https://bugs.gentoo.org/725450
--- a/doc/examples/modulesyms.sh
+++ b/doc/examples/modulesyms.sh
@@ -7,7 +7,7 @@ for module in `cat modules.list`; do
 	    lib=$2/lib"$module""$dim".so
 	fi
 	if test -f $lib; then
-	    nm -fb $lib | grep ".* T gfs_.*_class$" | grep -v "gfs_gl" | cut -d" " -f3-4
+	    ${NM:-nm} -fb $lib | grep ".* T gfs_.*_class$" | grep -v "gfs_gl" | cut -d" " -f3-4
 	fi
     done
 done | sort | uniq | sed -e 's/_class//g' -e 's/^./\U&/' -e 's/_./\U&/g' -e 's/_//g' | \