mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
176 lines
6.4 KiB
176 lines
6.4 KiB
# ---------------------------------------------------------------------------- |
|
# Detect Microsoft compiler: |
|
# ---------------------------------------------------------------------------- |
|
if(CMAKE_CL_64) |
|
set(MSVC64 1) |
|
endif() |
|
|
|
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") |
|
set(CMAKE_COMPILER_IS_GNUCXX 1) |
|
set(CMAKE_COMPILER_IS_CLANGCXX 1) |
|
endif() |
|
if(CMAKE_C_COMPILER_ID STREQUAL "Clang") |
|
set(CMAKE_COMPILER_IS_GNUCC 1) |
|
set(CMAKE_COMPILER_IS_CLANGCC 1) |
|
endif() |
|
if("${CMAKE_CXX_COMPILER};${CMAKE_C_COMPILER}" MATCHES "ccache") |
|
set(CMAKE_COMPILER_IS_CCACHE 1) |
|
endif() |
|
|
|
if((CMAKE_COMPILER_IS_CLANGCXX OR CMAKE_COMPILER_IS_CLANGCC OR CMAKE_COMPILER_IS_CCACHE) AND NOT CMAKE_GENERATOR MATCHES "Xcode") |
|
set(ENABLE_PRECOMPILED_HEADERS OFF CACHE BOOL "" FORCE) |
|
endif() |
|
|
|
# ---------------------------------------------------------------------------- |
|
# Detect Intel ICC compiler -- for -fPIC in 3rdparty ( UNIX ONLY ): |
|
# see include/opencv/cxtypes.h file for related ICC & CV_ICC defines. |
|
# NOTE: The system needs to determine if the '-fPIC' option needs to be added |
|
# for the 3rdparty static libs being compiled. The CMakeLists.txt files |
|
# in 3rdparty use the CV_ICC definition being set here to determine if |
|
# the -fPIC flag should be used. |
|
# ---------------------------------------------------------------------------- |
|
if(UNIX) |
|
if (__ICL) |
|
set(CV_ICC __ICL) |
|
elseif(__ICC) |
|
set(CV_ICC __ICC) |
|
elseif(__ECL) |
|
set(CV_ICC __ECL) |
|
elseif(__ECC) |
|
set(CV_ICC __ECC) |
|
elseif(__INTEL_COMPILER) |
|
set(CV_ICC __INTEL_COMPILER) |
|
elseif(CMAKE_C_COMPILER MATCHES "icc") |
|
set(CV_ICC icc_matches_c_compiler) |
|
endif() |
|
endif() |
|
|
|
if(MSVC AND CMAKE_C_COMPILER MATCHES "icc") |
|
set(CV_ICC __INTEL_COMPILER_FOR_WINDOWS) |
|
endif() |
|
|
|
# ---------------------------------------------------------------------------- |
|
# Detect GNU version: |
|
# ---------------------------------------------------------------------------- |
|
if(CMAKE_COMPILER_IS_CLANGCXX) |
|
set(CMAKE_GCC_REGEX_VERSION "4.2.1") |
|
set(CMAKE_OPENCV_GCC_VERSION_MAJOR 4) |
|
set(CMAKE_OPENCV_GCC_VERSION_MINOR 2) |
|
set(CMAKE_OPENCV_GCC_VERSION 42) |
|
set(CMAKE_OPENCV_GCC_VERSION_NUM 402) |
|
|
|
execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -v |
|
ERROR_VARIABLE CMAKE_OPENCV_CLANG_VERSION_FULL |
|
ERROR_STRIP_TRAILING_WHITESPACE) |
|
|
|
string(REGEX MATCH "version.*$" CMAKE_OPENCV_CLANG_VERSION_FULL "${CMAKE_OPENCV_CLANG_VERSION_FULL}") |
|
string(REGEX MATCH "[0-9]+\\.[0-9]+" CMAKE_CLANG_REGEX_VERSION "${CMAKE_OPENCV_CLANG_VERSION_FULL}") |
|
|
|
elseif(CMAKE_COMPILER_IS_GNUCXX) |
|
execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -dumpversion |
|
OUTPUT_VARIABLE CMAKE_OPENCV_GCC_VERSION_FULL |
|
OUTPUT_STRIP_TRAILING_WHITESPACE) |
|
|
|
execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -v |
|
ERROR_VARIABLE CMAKE_OPENCV_GCC_INFO_FULL |
|
OUTPUT_STRIP_TRAILING_WHITESPACE) |
|
|
|
# Typical output in CMAKE_OPENCV_GCC_VERSION_FULL: "c+//0 (whatever) 4.2.3 (...)" |
|
# Look for the version number, major.minor.build |
|
string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}") |
|
if(NOT CMAKE_GCC_REGEX_VERSION)#major.minor |
