diff options
Diffstat (limited to 'Makefile.am')
| -rw-r--r-- | Makefile.am | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/Makefile.am b/Makefile.am index 5cf577e..835dbb3 100644 --- a/Makefile.am +++ b/Makefile.am @@ -30,13 +30,9 @@ AM_CXXFLAGS += -Wall -Wwrite-strings -Woverloaded-virtual \ -fno-builtin-memalign -fno-builtin-posix_memalign \ -fno-builtin-valloc -fno-builtin-pvalloc # On i386, -mmmx is needed for the mmx-based instructions in -# atomicops-internal-x86.h. Also as of gcc 4.6, -fomit-frame-pointer -# is the default. Since we must always have frame pointers for I386 -# in order to generate backtraces we now specify -fno-omit-frame-pointer -# by default. +# atomicops-internal-x86.h. if I386 AM_CXXFLAGS += -mmmx -AM_CXXFLAGS += -fno-omit-frame-pointer endif I386 endif GCC if HAVE_W_NO_UNUSED_RESULT @@ -72,6 +68,16 @@ AM_CXXFLAGS += -DNO_FRAME_POINTER endif !ENABLE_FRAME_POINTERS endif X86_64_AND_NO_FP_BY_DEFAULT +# As of gcc 4.6, -fomit-frame-pointer is the default even for i386. Since +# we must always have frame pointers for i386 in order to generate backtraces +# we now specify -fno-omit-frame-pointer by default (i386 only). +if GCC +if I386 +AM_CXXFLAGS += -fno-omit-frame-pointer +endif I386 +endif GCC + + # For windows systems (at least, mingw), we need to tell all our # tests to link in libtcmalloc using -u. This is because libtcmalloc # accomplishes its tasks via patching, leaving no work for the linker |