* data/c.m4 (b4_c_modern): New macro, with a new provision for _MSC_VER.

[bison.git] / m4 / m4.m4

diff --git a/m4/m4.m4 b/m4/m4.m4
index 6cf4af189336e671238812bad535386ee51b8705..7d8b394a16c5b56091be2ee9da656ed838c16c0b 100644 (file)
--- a/m4/m4.m4
+++ b/m4/m4.m4
@@ -1,16 +1,29 @@
-# serial 1                                                   -*- Autoconf -*-
+# Copyright 2000 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.

 
 

-# BISON_AC_PROG_GNU_M4
-# --------------------
+# BISON_PROG_GNU_M4
+# -----------------

 # Check for GNU m4, at least 1.3 (supports frozen files).
 # Check for GNU m4, at least 1.3 (supports frozen files).

-AC_DEFUN([BISON_AC_PROG_GNU_M4],
+AC_DEFUN([BISON_PROG_GNU_M4],

 [AC_PATH_PROGS(M4, gm4 gnum4 m4, m4)
 [AC_PATH_PROGS(M4, gm4 gnum4 m4, m4)

-AC_CACHE_CHECK([whether m4 supports frozen files],
-               [ac_cv_prog_gnu_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
 [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])
-])# BISON_AC_PROG_GNU_M4
+fi])])