New module 'getsubopt'.

[gnulib.git] / m4 / getsubopt.m4

diff --git a/m4/getsubopt.m4 b/m4/getsubopt.m4
new file mode 100644 (file)
index 0000000..9b87e7c
--- /dev/null
+++ b/m4/getsubopt.m4
@@ -0,0 +1,21 @@
+# getsubopt.m4 serial 1
+dnl Copyright (C) 2004 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([gl_FUNC_GETSUBOPT],
+[
+  dnl Persuade glibc <stdlib.h> to declare getsubopt().
+  AC_REQUIRE([AC_GNU_SOURCE])
+
+  AC_REPLACE_FUNCS(getsubopt)
+  if test $ac_cv_func_getsubopt = no; then
+    gl_PREREQ_GETSUBOPT
+  fi
+])
+
+# Prerequisites of lib/getsubopt.c.
+AC_DEFUN([gl_PREREQ_GETSUBOPT], [:])