From 19d0eb2adcda31d9919bca8fef98cb1871b4ce54 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 14 Sep 2010 19:01:49 +0200
Subject: Add automake and VC++ builds (meta-build)

---
 m4/libtool-link.m4 | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 m4/libtool-link.m4

(limited to 'm4/libtool-link.m4')

diff --git a/m4/libtool-link.m4 b/m4/libtool-link.m4
new file mode 100644
index 0000000..4748520
--- /dev/null
+++ b/m4/libtool-link.m4
@@ -0,0 +1,31 @@
+dnl file      : m4/libtool-link.m4
+dnl author    : Boris Kolpackov <boris@codesynthesis.com>
+dnl copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+dnl license   : MIT; see accompanying LICENSE file
+dnl
+dnl
+dnl CXX_LIBTOOL_LINK_IFELSE (input, [action-if-true], [action-if-false])
+dnl
+dnl Similar to AC_LINK_IFELSE except it uses libtool to perform the
+dnl linking and it does this using the C++ compiler.
+dnl
+AC_DEFUN([CXX_LIBTOOL_LINK_IFELSE],[
+AC_LANG_SAVE
+save_CXX="$CXX"
+CXX="./libtool --tag=CXX --mode=link $CXX -no-install"
+AC_LANG(C++)
+
+if test -d .libs; then
+  delete_libs_dir=no
+else
+  delete_libs_dir=yes
+fi
+
+AC_LINK_IFELSE([$1], [$2], [$3])
+
+if test x"$delete_libs_dir" != xyes; then
+  rm -rf .libs
+fi
+
+CXX="$save_CXX"
+AC_LANG_RESTORE])dnl
-- 
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