262 lines
7.8 KiB
CMake
262 lines
7.8 KiB
CMake
#[[Cmake helper function to parse source files from make files
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this is to avoid breaking existing make and auto make support
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but still have the option to use CMake with only lists at one place]]
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cmake_minimum_required(VERSION 3.1)
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function(get_library_version OPUS_LIBRARY_VERSION OPUS_LIBRARY_VERSION_MAJOR)
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file(STRINGS configure.ac opus_lt_current_string
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LIMIT_COUNT 1
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REGEX "OPUS_LT_CURRENT=")
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string(REGEX MATCH
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"OPUS_LT_CURRENT=([0-9]*)"
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_
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${opus_lt_current_string})
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set(OPUS_LT_CURRENT ${CMAKE_MATCH_1})
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file(STRINGS configure.ac opus_lt_revision_string
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LIMIT_COUNT 1
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REGEX "OPUS_LT_REVISION=")
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string(REGEX MATCH
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"OPUS_LT_REVISION=([0-9]*)"
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_
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${opus_lt_revision_string})
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set(OPUS_LT_REVISION ${CMAKE_MATCH_1})
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file(STRINGS configure.ac opus_lt_age_string
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LIMIT_COUNT 1
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REGEX "OPUS_LT_AGE=")
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string(REGEX MATCH
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"OPUS_LT_AGE=([0-9]*)"
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_
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${opus_lt_age_string})
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set(OPUS_LT_AGE ${CMAKE_MATCH_1})
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math(EXPR OPUS_LIBRARY_VERSION_MAJOR "${OPUS_LT_CURRENT} - ${OPUS_LT_AGE}")
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set(OPUS_LIBRARY_VERSION_MINOR ${OPUS_LT_AGE})
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set(OPUS_LIBRARY_VERSION_PATCH ${OPUS_LT_REVISION})
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set(
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OPUS_LIBRARY_VERSION
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"${OPUS_LIBRARY_VERSION_MAJOR}.${OPUS_LIBRARY_VERSION_MINOR}.${OPUS_LIBRARY_VERSION_PATCH}"
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PARENT_SCOPE)
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set(OPUS_LIBRARY_VERSION_MAJOR ${OPUS_LIBRARY_VERSION_MAJOR} PARENT_SCOPE)
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endfunction()
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function(get_package_version PACKAGE_VERSION)
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find_package(Git)
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if(GIT_FOUND)
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execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --match "v*"
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OUTPUT_VARIABLE OPUS_PACKAGE_VERSION)
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if(OPUS_PACKAGE_VERSION)
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string(STRIP ${OPUS_PACKAGE_VERSION}, OPUS_PACKAGE_VERSION)
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string(REPLACE \n
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""
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OPUS_PACKAGE_VERSION
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${OPUS_PACKAGE_VERSION})
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string(REPLACE ,
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""
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OPUS_PACKAGE_VERSION
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${OPUS_PACKAGE_VERSION})
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string(SUBSTRING ${OPUS_PACKAGE_VERSION}
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1
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-1
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OPUS_PACKAGE_VERSION)
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set(PACKAGE_VERSION ${OPUS_PACKAGE_VERSION} PARENT_SCOPE)
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return()
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endif()
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endif()
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if(EXISTS "${CMAKE_SOURCE_DIR}/package_version")
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# Not a git repo, lets' try to parse it from package_version file if exists
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file(STRINGS package_version opus_package_version_string
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LIMIT_COUNT 1
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REGEX "PACKAGE_VERSION=")
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string(REPLACE "PACKAGE_VERSION="
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""
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opus_package_version_string
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${opus_package_version_string})
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string(REPLACE "\""
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""
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opus_package_version_string
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${opus_package_version_string})
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set(PACKAGE_VERSION ${opus_package_version_string} PARENT_SCOPE)
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return()
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endif()
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# if all else fails set to 0
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set(PACKAGE_VERSION 0 PARENT_SCOPE)
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endfunction()
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function(check_and_set_flag NAME FLAG)
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include(CheckCCompilerFlag)
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check_c_compiler_flag(${FLAG} ${NAME}_SUPPORTED)
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if(${NAME}_SUPPORTED)
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add_definitions(${FLAG})
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endif()
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endfunction()
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function(check_flag NAME FLAG)
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include(CheckCCompilerFlag)
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check_c_compiler_flag(${FLAG} ${NAME}_SUPPORTED)
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endfunction()
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include(CheckIncludeFile)
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# function to check if compiler supports SSE, SSE2, SSE4.1 and AVX if target
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# systems may not have SSE support then use OPUS_MAY_HAVE_SSE option if target
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# system is guaranteed to have SSE support then OPUS_PRESUME_SSE can be used to
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# skip SSE runtime check
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function(opus_detect_sse COMPILER_SUPPORT_SIMD)
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message(STATUS "Check SIMD support by compiler")
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check_include_file(xmmintrin.h HAVE_XMMINTRIN_H) # SSE1
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if(HAVE_XMMINTRIN_H)
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if(MSVC)
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# different arch options for 32 and 64 bit target for MSVC
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if(CMAKE_SIZEOF_VOID_P EQUAL 4)
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check_flag(SSE1 /arch:SSE)
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else()
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set(SSE1_SUPPORTED 1 PARENT_SCOPE)
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endif()
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else()
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check_and_set_flag(SSE1 -msse)
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endif()
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else()
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set(SSE1_SUPPORTED 0 PARENT_SCOPE)
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endif()
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check_include_file(emmintrin.h HAVE_EMMINTRIN_H) # SSE2
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if(HAVE_EMMINTRIN_H)
