1 files changed, 47 insertions, 0 deletions

diff --git a/src/libgrecs.m4 b/src/libgrecs.m4
new file mode 100644
index 0000000..88ce312
--- /dev/null
+++ b/src/libgrecs.m4
@@ -0,0 +1,47 @@
+# libgrecs.m4 serial 1
+dnl This file is part of Grecs
+dnl Copyright (C) 2007, 2009-2011 Sergey Poznyakoff
+dnl
+dnl Grecs is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3, or (at your option)
+dnl any later version.
+dnl
+dnl Grecs is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with Grecs.  If not, see <http://www.gnu.org/licenses/>.
+
+dnl AM_LIBGRECS([minversion],[if-found],[if-notfound])
+AC_DEFUN([AM_LIBGRECS],[
+ cv_libgrecs=no
+ save_LIBS=$LIBS
+ AC_CHECK_LIB([grecs],[grecs_parse],
+   [AC_CHECK_HEADER([grecs.h], [cv_libgrecs=yes])])
+ if test "$cv_libgrecs" = "yes"; then
+   LIBS="$save_LIBS -lgrecs"
+   m4_if($1,,,[
+     AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
+       #include <grecs.h>
+       ]],
+       [exit(grecs_version_cmp("[libgrecs ]$1"));])],
+       [],
+       [cv_libgrecs=no])])
+   if test "$cv_libgrecs" = "yes"; then
+     m4_if($2,,[
+       AC_DEFINE([HAVE_GRECS_H],[1],
+                 [Define if <grecs.h> is available])
+       AC_DEFINE([HAVE_LIBGRECS],[1],
+                 [Define if libgrecs is available])
+       save_LIBS=$LIBS
+      ],[
+       $2])
+    else
+     m4_if($3,,:,[$3])
+    fi
+    LIBS=$save_LIBS
+  fi
+  ])