diff --git a/Programming/m4/build b/Programming/m4/build
index d069a41..29c175f 100755
--- a/Programming/m4/build
+++ b/Programming/m4/build
@@ -3,6 +3,6 @@
 pbuild::set_download_url "https://ftp.gnu.org/gnu/$P/$P-$V.tar.bz2"
 
 # use system gcc to compile
-declare -rx CC=gcc
+#declare -rx CC=gcc
 
 pbuild::add_to_group 'Programming'
diff --git a/Programming/m4/files/variants b/Programming/m4/files/variants
index b1fe26d..a9eec0b 100644
--- a/Programming/m4/files/variants
+++ b/Programming/m4/files/variants
@@ -1 +1,2 @@
 m4/1.4.17	stable
+m4/1.4.18	stable