|
string(REGEX MATCH "[0-9]+\\.[0-9]+" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}") |
|
endif() |
|
|
|
if(CMAKE_GCC_REGEX_VERSION) |
|
# Split the parts: |
|
string(REGEX MATCHALL "[0-9]+" CMAKE_OPENCV_GCC_VERSIONS "${CMAKE_GCC_REGEX_VERSION}") |
|
|
|
list(GET CMAKE_OPENCV_GCC_VERSIONS 0 CMAKE_OPENCV_GCC_VERSION_MAJOR) |
|
list(GET CMAKE_OPENCV_GCC_VERSIONS 1 CMAKE_OPENCV_GCC_VERSION_MINOR) |
|
else()#compiler returned just the major version number |
|
string(REGEX MATCH "[0-9]+" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}") |
|
if(NOT CMAKE_GCC_REGEX_VERSION)#compiler did not return anything reasonable |
|
set(CMAKE_GCC_REGEX_VERSION "0") |
|
message(WARNING "GCC version not detected!") |
|
endif() |
|
set(CMAKE_OPENCV_GCC_VERSION_MAJOR ${CMAKE_GCC_REGEX_VERSION}) |
|
set(CMAKE_OPENCV_GCC_VERSION_MINOR 0) |
|
endif() |
|
|
|
set(CMAKE_OPENCV_GCC_VERSION ${CMAKE_OPENCV_GCC_VERSION_MAJOR}${CMAKE_OPENCV_GCC_VERSION_MINOR}) |
|
math(EXPR CMAKE_OPENCV_GCC_VERSION_NUM "${CMAKE_OPENCV_GCC_VERSION_MAJOR}*100 + ${CMAKE_OPENCV_GCC_VERSION_MINOR}") |
|
message(STATUS "Detected version of GNU GCC: ${CMAKE_OPENCV_GCC_VERSION} (${CMAKE_OPENCV_GCC_VERSION_NUM})") |
|
|
|
if(WIN32) |
|
execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpmachine |
|
OUTPUT_VARIABLE OPENCV_GCC_TARGET_MACHINE |
|
OUTPUT_STRIP_TRAILING_WHITESPACE) |
|
if(OPENCV_GCC_TARGET_MACHINE MATCHES "amd64|x86_64|AMD64") |
|
set(MINGW64 1) |
|
endif() |
|
endif() |
|
endif() |
|
|
|
if(MSVC64 OR MINGW64) |
|
set(X86_64 1) |
|
elseif(MINGW OR (MSVC AND NOT CMAKE_CROSSCOMPILING)) |
|
set(X86 1) |
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*") |
|
set(X86_64 1) |
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "i686.*|i386.*|x86.*|amd64.*|AMD64.*") |
|
set(X86 1) |
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm.*|ARM.*)") |
|
set(ARM 1) |
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)") |
|
set(AARCH64 1) |
|
endif() |
|
|
|
# Workaround for 32-bit operating systems on 64-bit x86_64 processor |
|
if(X86_64 AND CMAKE_SIZEOF_VOID_P EQUAL 4 AND NOT FORCE_X86_64) |
|
message(STATUS "sizeof(void) = 4 on x86 / x86_64 processor. Assume 32-bit compilation mode (X86=1)") |
|
unset(X86_64) |
|
set(X86 1) |
|
endif() |
|
|
|
# Similar code exists in OpenCVConfig.cmake |
|
if(NOT DEFINED OpenCV_STATIC) |
|
# look for global setting |
|
if(NOT DEFINED BUILD_SHARED_LIBS OR BUILD_SHARED_LIBS) |
|
set(OpenCV_STATIC OFF) |
|
else() |
|
set(OpenCV_STATIC ON) |
|
endif() |
|
endif() |
|
|
|
if(MSVC) |
|
if(CMAKE_CL_64) |
|
set(OpenCV_ARCH x64) |
|
elseif((CMAKE_GENERATOR MATCHES "ARM") OR ("${arch_hint}" STREQUAL "ARM") OR (CMAKE_VS_EFFECTIVE_PLATFORMS MATCHES "ARM|arm")) |
|
# see Modules/CmakeGenericSystem.cmake |
|
set(OpenCV_ARCH ARM) |
|
else() |
|
set(OpenCV_ARCH x86) |
|
endif() |
|
if(MSVC_VERSION EQUAL 1400) |
|
set(OpenCV_RUNTIME vc8) |
|
elseif(MSVC_VERSION EQUAL 1500) |
|
set(OpenCV_RUNTIME vc9) |
|
elseif(MSVC_VERSION EQUAL 1600) |
|
set(OpenCV_RUNTIME vc10) |
|
elseif(MSVC_VERSION EQUAL 1700) |
|
set(OpenCV_RUNTIME vc11) |
|
elseif(MSVC_VERSION EQUAL 1800) |
|
set(OpenCV_RUNTIME vc12) |
|
elseif(MSVC_VERSION EQUAL 1900) |
|
set(OpenCV_RUNTIME vc14) |
|
endif() |
|
elseif(MINGW) |
|
set(OpenCV_RUNTIME mingw) |
|
|
|
if(MINGW64) |
|
set(OpenCV_ARCH x64) |
|
else() |
|
set(OpenCV_ARCH x86) |
|
endif() |
|
endif()
|
|
|