X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Freadlink.m4;h=1c347a0c9aea01c66c530eb37127403b88ed8847;hb=48ee8b2ef2165371632bc30c5f183f64d1e7f50e;hp=083456551629f05711ee59dca89b958db694b0a7;hpb=d52c5b93a562113d859c264bbb92f5c0b8c5ae77;p=gnulib.git

diff --git a/m4/readlink.m4 b/m4/readlink.m4
index 083456551..1c347a0c9 100644
--- a/m4/readlink.m4
+++ b/m4/readlink.m4
@@ -1,4 +1,4 @@
-# readlink.m4 serial 3
+# readlink.m4 serial 4
 dnl Copyright (C) 2003, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,7 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 AC_DEFUN([gl_FUNC_READLINK],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
-  AC_CHECK_FUNCS(readlink)
+  AC_CHECK_FUNCS_ONCE([readlink])
   if test $ac_cv_func_readlink = no; then
     HAVE_READLINK=0
     AC_LIBOBJ(readlink)
@@ -15,6 +15,13 @@ AC_DEFUN([gl_FUNC_READLINK],
   fi
 ])
 
+# Like gl_FUNC_READLINK, except prepare for separate compilation (no AC_LIBOBJ).
+AC_DEFUN([gl_FUNC_READLINK_SEPARATE],
+[
+  AC_CHECK_FUNCS_ONCE([readlink])
+  gl_PREREQ_READLINK
+])
+
 # Prerequisites of lib/readlink.c.
 AC_DEFUN([gl_PREREQ_READLINK],
 [