[PATCH v2 2/2] sparc: pass endianness info to sparse

From: Luc Van Oostenryck
Date: Thu Nov 09 2017 - 01:17:11 EST


sparc is big-endian only but sparse assumes the same endianness
as the building machine.
This is problematic for code which expect __BYTE_ORDER__ being
correctly predefined by the compiler which sparse can then
pre-process differently from what gcc would, depending on the
building machine endianness.

Fix this by letting sparse know about the architecture endianness.

To: David S. Miller <davem@xxxxxxxxxxxxx>
CC: sparclinux@xxxxxxxxxxxxxxx
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
arch/sparc/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index a42aa114e..08d477faf 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -14,7 +14,7 @@ else
KBUILD_DEFCONFIG := sparc64_defconfig
endif

-CHECKFLAGS += -D__sparc__
+CHECKFLAGS += -D__sparc__ -mbig-endian

ifeq ($(CONFIG_SPARC32),y)
#####
--
2.14.0