[PATCH] blackfin: Makefile: Add -D__linux__ flag for KBUILD_CFLAGS

[Chen Gang]

The related error with allmodconfig:

    CC [M]  fs/coda/psdev.o
  In file included from include/linux/coda.h:64:0,
                   from fs/coda/psdev.c:45:
  include/uapi/linux/coda.h:221:2: error: unknown type name 'u_quad_t'
    u_quad_t va_size; /* file size in bytes */
    ^
  include/uapi/linux/coda.h:229:2: error: unknown type name 'u_quad_t'
    u_quad_t va_bytes; /* bytes of disk space held by file */
    ^
  include/uapi/linux/coda.h:230:2: error: unknown type name 'u_quad_t'
    u_quad_t va_filerev; /* file modification number */
    ^

Signed-off-by: Chen Gang <gang.chen.5i5j@xxxxxxxxx>
---
 arch/blackfin/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index 1fce086..2ece4e3 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -13,7 +13,7 @@ LDFLAGS_vmlinux  := -X
 OBJCOPYFLAGS     := -O binary -R .note -R .comment -S
 GZFLAGS          := -9
 
-KBUILD_CFLAGS           += $(call cc-option,-mno-fdpic)
+KBUILD_CFLAGS           += $(call cc-option,-mno-fdpic) -D__linux__
 ifeq ($(CONFIG_ROMKERNEL),y)
 KBUILD_CFLAGS           += -mlong-calls
 endif
-- 
1.9.3
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