From: Stepan Kasal <kasal@ucw.cz>
Date: Sat, 1 Apr 2006 19:48:14 +0000 (+0000)
Subject: _AS_DIRNAME_PREPARE
X-Git-Tag: AUTOCONF-2.59c~101
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0435cce62a48837ace0d916dedbd2550ee0569bc;p=thirdparty%2Fautoconf.git

_AS_DIRNAME_PREPARE
---

diff --git a/lib/m4sugar/m4sh.m4 b/lib/m4sugar/m4sh.m4
index 2c40e646a..efb1518eb 100644
--- a/lib/m4sugar/m4sh.m4
+++ b/lib/m4sugar/m4sh.m4
@@ -743,11 +743,23 @@ m4_defun([AS_DIRNAME_SED],
 	  s/.*/./; q']])
 
 m4_defun([AS_DIRNAME],
-[(dirname $1) 2>/dev/null ||
+[AS_REQUIRE([_$0_PREPARE])dnl
+$as_dirname $1 ||
 AS_DIRNAME_EXPR([$1]) 2>/dev/null ||
 AS_DIRNAME_SED([$1])])
 
 
+# _AS_DIRNAME_PREPARE
+# --------------------
+m4_defun([_AS_DIRNAME_PREPARE],
+[if (dirname /) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
+])# _AS_DIRNAME_PREPARE
+
+
 # AS_EXECUTABLE_P
 # ---------------
 # Check whether a file is executable.