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[binutils-gdb] Automatically update "aclocal_m4_deps" when updating gnulib

From: Sergio Durigan Junior <sergiodj at sourceware dot org>
To: gdb-cvs at sourceware dot org
Date: 4 Sep 2018 17:58:33 -0000
Subject: [binutils-gdb] Automatically update "aclocal_m4_deps" when updating gnulib
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=fcc9b044b7f563023633a9964810e76f4cde40d4

commit fcc9b044b7f563023633a9964810e76f4cde40d4
Author: Sergio Durigan Junior <sergiodj@redhat.com>
Date:   Sun Sep 2 17:11:46 2018 -0400

    Automatically update "aclocal_m4_deps" when updating gnulib
    
    When we update gnulib using our "update-gnulib.sh" tool, it doesn't
    automatically update the list of M4 files present at
    gnulib/Makefile.in:aclocal_m4_deps.  This patch extends the tool to do
    that.  It also puts "aclocal_m4_deps" in its own file (a Makefile
    fragment), so that it's easier to update it programatically.
    
    Tested by generating the file and diff'ing the results against the
    current version of "aclocal_m4_deps".
    
    gdb/ChangeLog:
    2018-09-04  Sergio Durigan Junior  <sergiodj@redhat.com>
    	    Pedro Alves  <palves@redhat.com>
    
    	* gnulib/Makefile.in (aclocal_m4_deps): Move to
    	"aclocal-m4-deps.mk".  Include file here.
    	$(srcdir)/aclocal.m4: Add "configure.ac".
    	* gnulib/aclocal-m4-deps.mk: New file.
    	* gnulib/update-gnulib.sh: Automatically update
    	"aclocal-m4-deps.mk".

Diff:
---
 gdb/ChangeLog                 |  10 +++
 gdb/gnulib/Makefile.in        | 142 ++----------------------------------------
 gdb/gnulib/aclocal-m4-deps.mk | 136 ++++++++++++++++++++++++++++++++++++++++
 gdb/gnulib/update-gnulib.sh   |  10 +++
 4 files changed, 160 insertions(+), 138 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f5db91e..114c13b 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,13 @@
+2018-09-04  Sergio Durigan Junior  <sergiodj@redhat.com>
+	    Pedro Alves  <palves@redhat.com>
+
+	* gnulib/Makefile.in (aclocal_m4_deps): Move to
+	"aclocal-m4-deps.mk".  Include file here.
+	$(srcdir)/aclocal.m4: Add "configure.ac".
+	* gnulib/aclocal-m4-deps.mk: New file.
+	* gnulib/update-gnulib.sh: Automatically update
+	"aclocal-m4-deps.mk".
+
 2018-09-04  Tom Tromey  <tom@tromey.com>
 
 	* configure: Rebuild.
diff --git a/gdb/gnulib/Makefile.in b/gdb/gnulib/Makefile.in
index 117831a..88c3e11 100644
--- a/gdb/gnulib/Makefile.in
+++ b/gdb/gnulib/Makefile.in
@@ -200,144 +200,10 @@ config.status: $(srcdir)/configure
 
