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GNU C Library master sources branch master updated. glibc-2.25-465-ga65ea28
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 13 Jun 2017 18:32:37 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.25-465-ga65ea28
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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=a65ea28d1833d3502c5070472e43bda04410e6b5
commit a65ea28d1833d3502c5070472e43bda04410e6b5
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Jun 13 09:28:14 2017 -0700
Make copy of <bits/std_abs.h> from GCC 7 [BZ #21573]
<bits/std_abs.h> from GCC 7 will include /usr/include/stdlib.h from
"#include_next" (instead of stdlib/stdlib.h in the glibc source
directory), and this turns up as a make dependency. Also make a copy
of <bits/std_abs.h> to prevent it from including /usr/include/stdlib.h.
[BZ #21573]
* Makerules [$(c++-bits-std_abs-h) != ""] (before-compile): Add
$(common-objpfx)bits/std_abs.h.
[$(c++-bits-std_abs-h) != ""] ($(common-objpfx)bits/std_abs.h):
New target.
* config.make.in (c++-bits-std_abs-h): New.
* configure.ac (find_cxx_header): Use "\,$1," with sed.
(CXX_BITS_STD_ABS_H): New.
(AC_SUBST(CXX_BITS_STD_ABS_H)): Likewise.
* configure: Regenerated.
diff --git a/ChangeLog b/ChangeLog
index a6978e6..52ffaf8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2017-06-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ [BZ #21573]
+ * Makerules [$(c++-bits-std_abs-h) != ""] (before-compile): Add
+ $(common-objpfx)bits/std_abs.h.
+ [$(c++-bits-std_abs-h) != ""] ($(common-objpfx)bits/std_abs.h):
+ New target.
+ * config.make.in (c++-bits-std_abs-h): New.
+ * configure.ac (find_cxx_header): Use "\,$1," with sed.
+ (CXX_BITS_STD_ABS_H): New.
+ (AC_SUBST(CXX_BITS_STD_ABS_H)): Likewise.
+ * configure: Regenerated.
+
2017-06-13 Zack Weinberg <zackw@panix.com>
* posix/bits/cpu-set.h: Correct indentation of preprocessor
diff --git a/Makerules b/Makerules
index 7656c49..f91a4c5 100644
--- a/Makerules
+++ b/Makerules
@@ -134,6 +134,14 @@ $(common-objpfx)cstdlib: $(c++-cstdlib-header)
$(common-objpfx)cmath: $(c++-cmath-header)
$(INSTALL_DATA) $< $@T
$(move-if-change) $@T $@
+ifneq (,$(c++-bits-std_abs-h))
+# Also make a copy of <bits/std_abs.h> from GCC 7 to prevent it from
+# including /usr/include/stdlib.h.
+before-compile := $(common-objpfx)bits/std_abs.h $(before-compile)
+$(common-objpfx)bits/std_abs.h: $(c++-bits-std_abs-h)
+ $(INSTALL_DATA) $< $@T
+ $(move-if-change) $@T $@
+endif
endif
before-compile := $(common-objpfx)libc-abis.h $(before-compile)
diff --git a/config.make.in b/config.make.in
index d08a462..dadabf9 100644
--- a/config.make.in
+++ b/config.make.in
@@ -47,6 +47,7 @@ sysincludes = @SYSINCLUDES@
c++-sysincludes = @CXX_SYSINCLUDES@
c++-cstdlib-header = @CXX_CSTDLIB_HEADER@
c++-cmath-header = @CXX_CMATH_HEADER@
+c++-bits-std_abs-h = @CXX_BITS_STD_ABS_H@
all-warnings = @all_warnings@
enable-werror = @enable_werror@
diff --git a/configure b/configure
index 422482f..ceb5394 100755
--- a/configure
+++ b/configure
@@ -634,6 +634,7 @@ BISON
INSTALL_INFO
PERL
BASH_SHELL
+CXX_BITS_STD_ABS_H
CXX_CMATH_HEADER
CXX_CSTDLIB_HEADER
CXX_SYSINCLUDES
@@ -5336,14 +5337,16 @@ fi
# copy of those headers in Makerules.
if test -n "$CXX"; then
find_cxx_header () {
- echo "#include <$1>" | $CXX -M -MP -x c++ - | sed -n "/$1:/{s/:\$//;p}"
+ echo "#include <$1>" | $CXX -M -MP -x c++ - | sed -n "\,$1:,{s/:\$//;p}"
}
CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)"
CXX_CMATH_HEADER="$(find_cxx_header cmath)"
+ CXX_BITS_STD_ABS_H="$(find_cxx_header bits/std_abs.h)"
fi
+
# Test if LD_LIBRARY_PATH contains the notation for the current directory
# since this would lead to problems installing/building glibc.
# LD_LIBRARY_PATH contains the current directory if one of the following
diff --git a/configure.ac b/configure.ac
index 7f43042..d74bd44 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1187,13 +1187,15 @@ AC_SUBST(CXX_SYSINCLUDES)
# copy of those headers in Makerules.
if test -n "$CXX"; then
find_cxx_header () {
- echo "#include <$1>" | $CXX -M -MP -x c++ - | sed -n "/$1:/{s/:\$//;p}"
+ echo "#include <$1>" | $CXX -M -MP -x c++ - | sed -n "\,$1:,{s/:\$//;p}"
}
CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)"
CXX_CMATH_HEADER="$(find_cxx_header cmath)"
+ CXX_BITS_STD_ABS_H="$(find_cxx_header bits/std_abs.h)"
fi
AC_SUBST(CXX_CSTDLIB_HEADER)
AC_SUBST(CXX_CMATH_HEADER)
+AC_SUBST(CXX_BITS_STD_ABS_H)
# Test if LD_LIBRARY_PATH contains the notation for the current directory
# since this would lead to problems installing/building glibc.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 13 +++++++++++++
Makerules | 8 ++++++++
config.make.in | 1 +
configure | 5 ++++-
configure.ac | 4 +++-
5 files changed, 29 insertions(+), 2 deletions(-)
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