[Buildroot] [PATCH 2/2 v2] package: Makefile.in: Add target compilation flags for Blackfin.

[Sonic Zhang <sonic.adi@gmail.com>]

From: Sonic Zhang <sonic.zhang@analog.com>

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 <sonic.zhang@analog.com>
---
 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
-- 
1.7.0.4