diff options
Diffstat (limited to 'config.mk')
-rw-r--r-- | config.mk | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/config.mk b/config.mk index 8cfd60c86ca..cb1c4af9772 100644 --- a/config.mk +++ b/config.mk @@ -46,13 +46,41 @@ PLATFORM_LDFLAGS = ######################################################################### +HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \ + $(HOSTCPPFLAGS) +HOSTSTRIP = strip + +# +# Mac OS X / Darwin's C preprocessor is Apple specific. It +# generates numerous errors and warnings. We want to bypass it +# and use GNU C's cpp. To do this we pass the -traditional-cpp +# option to the compiler. Note that the -traditional-cpp flag +# DOES NOT have the same semantics as GNU C's flag, all it does +# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. +# +# Apple's linker is similar, thanks to the new 2 stage linking +# multiple symbol definitions are treated as errors, hence the +# -multiply_defined suppress option to turn off this error. +# + ifeq ($(HOSTOS),darwin) HOSTCC = cc +HOSTCFLAGS += -traditional-cpp +HOSTLDFLAGS += -multiply_defined suppress else HOSTCC = gcc endif -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -HOSTSTRIP = strip + +ifeq ($(HOSTOS),cygwin) +HOSTCFLAGS += -ansi +endif + +# We build some files with extra pedantic flags to try to minimize things +# that won't build on some weird host compiler -- though there are lots of +# exceptions for files that aren't complaint. + +HOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS)) +HOSTCFLAGS += -pedantic ######################################################################### # @@ -200,7 +228,7 @@ endif ######################################################################### -export HOSTCC HOSTCFLAGS CROSS_COMPILE \ +export HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \ AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS |