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build: undefine _FORTIFY_SOURCE before setting it

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Some compilers automatically define _FORTIFY_SOURCE to a different
value, so undefine it before setting it on the compiler command line.

Change-Id: Id662953bd4466b99d0fe9bd5bb96f9fc335ff9a8
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2015-12-22 10:15:06 -07:00
parent 0765bba91f
commit 7ab7984885
1 changed files with 1 additions and 1 deletions
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mk/spdk.common.mk
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@ -73,7 +73,7 @@ COMMON_CFLAGS += -DDEBUG -O0
else
COMMON_CFLAGS += -DNDEBUG -O2
# Enable _FORTIFY_SOURCE checks - these only work when optimizations are enabled.
COMMON_CFLAGS += -D_FORTIFY_SOURCE=2
COMMON_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
endif
ifeq ($(CONFIG_COVERAGE), y)