ref: c401f21bf1ceab9d811cb6a510926f7609258fc4
dir: /CMakeLists.txt/
cmake_minimum_required(VERSION 3.1)
include(opus_functions.cmake)
get_library_version(OPUS_LIBRARY_VERSION OPUS_LIBRARY_VERSION_MAJOR)
message(STATUS "Opus library version: ${OPUS_LIBRARY_VERSION}")
get_package_version(PACKAGE_VERSION)
message(STATUS "Opus package version: ${PACKAGE_VERSION}")
string(REGEX
REPLACE "^([0-9]+.[0-9]+\\.?([0-9]+)?).*"
"\\1"
PROJECT_VERSION
${PACKAGE_VERSION})
message(STATUS "Opus project version: ${PROJECT_VERSION}")
project(Opus LANGUAGES C VERSION ${PROJECT_VERSION})
include(opus_buildtype.cmake)
option(OPUS_BUILD_SHARED_LIBRARY "Build shared library" OFF)
option(OPUS_STACK_PROTECTOR "Use stack protection" ON)
option(OPUS_USE_ALLOCA "Use alloca for stack arrays (on non-C99 compilers)" OFF)
option(OPUS_CUSTOM_MODES "Enable non-Opus modes, e.g. 44.1 kHz & 2^n frames"
OFF)
option(OPUS_BUILD_PROGRAMS "Build programs" OFF)
option(OPUS_BUILD_TESTING "Build tests" OFF)
option(OPUS_FIXED_POINT
"Compile as fixed-point (for machines without a fast enough FPU)" OFF)
option(OPUS_ENABLE_FLOAT_API
"Compile with the floating point API (for machines with float library"
ON)
option(OPUS_INSTALL_PKG_CONFIG_MODULE "Install PkgConfig module" ON)
option(OPUS_INSTALL_CMAKE_CONFIG_MODULE "Install CMake package config module"
ON)
include(opus_config.cmake)
include(opus_sources.cmake)
include(GNUInstallDirs)
include(CMakeDependentOption)
include(FeatureSummary)
if(OPUS_BUILD_SHARED_LIBRARY OR BUILD_SHARED_LIBS)
# Global flag to cause add_library() to create shared libraries if on.
set(BUILD_SHARED_LIBS ON)
set(OPUS_BUILD_SHARED_LIBRARY ON)
endif()
if(OPUS_BUILD_TESTING OR BUILD_TESTING)
set(OPUS_BUILD_TESTING ON)
set(BUILD_TESTING ON)
endif()
if(OPUS_STACK_PROTECTOR)
if(NOT MSVC) # GC on by default on MSVC
check_and_set_flag(STACK_PROTECTION_STRONG -fstack-protector-strong)
endif()
else()
if(MSVC)
check_and_set_flag(BUFFER_SECURITY_CHECK /GS-)
endif()
endif()
if(OPUS_CPU_X86 OR OPUS_CPU_X64)
cmake_dependent_option(OPUS_X86_MAY_HAVE_SSE
"Does runtime check for SSE1 support"
ON
"SSE1_SUPPORTED"
OFF)
cmake_dependent_option(OPUS_X86_MAY_HAVE_SSE2
"Does runtime check for SSE2 support"
ON
"SSE2_SUPPORTED"
OFF)
cmake_dependent_option(OPUS_X86_MAY_HAVE_SSE4_1
"Does runtime check for SSE4.1 support"
ON
"SSE4_1_SUPPORTED"
OFF)
cmake_dependent_option(OPUS_X86_MAY_HAVE_AVX
"Does runtime check for AVX support"
ON
"AVX_SUPPORTED"
OFF)
# PRESUME depends on MAY HAVE, but PRESUME will override runtime detection
if(OPUS_CPU_X64) # Assume 64 bit has SSE2 support
cmake_dependent_option(OPUS_X86_PRESUME_SSE
"Assume target CPU has SSE1 support"
ON
"OPUS_X86_MAY_HAVE_SSE"
OFF)
cmake_dependent_option(OPUS_X86_PRESUME_SSE2
"Assume target CPU has SSE2 support"
ON
"OPUS_X86_MAY_HAVE_SSE2"
OFF)
else()
cmake_dependent_option(OPUS_X86_PRESUME_SSE
"Assume target CPU has SSE1 support"
OFF
"OPUS_X86_MAY_HAVE_SSE"
OFF)
cmake_dependent_option(OPUS_X86_PRESUME_SSE2
"Assume target CPU has SSE2 support"
OFF
"OPUS_X86_MAY_HAVE_SSE2"
OFF)
endif()
cmake_dependent_option(OPUS_X86_PRESUME_SSE4_1
