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.
96 lines
3.8 KiB
96 lines
3.8 KiB
# ---------------------------------------------------------------------------- |
|
# Detect Microsoft compiler: |
|
# ---------------------------------------------------------------------------- |
|
if(CMAKE_CL_64) |
|
set(MSVC64 1) |
|
endif() |
|
|
|
if(NOT APPLE) |
|
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") |
|
set(CMAKE_COMPILER_IS_GNUCXX 1) |
|
set(ENABLE_PRECOMPILED_HEADERS OFF CACHE BOOL "" FORCE) |
|
endif() |
|
if(CMAKE_C_COMPILER_ID STREQUAL "Clang") |
|
set(CMAKE_COMPILER_IS_GNUCC 1) |
|
set(ENABLE_PRECOMPILED_HEADERS OFF CACHE BOOL "" FORCE) |
|
endif() |
|
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() |
|
|
|
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR (UNIX AND CV_ICC)) |
|
set(CV_COMPILER_IS_GNU TRUE) |
|
else() |
|
set(CV_COMPILER_IS_GNU FALSE) |
|
endif() |
|
|
|
# ---------------------------------------------------------------------------- |
|
# Detect GNU version: |
|
# ---------------------------------------------------------------------------- |
|
if(CMAKE_COMPILER_IS_GNUCXX) |
|
execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} --version |
|
OUTPUT_VARIABLE CMAKE_OPENCV_GCC_VERSION_FULL |
|
OUTPUT_STRIP_TRAILING_WHITESPACE) |
|
|
|
execute_process(COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -v |
|
ERROR_VARIABLE CMAKE_OPENCV_GCC_INFO_FULL |
|
OUTPUT_STRIP_TRAILING_WHITESPACE) |
|
|
|
# Typical output in CMAKE_OPENCV_GCC_VERSION_FULL: "c+//0 (whatever) 4.2.3 (...)" |
|
# Look for the version number |
|
string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}") |
|
if(NOT CMAKE_GCC_REGEX_VERSION) |
|
string(REGEX MATCH "[0-9]+\\.[0-9]+" CMAKE_GCC_REGEX_VERSION "${CMAKE_OPENCV_GCC_VERSION_FULL}") |
|
endif() |
|
|
|
# Split the three parts: |
|
string(REGEX MATCHALL "[0-9]+" CMAKE_OPENCV_GCC_VERSIONS "${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) |
|
|
|
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 CMAKE_OPENCV_GCC_TARGET_MACHINE |
|
OUTPUT_STRIP_TRAILING_WHITESPACE) |
|
if(CMAKE_OPENCV_GCC_TARGET_MACHINE MATCHES "64") |
|
set(MINGW64 1) |
|
endif() |
|
endif() |
|
endif() |
|
|
|
if(CMAKE_SYSTEM_PROCESSOR MATCHES amd64.*|x86_64.* OR CMAKE_GENERATOR MATCHES "Visual Studio.*Win64") |
|
set(X86_64 1) |
|
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES i686.*|i386.*|x86.*) |
|
set(X86 1) |
|
endif()
|
|
|