diff --git a/Tools/config/ac_compare_version.m4 b/Tools/config/ac_compare_version.m4
index 79e94cc83..0828f4789 100644
--- a/Tools/config/ac_compare_version.m4
+++ b/Tools/config/ac_compare_version.m4
@@ -22,19 +22,19 @@ AC_DEFUN([AC_COMPARE_VERSION], [
 	isolate_b_regex='\([[0-9]]\+\).*'
 	for ver_part in $nodots_a ; do
 		b_ver_part=`echo "$ver_b" | sed -e 's/'"$isolate_b_regex"'/\1/'`
-		if test \( "$ver_part" -lt "$b_ver_part" \) -a \( "x$condition" == "xequal" \) ; then
+		if test \( "$ver_part" -lt "$b_ver_part" \) -a \( "x$condition" = "xequal" \) ; then
 			condition=less
-		elif test \( "$ver_part" -gt "$b_ver_part" \) -a \( "x$condition" == "xequal" \) ; then
+		elif test \( "$ver_part" -gt "$b_ver_part" \) -a \( "x$condition" = "xequal" \) ; then
 			condition=greater
 		fi
 		isolate_b_regex='[[0-9]]\+\.'"$isolate_b_regex"
 	done
 
-	if test "x$condition" == "xequal" ; then
+	if test "x$condition" = "xequal" ; then
 		[$4]
-	elif test "x$condition" == "xless" ; then
+	elif test "x$condition" = "xless" ; then
 		[$3]
-	elif test "x$condition" == "xgreater" ; then
+	elif test "x$condition" = "xgreater" ; then
 		[$5]
 	fi
-])
\ No newline at end of file
+])
diff --git a/Tools/config/ax_path_generic.m4 b/Tools/config/ax_path_generic.m4
index 351360dac..6960d612a 100644
--- a/Tools/config/ax_path_generic.m4
+++ b/Tools/config/ax_path_generic.m4
@@ -110,19 +110,19 @@ AC_DEFUN([AX_PATH_GENERIC],[
     ])
 
     AC_PATH_PROGS(UP[]_CONFIG,[$6 DOWN-config],[no])
-    AS_IF([test "$UP[]_CONFIG" == "no"],[
+    AS_IF([test "$UP[]_CONFIG" = "no"],[
       :
       $5
     ],[
       dnl Get the CFLAGS from LIBRARY-config script
-      AS_IF([test x"$7" == x],[
+      AS_IF([test x"$7" = x],[
 	UP[]_CFLAGS="`$UP[]_CONFIG $DOWN[]_config_args --cflags`"
       ],[
 	UP[]_CFLAGS="`$UP[]_CONFIG $DOWN[]_config_args $7`"
       ])
 
       dnl Get the LIBS from LIBRARY-config script
-      AS_IF([test x"$8" == x],[
+      AS_IF([test x"$8" = x],[
 	UP[]_LIBS="`$UP[]_CONFIG $DOWN[]_config_args --libs`"
       ],[
 	UP[]_LIBS="`$UP[]_CONFIG $DOWN[]_config_args $8`"