xml: match DOT output and xml2dot.xsl processing

[bison.git] / m4 / m4.m4

diff --git a/m4/m4.m4 b/m4/m4.m4
deleted file mode 100644 (file)
index 3ef7908492fccf35ea2157feeb5724aaa8cb31e2..0000000000000000000000000000000000000000
--- a/m4/m4.m4
+++ /dev/null
@@ -1,14 +0,0 @@
-# serial 1
-
-# BISON_AC_PROG_GNU_M4
-# --------------------
-# Check for GNU m4, at least 1.3 (supports frozen files).
-AC_DEFUN([BISON_AC_PROG_GNU_M4],
-[AC_PATH_PROGS(M4, gm4 gnum4 m4, m4)
-AC_CACHE_CHECK(whether m4 supports frozen files, ac_cv_prog_gnu_m4,
-[ac_cv_prog_gnu_m4=no
-if test x"$M4" != x; then
-  case `$M4 --help < /dev/null 2>&1` in
-    *reload-state*) ac_cv_prog_gnu_m4=yes ;;
-  esac
-fi])])

diff --git a/m4/m4.m4 b/m4/m4.m4
new file mode 120000 (symlink)
index 0000000000000000000000000000000000000000..5b176ba061db1a8daeb1d3037e2cb21da2422c1c
--- /dev/null
+++ b/m4/m4.m4
@@ -0,0 +1 @@
+../submodules/autoconf/m4/m4.m4
\ No newline at end of file