# CMakeLists.txt for libsndfile

cmake_minimum_required (VERSION 3.0.0)

project (libsndfile)

# We may need these programs so detect them now.

find_program (AUTOGEN autogen)

find_program (AUTOHEADER autoheader)

find_program (GREP grep)

find_program (SED sed)

find_program (WC wc)

include (CMake/file.cmake)

# Duplicate the autoconf/autoheader functionality.

# Get the version number from configure.ac.

execute_process (

	COMMAND ${GREP} ^AC_INIT configure.ac

	COMMAND ${SED} "s/.*libsndfile[^0-9]*//;s/\\].*//"

	OUTPUT_VARIABLE LIB_VERSION

	)

string (STRIP ${LIB_VERSION} LIB_VERSION)

string (REGEX REPLACE "\\..*" "" LIB_VERSION_MAJOR ${LIB_VERSION})

message (STATUS "libsndfile version : ${LIB_VERSION}")

# Generate config.h.in if it does not already exist.

if (NOT (EXISTS "${CMAKE_SOURCE_DIR}/CMakeFiles/config.h.in"))

	if (NOT AUTOHEADER)

		message (FATAL_ERROR "Need autoheader (part of GNU autoconf) to proceed.")

		endif ()

	message (STATUS "Running autoheader to create src/config.h.in")

	execute_process (COMMAND ${AUTOHEADER} WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})

	assert_line_count_non_zero ("${CMAKE_SOURCE_DIR}/src/config.h.in")

	message (STATUS "Post processing src/config.h.in")

	execute_process (

		COMMAND ${SED} -E "s/undef([ \\t]+)([a-zA-Z0-8_]+)/define\\1\\2\\1@\\2@/" src/config.h.in

		COMMAND ${SED} "s/.*_FILE_OFFSET_BITS.*//"

		OUTPUT_FILE ${CMAKE_SOURCE_DIR}/CMakeFiles/config.h.in

		WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}

		)

	execute_process (

		COMMAND ${GREP} -c undef ${CMAKE_SOURCE_DIR}/CMakeFiles/config.h.in

		OUTPUT_VARIABLE undef_count

		)

	if (${undef_count} GREATER 0)

		message (FATAL_ERROR "CMake processing of CMakeFIles/config.h.in has failed.")

		endif ()

	endif ()

assert_line_count_non_zero ("${CMAKE_SOURCE_DIR}/CMakeFiles/config.h.in")

# Use autogen to generate files if they don't already exist.

include (CMake/autogen.cmake)

lsf_autogen (src test_endswap)

lsf_autogen (tests pcm_test)

lsf_autogen (tests utils)

lsf_autogen (tests floating_point_test)

lsf_autogen (tests header_test)

lsf_autogen (tests pipe_test)

lsf_autogen (tests write_read_test)

lsf_autogen (tests scale_clip_test)

lsf_autogen (tests rdwr_test)

lsf_autogen (tests benchmark)

if (DEFINED ENV{CC})

	set (CMAKE_C_COMPILER $ENV{CC})

	endif()

if (DEFINED ENV{CXX})

	set (CMAKE_CXX_COMPILER $ENV{CXX})

	endif()

message (STATUS "System       : ${CMAKE_SYSTEM_NAME}")

message (STATUS "Processor    : ${CMAKE_SYSTEM_PROCESSOR}")

message (STATUS "C compiler   : ${CMAKE_C_COMPILER_ID}")

message (STATUS "C++ compiler : ${CMAKE_CXX_COMPILER_ID}")

#-------------------------------------------------------------------------------

set (PACKAGE \"libsndfile\")

set (PACKAGE_NAME \"libsndfile\")

set (VERSION \"${LIB_VERSION}\")

set (PACKAGE_VERSION \"${LIB_VERSION}\")

set (BASEPATH "${CMAKE_SOURCE_DIR}")

include (CMake/build.cmake)

include (CMake/external_libs.cmake)

include (CMake/libsndfile.cmake)

if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")

