I noticed that in gcc/Makefile.in, ALL_CFLAGS included $(CFLAGS-$@) but ALL_CXXFLAGS was missing it. I don't see any reason for this difference; this patch makes the two agree more closely.
Bootstrapped with no regressions on x86_64-unknown-linux-gnu. OK to commit? 2011-08-23 Joseph Myers <jos...@codesourcery.com> * Makefile.in (ALL_CXXFLAGS): Include $(CFLAGS-$@). Index: Makefile.in =================================================================== --- Makefile.in (revision 177999) +++ Makefile.in (working copy) @@ -1029,7 +1029,7 @@ $(CFLAGS) $(INTERNAL_CFLAGS) $(COVERAGE_FLAGS) $(WARN_CFLAGS) @DEFS@ # The C++ version. -ALL_CXXFLAGS = $(T_CFLAGS) $(CXXFLAGS) $(INTERNAL_CFLAGS) \ +ALL_CXXFLAGS = $(T_CFLAGS) $(CFLAGS-$@) $(CXXFLAGS) $(INTERNAL_CFLAGS) \ $(COVERAGE_FLAGS) $(WARN_CXXFLAGS) @DEFS@ # Likewise. Put INCLUDES at the beginning: this way, if some autoconf macro -- Joseph S. Myers jos...@codesourcery.com