CMake: Fix config.h: No such file or directory

Signed-off-by: Marc Lagrange <markocpc@gmail.com>

src/config.h.in

@@ -0,0 +1,45 @@
+/*
+*      config.h
+*      Copyright © 2008 Martin Duquesnoy <xorg62@gmail.com>
+*      All rights reserved.
+*
+*      Redistribution and use in source and binary forms, with or without
+*      modification, are permitted provided that the following conditions are
+*      met:
+*
+*      * Redistributions of source code must retain the above copyright
+*        notice, this list of conditions and the following disclaimer.
+*      * Redistributions in binary form must reproduce the above
+*        copyright notice, this list of conditions and the following disclaimer
+*        in the documentation and/or other materials provided with the
+*        distribution.
+*      * Neither the name of the  nor the names of its
+*        contributors may be used to endorse or promote products derived from
+*        this software without specific prior written permission.
+*
+*      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+*      "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+*      LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+*      A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+*      OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+*      SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+*      LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+*      DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+*      THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+*      (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+*      OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include "wmfs.h"
+
+#define WMFS_VERSION            "@WMFS_VERSION@"
+#define WMFS_COMPILE_MACHINE    "@WMFS_COMPILE_MACHINE@"
+#define WMFS_COMPILE_BY         "@WMFS_COMPILE_BY@"
+#define WMFS_COMPILE_FLAGS      "@WMFS_COMPILE_FLAGS@"
+#define WMFS_LINKED_LIBS        "@WMFS_LINKED_LIBS@"
+#define XDG_CONFIG_DIR          "@XDG_CONFIG_DIR@"
+
+#endif /* CONFIG_H */