diff options
| -rw-r--r-- | Makefile | 35 | ||||
| -rw-r--r-- | config.mk | 41 |
2 files changed, 39 insertions, 37 deletions
@@ -226,11 +226,46 @@ CHECK = sparse CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) +KBUILD_CPPFLAGS := -D__KERNEL__ + +KBUILD_CFLAGS := -Wall -Wstrict-prototypes \ + -Wno-format-security \ + -fno-builtin -ffreestanding +KBUILD_AFLAGS := -D__ASSEMBLY__ + export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC export CPP AR NM LDR STRIP OBJCOPY OBJDUMP export MAKE AWK export DTC CHECK CHECKFLAGS +export KBUILD_CPPFLAGS +export KBUILD_CFLAGS KBUILD_AFLAGS + +KBUILD_CFLAGS += -Os #-fomit-frame-pointer + +ifdef BUILD_TAG +KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' +endif + +KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) + +KBUILD_CFLAGS += -g +# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> +# option to the assembler. +KBUILD_AFLAGS += -g + +# Report stack usage if supported +KBUILD_CFLAGS += $(call cc-option,-fstack-usage) + +KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) + +# turn jbsr into jsr for m68k +ifeq ($(ARCH),m68k) +ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) +KBUILD_AFLAGS += -Wa,-gstabs,-S +endif +endif + # load other configuration include $(TOPDIR)/config.mk @@ -90,19 +90,13 @@ endif ######################################################################### -# We don't actually use $(ARFLAGS) anywhere anymore, so catch people -# who are porting old code to latest mainline but not updating $(AR). -ARFLAGS = $(error update your Makefile to use cmd_link_o_target and not AR) RELFLAGS= $(PLATFORM_RELFLAGS) -DBGFLAGS= -g # -DDEBUG -OPTFLAGS= -Os #-fomit-frame-pointer OBJCFLAGS += --gap-fill=0xff gccincdir := $(shell $(CC) -print-file-name=include) -CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ - -D__KERNEL__ +CPPFLAGS = $(KBUILD_CPPFLAGS) $(RELFLAGS) # Enable garbage collection of un-used sections for SPL ifeq ($(CONFIG_SPL_BUILD),y) @@ -134,26 +128,10 @@ CPPFLAGS += -I$(OBJTREE)/include endif CPPFLAGS += -I$(TOPDIR)/include -I$(SRCTREE)/arch/$(ARCH)/include -CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \ +CPPFLAGS += -nostdinc \ -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS) -CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes - -ifdef BUILD_TAG -CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' -endif - -CFLAGS_SSP := $(call cc-option,-fno-stack-protector) -CFLAGS += $(CFLAGS_SSP) -# Some toolchains enable security related warning flags by default, -# but they don't make much sense in the u-boot world, so disable them. -CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \ - $(call cc-option,-Wno-format-security) -CFLAGS += $(CFLAGS_WARN) - -# Report stack usage if supported -CFLAGS_STACK := $(call cc-option,-fstack-usage) -CFLAGS += $(CFLAGS_STACK) +CFLAGS := $(KBUILD_CFLAGS) $(CPPFLAGS) BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%)) @@ -165,18 +143,7 @@ endif endif endif -# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g<format> -# option to the assembler. -AFLAGS_DEBUG := - -# turn jbsr into jsr for m68k -ifeq ($(ARCH),m68k) -ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) -AFLAGS_DEBUG := -Wa,-gstabs,-S -endif -endif - -AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) +AFLAGS := $(KBUILD_AFLAGS) $(CPPFLAGS) LDFLAGS += $(PLATFORM_LDFLAGS) LDFLAGS_FINAL += -Bstatic |