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s390: pass endianness info to sparse

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s390 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.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Luc Van Oostenryck
2017-10-31 18:22:08 +01:00
committed by Martin Schwidefsky
parent b82a5e4ea8
commit 3b42c17a7e
1 changed files with 1 additions and 1 deletions
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arch/s390/Makefile
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@@ -21,7 +21,7 @@ KBUILD_CFLAGS += -m64
KBUILD_AFLAGS += -m64
UTS_MACHINE := s390x
STACK_SIZE := 16384
CHECKFLAGS += -D__s390__ -D__s390x__
CHECKFLAGS += -D__s390__ -D__s390x__ -mbig-endian
export LD_BFD