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70 lines
2.9 KiB
CMake
70 lines
2.9 KiB
CMake
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# Alsa check, based on libkmid/configure.in.in.
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# Only the support for Alsa >= 0.9.x was included; 0.5.x was dropped (but feel free to re-add it if you need it)
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# It defines ...
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# It offers the following macros:
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# ALSA_CONFIGURE_FILE(config_header) - generate a config.h, typical usage:
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# ALSA_CONFIGURE_FILE(${CMAKE_BINARY_DIR}/config-alsa.h)
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# ALSA_VERSION_STRING(version_string) looks for alsa/version.h and reads the version string into
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# the first argument passed to the macro
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# Copyright (c) 2006, David Faure, <faure@kde.org>
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# Copyright (c) 2007, Matthias Kretz <kretz@kde.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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include(CheckIncludeFiles)
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include(CheckIncludeFileCXX)
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include(CheckLibraryExists)
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# Already done by toplevel
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find_library(ASOUND_LIBRARY asound)
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set(ASOUND_LIBRARY_DIR "")
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if(ASOUND_LIBRARY)
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get_filename_component(ASOUND_LIBRARY_DIR ${ASOUND_LIBRARY} PATH)
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endif(ASOUND_LIBRARY)
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check_library_exists(asound snd_seq_create_simple_port "${ASOUND_LIBRARY_DIR}" HAVE_LIBASOUND2)
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if(HAVE_LIBASOUND2)
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message(STATUS "Found ALSA: ${ASOUND_LIBRARY}")
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else(HAVE_LIBASOUND2)
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message(STATUS "ALSA not found")
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endif(HAVE_LIBASOUND2)
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set(ALSA_FOUND ${HAVE_LIBASOUND2})
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find_path(ALSA_INCLUDES alsa/version.h)
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macro(ALSA_VERSION_STRING _result)
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# check for version in alsa/version.h
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if(ALSA_INCLUDES)
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file(READ "${ALSA_INCLUDES}/alsa/version.h" _ALSA_VERSION_CONTENT)
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string(REGEX REPLACE ".*SND_LIB_VERSION_STR.*\"(.*)\".*" "\\1" ${_result} "${_ALSA_VERSION_CONTENT}")
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else(ALSA_INCLUDES)
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message(STATUS "ALSA version not known. ALSA output will probably not work correctly.")
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endif(ALSA_INCLUDES)
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endmacro(ALSA_VERSION_STRING _result)
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get_filename_component(_FIND_ALSA_MODULE_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
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macro(ALSA_CONFIGURE_FILE _destFile)
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check_include_files(sys/soundcard.h HAVE_SYS_SOUNDCARD_H)
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check_include_files(machine/soundcard.h HAVE_MACHINE_SOUNDCARD_H)
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check_include_files(linux/awe_voice.h HAVE_LINUX_AWE_VOICE_H)
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check_include_files(awe_voice.h HAVE_AWE_VOICE_H)
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check_include_files(/usr/src/sys/i386/isa/sound/awe_voice.h HAVE__USR_SRC_SYS_I386_ISA_SOUND_AWE_VOICE_H)
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check_include_files(/usr/src/sys/gnu/i386/isa/sound/awe_voice.h HAVE__USR_SRC_SYS_GNU_I386_ISA_SOUND_AWE_VOICE_H)
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check_include_file_cxx(sys/asoundlib.h HAVE_SYS_ASOUNDLIB_H)
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check_include_file_cxx(alsa/asoundlib.h HAVE_ALSA_ASOUNDLIB_H)
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check_library_exists(asound snd_pcm_resume "${ASOUND_LIBRARY_DIR}" ASOUND_HAS_SND_PCM_RESUME)
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if(ASOUND_HAS_SND_PCM_RESUME)
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set(HAVE_SND_PCM_RESUME 1)
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endif(ASOUND_HAS_SND_PCM_RESUME)
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configure_file(${_FIND_ALSA_MODULE_DIR}/config-alsa.h.cmake ${_destFile})
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endmacro(ALSA_CONFIGURE_FILE _destFile)
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mark_as_advanced(ALSA_INCLUDES ASOUND_LIBRARY)
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