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commit 8e2f7c68111ba8fae795ee08b6822e21ab8cfa38
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Author: Joseph Myers <joseph@codesourcery.com>
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Date: Wed Oct 21 15:14:13 2015 +0000
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Use -Wold-style-definition.
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This patch makes glibc build with -Wold-style-definition to avoid
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old-style function definitions creeping back in by accident.
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Tested for x86_64 and x86 (testsuite, and that installed shared
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libraries are unchanged by the patch). Also tested build for arm,
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mips64 and powerpc32. Hopefully there aren't any remaining
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system-specific files with old-style definitions whose formatting
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evaded my searches, but if there are, they will be easy to fix.
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* Makeconfig (+gccwarn-c): Add -Wold-style-definition.
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* Makefile ($(objpfx)c++-types-check.out): Filter out
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$(+gccwarn-c) instead of -Wstrict-prototypes.
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Conflicts:
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Makefile
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Resolved conflict due to missing $(evaluate-test) in the tree (commit
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f0881698bf244bcb16c394d2d6258d975a11baef, Generate .test-result files
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for tests with special rules.).
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diff --git a/Makeconfig b/Makeconfig
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index 3c0d4abc5f5f30df..f8313c9774d47522 100644
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--- a/Makeconfig
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+++ b/Makeconfig
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@@ -647,7 +647,7 @@ endif
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ifeq ($(enable-werror),yes)
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+gccwarn += -Werror
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endif
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-+gccwarn-c = -Wstrict-prototypes
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++gccwarn-c = -Wstrict-prototypes -Wold-style-definition
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# We do not depend on the address of constants in different files to be
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# actually different, so allow the compiler to merge them all.
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diff --git a/Makefile b/Makefile
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index bebb0a865a150a3a..f4128c2627dd0bb9 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -279,7 +279,7 @@ ifneq ($(CXX),no)
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vpath c++-types.data $(+sysdep_dirs)
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$(objpfx)c++-types-check.out: c++-types.data scripts/check-c++-types.sh
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- scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu99 -Wstrict-prototypes,$(CFLAGS)) $(CPPFLAGS) > $@
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+ scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu99 $(+gccwarn-c),$(CFLAGS)) $(CPPFLAGS) > $@
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endif
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$(objpfx)check-local-headers.out: scripts/check-local-headers.sh
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