 ACLOCAL = aclocal
 ACLOCAL_AMFLAGS = -I import/m4 -I ../../config
-aclocal_m4_deps = \
-	configure.ac \
-	import/m4/flexmember.m4 \
-	import/m4/eealloc.m4 \
-	import/m4/mkdir.m4 \
-	import/m4/close.m4 \
-	import/m4/unistd-safer.m4 \
-	import/m4/inttypes-pri.m4 \
-	import/m4/chdir-long.m4 \
-	import/m4/gnulib-common.m4 \
-	import/m4/readdir.m4 \
-	import/m4/stdlib_h.m4 \
-	import/m4/getlogin_r.m4 \
-	import/m4/warn-on-use.m4 \
-	import/m4/getdtablesize.m4 \
-	import/m4/rewinddir.m4 \
-	import/m4/string_h.m4 \
-	import/m4/closedir.m4 \
-	import/m4/canonicalize.m4 \
-	import/m4/stdio_h.m4 \
-	import/m4/fdopendir.m4 \
-	import/m4/getcwd-abort-bug.m4 \
-	import/m4/alloca.m4 \
-	import/m4/strstr.m4 \
-	import/m4/stat-time.m4 \
-	import/m4/builtin-expect.m4 \
-	import/m4/rawmemchr.m4 \
-	import/m4/msvc-nothrow.m4 \
-	import/m4/absolute-header.m4 \
-	import/m4/isnanl.m4 \
-	import/m4/stddef_h.m4 \
-	import/m4/gnulib-tool.m4 \
-	import/m4/realloc.m4 \
-	import/m4/d-type.m4 \
-	import/m4/frexp.m4 \
-	import/m4/getcwd-path-max.m4 \
-	import/m4/dup2.m4 \
-	import/m4/strtok_r.m4 \
-	import/m4/exponentd.m4 \
-	import/m4/std-gnu11.m4 \
-	import/m4/locale-ja.m4 \
-	import/m4/gettimeofday.m4 \
-	import/m4/time_h.m4 \
-	import/m4/malloc.m4 \
-	import/m4/fnmatch_h.m4 \
-	import/m4/codeset.m4 \
-	import/m4/getcwd.m4 \
-	import/m4/readlink.m4 \
-	import/m4/locale-zh.m4 \
-	import/m4/stdint.m4 \
-	import/m4/memrchr.m4 \
-	import/m4/onceonly.m4 \
-	import/m4/pathmax.m4 \
-	import/m4/rename.m4 \
-	import/m4/rmdir.m4 \
-	import/m4/dup.m4 \
-	import/m4/errno_h.m4 \
-	import/m4/mbrtowc.m4 \
-	import/m4/environ.m4 \
-	import/m4/wchar_h.m4 \
-	import/m4/strchrnul.m4 \
-	import/m4/fcntl_h.m4 \
-	import/m4/getpagesize.m4 \
-	import/m4/largefile.m4 \
-	import/m4/openat.m4 \
-	import/m4/save-cwd.m4 \
-	import/m4/stat.m4 \
-	import/m4/include_next.m4 \
-	import/m4/mmap-anon.m4 \
-	import/m4/mode_t.m4 \
-	import/m4/exponentl.m4 \
-	import/m4/sys_types_h.m4 \
-	import/m4/fcntl-o.m4 \
-	import/m4/stdbool.m4 \
-	import/m4/float_h.m4 \
-	import/m4/msvc-inval.m4 \
-	import/m4/wctype_h.m4 \
-	import/m4/gnulib-cache.m4 \
-	import/m4/mbsrtowcs.m4 \
-	import/m4/limits-h.m4 \
-	import/m4/locale-fr.m4 \
-	import/m4/fstatat.m4 \
-	import/m4/inttypes.m4 \
-	import/m4/memchr.m4 \
-	import/m4/glob.m4 \
-	import/m4/fstat.m4 \
-	import/m4/sys_stat_h.m4 \
-	import/m4/off_t.m4 \
-	import/m4/strdup.m4 \
-	import/m4/ssize_t.m4 \
-	import/m4/math_h.m4 \
-	import/m4/unistd_h.m4 \
-	import/m4/fpieee.m4 \
-	import/m4/mempcpy.m4 \
-	import/m4/wint_t.m4 \
-	import/m4/d-ino.m4 \
-	import/m4/setenv.m4 \
-	import/m4/open-cloexec.m4 \
-	import/m4/longlong.m4 \
-	import/m4/multiarch.m4 \
-	import/m4/filenamecat.m4 \
-	import/m4/gnulib-comp.m4 \
-	import/m4/mkstemp.m4 \
-	import/m4/dirfd.m4 \
-	import/m4/getlogin.m4 \
-	import/m4/signal_h.m4 \
-	import/m4/sys_socket_h.m4 \
-	import/m4/dirname.m4 \
-	import/m4/00gnulib.m4 \
-	import/m4/dirent_h.m4 \
-	import/m4/opendir.m4 \
-	import/m4/error.m4 \
-	import/m4/extensions.m4 \
-	import/m4/fchdir.m4 \
-	import/m4/mbsinit.m4 \
-	import/m4/__inline.m4 \
-	import/m4/extern-inline.m4 \
-	import/m4/fnmatch.m4 \
-	import/m4/lstat.m4 \
-	import/m4/nocrash.m4 \
-	import/m4/sys_time_h.m4 \
-	import/m4/localcharset.m4 \
-	import/m4/open.m4 \
-	import/m4/localtime-buffer.m4 \
-	import/m4/getprogname.m4 \
-	import/m4/wchar_t.m4 \
-	import/m4/isnand.m4 \
-	import/m4/double-slash-root.m4 \
-	import/m4/malloca.m4 \
-	import/m4/fcntl.m4 \
-	import/m4/frexpl.m4 \
-	import/m4/strerror.m4 \
-	import/m4/glob_h.m4 \
-	import/m4/tempname.m4 \
-	import/m4/memmem.m4 \
-	import/m4/mbstate_t.m4
-
-$(srcdir)/aclocal.m4: @MAINTAINER_MODE_TRUE@ $(aclocal_m4_deps)
+
+include $(srcdir)/aclocal-m4-deps.mk
+
+$(srcdir)/aclocal.m4: @MAINTAINER_MODE_TRUE@ configure.ac $(aclocal_m4_deps)
 	cd $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
 
