1#############################################################################
2##    Kwave                - cmake/KwaveLibaudiofileSupport.txt
3##                           -------------------
4##    begin                : Tue May 22 2007
5##    copyright            : (C) 2007 by Thomas Eschenbacher
6##    email                : Thomas.Eschenbacher@gmx.de
7#############################################################################
8#
9#############################################################################
10#                                                                           #
11# Redistribution and use in source and binary forms, with or without        #
12# modification, are permitted provided that the following conditions        #
13# are met:                                                                  #
14#                                                                           #
15# 1. Redistributions of source code must retain the above copyright         #
16#    notice, this list of conditions and the following disclaimer.          #
17# 2. Redistributions in binary form must reproduce the above copyright      #
18#    notice, this list of conditions and the following disclaimer in the    #
19#    documentation and/or other materials provided with the distribution.   #
20#                                                                           #
21# For details see the accompanying cmake/COPYING-CMAKE-SCRIPTS file.        #
22#                                                                           #
23#############################################################################
24
25INCLUDE(CheckLibraryExists)
26INCLUDE(FindPkgConfig)
27INCLUDE(UsePkgConfig)
28INCLUDE(CheckTypeSize)
29
30PKG_CHECK_MODULES(LIBAUDIOFILE REQUIRED audiofile>=0.3.0)
31
32#############################################################################
33### check if the system has audiofile.h                                   ###
34
35FIND_PATH(HAVE_AUDIOFILE_H audiofile.h)
36FIND_PATH(HAVE_AFS_VFS_H   af_vfs.h)
37
38#############################################################################
39### system libaudiofile can be used & header exists: check for functions  ###
40
41IF (HAVE_AUDIOFILE_H AND HAVE_AFS_VFS_H)
42    CHECK_LIBRARY_EXISTS(audiofile afOpenVirtualFile ${LIBAUDIOFILE_LIBDIR} HAVE_AF_OPEN_VIRTUAL_FILE)
43ENDIF (HAVE_AUDIOFILE_H AND HAVE_AFS_VFS_H)
44
45# check for compression types
46SET(CMAKE_EXTRA_INCLUDE_FILES "audiofile.h")
47CHECK_TYPE_SIZE("sizeof(AF_COMPRESSION_FLAC)" AF_COMPRESSION_FLAC)
48CHECK_TYPE_SIZE("sizeof(AF_COMPRESSION_ALAC)" AF_COMPRESSION_ALAC)
49SET(CMAKE_EXTRA_INCLUDE_FILES)
50
51#############################################################################
52### some verbose output of the result                                     ###
53
54IF (HAVE_AF_OPEN_VIRTUAL_FILE)
55    # system libaudiofile is ok and will be used
56    MESSAGE(STATUS "Found libaudiofile")
57ELSE (HAVE_AF_OPEN_VIRTUAL_FILE)
58    # system libaudiofile should be used but is not ok -> FAIL
59    MESSAGE(FATAL_ERROR "system libaudiofile is missing or cannot be used")
60ENDIF (HAVE_AF_OPEN_VIRTUAL_FILE)
61
62SET(HAVE_LIBAUDIOFILE ON)
63
64#############################################################################
65#############################################################################
66