[dm-devel] [PATCH 1/3] Makefile.inc: Allow additional CFLAGS to be specified on the command line

[Bart Van Assche]

Compiling the multipath-tools source code with e.g. sparse requires
to specify additional compiler flags on the command line. Modify the
Makefile such that this becomes possible.

Signed-off-by: Bart Van Assche <bart.vanassche at wdc.com>
---
 Makefile.inc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile.inc b/Makefile.inc
index 29c290a22e8f..d953f5ef34e6 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -90,7 +90,8 @@ OPTFLAGS	= -O2 -g -pipe -Wall -Wextra -Wformat=2 -Werror=implicit-int \
 		  -Wp,-D_FORTIFY_SOURCE=2 $(STACKPROT) \
 		  --param=ssp-buffer-size=4
 
-CFLAGS		= $(OPTFLAGS) -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\"
+CFLAGS		:= $(OPTFLAGS) -DLIB_STRING=\"${LIB}\" -DRUN_DIR=\"${RUN}\" \
+		   $(CFLAGS)
 BIN_CFLAGS	= -fPIE -DPIE
 LIB_CFLAGS	= -fPIC
 SHARED_FLAGS	= -shared
-- 
2.15.1