"Assume target CPU has SSE4.1 support"
OFF
"OPUS_X86_MAY_HAVE_SSE4_1"
OFF)
cmake_dependent_option(OPUS_X86_PRESUME_AVX
"Assume target CPU has AVX support"
OFF
"OPUS_X86_MAY_HAVE_AVX"
OFF)
endif()
set_package_properties(Git
PROPERTIES
TYPE
REQUIRED
DESCRIPTION
"fast, scalable, distributed revision control system"
URL
"https://git-scm.com/"
PURPOSE
"required to set up package version")
add_feature_info(BUILD_SHARED_LIBRARY OPUS_BUILD_SHARED_LIBRARY "Build shared library")
add_feature_info(STACK_PROTECTOR OPUS_STACK_PROTECTOR "Use stack protection")
add_feature_info(USE_ALLOCA OPUS_USE_ALLOCA
"Use alloca for stack arrays (on non-C99 compilers)")
add_feature_info(CUSTOM_MODES OPUS_CUSTOM_MODES
"Enable non-Opus modes, e.g. 44.1 kHz & 2^n frames")
add_feature_info(BUILD_TESTING OPUS_BUILD_TESTING "Build test programs")
add_feature_info(BUILD_PROGRAMS OPUS_BUILD_PROGRAMS "Build programs")
add_feature_info(
FIXED_POINT OPUS_FIXED_POINT
"compile as fixed-point (for machines without a fast enough FPU)")
add_feature_info(
FLOAT_API OPUS_ENABLE_FLOAT_API
"compile with the floating point API (for machines with float library)")
add_feature_info(INSTALL_PKG_CONFIG_MODULE OPUS_INSTALL_PKG_CONFIG_MODULE
"install PkgConfig module")
add_feature_info(INSTALL_CMAKE_CONFIG_MODULE OPUS_INSTALL_CMAKE_CONFIG_MODULE
"install CMake package config module")
if(OPUS_CPU_X86 OR OPUS_CPU_X64)
add_feature_info(X86_MAY_HAVE_SSE OPUS_X86_MAY_HAVE_SSE
"does runtime check for SSE1 support")
add_feature_info(X86_MAY_HAVE_SSE2 OPUS_X86_MAY_HAVE_SSE2
"does runtime check for SSE2 support")
add_feature_info(X86_MAY_HAVE_SSE4_1 OPUS_X86_MAY_HAVE_SSE4_1
"does runtime check for SSE4_1 support")
add_feature_info(X86_MAY_HAVE_AVX OPUS_X86_MAY_HAVE_AVX
"does runtime check for AVX support")
add_feature_info(OPUS_X86_PRESUME_SSE OPUS_X86_PRESUME_SSE
"assume target CPU has SSE1 support will override the runtime check")
add_feature_info(OPUS_X86_PRESUME_SSE2 OPUS_X86_PRESUME_SSE2
"assume target CPU has SSE2 support will override the runtime check")
add_feature_info(OPUS_X86_PRESUME_SSE4_1 OPUS_X86_PRESUME_SSE4_1
"assume target CPU has SSE4_1 support will override the runtime check")
add_feature_info(OPUS_X86_PRESUME_AVX OPUS_X86_PRESUME_AVX
"assume target CPU has AVX support will override the runtime check")
endif()
feature_summary(WHAT ALL)
add_library(opus ${opus_sources} ${opus_sources_float})
add_library(Opus::opus ALIAS opus)
set(Opus_PUBLIC_HEADER
${CMAKE_CURRENT_SOURCE_DIR}/include/opus.h
${CMAKE_CURRENT_SOURCE_DIR}/include/opus_custom.h
${CMAKE_CURRENT_SOURCE_DIR}/include/opus_defines.h
${CMAKE_CURRENT_SOURCE_DIR}/include/opus_multistream.h
${CMAKE_CURRENT_SOURCE_DIR}/include/opus_projection.h
${CMAKE_CURRENT_SOURCE_DIR}/include/opus_types.h)
set_target_properties(opus
PROPERTIES SOVERSION
${OPUS_LIBRARY_VERSION_MAJOR}
VERSION
${OPUS_LIBRARY_VERSION}
PUBLIC_HEADER
"${Opus_PUBLIC_HEADER}")
target_include_directories(
opus
PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/opus>
PRIVATE ${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_CURRENT_SOURCE_DIR}
