/CMakeModules/FindOggVorbis.cmake

 1# - Try to find the OggVorbis libraries
 2# Once done this will define
 3#
 4#  OGGVORBIS_FOUND - system has OggVorbis
 5#  OGGVORBIS_VERSION - set either to 1 or 2
 6#  OGGVORBIS_INCLUDE_DIR - the OggVorbis include directory
 7#  OGGVORBIS_LIBRARIES - The libraries needed to use OggVorbis
 8#  OGG_LIBRARY         - The Ogg library
 9#  VORBIS_LIBRARY      - The Vorbis library
10#  VORBISFILE_LIBRARY  - The VorbisFile library
11#  VORBISENC_LIBRARY   - The VorbisEnc library
12
13# Copyright (c) 2006, Richard Laerkaeng, <richard@goteborg.utfors.se>
14#
15# Redistribution and use is allowed according to the terms of the BSD license.
16# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
17
18
19include (CheckLibraryExists)
20
21find_path(VORBIS_INCLUDE_DIR vorbis/vorbisfile.h)
22find_path(OGG_INCLUDE_DIR ogg/ogg.h)
23
24find_library(OGG_LIBRARY NAMES ogg)
25find_library(VORBIS_LIBRARY NAMES vorbis)
26find_library(VORBISFILE_LIBRARY NAMES vorbisfile)
27find_library(VORBISENC_LIBRARY NAMES vorbisenc)
28
29mark_as_advanced(VORBIS_INCLUDE_DIR OGG_INCLUDE_DIR
30                 OGG_LIBRARY VORBIS_LIBRARY VORBISFILE_LIBRARY VORBISENC_LIBRARY)
31
32
33if (VORBIS_INCLUDE_DIR AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY AND VORBISENC_LIBRARY)
34   set(OGGVORBIS_FOUND TRUE)
35
36   set(OGGVORBIS_LIBRARIES ${OGG_LIBRARY} ${VORBIS_LIBRARY} ${VORBISFILE_LIBRARY} ${VORBISENC_LIBRARY})
37
38   set(_CMAKE_REQUIRED_LIBRARIES_TMP ${CMAKE_REQUIRED_LIBRARIES})
39   set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${OGGVORBIS_LIBRARIES})
40   check_library_exists(vorbis vorbis_bitrate_addblock "" HAVE_LIBVORBISENC2)
41   set(CMAKE_REQUIRED_LIBRARIES ${_CMAKE_REQUIRED_LIBRARIES_TMP})
42
43   if (HAVE_LIBVORBISENC2)
44      set (OGGVORBIS_VERSION 2)
45   else (HAVE_LIBVORBISENC2)
46      set (OGGVORBIS_VERSION 1)
47   endif (HAVE_LIBVORBISENC2)
48
49else (VORBIS_INCLUDE_DIR AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY AND VORBISENC_LIBRARY)
50   set (OGGVORBIS_VERSION)
51   set(OGGVORBIS_FOUND FALSE)
52endif (VORBIS_INCLUDE_DIR AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY AND VORBISENC_LIBRARY)
53
54
55if (OGGVORBIS_FOUND)
56   if (NOT OggVorbis_FIND_QUIETLY)
57      message(STATUS "Found OggVorbis: ${OGGVORBIS_LIBRARIES}")
58   endif (NOT OggVorbis_FIND_QUIETLY)
59else (OGGVORBIS_FOUND)
60   if (OggVorbis_FIND_REQUIRED)
61      message(FATAL_ERROR "Could NOT find OggVorbis libraries")
62   endif (OggVorbis_FIND_REQUIRED)
63   if (NOT OggVorbis_FIND_QUITELY)
64      message(STATUS "Could NOT find OggVorbis libraries")
65   endif (NOT OggVorbis_FIND_QUITELY)
66endif (OGGVORBIS_FOUND)
67
68#check_include_files(vorbis/vorbisfile.h HAVE_VORBISFILE_H)
69#check_library_exists(ogg ogg_page_version "" HAVE_LIBOGG)
70#check_library_exists(vorbis vorbis_info_init "" HAVE_LIBVORBIS)
71#check_library_exists(vorbisfile ov_open "" HAVE_LIBVORBISFILE)
72#check_library_exists(vorbisenc vorbis_info_clear "" HAVE_LIBVORBISENC)
73#check_library_exists(vorbis vorbis_bitrate_addblock "" HAVE_LIBVORBISENC2)
74
75#if (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE AND HAVE_LIBVORBISENC)
76#    message(STATUS "Ogg/Vorbis found")
77#    set (VORBIS_LIBS "-lvorbis -logg")
78#    set (VORBISFILE_LIBS "-lvorbisfile")
79#    set (VORBISENC_LIBS "-lvorbisenc")
80#    set (OGGVORBIS_FOUND TRUE)
81#    if (HAVE_LIBVORBISENC2)
82#        set (HAVE_VORBIS 2)
83#    else (HAVE_LIBVORBISENC2)
84#        set (HAVE_VORBIS 1)
85#    endif (HAVE_LIBVORBISENC2)
86#else (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE AND HAVE_LIBVORBISENC)
87#    message(STATUS "Ogg/Vorbis not found")
88#endif (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE AND HAVE_LIBVORBISENC)
89