mirror of
https://github.com/opencv/opencv.git
synced 2024-11-25 19:50:38 +08:00
bc7923e382
To prevent this result:
/usr/bin/ccache ccache <android-ndk-r16.1>/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc ...
with:
ccache: error: Recursive invocation (the name of the ccache binary must be "ccache")
165 lines
5.2 KiB
CMake
165 lines
5.2 KiB
CMake
# ----------------------------------------------------------------------------
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# Detect Microsoft compiler:
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# ----------------------------------------------------------------------------
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if(CMAKE_CL_64)
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set(MSVC64 1)
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endif()
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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set(CMAKE_COMPILER_IS_GNUCXX 1)
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set(CMAKE_COMPILER_IS_CLANGCXX 1)
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endif()
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if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
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set(CMAKE_COMPILER_IS_GNUCC 1)
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set(CMAKE_COMPILER_IS_CLANGCC 1)
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endif()
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if("${CMAKE_CXX_COMPILER};${CMAKE_C_COMPILER};${CMAKE_CXX_COMPILER_LAUNCHER}" MATCHES "ccache")
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set(CMAKE_COMPILER_IS_CCACHE 1)
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endif()
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# ----------------------------------------------------------------------------
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# Detect Intel ICC compiler -- for -fPIC in 3rdparty ( UNIX ONLY ):
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# see include/opencv/cxtypes.h file for related ICC & CV_ICC defines.
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# NOTE: The system needs to determine if the '-fPIC' option needs to be added
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# for the 3rdparty static libs being compiled. The CMakeLists.txt files
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# in 3rdparty use the CV_ICC definition being set here to determine if
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# the -fPIC flag should be used.
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# ----------------------------------------------------------------------------
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if(UNIX)
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if (__ICL)
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set(CV_ICC __ICL)
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elseif(__ICC)
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set(CV_ICC __ICC)
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elseif(__ECL)
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set(CV_ICC __ECL)
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elseif(__ECC)
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set(CV_ICC __ECC)
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elseif(__INTEL_COMPILER)
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set(CV_ICC __INTEL_COMPILER)
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elseif(CMAKE_C_COMPILER MATCHES "icc")
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set(CV_ICC icc_matches_c_compiler)
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endif()
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endif()
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if(MSVC AND CMAKE_C_COMPILER MATCHES "icc|icl")
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set(CV_ICC __INTEL_COMPILER_FOR_WINDOWS)
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endif()
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if(NOT DEFINED CMAKE_CXX_COMPILER_VERSION)
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message(WARNING "Compiler version is not available: CMAKE_CXX_COMPILER_VERSION is not set")
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX)
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if(WIN32)
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execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpmachine
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OUTPUT_VARIABLE OPENCV_GCC_TARGET_MACHINE
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(OPENCV_GCC_TARGET_MACHINE MATCHES "amd64|x86_64|AMD64")
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set(MINGW64 1)
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endif()
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endif()
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endif()
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if(MSVC64 OR MINGW64)
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set(X86_64 1)
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elseif(MINGW OR (MSVC AND NOT CMAKE_CROSSCOMPILING))
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set(X86 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
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set(X86_64 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*|amd64.*|AMD64.*")
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set(X86 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)")
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set(ARM 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
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set(AARCH64 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64le")
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set(PPC64LE 1)
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elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64")
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set(PPC64 1)
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endif()
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# Workaround for 32-bit operating systems on 64-bit x86_64 processor
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if(X86_64 AND CMAKE_SIZEOF_VOID_P EQUAL 4 AND NOT FORCE_X86_64)
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message(STATUS "sizeof(void) = 4 on x86 / x86_64 processor. Assume 32-bit compilation mode (X86=1)")
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unset(X86_64)
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set(X86 1)
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endif()
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# Similar code exists in OpenCVConfig.cmake
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if(NOT DEFINED OpenCV_STATIC)
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# look for global setting
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if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS)
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set(OpenCV_STATIC OFF)
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else()
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set(OpenCV_STATIC ON)
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endif()
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endif()
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if(DEFINED OpenCV_ARCH AND DEFINED OpenCV_RUNTIME)
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# custom overrided values
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elseif(MSVC)
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if(CMAKE_CL_64)
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set(OpenCV_ARCH x64)
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elseif((CMAKE_GENERATOR MATCHES "ARM") OR ("${arch_hint}" STREQUAL "ARM") OR (CMAKE_VS_EFFECTIVE_PLATFORMS MATCHES "ARM|arm"))
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# see Modules/CmakeGenericSystem.cmake
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set(OpenCV_ARCH ARM)
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else()
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set(OpenCV_ARCH x86)
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endif()
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if(MSVC_VERSION EQUAL 1400)
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set(OpenCV_RUNTIME vc8)
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elseif(MSVC_VERSION EQUAL 1500)
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set(OpenCV_RUNTIME vc9)
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elseif(MSVC_VERSION EQUAL 1600)
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set(OpenCV_RUNTIME vc10)
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elseif(MSVC_VERSION EQUAL 1700)
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set(OpenCV_RUNTIME vc11)
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elseif(MSVC_VERSION EQUAL 1800)
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set(OpenCV_RUNTIME vc12)
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elseif(MSVC_VERSION EQUAL 1900)
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set(OpenCV_RUNTIME vc14)
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elseif(MSVC_VERSION MATCHES "^191[0-9]$")
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set(OpenCV_RUNTIME vc15)
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else()
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message(WARNING "OpenCV does not recognize MSVC_VERSION \"${MSVC_VERSION}\". Cannot set OpenCV_RUNTIME")
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endif()
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elseif(MINGW)
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set(OpenCV_RUNTIME mingw)
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if(MINGW64)
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set(OpenCV_ARCH x64)
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else()
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set(OpenCV_ARCH x86)
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endif()
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endif()
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# Fix handling of duplicated files in the same static library:
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# https://public.kitware.com/Bug/view.php?id=14874
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if(CMAKE_VERSION VERSION_LESS "3.1")
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foreach(var CMAKE_C_ARCHIVE_APPEND CMAKE_CXX_ARCHIVE_APPEND)
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if(${var} MATCHES "^<CMAKE_AR> r")
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string(REPLACE "<CMAKE_AR> r" "<CMAKE_AR> q" ${var} "${${var}}")
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endif()
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endforeach()
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endif()
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if(ENABLE_CXX11)
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#cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
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set(CMAKE_CXX_EXTENSIONS OFF) # use -std=c++11 instead of -std=gnu++11
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if(CMAKE_CXX11_COMPILE_FEATURES)
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set(HAVE_CXX11 ON)
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endif()
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endif()
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if(NOT HAVE_CXX11)
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ocv_check_compiler_flag(CXX "" HAVE_CXX11 "${OpenCV_SOURCE_DIR}/cmake/checks/cxx11.cpp")
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if(NOT HAVE_CXX11 AND ENABLE_CXX11)
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ocv_check_compiler_flag(CXX "-std=c++11" HAVE_STD_CXX11 "${OpenCV_SOURCE_DIR}/cmake/checks/cxx11.cpp")
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if(HAVE_STD_CXX11)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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set(HAVE_CXX11 ON)
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endif()
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endif()
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endif()
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