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cmake_minimum_required(VERSION 3.5)
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if(POLICY CMP0129)
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cmake_policy(SET CMP0129 NEW)
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endif()
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project(CheckCXXCompilerFlag)
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message(STATUS "CTEST_FULL_OUTPUT (Avoid ctest truncation of output)")
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set(CMAKE_VERBOSE_MAKEFILE 1)
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macro(TEST_FAIL value msg)
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if (${value})
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message (SEND_ERROR "Test fail:" ${msg} ${Out} )
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endif ()
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|
endmacro()
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|
|
macro(TEST_PASS value msg)
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|
|
if (NOT ${value})
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|
|
message (SEND_ERROR "Test fail:" ${msg} ${Out} )
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|
|
endif ()
|
|
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|
|
endmacro()
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|
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|
|
if(CMAKE_COMPILER_IS_GNUCXX)
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|
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|
|
exec_program(${CMAKE_C_COMPILER} ARGS --version OUTPUT_VARIABLE _gcc_version_info)
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|
|
|
|
string (REGEX MATCH "[345]\\.[0-9]\\.[0-9]" _gcc_version "${_gcc_version_info}")
|
|
|
|
|
# gcc on mac just reports: "gcc (GCC) 3.3 20030304 ..." without the
|
|
|
|
|
# patch level, handle this here:
|
|
|
|
|
if(NOT _gcc_version)
|
|
|
|
|
string (REGEX REPLACE ".*\\(GCC\\).* ([34]\\.[0-9]) .*" "\\1.0" _gcc_version "${_gcc_version_info}")
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
if(CMAKE_CXX_COMPILER_ID MATCHES Clang)
|
|
|
|
|
exec_program(${CMAKE_CXX_COMPILER} ARGS --version OUTPUT_VARIABLE _clang_version_info)
|
|
|
|
|
string (REGEX REPLACE ".*version ([0-9]\\.[0-9]).*" "\\1" _clang_version "${_clang_version_info}")
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
|
|
|
|
|
exec_program(${CMAKE_CXX_COMPILER} ARGS -V OUTPUT_VARIABLE _intel_version_info)
|
|
|
|
|
string (REGEX REPLACE ".*Version ([0-9]+(\\.[0-9]+)+).*" "\\1" _intel_version "${_intel_version_info}")
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
message("Platform:\n WIN32: ${WIN32}\n UNIX: ${UNIX}\n APPLE: ${APPLE}\n MINGW: ${MINGW}\n CYGWIN: ${CYGWIN}\n MSYS: ${MSYS}\n"
|
|
|
|
|
" MSVC: ${MSVC}\n MSVC60: ${MSVC60}\n MSVC70: ${MSVC70}\n MSVC71: ${MSVC71}\n MSVC80: ${MSVC80}\n MSVC90: ${MSVC90}\n MSVC10: ${MSVC10}\n"
|
|
|
|
|
" GCC: ${_gcc_version}\n"
|
|
|
|
|
" Clang: ${_clang_version}\n"
|
|
|
|
|
" Intel: ${_intel_version}\n"
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
include(CheckCXXCompilerFlag)
|
|
|
|
|
|
|
|
|
|
check_cxx_compiler_flag(-fvisibility=hidden HAS_HIDDEN_VISIBILITY)
|
|
|
|
|
|
|
|
|
|
message("HAS_HIDDEN_VISIBILITY: ${HAS_HIDDEN_VISIBILITY}\n\nCOMPILE OUTPUT:\n${OUTPUT}")
|
|
|
|
|
|
|
|
|
|
if(CMAKE_COMPILER_IS_GNUCXX)
|
|
|
|
|
if(NOT WIN32)
|
|
|
|
|
# test_pass(HAS_HIDDEN_VISIBILITY "GCC should support hidden visibility, but does not.")
|
|
|
|
|
endif()
|
|
|
|
|
else()
|
|
|
|
|
message("Unhandled Platform")
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|LCC|Clang" AND NOT "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
|
|
|
|
|
check_cxx_compiler_flag("-x c++" HAVE_X_CXX)
|
|
|
|
|
if(NOT HAVE_X_CXX)
|
|
|
|
|
message(FATAL_ERROR "${CMAKE_CXX_COMPILER_ID} compiler flag '-x c++' check failed")
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
