.

diff --git a/m4/setenv.m4 b/m4/setenv.m4
deleted file mode 100644 (file)
index 3b19a29..0000000
--- a/m4/setenv.m4
+++ /dev/null
@@ -1,56 +0,0 @@
-# setenv.m4 serial 4
-dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
-dnl This file is free software, distributed under the terms of the GNU
-dnl General Public License.  As a special exception to the GNU General
-dnl Public License, this file may be distributed as part of a program
-dnl that contains a configuration script generated by Autoconf, under
-dnl the same distribution terms as the rest of that program.
-
-AC_DEFUN([gt_FUNC_SETENV],
-[
-  AC_REPLACE_FUNCS(setenv unsetenv)
-  if test $ac_cv_func_setenv = no; then
-    gl_PREREQ_SETENV
-  fi
-  if test $ac_cv_func_unsetenv = no; then
-    gl_PREREQ_UNSETENV
-  fi
-])
-
-# Check if a variable is properly declared.
-# gt_CHECK_VAR_DECL(includes,variable)
-AC_DEFUN([gt_CHECK_VAR_DECL],
-[
-  define([gt_cv_var], [gt_cv_var_]$2[_declaration])
-  AC_MSG_CHECKING([if $2 is properly declared])
-  AC_CACHE_VAL(gt_cv_var, [
-    AC_TRY_COMPILE([$1
-      extern struct { int foo; } $2;],
-      [$2.foo = 1;],
-      gt_cv_var=no,
-      gt_cv_var=yes)])
-  AC_MSG_RESULT($gt_cv_var)
-  if test $gt_cv_var = yes; then
-    AC_DEFINE([HAVE_]translit($2, [a-z], [A-Z])[_DECL], 1,
-              [Define if you have the declaration of $2.])
-  fi
-])
-
-# Prerequisites of lib/setenv.c.
-AC_DEFUN([gl_PREREQ_SETENV],
-[
-  AC_REQUIRE([AC_FUNC_ALLOCA])
-  AC_CHECK_HEADERS_ONCE(unistd.h)
-  AC_CHECK_HEADERS(search.h)
-  AC_CHECK_FUNCS(tsearch)
-  gt_CHECK_VAR_DECL([#include <errno.h>], errno)
-  gt_CHECK_VAR_DECL([#include <unistd.h>], environ)
-])
-
-# Prerequisites of lib/unsetenv.c.
-AC_DEFUN([gl_PREREQ_UNSETENV],
-[
-  AC_CHECK_HEADERS_ONCE(unistd.h)
-  gt_CHECK_VAR_DECL([#include <errno.h>], errno)
-  gt_CHECK_VAR_DECL([#include <unistd.h>], environ)
-])