Don't use auto CFLAGS/LDFLAGS if they are set but blank (#9)

Explicitly blank flags are valid.
amadvance · Apr 30, 2020 · afdd2f3 · afdd2f3
1 parent 7dff2ea
commit afdd2f3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/configure.ac b/configure.ac
@@ -82,12 +82,12 @@ case "$build" in
 esac
 AC_SUBST([CONF_BUILD],[$ac_build])
 
-if test -z "$CFLAGS" ; then
+if test -z "${CFLAGS+set}" ; then
 	ac_auto_cflags=yes
 else
 	ac_auto_cflags=no
 fi
-if test -z "$LDFLAGS" ; then
+if test -z "${LDFLAGS+set}" ; then
 	ac_auto_ldflags=yes
 else
 	ac_auto_ldflags=no