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[PATCH] respect build CPPFLAGS


the configure script takes care of setting up CPPFLAGS from the user, but the 
glibc makefiles don't actually respect the result.  this patch passes along 
the values accordingly.
-mike

2011-09-19  Mike Frysinger  <vapier@gentoo.org>

	* Makeconfig (CPPFLAGS): Add $(CPPFLAGS-config).
	* config.make.in (CPPFLAGS-config): Define.

--- a/Makeconfig
+++ b/Makeconfig
@@ -703,7 +704,7 @@ libio-include = -I$(..)libio
 # Note that we can't use -std=* in CPPFLAGS, because it overrides
 # the implicit -lang-asm and breaks cpp behavior for .S files--notably
 # it causes cpp to stop predefining __ASSEMBLER__.
-CPPFLAGS = $($(subdir)-CPPFLAGS) $(+includes) $(defines) \
+CPPFLAGS = $(CPPFLAGS-config) $($(subdir)-CPPFLAGS) $(+includes) $(defines) \
 	   -include $(..)include/libc-symbols.h $(sysdep-CPPFLAGS) \
 	   $(CPPFLAGS-$(suffix $@)) \
 	   $(foreach lib,$(libof-$(basename $(@F))) \
--- a/config.make.in
+++ b/config.make.in
@@ -106,6 +106,7 @@ CC = @CC@
 CXX = @CXX@
 BUILD_CC = @BUILD_CC@
 CFLAGS = @CFLAGS@
+CPPFLAGS-config = @CPPFLAGS@
 ASFLAGS-config = @ASFLAGS_config@
 AR = @AR@
 MAKEINFO = @MAKEINFO@

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