GNU C Library master sources branch master updated. glibc-2.22-442-g8e2f7c6
Wed Oct 21 15:14:00 GMT 2015

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- Log -----------------------------------------------------------------;a=commitdiff;h=8e2f7c68111ba8fae795ee08b6822e21ab8cfa38

commit 8e2f7c68111ba8fae795ee08b6822e21ab8cfa38
Author: Joseph Myers <>
Date:   Wed Oct 21 15:14:13 2015 +0000

    Use -Wold-style-definition.
    This patch makes glibc build with -Wold-style-definition to avoid
    old-style function definitions creeping back in by accident.
    Tested for x86_64 and x86 (testsuite, and that installed shared
    libraries are unchanged by the patch).  Also tested build for arm,
    mips64 and powerpc32.  Hopefully there aren't any remaining
    system-specific files with old-style definitions whose formatting
    evaded my searches, but if there are, they will be easy to fix.
    	* Makeconfig (+gccwarn-c): Add -Wold-style-definition.
    	* Makefile ($(objpfx)c++-types-check.out): Filter out
    	$(+gccwarn-c) instead of -Wstrict-prototypes.

diff --git a/ChangeLog b/ChangeLog
index d08674e..b05d6d0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2015-10-21  Joseph Myers  <>
+	* Makeconfig (+gccwarn-c): Add -Wold-style-definition.
+	* Makefile ($(objpfx)c++-types-check.out): Filter out
+	$(+gccwarn-c) instead of -Wstrict-prototypes.
 	* io/fts.c (fts_open): Convert to prototype-style function
 	* malloc/mcheck.c (mcheck): Likewise.
diff --git a/Makeconfig b/Makeconfig
index 1dc522c..f3668c6 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -752,7 +752,7 @@ endif
 ifeq ($(enable-werror),yes)
 +gccwarn += -Werror
-+gccwarn-c = -Wstrict-prototypes
++gccwarn-c = -Wstrict-prototypes -Wold-style-definition
 # We do not depend on the address of constants in different files to be
 # actually different, so allow the compiler to merge them all.
diff --git a/Makefile b/Makefile
index a2abfb9..b2dd771 100644
--- a/Makefile
+++ b/Makefile
@@ -256,7 +256,7 @@ ifneq ($(CXX),no)
 vpath $(+sysdep_dirs)
 $(objpfx)c++-types-check.out: scripts/
-	scripts/ $< $(CXX) $(filter-out -std=gnu99 -Wstrict-prototypes,$(CFLAGS)) $(CPPFLAGS) > $@; \
+	scripts/ $< $(CXX) $(filter-out -std=gnu99 $(+gccwarn-c),$(CFLAGS)) $(CPPFLAGS) > $@; \


Summary of changes:
 ChangeLog  |    4 ++++
 Makeconfig |    2 +-
 Makefile   |    2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

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