	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3 -std=gnu99 -Wall -Wextra" CACHE STRING "" FORCE)

	set (CMAKE_CXX__FLAGS "${CMAKE_C_FLAGS} -O3 -std=gnu99 -Wall -Wextra" CACHE STRING "" FORCE)

	set (COMPILER_IS_GCC 1)

	set (_POSIX_SOURCE 1)

	if (${Werror} MATCHES "on")

		set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror" CACHE STRING "" FORCE)

		endif ()

	endif ()

if (CMAKE_C_COMPILER_ID STREQUAL "MSVC")

	# Untested. Probably does not work. Patches accepted.

	set (CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} /wd4244 /wd4996" CACHE STRING "" FORCE)

	add_definitions ("/wd4244 /wd4996")

	endif ()

# Need to actually detect this.

set (CPU_CLIPS_POSITIVE 0)

set (CPU_CLIPS_NEGATIVE 0)

set (ENABLE_EXPERIMENTAL_CODE 0)

find_external_xiph_libs (HAVE_EXTERNAL_XIPH_LIBS EXTERNAL_XIPH_CFLAGS EXTERNAL_XIPH_LIBS)

#-------------------------------------------------------------------------------

# Project definitions follow.

configure_file (${CMAKE_SOURCE_DIR}/src/sndfile.h.in ${CMAKE_SOURCE_DIR}/src/sndfile.h)

configure_file (${CMAKE_SOURCE_DIR}/CMakeFiles/config.h.in ${CMAKE_SOURCE_DIR}/src/config.h)

include_directories (src)

set (libsndfile_sources

	src/ALAC/ALACBitUtilities.c

	src/ALAC/ag_dec.c

	src/ALAC/ag_enc.c

	src/ALAC/alac_decoder.c

	src/ALAC/alac_encoder.c

	src/ALAC/dp_dec.c

	src/ALAC/dp_enc.c

	src/ALAC/matrix_dec.c

	src/ALAC/matrix_enc.c

	src/G72x/g721.c

	src/G72x/g723_16.c

	src/G72x/g723_24.c

	src/G72x/g723_40.c

	src/G72x/g72x.c

	src/G72x/g72x_test.c

	src/GSM610/add.c

	src/GSM610/code.c

	src/GSM610/decode.c

	src/GSM610/gsm_create.c

	src/GSM610/gsm_decode.c

	src/GSM610/gsm_destroy.c

	src/GSM610/gsm_encode.c

	src/GSM610/gsm_option.c

	src/GSM610/long_term.c

	src/GSM610/lpc.c

	src/GSM610/preprocess.c

	src/GSM610/rpe.c

	src/GSM610/short_term.c

	src/GSM610/table.c

	src/aiff.c

	src/alac.c

	src/alaw.c

	src/au.c

	src/audio_detect.c

	src/avr.c

	src/broadcast.c

	src/caf.c

	src/cart.c

	src/chanmap.c

	src/chunk.c

	src/command.c

	src/common.c

	src/dither.c

	src/double64.c

	src/dwd.c

	src/dwvw.c

	src/file_io.c

	src/flac.c

	src/float32.c

	src/g72x.c

	src/gsm610.c

	src/htk.c

	src/id3.c

	src/ima_adpcm.c

	src/ima_oki_adpcm.c

	src/interleave.c

	src/ircam.c

	src/macos.c

	src/mat4.c

	src/mat5.c

	src/mpc2k.c

	src/ms_adpcm.c

	src/nist.c

	src/ogg.c

	src/ogg_opus.c

	src/ogg_pcm.c

	src/ogg_speex.c

	src/ogg_vorbis.c

	src/paf.c

	src/pcm.c

	src/pvf.c

	src/raw.c

	src/rf64.c

	src/rx2.c

	src/sd2.c

	src/sds.c

	src/sndfile.c

	src/strings.c

	src/svx.c

	src/txw.c

	src/ulaw.c

	src/voc.c

	src/vox_adpcm.c

	src/w64.c

	src/wav.c

	src/wavlike.c

	src/windows.c

	src/wve.c

	src/xi.c

	)

add_library (sndfile SHARED

	${libsndfile_sources}

	)

target_link_libraries (sndfile LINK_PRIVATE ${EXTERNAL_XIPH_LIBS} LINK_PUBLIC m)

set_target_properties (sndfile

	PROPERTIES

	VERSION ${LIB_VERSION}

	SOVERSION ${LIB_VERSION_MAJOR}

	LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/src

	)

