[dm-devel] [PATCH][V2] Fix possibility to redefine -D_FORTIFY_SOURCE macro.

Martin Liška mliska at suse.cz
Tue Apr 12 11:19:58 UTC 2022


As explained here:
https://github.com/opensvc/multipath-tools/issues/29

using -Wp,-D_FORTIFY_SOURCE cannot be redefined with
-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3.

Signed-off-by: Martin Liska <mliska at suse.cz>
---
  Makefile.inc | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Makefile.inc b/Makefile.inc
index d24da43e..cc170a2e 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -123,7 +123,7 @@ OPTFLAGS	:= -O2 -g $(STACKPROT) --param=ssp-buffer-size=4
  WARNFLAGS	:= -Werror -Wall -Wextra -Wformat=2 $(WFORMATOVERFLOW) -Werror=implicit-int \
  		  -Werror=implicit-function-declaration -Werror=format-security \
  		  $(WNOCLOBBERED) -Werror=cast-qual $(ERROR_DISCARDED_QUALIFIERS)
-CPPFLAGS	:= -Wp,-D_FORTIFY_SOURCE=2
+CPPFLAGS	:= -D_FORTIFY_SOURCE=2
  CFLAGS		:= --std=gnu99 $(CFLAGS) $(OPTFLAGS) $(WARNFLAGS) -pipe \
  		   -DBIN_DIR=\"$(bindir)\" -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\" \
  		   -MMD -MP
-- 
2.35.1



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