diff options
| author | Marti Bolivar <mbolivar@leaflabs.com> | 2012-08-05 14:39:34 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2012-08-05 14:40:03 -0400 |
| commit | 13935e4ac792253000a861f5cea099a4da95276c (patch) | |
| tree | f71b12c933db56f68f3b0b3dda06c4479a84f748 /Makefile | |
| parent | 51699a1991b76fe232e2ff63992e49a973e8ff70 (diff) | |
Makefile: Don't assume Cortex M3.
Instead, derive -march and -mcpu from the target MCU in
target-config.mk. Also (on STM32F4) add the necessary floating point
flags. The CodeSourcery toolchains don't support these, so we'll need
to prepare alternative toolchains when F4 support is official.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 7 |
1 files changed, 3 insertions, 4 deletions
@@ -52,12 +52,11 @@ include $(MAKEDIR)/build-templates.mk # It slows compilation noticeably; remove after 1 release. TARGET_FLAGS += -I$(LIBMAPLE_PATH)/include/libmaple \ -I$(WIRISH_PATH)/include/wirish -GLOBAL_CFLAGS := -Os -g3 -gdwarf-2 -mcpu=cortex-m3 -mthumb -march=armv7-m \ - -nostdlib -ffunction-sections -fdata-sections \ +GLOBAL_CFLAGS := -Os -g3 -gdwarf-2 -nostdlib \ + -ffunction-sections -fdata-sections \ -Wl,--gc-sections $(TARGET_FLAGS) GLOBAL_CXXFLAGS := -fno-rtti -fno-exceptions -Wall $(TARGET_FLAGS) -GLOBAL_ASFLAGS := -mcpu=cortex-m3 -march=armv7-m -mthumb \ - -x assembler-with-cpp $(TARGET_FLAGS) +GLOBAL_ASFLAGS := -x assembler-with-cpp $(TARGET_FLAGS) LDFLAGS = $(TARGET_LDFLAGS) $(TOOLCHAIN_LDFLAGS) -mcpu=cortex-m3 -mthumb \ -Xlinker --gc-sections \ -Xassembler --march=armv7-m -Wall |