/usr/share/cmake-3.10/Modules/CMakeTestCXXCompiler.cmake is in cmake-data 3.10.2-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | # Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
if(CMAKE_CXX_COMPILER_FORCED)
# The compiler configuration was forced by the user.
# Assume the user has configured all compiler information.
set(CMAKE_CXX_COMPILER_WORKS TRUE)
return()
endif()
include(CMakeTestCompilerCommon)
# Remove any cached result from an older CMake version.
# We now store this in CMakeCXXCompiler.cmake.
unset(CMAKE_CXX_COMPILER_WORKS CACHE)
# This file is used by EnableLanguage in cmGlobalGenerator to
# determine that that selected C++ compiler can actually compile
# and link the most basic of programs. If not, a fatal error
# is set and cmake stops processing commands and will not generate
# any makefiles or projects.
if(NOT CMAKE_CXX_COMPILER_WORKS)
PrintTestCompilerStatus("CXX" "")
file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCXXCompiler.cxx
"#ifndef __cplusplus\n"
"# error \"The CMAKE_CXX_COMPILER is set to a C compiler\"\n"
"#endif\n"
"int main(){return 0;}\n")
try_compile(CMAKE_CXX_COMPILER_WORKS ${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testCXXCompiler.cxx
OUTPUT_VARIABLE __CMAKE_CXX_COMPILER_OUTPUT)
# Move result from cache to normal variable.
set(CMAKE_CXX_COMPILER_WORKS ${CMAKE_CXX_COMPILER_WORKS})
unset(CMAKE_CXX_COMPILER_WORKS CACHE)
set(CXX_TEST_WAS_RUN 1)
endif()
if(NOT CMAKE_CXX_COMPILER_WORKS)
PrintTestCompilerStatus("CXX" " -- broken")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining if the CXX compiler works failed with "
"the following output:\n${__CMAKE_CXX_COMPILER_OUTPUT}\n\n")
string(REPLACE "\n" "\n " _output "${__CMAKE_CXX_COMPILER_OUTPUT}")
message(FATAL_ERROR "The C++ compiler\n \"${CMAKE_CXX_COMPILER}\"\n"
"is not able to compile a simple test program.\nIt fails "
"with the following output:\n ${_output}\n\n"
"CMake will not be able to correctly generate this project.")
else()
if(CXX_TEST_WAS_RUN)
PrintTestCompilerStatus("CXX" " -- works")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining if the CXX compiler works passed with "
"the following output:\n${__CMAKE_CXX_COMPILER_OUTPUT}\n\n")
endif()
# Try to identify the ABI and configure it into CMakeCXXCompiler.cmake
include(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerABI.cmake)
CMAKE_DETERMINE_COMPILER_ABI(CXX ${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp)
# Try to identify the compiler features
include(${CMAKE_ROOT}/Modules/CMakeDetermineCompileFeatures.cmake)
CMAKE_DETERMINE_COMPILE_FEATURES(CXX)
# Re-configure to save learned information.
configure_file(
${CMAKE_ROOT}/Modules/CMakeCXXCompiler.cmake.in
${CMAKE_PLATFORM_INFO_DIR}/CMakeCXXCompiler.cmake
@ONLY
)
include(${CMAKE_PLATFORM_INFO_DIR}/CMakeCXXCompiler.cmake)
if(CMAKE_CXX_SIZEOF_DATA_PTR)
foreach(f ${CMAKE_CXX_ABI_FILES})
include(${f})
endforeach()
unset(CMAKE_CXX_ABI_FILES)
endif()
endif()
unset(__CMAKE_CXX_COMPILER_OUTPUT)
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