celt
silk)
target_link_libraries(opus PRIVATE ${OPUS_REQUIRED_LIBRARIES})
target_compile_definitions(opus PRIVATE OPUS_BUILD ENABLE_HARDENING)
if(NOT MSVC)
target_compile_definitions(opus PRIVATE _FORTIFY_SOURCE=2)
endif()
# It is strongly recommended to uncomment one of these VAR_ARRAYS: Use C99
# variable-length arrays for stack allocation USE_ALLOCA: Use alloca() for stack
# allocation If none is defined, then the fallback is a non-threadsafe global
# array
if(OPUS_USE_ALLOCA OR MSVC)
target_compile_definitions(opus PRIVATE USE_ALLOCA)
else()
target_compile_definitions(opus PRIVATE VAR_ARRAYS)
endif()
if(OPUS_CUSTOM_MODES)
target_compile_definitions(opus PRIVATE CUSTOM_MODES)
endif()
if(BUILD_SHARED_LIBS)
if(WIN32)
target_compile_definitions(opus PRIVATE DLL_EXPORT)
else()
include(CheckCCompilerFlag)
check_c_compiler_flag(-fvisibility=hidden COMPILER_HAS_HIDDEN_VISIBILITY)
if(COMPILER_HAS_HIDDEN_VISIBILITY)
set_target_properties(opus PROPERTIES C_VISIBILITY_PRESET hidden)
endif()
endif()
endif()
add_sources_group(opus silk ${silk_sources})
add_sources_group(opus celt ${celt_sources})
if(OPUS_FIXED_POINT)
add_sources_group(opus silk ${silk_sources_fixed})
target_include_directories(opus PRIVATE silk/fixed)
target_compile_definitions(opus PRIVATE FIXED_POINT=1)
else()
add_sources_group(opus silk ${silk_sources_float})
target_include_directories(opus PRIVATE silk/float)
endif()
if(NOT OPUS_ENABLE_FLOAT_API)
target_compile_definitions(opus PRIVATE DISABLE_FLOAT_API)
endif()
#[[Build flags for SSE will be set the following way:
MSVC: If OPUS_X86_PRESUME_X is set then we will set the highest possible /arch:X
we won't set any ARCH flag for OPUS_X86_MAY_HAVE_SSE due to:
https://randomascii.wordpress.com/2016/12/05/vc-archavx-option-unsafe-at-any-speed/
For non MSVC: we will set the compiler flags on per file basis for OPUS_X86_MAY_HAVE_SSE
for OPUS_X86_PRESUME_X we will set it for the target]]
if((OPUS_X86_MAY_HAVE_SSE AND NOT OPUS_X86_PRESUME_SSE) OR
(OPUS_X86_MAY_HAVE_SSE2 AND NOT OPUS_X86_PRESUME_SSE2) OR
(OPUS_X86_MAY_HAVE_SSE4_1 AND NOT OPUS_X86_PRESUME_SSE4_1) OR
(OPUS_X86_MAY_HAVE_AVX AND NOT OPUS_X86_PRESUME_AVX))
target_compile_definitions(opus PRIVATE OPUS_HAVE_RTCD)
endif()
if(SSE1_SUPPORTED)
if(OPUS_X86_MAY_HAVE_SSE)
add_sources_group(opus celt ${celt_sources_sse})
target_compile_definitions(opus PRIVATE OPUS_X86_MAY_HAVE_SSE)
if(NOT MSVC)
set_source_files_properties(${celt_sources_sse} PROPERTIES COMPILE_FLAGS -msse)
endif()
endif()
if(OPUS_X86_PRESUME_SSE)
target_compile_definitions(opus PRIVATE OPUS_X86_PRESUME_SSE)
if(NOT MSVC)
target_compile_options(opus PRIVATE -msse)
endif()
endif()
endif()
if(SSE2_SUPPORTED)
if(OPUS_X86_MAY_HAVE_SSE2)
add_sources_group(opus celt ${celt_sources_sse2})
target_compile_definitions(opus PRIVATE OPUS_X86_MAY_HAVE_SSE2)
if(NOT MSVC)
set_source_files_properties(${celt_sources_sse2} PROPERTIES COMPILE_FLAGS -msse2)
endif()
endif()
if(OPUS_X86_PRESUME_SSE2)
target_compile_definitions(opus PRIVATE OPUS_X86_PRESUME_SSE2)
if(NOT MSVC)
target_compile_options(opus PRIVATE -msse2)
endif()
