diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -141,7 +141,8 @@ FIRMWARE_FLAGS := -nostdinc -ffreestanding -fno-builtin -fno-stack-protector COMMON_FLAGS := -pipe ${WERROR} -Wall -Wstrict-prototypes -Wtype-limits \ -Wundef -Wmissing-prototypes -Wno-trigraphs -Wredundant-decls \ -Wwrite-strings -Wstrict-aliasing -Wshadow -Wdate-time \ - -Wno-address-of-packed-member ${DEBUG_FLAGS} + -Wno-address-of-packed-member -ffunction-sections -fdata-sections \ + ${DEBUG_FLAGS} # Note: FIRMWARE_ARCH is defined by the Chromium OS ebuild. ifeq (${FIRMWARE_ARCH}, arm) @@ -151,7 +152,7 @@ CFLAGS ?= -march=armv5 -fno-common -ffixed-r8 -mfloat-abi=hard -marm else ifeq (${FIRMWARE_ARCH}, x86) CC ?= i686-pc-linux-gnu-gcc # Drop -march=i386 to permit use of SSE instructions -CFLAGS ?= -ffunction-sections -fvisibility=hidden -fomit-frame-pointer \ +CFLAGS ?= -fvisibility=hidden -fomit-frame-pointer \ -fno-toplevel-reorder -fno-dwarf2-cfi-asm -mpreferred-stack-boundary=2 \ ${FIRMWARE_FLAGS} ${COMMON_FLAGS} else ifeq (${FIRMWARE_ARCH}, x86_64) @@ -164,6 +165,9 @@ CFLAGS += -DCHROMEOS_ENVIRONMENT ${COMMON_FLAGS} CHROMEOS_ENVIRONMENT = 1 endif +# Needs -Wl because LD is actually set to CC by default. +LDFLAGS ?= -Wl,--gc-sections + ifneq (${DEBUG},) CFLAGS += -DVBOOT_DEBUG endif |