opus_config.cmake
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include(opus_functions.cmake)
configure_file(config.h.cmake.in config.h @ONLY)
add_definitions(-DHAVE_CONFIG_H)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set_property(GLOBAL PROPERTY C_STANDARD 99)
if(MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif()
include(CheckLibraryExists)
check_library_exists(m floor "" HAVE_LIBM)
if(HAVE_LIBM)
list(APPEND OPUS_REQUIRED_LIBRARIES m)
endif()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "(i[0-9]86|x86|X86|amd64|AMD64|x86_64)")
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(OPUS_CPU_X64 1)
else()
set(OPUS_CPU_X86 1)
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm")
set(OPUS_CPU_ARM 1)
endif()
opus_supports_cpu_detection(RUNTIME_CPU_CAPABILITY_DETECTION)
if(OPUS_CPU_X86 OR OPUS_CPU_X64)
opus_detect_sse(COMPILER_SUPPORT_SIMD)
elseif(OPUS_CPU_ARM)
opus_detect_neon(COMPILER_SUPPORT_NEON)
if(COMPILER_SUPPORT_NEON)
option(OPUS_USE_NEON "Option to turn off SSE" ON)
option(OPUS_MAY_SUPPORT_NEON "Does runtime check for neon support" ON)
option(OPUS_PRESUME_NEON "Assume target CPU has NEON support" OFF)
if(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64")
set(OPUS_PRESUME_NEON ON)
endif()
endif()
endif()