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if(MSVC)
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if(CMAKE_SIZEOF_VOID_P EQUAL 4)
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check_flag(SSE2 /arch:SSE2)
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else()
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set(SSE2_SUPPORTED 1 PARENT_SCOPE)
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endif()
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else()
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check_and_set_flag(SSE2 -msse2)
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endif()
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else()
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set(SSE2_SUPPORTED 0 PARENT_SCOPE)
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endif()
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check_include_file(smmintrin.h HAVE_SMMINTRIN_H) # SSE4.1
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if(HAVE_SMMINTRIN_H)
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if(MSVC)
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if(CMAKE_SIZEOF_VOID_P EQUAL 4)
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check_flag(SSE4_1 /arch:SSE2) # SSE2 and above
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else()
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set(SSE4_1_SUPPORTED 1 PARENT_SCOPE)
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endif()
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else()
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check_and_set_flag(SSE4_1 -msse4.1)
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endif()
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else()
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set(SSE4_1_SUPPORTED 0 PARENT_SCOPE)
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endif()
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check_include_file(immintrin.h HAVE_IMMINTRIN_H) # AVX
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if(HAVE_IMMINTRIN_H)
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if(MSVC)
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check_flag(AVX /arch:AVX)
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else()
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check_and_set_flag(AVX -mavx)
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endif()
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else()
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set(AVX_SUPPORTED 0 PARENT_SCOPE)
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endif()
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if(MSVC) # To avoid warning D9025 of overriding compiler options
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if(AVX_SUPPORTED) # on 64 bit and 32 bits
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add_definitions(/arch:AVX)
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elseif(CMAKE_SIZEOF_VOID_P EQUAL 4) # if AVX not supported then set SSE flag
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if(SSE4_1_SUPPORTED OR SSE2_SUPPORTED)
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add_definitions(/arch:SSE2)
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elseif(SSE1_SUPPORTED)
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add_definitions(/arch:SSE)
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endif()
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endif()
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endif()
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if(SSE1_SUPPORTED OR SSE2_SUPPORTED OR SSE4_1_SUPPORTED OR AVX_SUPPORTED)
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set(COMPILER_SUPPORT_SIMD 1 PARENT_SCOPE)
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else()
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message(STATUS "No SIMD support in compiler")
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endif()
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endfunction()
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function(opus_detect_neon COMPILER_SUPPORT_NEON)
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if(CMAKE_SYSTEM_PROCESSOR MATCHES "(armv7-a|aarch64)")
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message(STATUS "Check NEON support by compiler")
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check_include_file(arm_neon.h HAVE_ARM_NEON_H)
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if(HAVE_ARM_NEON_H)
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set(COMPILER_SUPPORT_NEON ${HAVE_ARM_NEON_H} PARENT_SCOPE)
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endif()
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endif()
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endfunction()
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function(opus_supports_cpu_detection RUNTIME_CPU_CAPABILITY_DETECTION)
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if(MSVC)
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check_include_file(intrin.h HAVE_INTRIN_H)
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else()
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check_include_file(cpuid.h HAVE_CPUID_H)
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endif()
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if(HAVE_INTRIN_H OR HAVE_CPUID_H)
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set(RUNTIME_CPU_CAPABILITY_DETECTION 1 PARENT_SCOPE)
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else()
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set(RUNTIME_CPU_CAPABILITY_DETECTION 0 PARENT_SCOPE)
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endif()
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endfunction()
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function(add_sources_group target group)
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target_sources(${target} PRIVATE ${ARGN})
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source_group(${group} FILES ${ARGN})
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endfunction()
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function(get_opus_sources SOURCE_GROUP MAKE_FILE SOURCES)
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# read file, each item in list is one group
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file(STRINGS ${MAKE_FILE} opus_sources)
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# add wildcard for regex match
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string(CONCAT SOURCE_GROUP ${SOURCE_GROUP} ".*$")
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# find group
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foreach(val IN LISTS opus_sources)
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if(val MATCHES ${SOURCE_GROUP})
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list(LENGTH val list_length)
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if(${list_length} EQUAL 1)
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# for tests split by '=' and clean up the rest into a list
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string(FIND ${val} "=" index)
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math(EXPR index "${index} + 1")
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string(SUBSTRING ${val}
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${index}
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-1
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sources)
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string(REPLACE " "
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";"
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sources
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${sources})
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else()
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# discard the group
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list(REMOVE_AT val 0)
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set(sources ${val})
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endif()
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break()
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endif()
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endforeach()
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list(LENGTH sources list_length)
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if(${list_length} LESS 1)
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message(
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FATAL_ERROR
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"No files parsed succesfully from ${SOURCE_GROUP} in ${MAKE_FILE}")
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endif()
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# remove trailing whitespaces
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set(list_var "")
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foreach(source ${sources})
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string(STRIP "${source}" source)
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list(APPEND list_var "${source}")
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endforeach()
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set(${SOURCES} ${list_var} PARENT_SCOPE)
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endfunction()
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