannot occur here.  */
+    type = DT_REG;
+  else
+    type = DT_UNKNOWN;
+
+  /* Reuse the memory of dirp->entry for the result.  */
+  result =
+    (struct dirent *)
+    ((char *) dirp->entry.cFileName - offsetof (struct dirent, d_name[0]));
+  result->d_type = type;
+
+  return result;
+}
diff --git a/gdb/gnulib/update-gnulib.sh b/gdb/gnulib/update-gnulib.sh
index 2775dc7338..ccf603fceb 100755
--- a/gdb/gnulib/update-gnulib.sh
+++ b/gdb/gnulib/update-gnulib.sh
@@ -37,6 +37,7 @@ IMPORTED_GNULIB_MODULES="\
     errno \
     fnmatch-gnu \
     frexpl \
+    glob \
     inttypes \
     lstat \
     limits-h \
-- 
2.13.3


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