X-Git-Url: http://git.ipfire.org/?p=people%2Fms%2Fu-boot.git;a=blobdiff_plain;f=config.mk;h=cb1c4af977203cca95aa39aa58a1864648f023dc;hp=a9973a493ca1e9358811710ea73519d84fe353b2;hb=fd4e49c18901a50b1648235f26da1e8caa0f8764;hpb=725e53a70dfc8e96965715c1f61ae002061dac6b diff --git a/config.mk b/config.mk index a9973a493c..cb1c4af977 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 ######################################################################### # @@ -83,10 +111,10 @@ RANLIB = $(CROSS_COMPILE)RANLIB sinclude $(OBJTREE)/include/autoconf.mk ifdef ARCH -sinclude $(TOPDIR)/$(ARCH)_config.mk # include architecture dependend rules +sinclude $(TOPDIR)/lib_$(ARCH)/config.mk # include architecture dependend rules endif ifdef CPU -sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules +sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules endif ifdef SOC sinclude $(TOPDIR)/cpu/$(CPU)/$(SOC)/config.mk # include SoC specific rules @@ -128,6 +156,10 @@ ifneq ($(TEXT_BASE),) CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) endif +ifneq ($(RESET_VECTOR_ADDRESS),) +CPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS) +endif + ifneq ($(OBJTREE),$(SRCTREE)) CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include endif @@ -166,7 +198,7 @@ endif AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) -LDFLAGS += -Bstatic -T $(LDSCRIPT) $(PLATFORM_LDFLAGS) +LDFLAGS += -Bstatic -T $(obj)u-boot.lds $(PLATFORM_LDFLAGS) ifneq ($(TEXT_BASE),) LDFLAGS += -Ttext $(TEXT_BASE) endif @@ -196,7 +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