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CMake/Modules/CMakeTestCompilerCommon.cmake

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Simplify CMake per-source license notices Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
2016-09-27 19:01:08 +00:00
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
Make a common function that prints the status during the checks for working compilers. Call it from all of the CMakeTesten_US.UTF-8Compiler.cmake files. In the message, print the full path to the tested compiler only for the Makefile generators. For Xcode and Visual Studio generators, print the generator instead so that users are not misled with the full path to a compiler that the generator may not even use. Xcode and Visual Studio have their own mechanisms for choosing the compiler to use during try_compile and build...
2010-02-12 19:32:20 +00:00
Refactor: Use added message types in various modules Co-Authored-By: Craig Scott <craig.scott@crascit.com>
2019-08-13 02:02:14 +00:00
function(PrintTestCompilerStatus LANG)
# ARGN shouldn't be needed now, but it is there to preserve backward
# compatibility in case this function is called from project code or
# custom toolchains (they shouldn't, but we can easily support it)
message(CHECK_START "Check for working ${LANG} compiler: ${CMAKE_${LANG}_COMPILER}${ARGN}")
endfunction()
function(PrintTestCompilerResult TYPE MSG)
message(${TYPE} "${MSG}")
Make a common function that prints the status during the checks for working compilers. Call it from all of the CMakeTesten_US.UTF-8Compiler.cmake files. In the message, print the full path to the tested compiler only for the Makefile generators. For Xcode and Visual Studio generators, print the generator instead so that users are not misled with the full path to a compiler that the generator may not even use. Xcode and Visual Studio have their own mechanisms for choosing the compiler to use during try_compile and build...
2010-02-12 19:32:20 +00:00
endfunction()
GHS: Add Compiler ID detection -- Detect GHS compiler and version Detect ARCHITECTURE_ID for PPC / ARM / 86 targets Detect PLATFORM_ID for Integrity and Integrity178 platforms Using defines specified in the documents for the compilers: 201416 PPC / 201754 ARM / 201714 86 -- Fallback C/CXX compiler ID to GHS if not otherwise detected and using GHS MULTI generator Works around issue with some GHS compilers not setting __ghs__ compiler define -- Tweak Compiler ID checking so major id of 002017 is not replaced with 217 -- Prefer try_compile() library targets when testing for working GHS compilers -- Avoid CMake errors if reading past end of file for checking if file is PE executable
2019-01-09 04:52:12 +00:00
# if required set the target type if not already explicitly set
macro(__TestCompiler_setTryCompileTargetType)
if(NOT CMAKE_TRY_COMPILE_TARGET_TYPE)
if("${CMAKE_GENERATOR}" MATCHES "Green Hills MULTI")
#prefer static libraries to avoid linking issues
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
set(__CMAKE_TEST_COMPILER_TARGET_TYPE_RESTORE 1)
endif()
endif()
endmacro()
# restore the original value
# -- not necessary if __TestCompiler_setTryCompileTargetType() was used in function scope
macro(__TestCompiler_restoreTryCompileTargetType)
if(__CMAKE_TEST_COMPILER_TARGET_TYPE_RESTORE)
unset(CMAKE_TRY_COMPILE_TARGET_TYPE)
unset(__CMAKE_TEST_COMPILER_TARGET_TYPE_RESTORE)
endif()
endmacro()
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