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xtensa: Add -mforce-no-pic option is supported 

GCC is configured to always compile with PIC enabled for the Xtensa
architecture. This fails when nfsroot is enabled as the code uses a
non-conformant segment that mismatches in permissione with a read-only
segment.
A patch has been submitted to GCC to add the machine-option 'force-no-pic'
that disables PIC.

Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Chris Zankel 2010-05-02 01:00:22 -07:00
parent 8b307f9c47
commit cf1c0aaf81
1 changed files with 2 additions and 0 deletions
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2
arch/xtensa/Makefile
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@ -35,6 +35,8 @@ KBUILD_CFLAGS += -ffreestanding
KBUILD_CFLAGS += -pipe -mlongcalls KBUILD_CFLAGS += -pipe -mlongcalls
KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y)) vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y)) plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))