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# SPDX-FileCopyrightText: 2006 Richard Laerkaeng <richard@goteborg.utfors.se>
14# SPDX-License-Identifier: BSD-3-Clause
15
16include (CheckLibraryExists)
17
18find_path(VORBIS_INCLUDE_DIR vorbis/vorbisfile.h)
19find_path(OGG_INCLUDE_DIR ogg/ogg.h)
20
21find_library(OGG_LIBRARY NAMES ogg)
22find_library(VORBIS_LIBRARY NAMES vorbis)
23find_library(VORBISFILE_LIBRARY NAMES vorbisfile)
24find_library(VORBISENC_LIBRARY NAMES vorbisenc)
25
26mark_as_advanced(VORBIS_INCLUDE_DIR OGG_INCLUDE_DIR
27                 OGG_LIBRARY VORBIS_LIBRARY VORBISFILE_LIBRARY VORBISENC_LIBRARY)
28
29
30if (VORBIS_INCLUDE_DIR AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY AND VORBISENC_LIBRARY)
31
32   set(OGGVORBIS_LIBRARIES ${OGG_LIBRARY} ${VORBIS_LIBRARY} ${VORBISFILE_LIBRARY} ${VORBISENC_LIBRARY})
33
34   set(_CMAKE_REQUIRED_LIBRARIES_TMP ${CMAKE_REQUIRED_LIBRARIES})
35   set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${OGGVORBIS_LIBRARIES})
36   check_library_exists(vorbis vorbis_bitrate_addblock "" HAVE_LIBVORBISENC2)
37   set(CMAKE_REQUIRED_LIBRARIES ${_CMAKE_REQUIRED_LIBRARIES_TMP})
38
39   if (HAVE_LIBVORBISENC2)
40      set (OGGVORBIS_VERSION 2)
41   else (HAVE_LIBVORBISENC2)
42      set (OGGVORBIS_VERSION 1)
43   endif (HAVE_LIBVORBISENC2)
44
45endif (VORBIS_INCLUDE_DIR AND VORBIS_LIBRARY AND VORBISFILE_LIBRARY AND VORBISENC_LIBRARY)
46
47
48include(FindPackageHandleStandardArgs)
49find_package_handle_standard_args(OggVorbis REQUIRED_VARS VORBIS_LIBRARY OGG_LIBRARY VORBISFILE_LIBRARY VORBISENC_LIBRARY
50                                                          VORBIS_INCLUDE_DIR OGG_INCLUDE_DIR)
51
52#check_include_files(vorbis/vorbisfile.h HAVE_VORBISFILE_H)
53#check_library_exists(ogg ogg_page_version "" HAVE_LIBOGG)
54#check_library_exists(vorbis vorbis_info_init "" HAVE_LIBVORBIS)
55#check_library_exists(vorbisfile ov_open "" HAVE_LIBVORBISFILE)
56#check_library_exists(vorbisenc vorbis_info_clear "" HAVE_LIBVORBISENC)
57#check_library_exists(vorbis vorbis_bitrate_addblock "" HAVE_LIBVORBISENC2)
58
59#if (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE AND HAVE_LIBVORBISENC)
60#    message(STATUS "Ogg/Vorbis found")
61#    set (VORBIS_LIBS "-lvorbis -logg")
62#    set (VORBISFILE_LIBS "-lvorbisfile")
63#    set (VORBISENC_LIBS "-lvorbisenc")
64#    set (OGGVORBIS_FOUND TRUE)
65#    if (HAVE_LIBVORBISENC2)
66#        set (HAVE_VORBIS 2)
67#    else (HAVE_LIBVORBISENC2)
68#        set (HAVE_VORBIS 1)
69#    endif (HAVE_LIBVORBISENC2)
70#else (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE AND HAVE_LIBVORBISENC)
71#    message(STATUS "Ogg/Vorbis not found")
72#endif (HAVE_LIBOGG AND HAVE_VORBISFILE_H AND HAVE_LIBVORBIS AND HAVE_LIBVORBISFILE AND HAVE_LIBVORBISENC)
73
74