endif()
endif()
if(SSE4_1_SUPPORTED)
if(OPUS_X86_MAY_HAVE_SSE4_1)
add_sources_group(opus celt ${celt_sources_sse4_1})
add_sources_group(opus silk ${silk_sources_sse4_1})
target_compile_definitions(opus PRIVATE OPUS_X86_MAY_HAVE_SSE4_1)
if(NOT MSVC)
set_source_files_properties(${celt_sources_sse4_1} ${silk_sources_sse4_1} PROPERTIES COMPILE_FLAGS -msse4.1)
endif()
if(OPUS_FIXED_POINT)
add_sources_group(opus silk ${silk_sources_fixed_sse4_1})
if(NOT MSVC)
set_source_files_properties(${silk_sources_fixed_sse4_1} PROPERTIES COMPILE_FLAGS -msse4.1)
endif()
endif()
endif()
if(OPUS_X86_PRESUME_SSE4_1)
target_compile_definitions(opus PRIVATE OPUS_X86_PRESUME_SSE4_1)
if(NOT MSVC)
target_compile_options(opus PRIVATE -msse4.1)
endif()
endif()
endif()
if(AVX_SUPPORTED)
# mostly placeholder in case of avx intrinsics is added
if(OPUS_X86_MAY_HAVE_AVX)
target_compile_definitions(opus PRIVATE OPUS_X86_MAY_HAVE_AVX)
endif()
if(OPUS_X86_PRESUME_AVX)
target_compile_definitions(opus PRIVATE OPUS_X86_PRESUME_AVX)
if(NOT MSVC)
target_compile_options(opus PRIVATE -mavx)
endif()
endif()
endif()
if(MSVC)
if(AVX_SUPPORTED AND OPUS_X86_PRESUME_AVX) # on 64 bit and 32 bits
add_definitions(/arch:AVX)
elseif(OPUS_CPU_X86) # if AVX not supported then set SSE flag
if((SSE4_1_SUPPORTED AND OPUS_X86_PRESUME_SSE4_1)
OR (SSE2_SUPPORTED AND OPUS_X86_PRESUME_SSE2))
target_compile_definitions(opus PRIVATE /arch:SSE2)
elseif(SSE1_SUPPORTED AND OPUS_X86_PRESUME_SSE)
target_compile_definitions(opus PRIVATE /arch:SSE)
endif()
endif()
endif()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "(armv7-a)")
add_sources_group(opus celt ${celt_sources_arm})
endif()
if(COMPILER_SUPPORT_NEON AND OPUS_USE_NEON)
if(OPUS_MAY_HAVE_NEON)
if(RUNTIME_CPU_CAPABILITY_DETECTION)
message(STATUS "OPUS_MAY_HAVE_NEON enabling runtime detection")
target_compile_definitions(opus PRIVATE OPUS_HAVE_RTCD)
else()
message(ERROR "Runtime cpu capability detection needed for MAY_HAVE_NEON")
endif()
# Do runtime check for NEON
target_compile_definitions(opus
PRIVATE
OPUS_ARM_MAY_HAVE_NEON
OPUS_ARM_MAY_HAVE_NEON_INTR)
endif()
add_sources_group(opus celt ${celt_sources_arm_neon_intr})
add_sources_group(opus silk ${silk_sources_arm_neon_intr})
# silk arm neon depends on main_Fix.h
target_include_directories(opus PRIVATE silk/fixed)
if(OPUS_FIXED_POINT)
add_sources_group(opus silk ${silk_sources_fixed_arm_neon_intr})
endif()
if(OPUS_PRESUME_NEON)
target_compile_definitions(opus
PRIVATE
OPUS_ARM_PRESUME_NEON
OPUS_ARM_PRESUME_NEON_INTR)
endif()
endif()
target_compile_definitions(opus
PRIVATE
$<$<BOOL:${HAVE_LRINT}>:HAVE_LRINT>
$<$<BOOL:${HAVE_LRINTF}>:HAVE_LRINTF>)
install(TARGETS opus
EXPORT OpusTargets
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/opus)
if(OPUS_INSTALL_PKG_CONFIG_MODULE)
set(prefix ${CMAKE_INSTALL_PREFIX})
set(exec_prefix ${CMAKE_INSTALL_PREFIX})
set(libdir ${CMAKE_INSTALL_FULL_LIBDIR})
set(includedir ${CMAKE_INSTALL_FULL_INCLUDEDIR})
set(VERSION ${PACKAGE_VERSION})
if(HAVE_LIBM)
set(LIBM "-lm")
endif()
configure_file(opus.pc.in opus.pc)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/opus.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
