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authorJoseph Myers <joseph@codesourcery.com>2015-10-27 21:47:22 +0000
committerJoseph Myers <joseph@codesourcery.com>2015-10-27 21:47:22 +0000
commit783dd2d3af5aad76829e61ab5abeac5d466971f6 (patch)
treeca5241bb4e2ed9dcc33ff2e44eb924d9e8a2f283 /Makefile
parent3e2ee6f0e3471ceb4c49f8287676a7050401bf8f (diff)
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Use -std=gnu11 instead of -std=gnu99.
Now that GCC 4.7 or later is required to build glibc, this patch moves the build from using -std=gnu99 to -std=gnu11 (option added in 4.7). This allows use of C11 features from GCC's headers, such as new float.h macros and max_align_t. Tested for x86_64 and x86 (testsuite; installed stripped shared libraries are unchanged by the patch on x86_64, while I see some slight code reordering of no significance on x86). * Makeconfig (CFLAGS): Use -std=gnu11 instead of -std=gnu99. * Makefile ($(objpfx)c++-types-check.out): Filter out -std=gnu11 instead of -std=gnu99. * configure.ac (systemtap): Test with -std=gnu11 instead of -std=gnu99. * configure: Regenerated. * math/gen-auto-libm-tests.c: Use -std=gnu11 instead of -std=gnu99 in compilation command in comment.
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 8ab0dbcb75b..1d800e30bbf 100644
--- a/Makefile
+++ b/Makefile
@@ -256,7 +256,7 @@ ifneq ($(CXX),no)
vpath c++-types.data $(+sysdep_dirs)
$(objpfx)c++-types-check.out: c++-types.data scripts/check-c++-types.sh
- scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu99 $(+gccwarn-c),$(CFLAGS)) $(CPPFLAGS) > $@; \
+ scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu11 $(+gccwarn-c),$(CFLAGS)) $(CPPFLAGS) > $@; \
$(evaluate-test)
endif