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diff --git a/m4/strerror_r.m4 b/m4/strerror_r.m4
deleted file mode 100644 (file)
index 410dfdf..0000000
--- a/m4/strerror_r.m4
+++ /dev/null
@@ -1,40 +0,0 @@
-#serial 2
-
-dnl From Jim Meyering.
-dnl Determine whether the strerror_r implementation is one of
-dnl the broken ones that returns `int' rather than `char*'.
-dnl Actually, this tests only whether it returns a scalar
-dnl or an array, but that should be enough.
-dnl On at least DEC UNIX 4.0[A-D] and HP-UX B.10.20, strerror_r
-dnl returns `int'.  This is used by lib/error.c.
-
-AC_DEFUN(jm_FUNC_STRERROR_R,
-[
-  # Check strerror_r
-  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],
-                   jm_cv_func_working_strerror_r,
-     [
-      AC_TRY_COMPILE(
-       [
-#       include <stdio.h>
-#       if HAVE_STRING_H
-#        include <string.h>
-#       endif
-       ],
-       [
-        int buf; /* avoiding square brackets makes this easier */
-        char x = *strerror_r (0, buf, sizeof buf);
-       ],
-       jm_cv_func_working_strerror_r=yes,
-       jm_cv_func_working_strerror_r=no
-      )
-      if test $jm_cv_func_working_strerror_r = yes; then
-       AC_DEFINE_UNQUOTED(HAVE_WORKING_STRERROR_R, 1,
-         [Define to 1 if strerror_r returns a string.])
-      fi
-    ])
-  fi
-])