endif()
if(OPUS_INSTALL_CMAKE_CONFIG_MODULE)
set(CPACK_GENERATOR TGZ)
include(CPack)
set(CMAKE_INSTALL_PACKAGEDIR ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME})
install(EXPORT OpusTargets
NAMESPACE Opus::
DESTINATION ${CMAKE_INSTALL_PACKAGEDIR})
include(CMakePackageConfigHelpers)
set(INCLUDE_INSTALL_DIR ${CMAKE_INSTALL_INCLUDEDIR})
configure_package_config_file(OpusConfig.cmake.in
OpusConfig.cmake
INSTALL_DESTINATION
${CMAKE_INSTALL_PACKAGEDIR}
PATH_VARS
INCLUDE_INSTALL_DIR
INSTALL_PREFIX
${CMAKE_INSTALL_PREFIX})
write_basic_package_version_file(OpusConfigVersion.cmake
VERSION ${PROJECT_VERSION}
COMPATIBILITY SameMajorVersion)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/OpusConfig.cmake
${CMAKE_CURRENT_BINARY_DIR}/OpusConfigVersion.cmake
DESTINATION ${CMAKE_INSTALL_PACKAGEDIR})
endif()
if(OPUS_BUILD_PROGRAMS)
# demo
if(OPUS_CUSTOM_MODES)
add_executable(opus_custom_demo ${opus_custom_demo_sources})
target_include_directories(opus_custom_demo
PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
target_link_libraries(opus_custom_demo PRIVATE opus)
endif()
add_executable(opus_demo ${opus_demo_sources})
target_include_directories(opus_demo PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
target_include_directories(opus_demo PRIVATE silk) # debug.h
target_include_directories(opus_demo PRIVATE celt) # arch.h
target_link_libraries(opus_demo PRIVATE opus ${OPUS_REQUIRED_LIBRARIES})
# compare
add_executable(opus_compare ${opus_compare_sources})
target_include_directories(opus_compare PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
target_link_libraries(opus_compare PRIVATE opus ${OPUS_REQUIRED_LIBRARIES})
endif()
if(BUILD_TESTING)
enable_testing()
# tests
add_executable(test_opus_decode ${test_opus_decode_sources})
target_include_directories(test_opus_decode
PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
target_link_libraries(test_opus_decode PRIVATE opus)
if(OPUS_FIXED_POINT)
target_compile_definitions(test_opus_decode PRIVATE DISABLE_FLOAT_API)
endif()
add_test(test_opus_decode test_opus_decode)
add_executable(test_opus_padding ${test_opus_padding_sources})
target_include_directories(test_opus_padding
PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
target_link_libraries(test_opus_padding PRIVATE opus)
add_test(test_opus_padding test_opus_padding)
if(NOT BUILD_SHARED_LIBS)
# disable tests that depends on private API when building shared lib
add_executable(test_opus_api ${test_opus_api_sources})
target_include_directories(test_opus_api
PRIVATE ${CMAKE_CURRENT_BINARY_DIR} celt)
target_link_libraries(test_opus_api PRIVATE opus)
if(OPUS_FIXED_POINT)
target_compile_definitions(test_opus_api PRIVATE DISABLE_FLOAT_API)
endif()
add_test(test_opus_api test_opus_api)
add_executable(test_opus_encode ${test_opus_encode_sources})
target_include_directories(test_opus_encode
PRIVATE ${CMAKE_CURRENT_BINARY_DIR} celt)
target_link_libraries(test_opus_encode PRIVATE opus)
add_test(test_opus_encode test_opus_encode)
endif()
endif()