| if(__opus_functions) |
| return() |
| endif() |
| set(__opus_functions INCLUDED) |
| |
| function(get_library_version OPUS_LIBRARY_VERSION OPUS_LIBRARY_VERSION_MAJOR) |
| file(STRINGS configure.ac opus_lt_current_string |
| LIMIT_COUNT 1 |
| REGEX "OPUS_LT_CURRENT=") |
| string(REGEX MATCH |
| "OPUS_LT_CURRENT=([0-9]*)" |
| _ |
| ${opus_lt_current_string}) |
| set(OPUS_LT_CURRENT ${CMAKE_MATCH_1}) |
| |
| file(STRINGS configure.ac opus_lt_revision_string |
| LIMIT_COUNT 1 |
| REGEX "OPUS_LT_REVISION=") |
| string(REGEX MATCH |
| "OPUS_LT_REVISION=([0-9]*)" |
| _ |
| ${opus_lt_revision_string}) |
| set(OPUS_LT_REVISION ${CMAKE_MATCH_1}) |
| |
| file(STRINGS configure.ac opus_lt_age_string |
| LIMIT_COUNT 1 |
| REGEX "OPUS_LT_AGE=") |
| string(REGEX MATCH |
| "OPUS_LT_AGE=([0-9]*)" |
| _ |
| ${opus_lt_age_string}) |
| set(OPUS_LT_AGE ${CMAKE_MATCH_1}) |
| |
| math(EXPR OPUS_LIBRARY_VERSION_MAJOR "${OPUS_LT_CURRENT} - ${OPUS_LT_AGE}") |
| set(OPUS_LIBRARY_VERSION_MINOR ${OPUS_LT_AGE}) |
| set(OPUS_LIBRARY_VERSION_PATCH ${OPUS_LT_REVISION}) |
| set( |
| OPUS_LIBRARY_VERSION |
| "${OPUS_LIBRARY_VERSION_MAJOR}.${OPUS_LIBRARY_VERSION_MINOR}.${OPUS_LIBRARY_VERSION_PATCH}" |
| PARENT_SCOPE) |
| set(OPUS_LIBRARY_VERSION_MAJOR ${OPUS_LIBRARY_VERSION_MAJOR} PARENT_SCOPE) |
| endfunction() |
| |
| function(check_flag NAME FLAG) |
| include(CheckCCompilerFlag) |
| check_c_compiler_flag(${FLAG} ${NAME}_SUPPORTED) |
| endfunction() |
| |
| include(CheckIncludeFile) |
| |
| # This function determines if the compiler has support for SSE, SSE2, SSE4.1, AVX, |
| # AVX2 and FMA. Should the target systems potentially lack SSE support, the |
| # OPUS_MAY_HAVE_SSE option is recommended for use. If, however, the target system is |
| # assured to support SSE, the OPUS_PRESUME_SSE option can be employed, thus |
| # eliminating the necessity for an SSE runtime check. |
| function(opus_detect_sse COMPILER_SUPPORT_SIMD) |
| message(STATUS "Check SIMD support by compiler") |
| check_include_file(xmmintrin.h HAVE_XMMINTRIN_H) # SSE1 |
| if(HAVE_XMMINTRIN_H) |
| if(MSVC) |
| # different arch options for 32 and 64 bit target for MSVC |
| if(CMAKE_SIZEOF_VOID_P EQUAL 4) |
| check_flag(SSE1 /arch:SSE) |
| else() |
| set(SSE1_SUPPORTED |
| 1 |
| PARENT_SCOPE) |
| endif() |
| else() |
| check_flag(SSE1 -msse) |
| endif() |
| else() |
| set(SSE1_SUPPORTED |
| 0 |
| PARENT_SCOPE) |
| endif() |
| |
| check_include_file(emmintrin.h HAVE_EMMINTRIN_H) # SSE2 |
| if(HAVE_EMMINTRIN_H) |
| if(MSVC) |
| if(CMAKE_SIZEOF_VOID_P EQUAL 4) |
| check_flag(SSE2 /arch:SSE2) |
| else() |
| set(SSE2_SUPPORTED |
| 1 |
| PARENT_SCOPE) |
| endif() |
| else() |
| check_flag(SSE2 -msse2) |
| endif() |
| else() |
| set(SSE2_SUPPORTED |
| 0 |
| PARENT_SCOPE) |
| endif() |
| |
| check_include_file(smmintrin.h HAVE_SMMINTRIN_H) # SSE4.1 |
| if(HAVE_SMMINTRIN_H) |
| if(MSVC) |
| if(CMAKE_SIZEOF_VOID_P EQUAL 4) |
| check_flag(SSE4_1 /arch:SSE2) # SSE2 and above |
| else() |
| set(SSE4_1_SUPPORTED |
| 1 |
| PARENT_SCOPE) |
| endif() |
| else() |
| check_flag(SSE4_1 -msse4.1) |
| endif() |
| else() |
| set(SSE4_1_SUPPORTED |
| 0 |
| PARENT_SCOPE) |
| endif() |
| |
| check_include_file(immintrin.h HAVE_IMMINTRIN_H) # AVX2 |
| if(HAVE_IMMINTRIN_H) |
| if(MSVC) |
| check_flag(AVX2 /arch:AVX2) |
| else() |
