Fix strerror_r detection, based on

http://lists.gnu.org/archive/html/bug-grep/2006-06/msg00023.html

1 files changed, 0 insertions, 69 deletions

diff --git a/m4/strerror_r.m4 b/m4/strerror_r.m4
deleted file mode 100644
index 60832623..00000000
--- a/m4/strerror_r.m4
+++ /dev/null
@@ -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