yann@2438: Respect environment CPPFLAGS when we run ./configure so we can inject
yann@2438: random -D things without having to set CFLAGS/ASFLAGS
yann@2438: 
yann@2438: diff -durN glibc-2.13.orig/Makeconfig glibc-2.13/Makeconfig
yann@2438: --- glibc-2.13.orig/Makeconfig	2009-05-09 23:57:56.000000000 +0200
yann@2438: +++ glibc-2.13/Makeconfig	2009-11-13 00:49:41.000000000 +0100
yann@2438: @@ -697,6 +697,7 @@
yann@2438:  	   $(foreach lib,$(libof-$(basename $(@F))) \
yann@2438:  			 $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \
yann@2438:  	   $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F)))
yann@2438: +CPPFLAGS += $(CPPFLAGS-config)
yann@2438:  override CFLAGS	= -std=gnu99 $(gnu89-inline-CFLAGS) \
yann@2438:  		  $(filter-out %frame-pointer,$(+cflags)) $(+gccwarn-c) \
yann@2438:  		  $(sysdep-CFLAGS) $(CFLAGS-$(suffix $@)) $(CFLAGS-$(<F)) \