dnl file : m4/libtool-link.m4 dnl author : Boris Kolpackov <boris@codesynthesis.com> dnl copyright : Copyright (c) 2009-2011 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 AC_LANG(C++) if test -d .libs; then delete_libs_dir=no else delete_libs_dir=yes fi AC_COMPILE_IFELSE([$1], [ ac_try='./libtool --tag=CXX --mode=link $CXX -no-install $CXXFLAGS $LDFLAGS -o conftest conftest.$OBJEXT $LIBS >&AS_MESSAGE_LOG_FD' if _AC_DO_VAR(ac_try); then libtool_link_ok=yes else libtool_link_ok=no fi ], [ libtool_link_ok=no ]) if test x"$delete_libs_dir" = xyes; then rm -rf .libs fi if test x"$libtool_link_ok" = xyes; then [$2] : else [$3] : fi AC_LANG_RESTORE])dnl