multipath-tools: modify Makefile.inc for cross-compilation

Do not look for systemd info on the host, and allow us to pass in CFLAGS
using the OPTFLAGS variable.

Upstream-Status: Inappropriate [embedded specific]

Signed-off-by: Joe Slater <joe.slater@windriver.com>

Update for version 0.5.0-144-g770e6d0

Signed-off-by: Kai Kang <kai.kang@windriver.com>

--- a/Makefile.inc
+++ b/Makefile.inc
@@ -21,12 +21,6 @@ ifndef LIB
 	endif
 endif
 
-ifndef SYSTEMD
-	ifeq ($(shell systemctl --version > /dev/null 2>&1 && echo 1), 1)
-		SYSTEMD = $(shell systemctl --version 2> /dev/null |  sed -n 's/systemd \([0-9]*\)/\1/p')
-	endif
-endif
-
 ifndef SYSTEMDPATH
 	SYSTEMDPATH=usr/lib
 endif
@@ -53,7 +47,10 @@ ifndef RPM_OPT_FLAGS
 	RPM_OPT_FLAGS = -O2 -g -pipe -Wformat-security -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4
 endif
 
+ifndef OPTFLAGS
 OPTFLAGS     = $(RPM_OPT_FLAGS) -Wunused -Wstrict-prototypes
+endif
+
 CFLAGS	     = $(OPTFLAGS) -fPIC -DLIB_STRING=\"${LIB}\"
 SHARED_FLAGS = -shared