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#############################################################################
## Kwave - cmake/KwaveLibaudiofileSupport.txt
## -------------------
## begin : Tue May 22 2007
## copyright : (C) 2007 by Thomas Eschenbacher
## email : Thomas.Eschenbacher@gmx.de
#############################################################################
#
#############################################################################
# #
# Redistribution and use in source and binary forms, with or without #
# modification, are permitted provided that the following conditions #
# are met: #
# #
# 1. Redistributions of source code must retain the above copyright #
# notice, this list of conditions and the following disclaimer. #
# 2. Redistributions in binary form must reproduce the above copyright #
# notice, this list of conditions and the following disclaimer in the #
# documentation and/or other materials provided with the distribution. #
# #
# For details see the accompanying cmake/COPYING-CMAKE-SCRIPTS file. #
# #
#############################################################################
INCLUDE(CheckLibraryExists)
INCLUDE(FindPkgConfig)
INCLUDE(UsePkgConfig)
INCLUDE(CheckTypeSize)
PKG_CHECK_MODULES(LIBAUDIOFILE REQUIRED audiofile>=0.3.0)
#############################################################################
### check if the system has audiofile.h ###
FIND_PATH(HAVE_AUDIOFILE_H audiofile.h)
FIND_PATH(HAVE_AFS_VFS_H af_vfs.h)
#############################################################################
### system libaudiofile can be used & header exists: check for functions ###
IF (HAVE_AUDIOFILE_H AND HAVE_AFS_VFS_H)
CHECK_LIBRARY_EXISTS(audiofile afOpenVirtualFile ${LIBAUDIOFILE_LIBDIR} HAVE_AF_OPEN_VIRTUAL_FILE)
ENDIF (HAVE_AUDIOFILE_H AND HAVE_AFS_VFS_H)
# check for compression types
SET(CMAKE_EXTRA_INCLUDE_FILES "audiofile.h")
CHECK_TYPE_SIZE("sizeof(AF_COMPRESSION_FLAC)" AF_COMPRESSION_FLAC)
CHECK_TYPE_SIZE("sizeof(AF_COMPRESSION_ALAC)" AF_COMPRESSION_ALAC)
SET(CMAKE_EXTRA_INCLUDE_FILES)
#############################################################################
### some verbose output of the result ###
IF (HAVE_AF_OPEN_VIRTUAL_FILE)
# system libaudiofile is ok and will be used
MESSAGE(STATUS "Found libaudiofile")
ELSE (HAVE_AF_OPEN_VIRTUAL_FILE)
# system libaudiofile should be used but is not ok -> FAIL
MESSAGE(FATAL_ERROR "system libaudiofile is missing or cannot be used")
ENDIF (HAVE_AF_OPEN_VIRTUAL_FILE)
SET(HAVE_LIBAUDIOFILE ON)
#############################################################################
#############################################################################
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