cmake_modules/FindOggVorbis.cmake
changeset 2214 eacb5b19d587
parent 2211 288360b78f30
child 2336 66c751f7a28e
--- a/cmake_modules/FindOggVorbis.cmake	Tue Jun 30 12:31:32 2009 +0000
+++ b/cmake_modules/FindOggVorbis.cmake	Tue Jun 30 14:59:25 2009 +0000
@@ -1,23 +1,72 @@
-FIND_PATH(VORBIS_INCLUDE_DIR vorbis/vorbisfile.h)
-FIND_PATH(OGG_INCLUDE_DIR ogg/ogg.h)
+### SuperTux - Removed unused vorbisenc library
 
-FIND_LIBRARY(OGG_LIBRARY NAMES ogg)
-
-FIND_LIBRARY(VORBIS_LIBRARY NAMES vorbis)
-FIND_LIBRARY(VORBISFILE_LIBRARY NAMES vorbisfile)
+# - Try to find the OggVorbis libraries
+# Once done this will define
+#
+#  OGGVORBIS_FOUND - system has OggVorbis
+#  OGGVORBIS_VERSION - set either to 1 or 2
+#  OGGVORBIS_INCLUDE_DIR - the OggVorbis include directory
+#  OGGVORBIS_LIBRARIES - The libraries needed to use OggVorbis
+#  OGG_LIBRARY         - The Ogg library
+#  VORBIS_LIBRARY      - The Vorbis library
+#  VORBISFILE_LIBRARY  - The VorbisFile library
+# Copyright (c) 2006, Richard Laerkaeng, <richard@goteborg.utfors.se>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
 
-IF(VORBIS_INCLUDE_DIR AND OGG_LIBRARY AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY)
-    SET(OGGVORBIS_FOUND TRUE)
-    SET(OGGVORBIS_LIBRARIES ${OGG_LIBRARY} ${VORBIS_LIBRARY} ${VORBISFILE_LIBRARY})
-    SET(OGGVORBIS_INCLUDE_DIRS ${VORBIS_INCLUDE_DIR} ${OGG_INCLUDE_DIR})
-ELSE(VORBIS_INCLUDE_DIR AND OGG_LIBRARY AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY)
-    SET(OGGVORBIS_FOUND FALSE)
-ENDIF(VORBIS_INCLUDE_DIR AND OGG_LIBRARY AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY)
-
-IF(OGGVORBIS_FOUND)
-    MESSAGE(STATUS "Found OggVorbis: ${OGGVORBIS_LIBRARIES}")
-ELSE(OGGVORBIS_FOUND)
-    MESSAGE(FATAL_ERROR "Could NOT find Ogg and/or Vorbis - Visit xiph.org and download latest version")
-ENDIF(OGGVORBIS_FOUND)
+include (CheckLibraryExists)
+find_path(VORBIS_INCLUDE_DIR vorbis/vorbisfile.h)
+find_library(OGG_LIBRARY NAMES ogg)
+find_library(VORBIS_LIBRARY NAMES vorbis)
+find_library(VORBISFILE_LIBRARY NAMES vorbisfile)
+if (VORBIS_INCLUDE_DIR AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY)
+   set(OGGVORBIS_FOUND TRUE)
+#  [sommer] (for SuperTux) reversed order of libraries, so that cmake 2.4.5 for Windows generates an MSYS Makefile that will link correctly
+#  set(OGGVORBIS_LIBRARIES ${OGG_LIBRARY} ${VORBIS_LIBRARY} ${VORBISFILE_LIBRARY})
+   set(OGGVORBIS_LIBRARIES ${VORBISFILE_LIBRARY} ${VORBIS_LIBRARY} ${OGG_LIBRARY})
+   set(_CMAKE_REQUIRED_LIBRARIES_TMP ${CMAKE_REQUIRED_LIBRARIES})
+   set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${OGGVORBIS_LIBRARIES})
+   check_library_exists(vorbis vorbis_bitrate_addblock "" HAVE_LIBVORBISENC2)
+   set(CMAKE_REQUIRED_LIBRARIES ${_CMAKE_REQUIRED_LIBRARIES_TMP})
+   if (HAVE_LIBVORBISENC2)
+      set (OGGVORBIS_VERSION 2)
+   else (HAVE_LIBVORBISENC2)
+      set (OGGVORBIS_VERSION 1)
+   endif (HAVE_LIBVORBISENC2)
+else (VORBIS_INCLUDE_DIR AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY)
+   set (OGGVORBIS_VERSION)
+   set(OGGVORBIS_FOUND FALSE)
+endif (VORBIS_INCLUDE_DIR AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY)
+if (OGGVORBIS_FOUND)
+   if (NOT OggVorbis_FIND_QUIETLY)
+      message(STATUS "Found OggVorbis: ${OGGVORBIS_LIBRARIES}")
+   endif (NOT OggVorbis_FIND_QUIETLY)
+else (OGGVORBIS_FOUND)
+   if (OggVorbis_FIND_REQUIRED)
+      message(FATAL_ERROR "Could NOT find OggVorbis libraries")
+   endif (OggVorbis_FIND_REQUIRED)
+   if (NOT OggVorbis_FIND_QUIETLY)
+      message(STATUS "Could NOT find OggVorbis libraries")
+   endif (NOT OggVorbis_FIND_QUIETLY)
+endif (OGGVORBIS_FOUND)
+#check_include_files(vorbis/vorbisfile.h HAVE_VORBISFILE_H)
+#check_library_exists(ogg ogg_page_version "" HAVE_LIBOGG)
+#check_library_exists(vorbis vorbis_info_init "" HAVE_LIBVORBIS)
+#check_library_exists(vorbisfile ov_open "" HAVE_LIBVORBISFILE)
+#check_library_exists(vorbis vorbis_bitrate_addblock "" HAVE_LIBVORBISENC2)
+#if (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE)
+#    message(STATUS "Ogg/Vorbis found")
+#    set (VORBIS_LIBS "-lvorbis -logg")
+#    set (VORBISFILE_LIBS "-lvorbisfile")
+#    set (OGGVORBIS_FOUND TRUE)
+#    if (HAVE_LIBVORBISENC2)
+#        set (HAVE_VORBIS 2)
+#    else (HAVE_LIBVORBISENC2)
+#        set (HAVE_VORBIS 1)
+#    endif (HAVE_LIBVORBISENC2)
+#else (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE)
+#    message(STATUS "Ogg/Vorbis not found")
+#endif (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE)