mirror of
https://github.com/UltraCoderRU/libwebrtc.git
synced 2026-01-28 11:15:13 +00:00
Move target OS and CPU detection code to a separate CMake module
This commit is contained in:
Axel Isouard
parent
282570038c
commit
b334e9098a
2 changed files with 63 additions and 73 deletions
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@ -11,79 +11,7 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
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include(FindLibraries)
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include(Version)
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include(Options)
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#
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# Target OS
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set(TARGET_OS "" CACHE STRING "Target OS, used as --target_os argument")
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set(TARGET_OS_LIST android chromeos ios linux nacl mac win)
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if (TARGET_OS STREQUAL "")
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if (CMAKE_SYSTEM_NAME MATCHES "Linux")
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set(TARGET_OS "linux")
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elseif (CMAKE_SYSTEM_NAME MATCHES "Darwin")
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set(TARGET_OS "mac")
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elseif (CMAKE_SYSTEM_NAME MATCHES "Windows")
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set(TARGET_OS "win")
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endif ()
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endif (TARGET_OS STREQUAL "")
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if (NOT ${TARGET_OS} IN_LIST TARGET_OS_LIST)
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message(FATAL_ERROR "Unknown value '${TARGET_OS}' for variable TARGET_OS, options are: ${TARGET_OS_LIST}")
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endif (NOT ${TARGET_OS} IN_LIST TARGET_OS_LIST)
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#
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# Target CPU
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set(TARGET_CPU "" CACHE STRING "Target CPU, used as --target_cpu argument")
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set(TARGET_CPU_LIST x86 x64 arm arm64 mipsel)
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if (TARGET_CPU STREQUAL "")
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include(CheckSymbolExists)
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if (WIN32)
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check_symbol_exists("_M_X64" "" ARCH_X64)
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if (NOT ARCH_X64)
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check_symbol_exists("_M_AMD64" "" ARCH_X64)
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if (NOT ARCH_X64)
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check_symbol_exists("_M_IX86" "" ARCH_X86)
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if (NOT ARCH_X86)
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check_symbol_exists("_M_ARM" "" ARCH_ARM)
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check_symbol_exists("_M_ARM64" "" ARCH_ARM64)
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endif (NOT ARCH_X86)
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endif (NOT ARCH_X64)
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endif (NOT ARCH_X64)
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else (WIN32)
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check_symbol_exists("__i386__" "" ARCH_X86)
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check_symbol_exists("__x86_64__" "" ARCH_X64)
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check_symbol_exists("__arm__" "" ARCH_ARM)
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check_symbol_exists("__aarch64__" "" ARCH_ARM64)
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endif (WIN32)
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if (ARCH_X86)
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set(TARGET_CPU "x86")
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elseif (ARCH_X64)
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set(TARGET_CPU "x64")
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else ()
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set(TARGET_CPU ${CMAKE_SYSTEM_PROCESSOR})
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endif (ARCH_X86)
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endif (TARGET_CPU STREQUAL "")
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if (NOT ${TARGET_CPU} IN_LIST TARGET_CPU_LIST)
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message(FATAL_ERROR "Unknown value '${TARGET_CPU}' for variable TARGET_CPU, options are: ${TARGET_CPU_LIST}")
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endif (NOT ${TARGET_CPU} IN_LIST TARGET_CPU_LIST)
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if (UNIX)
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if (ARCH_X86)
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set(LIBWEBRTC_REQUIRED_CXX_FLAGS "-m32")
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endif (ARCH_X86)
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set(LIBWEBRTC_REQUIRED_CXX_FLAGS "${LIBWEBRTC_REQUIRED_CXX_FLAGS} -std=gnu++0x")
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list(APPEND LIBWEBRTC_DEFINITIONS WEBRTC_POSIX _GLIBCXX_USE_CXX11_ABI=0)
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elseif (WIN32)
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set(LIBWEBRTC_REQUIRED_C_FLAGS_DEBUG "/MTd")
