1 files changed, 83 insertions, 0 deletions
diff --git a/m4/libodb.m4 b/m4/libodb.m4
new file mode 100644
index 0000000..fb11859
--- /dev/null
+++ b/m4/libodb.m4
@@ -0,0 +1,83 @@
+dnl file      : m4/libodb.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 LIBODB([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
+dnl
+dnl
+AC_DEFUN([LIBODB], [
+libodb_found=no
+
+AC_ARG_WITH(
+  [libodb],
+  [AC_HELP_STRING([--with-libodb=DIR],[location of libodb build directory])],
+  [libodb_dir=${withval}],
+  [libodb_dir=])
+
+AC_MSG_CHECKING([for libodb])
+
+# If libodb_dir was given, add the necessary preprocessor and linker flags.
+#
+if test x"$libodb_dir" != x; then
+  save_CPPFLAGS="$CPPFLAGS"
+  save_LDFLAGS="$LDFLAGS"
+
+  AS_SET_CATFILE([abs_libodb_dir], [$ac_pwd], [$libodb_dir])
+
+  CPPFLAGS="$CPPFLAGS -I$abs_libodb_dir"
+  LDFLAGS="$LDFLAGS -L$abs_libodb_dir/odb"
+fi
+
+save_LIBS="$LIBS"
+LIBS="-lodb $LIBS"
+
+CXX_LIBTOOL_LINK_IFELSE(
+AC_LANG_SOURCE([[
+#include <odb/exception.hxx>
+
+void
+f ()
+{
+}
+
+const char*
+g ()
+{
+  try
+  {
+    f ();
+  }
+  catch (const odb::exception& e)
+  {
+    return e.what ();
+  }
+  return 0;
+}
+
+int
+main ()
+{
+  const char* m (g ());
+  return m != 0;
+}
+]]),
+[libodb_found=yes])
+
+if test x"$libodb_found" = xno; then
+  LIBS="$save_LIBS"
+
+  if test x"$libodb_dir" != x; then
+    CPPFLAGS="$save_CPPFLAGS"
+    LDFLAGS="$save_LDFLAGS"
+  fi
+fi
+
+if test x"$libodb_found" = xyes; then
+  AC_MSG_RESULT([yes])
+  $1
+else
+  AC_MSG_RESULT([no])
+  $2
+fi
+])dnl