Allow MOZILLA_CFLAGS to be empty

diff --git a/configure.ac b/configure.ac
index b148e986c446386655ae1677dfa2b8e3416c70ee..b12a10cb7e1b3045a146591565418d61d1ad4568 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -4549,7 +4549,7 @@ then
     AC_ARG_VAR([MOZILLA_LIBS], [linker flags for Mozilla, overriding pkg-config])
     AC_MSG_NOTICE([Checking for Mozilla])
     found=0
-    if test -n "$MOZILLA_CFLAGS" -a -n "$MOZILLA_LIBS"
+    if test -n "$MOZILLA_CFLAGS" -o -n "$MOZILLA_LIBS"
     then
       found=1
     else