diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 29 |
1 files changed, 25 insertions, 4 deletions
@@ -15,10 +15,31 @@ else CFLAGS += -O0 -g endif -# Override CC and CFLAGS only if FIRMWARE_CONFIG_PATH is not empty, but we -# wish to preserve -D flags (so move all -D flags after this). -ifneq (${FIRMWARE_CONFIG_PATH},) -include ${FIRMWARE_CONFIG_PATH} +# +# TODO We hard-code u-boot's compiler flags here just temporarily. As we are +# still investigating which flags are necessary for maintaining a compatible +# ABI, etc. between u-boot and vboot_reference. +# +# Override CC and CFLAGS for firmware builds; if you have any -D flags, please +# add them after this point (e.g., -DVBOOT_DEBUG). +# +ifeq ($(FIRMWARE_ARCH), "arm") +CC = armv7a-cros-linux-gnueabi-gcc +CFLAGS = -g -Os -fno-common -ffixed-r8 -msoft-float -fno-builtin \ + -ffreestanding -nostdinc \ + -isystem /usr/lib/gcc/armv7a-cros-linux-gnueabi/4.4.3/gcc/armv7a-cros-linux-gnueabi/4.4.3/include \ + -pipe -marm -mabi=aapcs-linux -mno-thumb-interwork -march=armv5 \ + -Werror -Wall -Wstrict-prototypes -fno-stack-protector +endif +ifeq ($(FIRMWARE_ARCH), "i386") +CC = i686-pc-linux-gnu-gcc +CFLAGS = -g -Os -ffunction-sections -fvisibility=hidden -fno-builtin \ + -ffreestanding -nostdinc \ + -isystem /usr/lib/gcc/i686-pc-linux-gnu/4.4.3/gcc/i686-pc-linux-gnu/4.4.3/include \ + -pipe -fno-strict-aliasing -Wstrict-prototypes -mregparm=3 \ + -fomit-frame-pointer -ffreestanding -fno-toplevel-reorder \ + -fno-stack-protector -mpreferred-stack-boundary=2 -fno-dwarf2-cfi-asm \ + -march=i386 -Werror -Wall -Wstrict-prototypes -fno-stack-protector endif # Fix compiling directly on host (outside of emake) |