diff options
| -rw-r--r-- | Kconfig | 10 | ||||
| -rw-r--r-- | Makefile | 6 |
2 files changed, 15 insertions, 1 deletions
@@ -46,6 +46,16 @@ config LOCALVERSION_AUTO which is done within the script "scripts/setlocalversion".) +config CC_OPTIMIZE_FOR_SIZE + bool "Optimize for size" + depends on !SPL_BUILD + default y + help + Enabling this option will pass "-Os" instead of "-O2" to gcc + resulting in a smaller U-Boot image. + + This option is enabled by default for U-Boot. + endmenu # General setup menu "Boot images" @@ -529,7 +529,11 @@ else include/config/auto.conf: ; endif # $(dot-config) -KBUILD_CFLAGS += -Os #-fomit-frame-pointer +ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE +KBUILD_CFLAGS += -Os +else +KBUILD_CFLAGS += -O2 +endif ifdef BUILD_TAG KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' |