configure.ac: Fix C(PP)FLAGS for BSD build
Issue first found in libosmocore. It seems the BSD build doesn't use
bash which means using += to append to a variable doesn't work
correctly.
Change-Id: Id509351104bc7466114d4b9be450814254110f44
diff --git a/configure.ac b/configure.ac
index 535d1c3..9b62f3e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,8 +26,8 @@
AC_CONFIG_MACRO_DIR([m4])
-CFLAGS+=" -Wall"
-CPPFLAGS+=" -Wall"
+CFLAGS="$CFLAGS -Wall"
+CPPFLAGS="$CPPFLAGS -Wall"
# The following test is taken from WebKit's webkit.m4
saved_CFLAGS="$CFLAGS"
@@ -58,8 +58,8 @@
[sanitize=$enableval], [sanitize="no"])
if test x"$sanitize" = x"yes"
then
- CFLAGS+=" -fsanitize=address -fsanitize=undefined"
- CPPFLAGS+=" -fsanitize=address -fsanitize=undefined"
+ CFLAGS="$CFLAGS -fsanitize=address -fsanitize=undefined"
+ CPPFLAGS="$CPPFLAGS -fsanitize=address -fsanitize=undefined"
fi
_cflags_save=$CFLAGS