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set(LIBWEBRTC_REQUIRED_C_FLAGS_RELEASE "/MT")
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set(LIBWEBRTC_REQUIRED_CXX_FLAGS_DEBUG "/MTd")
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set(LIBWEBRTC_REQUIRED_CXX_FLAGS_RELEASE "/MT")
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list(APPEND LIBWEBRTC_DEFINITIONS WEBRTC_WIN NOMINMAX _CRT_SECURE_NO_WARNINGS)
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endif(UNIX)
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set(LIBWEBRTC_LIBRARIES webrtc)
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include(TargetOsAndCpu)
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add_subdirectory(Targets)
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export(PACKAGE LibWebRTC)
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62
CMakeModules/TargetOsAndCpu.cmake
Normal file
62
CMakeModules/TargetOsAndCpu.cmake
Normal file
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@ -0,0 +1,62 @@
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include(CheckSymbolExists)
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function(detect_current_arch)
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if (WIN32)
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check_symbol_exists("_M_X64" "" ARCH_X64)
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if (NOT ARCH_X64)
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check_symbol_exists("_M_AMD64" "" ARCH_X64)
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endif (NOT ARCH_X64)
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check_symbol_exists("_M_IX86" "" ARCH_X86)
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check_symbol_exists("_M_ARM" "" ARCH_ARM)
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check_symbol_exists("_M_ARM64" "" ARCH_ARM64)
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else (WIN32)
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check_symbol_exists("__i386__" "" ARCH_X86)
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check_symbol_exists("__x86_64__" "" ARCH_X64)
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check_symbol_exists("__arm__" "" ARCH_ARM)
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check_symbol_exists("__aarch64__" "" ARCH_ARM64)
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check_symbol_exists("__mips__" "" ARCH_MIPS)
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endif (WIN32)
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endfunction(detect_current_arch)
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#
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# Target CPU
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set(TARGET_CPU "" CACHE STRING "Target CPU, used as --target_cpu argument")
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set(TARGET_CPU_LIST x86 x64 arm arm64 mipsel)
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if (TARGET_CPU STREQUAL "")
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detect_current_arch()
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if (ARCH_X64)
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set(TARGET_CPU "x64")
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elseif (ARCH_X86)
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set(TARGET_CPU "x86")
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elseif (ARCH_ARM64)
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set(TARGET_CPU "arm64")
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elseif (ARCH_ARM)
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set(TARGET_CPU "arm")
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elseif (ARCH_MIPS)
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set(TARGET_CPU "mipsel")
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else ()
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set(TARGET_CPU ${CMAKE_SYSTEM_PROCESSOR})
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endif (ARCH_X64)
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endif (TARGET_CPU STREQUAL "")
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if (NOT ${TARGET_CPU} IN_LIST TARGET_CPU_LIST)
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message(FATAL_ERROR "Unknown value '${TARGET_CPU}' for variable TARGET_CPU, options are: ${TARGET_CPU_LIST}")
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endif (NOT ${TARGET_CPU} IN_LIST TARGET_CPU_LIST)
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if (UNIX)
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if (ARCH_X86)
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set(LIBWEBRTC_REQUIRED_CXX_FLAGS "-m32")
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endif (ARCH_X86)
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set(LIBWEBRTC_REQUIRED_CXX_FLAGS "${LIBWEBRTC_REQUIRED_CXX_FLAGS} -std=gnu++0x")
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list(APPEND LIBWEBRTC_DEFINITIONS
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WEBRTC_POSIX _GLIBCXX_USE_CXX11_ABI=0 _CRT_SECURE_NO_WARNINGS)
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elseif (WIN32)
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set(LIBWEBRTC_REQUIRED_C_FLAGS_DEBUG "/MTd")
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set(LIBWEBRTC_REQUIRED_C_FLAGS_RELEASE "/MT")
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set(LIBWEBRTC_REQUIRED_CXX_FLAGS_DEBUG "/MTd")
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set(LIBWEBRTC_REQUIRED_CXX_FLAGS_RELEASE "/MT")
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list(APPEND LIBWEBRTC_DEFINITIONS WEBRTC_WIN NOMINMAX _CRT_SECURE_NO_WARNINGS)
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endif(UNIX)
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