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-rw-r--r--m4/libtool-link.m431
1 files changed, 31 insertions, 0 deletions
diff --git a/m4/libtool-link.m4 b/m4/libtool-link.m4
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+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 : GNU GPL v2; 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