Fix portability issue with some shells (#3970)

processone · Jan 9, 2023 · d26a9d5 · d26a9d5
1 parent 0b1800f
commit d26a9d5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/m4/erlang-extra.m4 b/m4/erlang-extra.m4
@@ -75,7 +75,7 @@ EOF
 	if test "x`cat conftest.out`" != "xok"; then
 	   AC_MSG_RESULT([failed])
 	   X="`cat conftest.out`"
-	   if test "[$3]" == "warn"; then
+	   if test "[$3]" = "warn"; then
 	      AC_MSG_WARN([$X])
 	   else
 	      AC_MSG_FAILURE([$X])