diff options
Diffstat (limited to 'arch/um/Makefile-i386')
| -rw-r--r-- | arch/um/Makefile-i386 | 30 |
1 files changed, 7 insertions, 23 deletions
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386 index a777e57dbf89..aef7c50f8e13 100644 --- a/arch/um/Makefile-i386 +++ b/arch/um/Makefile-i386 @@ -27,30 +27,14 @@ export LDFLAGS HOSTCFLAGS HOSTLDFLAGS UML_OBJCOPYFLAGS endif endif -CFLAGS += -U__$(SUBARCH)__ -U$(SUBARCH) $(STUB_CFLAGS) +CFLAGS += -U__$(SUBARCH)__ -U$(SUBARCH) -ifneq ($(CONFIG_GPROF),y) -ARCH_CFLAGS += -DUM_FASTCALL -endif - -SYS_UTIL_DIR := $(ARCH_DIR)/sys-i386/util -SYS_HEADERS := $(SYS_DIR)/sc.h $(SYS_DIR)/thread.h - -prepare: $(SYS_HEADERS) - -$(SYS_DIR)/sc.h: $(SYS_UTIL_DIR)/mk_sc - $(call filechk,gen_header) - -$(SYS_DIR)/thread.h: $(SYS_UTIL_DIR)/mk_thread - $(call filechk,gen_header) - -$(SYS_UTIL_DIR)/mk_sc: scripts_basic $(ARCH_DIR)/user-offsets.h FORCE - $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@ +# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y. +include $(srctree)/arch/i386/Makefile.cpu -$(SYS_UTIL_DIR)/mk_thread: scripts_basic $(ARCH_DIR)/kernel-offsets.h FORCE - $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) $@ +# prevent gcc from keeping the stack 16 byte aligned. Taken from i386. +cflags-y += $(call cc-option,-mpreferred-stack-boundary=2) -$(SYS_UTIL_DIR): scripts_basic include/asm FORCE - $(Q)$(MAKE) $(build)=$(SYS_UTIL_DIR) +CFLAGS += $(cflags-y) +USER_CFLAGS += $(cflags-y) -CLEAN_FILES += $(SYS_HEADERS) |