libfdt: Conditionally compile based on CONFIG_OF_LIBFDT

This is the way u-boot reduces configured-out code.  At Wolfgang
Grandegger and Wolfgang Denk's request, make libfdt conform.

Signed-off-by: Gerald Van Baren <vanbaren@cideas.com>

libfdt/fdt.c

@@ -16,6 +16,9 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
+#include "config.h"
+#if CONFIG_OF_LIBFDT
+
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -83,3 +86,5 @@ int fdt_move(const void *fdt, void *buf, int bufsize)
 	memmove(buf, fdt, fdt_totalsize(fdt));
 	return 0;
 }
+
+#endif /* CONFIG_OF_LIBFDT */

libfdt/fdt_ro.c

@@ -16,6 +16,9 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
+#include "config.h"
+#if CONFIG_OF_LIBFDT
+
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -400,3 +403,6 @@ int fdt_get_reservemap(void *fdt, int n, struct fdt_reserve_entry *re)
 	}
 	return 0;
 }
+
+#endif /* CONFIG_OF_LIBFDT */
+

libfdt/fdt_rw.c

@@ -16,6 +16,9 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
+#include "config.h"
+#if CONFIG_OF_LIBFDT
+
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -291,3 +294,5 @@ int fdt_pack(void *fdt)
 	fdt_set_header(fdt, totalsize, _blob_data_size(fdt));
 	return 0;
 }
+
+#endif /* CONFIG_OF_LIBFDT */

libfdt/fdt_strerror.c

@@ -16,6 +16,9 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
+#include "config.h"
+#if CONFIG_OF_LIBFDT
+
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -62,3 +65,5 @@ const char *fdt_strerror(int errval)
 
 	return "<unknown error>";
 }
+
+#endif /* CONFIG_OF_LIBFDT */

libfdt/fdt_sw.c

@@ -16,6 +16,9 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
+#include "config.h"
+#if CONFIG_OF_LIBFDT
+
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -224,3 +227,5 @@ int fdt_finish(void *fdt)
 	fdt_set_header(fdt, magic, FDT_MAGIC);
 	return 0;
 }
+
+#endif /* CONFIG_OF_LIBFDT */

libfdt/fdt_wip.c

@@ -16,6 +16,9 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
+#include "config.h"
+#if CONFIG_OF_LIBFDT
+
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -135,3 +138,5 @@ int fdt_replace_reservemap_entry(void *fdt, int n, uint64_t addr, uint64_t size)
 
 	return 0;
 }
+
+#endif /* CONFIG_OF_LIBFDT */