--- /usr/ports/core/m4/Pkgfile	2011-10-11 15:07:39.155985096 +0700
+++ m4/Pkgfile	2012-07-11 16:08:26.766119318 +0700
@@ -9,6 +9,9 @@
 
 build() {
     cd $name-$version
+
+    sed -i '/gets is a security hole/d' lib/stdio.in.h
+
     ./configure --prefix=/usr --mandir=/usr/man
     make
     make DESTDIR=$PKG install