| check_flag(AVX2 -mavx2 -mfma -mavx) |
| endif() |
| else() |
| set(AVX2_SUPPORTED |
| 0 |
| PARENT_SCOPE) |
| endif() |
| |
| if(SSE1_SUPPORTED OR SSE2_SUPPORTED OR SSE4_1_SUPPORTED OR AVX2_SUPPORTED) |
| set(COMPILER_SUPPORT_SIMD 1 PARENT_SCOPE) |
| else() |
| message(STATUS "No SIMD support in compiler") |
| endif() |
| endfunction() |
| |
| function(opus_detect_neon COMPILER_SUPPORT_NEON) |
| if(CMAKE_SYSTEM_PROCESSOR MATCHES "(arm|aarch64)") |
| message(STATUS "Check NEON support by compiler") |
| check_include_file(arm_neon.h HAVE_ARM_NEON_H) |
| if(HAVE_ARM_NEON_H) |
| set(COMPILER_SUPPORT_NEON ${HAVE_ARM_NEON_H} PARENT_SCOPE) |
| endif() |
| endif() |
| endfunction() |
| |
| function(opus_supports_cpu_detection RUNTIME_CPU_CAPABILITY_DETECTION) |
| set(RUNTIME_CPU_CAPABILITY_DETECTION 0 PARENT_SCOPE) |
| if(OPUS_CPU_X86 OR OPUS_CPU_X64) |
| if(MSVC) |
| check_include_file(intrin.h HAVE_INTRIN_H) |
| if(HAVE_INTRIN_H) |
| # if intrin.h is available we assume __cpuid is there |
| set(RUNTIME_CPU_CAPABILITY_DETECTION 1 PARENT_SCOPE) |
| endif() |
| else() |
| include(CFeatureCheck) |
| c_feature_check(CPU_INFO_BY_ASM) |
| set(CPU_INFO_BY_ASM_SUPPORTED ${CPU_INFO_BY_ASM_SUPPORTED} PARENT_SCOPE) |
| check_include_file(cpuid.h HAVE_CPUID_H) |
| if(HAVE_CPUID_H) |
| c_feature_check(CPU_INFO_BY_C) |
| set(CPU_INFO_BY_C_SUPPORTED ${CPU_INFO_BY_C_SUPPORTED} PARENT_SCOPE) |
| endif() |
| if(CPU_INFO_BY_ASM_SUPPORTED OR CPU_INFO_BY_C_SUPPORTED) |
| set(RUNTIME_CPU_CAPABILITY_DETECTION 1 PARENT_SCOPE) |
| endif() |
| endif() |
| elseif(OPUS_CPU_ARM) |
| # ARM cpu detection is implemented for Windows and anything |
| # using a Linux kernel (such as Android). |
| if (CMAKE_SYSTEM_NAME MATCHES "(Windows|Linux|Android)") |
| set(RUNTIME_CPU_CAPABILITY_DETECTION 1 PARENT_SCOPE) |
| endif () |
| else() |
| set(RUNTIME_CPU_CAPABILITY_DETECTION 0 PARENT_SCOPE) |
| endif() |
| endfunction() |
| |
| function(add_sources_group target group) |
| target_sources(${target} PRIVATE ${ARGN}) |
| source_group(${group} FILES ${ARGN}) |
| endfunction() |
| |
| function(get_opus_sources SOURCE_GROUP MAKE_FILE SOURCES) |
| # read file, each item in list is one group |
| file(STRINGS ${MAKE_FILE} opus_sources) |
| |
| # add wildcard for regex match |
| string(CONCAT SOURCE_GROUP ${SOURCE_GROUP} ".*$") |
| |
| # find group |
| foreach(val IN LISTS opus_sources) |
| if(val MATCHES ${SOURCE_GROUP}) |
| list(LENGTH val list_length) |
| if(${list_length} EQUAL 1) |
| # for tests split by '=' and clean up the rest into a list |
| string(FIND ${val} "=" index) |
| math(EXPR index "${index} + 1") |
| string(SUBSTRING ${val} |
| ${index} |
| -1 |
| sources) |
| string(REPLACE " " |
| ";" |
| sources |
| ${sources}) |
| else() |
| # discard the group |
| list(REMOVE_AT val 0) |
| set(sources ${val}) |
| endif() |
| break() |
| endif() |
| endforeach() |
| |
| list(LENGTH sources list_length) |
| if(${list_length} LESS 1) |
| message( |
| FATAL_ERROR |
| "No files parsed successfully from ${SOURCE_GROUP} in ${MAKE_FILE}") |
| endif() |
| |
| # remove trailing whitespaces |
| set(list_var "") |
| foreach(source ${sources}) |
| string(STRIP "${source}" source) |
| list(APPEND list_var "${source}") |
| endforeach() |
| |
| set(${SOURCES} ${list_var} PARENT_SCOPE) |
| endfunction() |