#-------------------------------------------------------------------------------

# Programs.

lsf_build_program (sndfile-cmp)

lsf_build_program (sndfile-concat)

lsf_build_program (sndfile-convert)

lsf_build_program (sndfile-deinterleave)

lsf_build_program (sndfile-info)

lsf_build_program (sndfile-interleave)

lsf_build_program (sndfile-metadata-get)

lsf_build_program (sndfile-metadata-set)

lsf_build_program (sndfile-salvage)

lsf_build_program_extra (sndfile-play asound)

#-------------------------------------------------------------------------------

# Tests.

configure_file (${CMAKE_SOURCE_DIR}/tests/test_wrapper.sh.in ${CMAKE_SOURCE_DIR}/tests/test_wrapper.sh)

configure_file (${CMAKE_SOURCE_DIR}/tests/pedantic-header-test.sh.in ${CMAKE_SOURCE_DIR}/tests/pedantic-header-test.sh)

add_custom_target (check

	COMMAND src/test_main && bash tests/test_wrapper.sh

	DEPENDS src/test_main tests/test_wrapper.sh

	)

# Tests from the src/ directory.

set (src_test_sources

	src/audio_detect.c

	src/broadcast.c

	src/cart.c

	src/common.c

	src/double64.c

	src/file_io.c

	src/float32.c

	src/test_audio_detect.c

	src/test_broadcast_var.c

	src/test_cart_var.c

	src/test_conversions.c

	src/test_endswap.c

	src/test_file_io.c

	src/test_float.c

	src/test_ima_oki_adpcm.c

	src/test_log_printf.c

	src/test_strncpy_crlf.c

	)

lsf_build_src_test_c (test_main "${src_test_sources}")

# Tests from the tests/ directory.

lsf_build_test_c (aiff_rw_test "")

lsf_build_test_c (alaw_test "")

lsf_build_test_c (benchmark "")

lsf_build_test_c (channel_test "")

lsf_build_test_c (checksum_test "")

lsf_build_test_c (chunk_test "")

lsf_build_test_c (command_test "")

lsf_build_test_c (compression_size_test "")

lsf_build_test_cc (cpp_test "")

lsf_build_test_c (dither_test "")

lsf_build_test_c (dwvw_test "")

lsf_build_test_c (error_test "")

lsf_build_test_c (external_libs_test "")

lsf_build_test_c (fix_this "")

lsf_build_test_c (floating_point_test "tests/dft_cmp.c")

lsf_build_test_c (format_check_test "")

lsf_build_test_c (headerless_test "")

lsf_build_test_c (header_test "")

lsf_build_test_c (largefile_test "")

lsf_build_test_c (locale_test "")

lsf_build_test_c (lossy_comp_test "")

lsf_build_test_c (long_read_write_test "")

lsf_build_test_c (misc_test "")

lsf_build_test_c (multi_file_test "")

lsf_build_test_c (ogg_test "")

lsf_build_test_c (pcm_test "")

lsf_build_test_c (peak_chunk_test "")

lsf_build_test_c (pipe_test "")

lsf_build_test_c (raw_test "")

lsf_build_test_c (rdwr_test "")

lsf_build_test_c (scale_clip_test "")

lsf_build_test_c (sfversion "")

lsf_build_test_c (stdin_test "")

lsf_build_test_c (stdio_test "")

lsf_build_test_c (stdout_test "")

lsf_build_test_c (string_test "")

lsf_build_test_c (ulaw_test "")

lsf_build_test_c (virtual_io_test "")

lsf_build_test_c (win32_ordinal_test "")

lsf_build_test_c (win32_test "")

lsf_build_test_c (write_read_test "tests/generate.c")