Remove file -- now it's part of autoconf-2.54

diff --git a/m4/strerror_r.m4 b/m4/strerror_r.m4
deleted file mode 100644 (file)
index bd28635..0000000
--- a/m4/strerror_r.m4
+++ /dev/null
@@ -1,59 +0,0 @@
-#serial 1003
-# Experimental replacement for the function in the latest CVS autoconf.
-# Use with the error.c file in ../lib.
-
-# Copyright 2001 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
-
-undefine([AC_FUNC_STRERROR_R])
-
-# AC_FUNC_STRERROR_R
-# ------------------
-AC_DEFUN([AC_FUNC_STRERROR_R],
-[AC_CHECK_DECLS([strerror_r])
-AC_CHECK_FUNCS([strerror_r])
-AC_CACHE_CHECK([whether strerror_r returns char *],
-               ac_cv_func_strerror_r_char_p,
-   [
-    ac_cv_func_strerror_r_char_p=no
-    if test $ac_cv_have_decl_strerror_r = yes; then
-      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
-       [[
-         char buf[100];
-         char x = *strerror_r (0, buf, sizeof buf);
-         char *p = strerror_r (0, buf, sizeof buf);
-       ]])],
-                       ac_cv_func_strerror_r_char_p=yes)
-    else
-      # strerror_r is not declared.  Choose between
-      # systems that have relatively inaccessible declarations for the
-      # function.  BeOS and DEC UNIX 4.0 fall in this category, but the
-      # former has a strerror_r that returns char*, while the latter
-      # has a strerror_r that returns `int'.
-      # This test should segfault on the DEC system.
-      AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT
-       extern char *strerror_r ();],
-       [[char buf[100];
-         char x = *strerror_r (0, buf, sizeof buf);
-         exit (!isalpha (x));]])],
-                    ac_cv_func_strerror_r_char_p=yes, , :)
-    fi
-  ])
-if test $ac_cv_func_strerror_r_char_p = yes; then
-  AC_DEFINE([STRERROR_R_CHAR_P], 1,
-           [Define to 1 if strerror_r returns char *.])
-fi
-])# AC_FUNC_STRERROR_R