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openrisc: pass endianness info to sparse

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openrisc 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: Jonas Bonn <jonas@southpole.se>
To: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
To: Stafford Horne <shorne@gmail.com>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
This commit is contained in:
Luc Van Oostenryck 2017-10-31 18:22:05 +01:00 committed by Stafford Horne
parent 4553474d97
commit afa8380881
1 changed files with 1 additions and 0 deletions
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arch/openrisc/Makefile
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@ -25,6 +25,7 @@ LDFLAGS_vmlinux :=
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux__
CHECKFLAGS += -mbig-endian
ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y)
KBUILD_CFLAGS += $(call cc-option,-mhard-mul)