Changes to m4/strerror_r.m4

[Bernhard Rosenkraenzer]

CVSROOT:        /sources/grep
Module name:    grep
Changes by:     Bernhard Rosenkraenzer <bero>   06/08/18 21:36:24

Index: m4/strerror_r.m4
===================================================================
RCS file: m4/strerror_r.m4
diff -N m4/strerror_r.m4
--- m4/strerror_r.m4    4 Mar 2001 05:29:16 -0000       1.1
+++ /dev/null   1 Jan 1970 00:00:00 -0000
@@ -1,69 +0,0 @@
-#serial 1002, but ported to autoconf 2.13 by eggert
-# Experimental replacement for the function in the latest CVS autoconf.
-# If the compile-test says strerror_r doesn't work, then resort to a
-# `run'-test that works on BeOS and segfaults on DEC Unix.
-# Use with the error.c file in ../lib.
-
-undefine([AC_FUNC_STRERROR_R])
-
-# AC_FUNC_STRERROR_R
-# ------------------
-AC_DEFUN([AC_FUNC_STRERROR_R],
-[jm_CHECK_DECLARATION(strerror_r, [#include <string.h>])
-test $jm_cv_func_decl_strerror_r != yes
-AC_DEFINE_UNQUOTED(HAVE_DECL_STRERROR_R, $?,
-  [Define to 1 if strerror_r is declared.])
-AC_CHECK_FUNCS([strerror_r])
-if test $ac_cv_func_strerror_r = yes; then
-  AC_CHECK_HEADERS(string.h)
-  AC_CACHE_CHECK([for working strerror_r],
-                ac_cv_func_strerror_r_works,
-   [
-    AC_TRY_COMPILE(
-     [
-#       include <stdio.h>
-#       if HAVE_STRING_H
-#        include <string.h>
-#       endif
-     ],
-     [
-       char buf[100];
-       char x = *strerror_r (0, buf, sizeof buf);
-     ],
-     ac_cv_func_strerror_r_works=yes,
-     ac_cv_func_strerror_r_works=no
-    )
-    if test $ac_cv_func_strerror_r_works = no; then
-      # strerror_r seems not to work, but now we have to 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_TRY_RUN(
-       [
-#       include <stdio.h>
-#       include <string.h>
-#       include <ctype.h>
-
-       extern char *strerror_r ();
-
-       int
-       main ()
-       {
-         char buf[100];
-         char x = *strerror_r (0, buf, sizeof buf);
-         exit (!isalpha (x));
-       }
-       ],
-       ac_cv_func_strerror_r_works=yes,
-       ac_cv_func_strerror_r_works=no,
-       ac_cv_func_strerror_r_works=no)
-    fi
-  ])
-  if test $ac_cv_func_strerror_r_works = yes; then
-    AC_DEFINE_UNQUOTED(HAVE_WORKING_STRERROR_R, 1,
-      [Define to 1 if strerror_r returns a string.])
-  fi
-fi
-])# AC_FUNC_STRERROR_R