 AUTOCONF = autoconf
diff --git a/gdb/gnulib/aclocal-m4-deps.mk b/gdb/gnulib/aclocal-m4-deps.mk
new file mode 100644
index 0000000..52d280d
--- /dev/null
+++ b/gdb/gnulib/aclocal-m4-deps.mk
@@ -0,0 +1,136 @@
+# THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
+aclocal_m4_deps = \
+	import/m4/flexmember.m4 \
+	import/m4/eealloc.m4 \
+	import/m4/mkdir.m4 \
+	import/m4/close.m4 \
+	import/m4/unistd-safer.m4 \
+	import/m4/inttypes-pri.m4 \
+	import/m4/chdir-long.m4 \
+	import/m4/gnulib-common.m4 \
+	import/m4/readdir.m4 \
+	import/m4/stdlib_h.m4 \
+	import/m4/getlogin_r.m4 \
+	import/m4/warn-on-use.m4 \
+	import/m4/getdtablesize.m4 \
+	import/m4/rewinddir.m4 \
+	import/m4/string_h.m4 \
+	import/m4/closedir.m4 \
+	import/m4/canonicalize.m4 \
+	import/m4/stdio_h.m4 \
+	import/m4/fdopendir.m4 \
+	import/m4/getcwd-abort-bug.m4 \
+	import/m4/alloca.m4 \
+	import/m4/strstr.m4 \
+	import/m4/stat-time.m4 \
+	import/m4/builtin-expect.m4 \
+	import/m4/rawmemchr.m4 \
+	import/m4/msvc-nothrow.m4 \
+	import/m4/absolute-header.m4 \
+	import/m4/isnanl.m4 \
+	import/m4/stddef_h.m4 \
+	import/m4/gnulib-tool.m4 \
+	import/m4/realloc.m4 \
+	import/m4/d-type.m4 \
+	import/m4/frexp.m4 \
+	import/m4/getcwd-path-max.m4 \
+	import/m4/dup2.m4 \
+	import/m4/strtok_r.m4 \
+	import/m4/exponentd.m4 \
+	import/m4/std-gnu11.m4 \
+	import/m4/locale-ja.m4 \
+	import/m4/gettimeofday.m4 \
+	import/m4/time_h.m4 \
+	import/m4/malloc.m4 \
+	import/m4/fnmatch_h.m4 \
+	import/m4/codeset.m4 \
+	import/m4/getcwd.m4 \
+	import/m4/readlink.m4 \
+	import/m4/locale-zh.m4 \
+	import/m4/stdint.m4 \
+	import/m4/memrchr.m4 \
+	import/m4/onceonly.m4 \
+	import/m4/pathmax.m4 \
+	import/m4/rename.m4 \
+	import/m4/rmdir.m4 \
+	import/m4/dup.m4 \
+	import/m4/errno_h.m4 \
+	import/m4/mbrtowc.m4 \
+	import/m4/environ.m4 \
+	import/m4/wchar_h.m4 \
+	import/m4/strchrnul.m4 \
+	import/m4/fcntl_h.m4 \
+	import/m4/getpagesize.m4 \
+	import/m4/largefile.m4 \
+	import/m4/openat.m4 \
+	import/m4/save-cwd.m4 \
+	import/m4/stat.m4 \
+	import/m4/include_next.m4 \
+	import/m4/mmap-anon.m4 \
+	import/m4/mode_t.m4 \
+	import/m4/exponentl.m4 \
+	import/m4/sys_types_h.m4 \
+	import/m4/fcntl-o.m4 \
+	import/m4/stdbool.m4 \
+	import/m4/float_h.m4 \
+	import/m4/msvc-inval.m4 \
