From patchwork Tue Aug 21 04:45:49 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/2, v2] package: Makefile.in: Add target compilation flags for Blackfin. From: Sonic Zhang X-Patchwork-Id: 178952 Message-Id: <1345524349-709-2-git-send-email-sonic.adi@gmail.com> To: Thomas Petazzoni , Peter Korsgaard Cc: buildroot@busybox.net, Sonic Zhang , buildroot-devel@blackfin.uclinux.org Date: Tue, 21 Aug 2012 12:45:49 +0800 From: Sonic Zhang 1) Add CPU type and revision CFLAGS 2) Add NOMMU compilation flags 3) Add FLAT ABI link flags 4) Add FLAT (Separate Data) ABI flags 5) Add share FLAT ABI flags Signed-off-by: Sonic Zhang --- package/Makefile.in | 28 +++++++++++++++++++++++++++- 1 files changed, 27 insertions(+), 1 deletions(-) diff --git a/package/Makefile.in b/package/Makefile.in index 6fad224..1b9a612 100644 --- a/package/Makefile.in +++ b/package/Makefile.in @@ -85,7 +85,13 @@ ifeq ($(BR2_DEBUG_3),y) TARGET_DEBUGGING=-g3 endif -TARGET_CFLAGS=$(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING) +ifeq ($(BR2_GCC_TARGET_CPU_REVISION),) +TARGET_CPU=-mcpu=$(BR2_GCC_TARGET_CPU) +else +TARGET_CPU=-mcpu=$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION) +endif + +TARGET_CFLAGS=$(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING) $(TARGET_CPU) ifeq ($(findstring yy,$(BR2_mips)$(BR2_MIPS_ABI64)),yy) TARGET_CFLAGS+=-fno-pic -mno-abicalls @@ -95,9 +101,29 @@ ifeq ($(BR2_LARGEFILE),y) TARGET_CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 endif +ifneq ($(BR2_USE_MMU), y) +TARGET_CFLAGS += -D__NOMMU__ -D__uClinux__ +endif + TARGET_CXXFLAGS=$(TARGET_CFLAGS) TARGET_LDFLAGS=$(call qstrip,$(BR2_TARGET_LDFLAGS)) +ifeq ($(BR2_ABI_FLAT),y) +TARGET_LDFLAGS += -Wl,-elf2flt +endif + +ifeq ($(BR2_BFIN_FLAT_SEP_DATA),y) +TARGET_LDFLAGS += -msep-data +TARGET_CFLAGS += -msep-data +TARGET_CXXFLAGS += -msep-data +endif + +ifeq ($(BR2_BFIN_SHARED_FLAT), y) +TARGET_LDFLAGS += -mid-shared-library -mshared-library-id=0 +TARGET_CFLAGS += -mid-shared-library -mshared-library-id=0 +TARGET_CXXFLAGS += -mid-shared-library -mshared-library-id=0 +endif + ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_CTNG),y) TARGET_CROSS=$(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)- else