From 9a5504eb87ff887662caad5c8b120272c126c299 Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Mon, 19 May 2003 14:18:41 +0000
Subject: [PATCH] Macro for configure.in from the autoconf macro archive. It
 allows one to define preprocessor definitions for swigconfig.h when the
 #define contains the installation directory. Autoconf won't normally expand
 installation directory variables.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4796 626c5289-ae23-0410-ae9c-e8d60b6d4f22
---
 SWIG/Tools/config/ac_define_dir.m4 | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 SWIG/Tools/config/ac_define_dir.m4

diff --git a/SWIG/Tools/config/ac_define_dir.m4 b/SWIG/Tools/config/ac_define_dir.m4
new file mode 100644
index 000000000..e926be9ed
--- /dev/null
+++ b/SWIG/Tools/config/ac_define_dir.m4
@@ -0,0 +1,12 @@
+dnl Available from the GNU Autoconf Macro Archive at:
+dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_define_dir.html
+dnl
+AC_DEFUN([AC_DEFINE_DIR], [
+  test "x$prefix" = xNONE && prefix="$ac_default_prefix"
+  test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+  ac_define_dir=`eval echo [$]$2`
+  ac_define_dir=`eval echo [$]ac_define_dir`
+  ifelse($3, ,
+    AC_DEFINE_UNQUOTED($1, "$ac_define_dir"),
+    AC_DEFINE_UNQUOTED($1, "$ac_define_dir", $3))
+])