+	import/m4/wctype_h.m4 \
+	import/m4/gnulib-cache.m4 \
+	import/m4/mbsrtowcs.m4 \
+	import/m4/limits-h.m4 \
+	import/m4/locale-fr.m4 \
+	import/m4/fstatat.m4 \
+	import/m4/inttypes.m4 \
+	import/m4/memchr.m4 \
+	import/m4/glob.m4 \
+	import/m4/fstat.m4 \
+	import/m4/sys_stat_h.m4 \
+	import/m4/off_t.m4 \
+	import/m4/strdup.m4 \
+	import/m4/ssize_t.m4 \
+	import/m4/math_h.m4 \
+	import/m4/unistd_h.m4 \
+	import/m4/fpieee.m4 \
+	import/m4/mempcpy.m4 \
+	import/m4/wint_t.m4 \
+	import/m4/d-ino.m4 \
+	import/m4/setenv.m4 \
+	import/m4/open-cloexec.m4 \
+	import/m4/longlong.m4 \
+	import/m4/multiarch.m4 \
+	import/m4/filenamecat.m4 \
+	import/m4/gnulib-comp.m4 \
+	import/m4/mkstemp.m4 \
+	import/m4/dirfd.m4 \
+	import/m4/getlogin.m4 \
+	import/m4/signal_h.m4 \
+	import/m4/sys_socket_h.m4 \
+	import/m4/dirname.m4 \
+	import/m4/00gnulib.m4 \
+	import/m4/dirent_h.m4 \
+	import/m4/opendir.m4 \
+	import/m4/error.m4 \
+	import/m4/extensions.m4 \
+	import/m4/fchdir.m4 \
+	import/m4/mbsinit.m4 \
+	import/m4/__inline.m4 \
+	import/m4/extern-inline.m4 \
+	import/m4/fnmatch.m4 \
+	import/m4/lstat.m4 \
+	import/m4/nocrash.m4 \
+	import/m4/sys_time_h.m4 \
+	import/m4/localcharset.m4 \
+	import/m4/open.m4 \
+	import/m4/localtime-buffer.m4 \
+	import/m4/getprogname.m4 \
+	import/m4/wchar_t.m4 \
+	import/m4/isnand.m4 \
+	import/m4/double-slash-root.m4 \
+	import/m4/malloca.m4 \
+	import/m4/fcntl.m4 \
+	import/m4/frexpl.m4 \
+	import/m4/strerror.m4 \
+	import/m4/glob_h.m4 \
+	import/m4/tempname.m4 \
+	import/m4/memmem.m4 \
+	import/m4/mbstate_t.m4
diff --git a/gdb/gnulib/update-gnulib.sh b/gdb/gnulib/update-gnulib.sh
index 3dcafeb..5d29e28 100755
--- a/gdb/gnulib/update-gnulib.sh
+++ b/gdb/gnulib/update-gnulib.sh
@@ -167,3 +167,13 @@ if [ $? -ne 0 ]; then
    exit 1
 fi
 
+# Update aclocal-m4-deps.mk
+ACLOCAL_M4_DEPS_FILE=aclocal-m4-deps.mk
+cat > ${ACLOCAL_M4_DEPS_FILE}.tmp <<EOF
+# THIS FILE IS GENERATED.  -*- buffer-read-only: t -*- vi :set ro:
+aclocal_m4_deps = \\
+$(find import/m4 -type f -name "*.m4" | sed 's/^/\t/; s/$/ \\/; $s/ \\//g')
+EOF
+
+../../move-if-change ${ACLOCAL_M4_DEPS_FILE}.tmp ${ACLOCAL_M4_DEPS_FILE}
+rm -f ${ACLOCAL_M4_DEPS_FILE}.tmp
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