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CMake/Modules/Compiler/QCC.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copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong.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 22:01:08 +03:00
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
QNX: Add missing flags for configurations and artifact creation. Commit v3.0.0-rc1~111^2 (QNX: Introduce QCC compiler id for that QNX platform compiler., 2014-01-20) split handling of the QNX QCC compiler into a separate compiler-id. That refactoring results in the QCC compiler not using the CMake-compiler-id "GNU", which means that the __compiler_gnu macro is no longer executed for it. Add Compiler/QCC*.cmake modules to define and call the __compiler_qcc macro and teach it to call __compiler_gnu internally. Remove the corresponding pieces from the Platform/QNX*.cmake modules. It is also necessary to change the language conditional to dereference the lang macro parameter, which is another bug introduced by the same commit. The extra -lang-c++ flag is only necessary when the CXX compiler is specified as 'qcc' instead of 'QCC' in the toolchain file, which is why this bug was not noticed before. The flag is also necessary in that case when linking in order to find the appropriate standard libraries. The flag was not previously added when linking executables, so linking failed even with CMake 2.8.12 with the lower-case compiler-id. Co-Author: Brad King <brad.king@kitware.com>
2014-07-15 13:01:36 +04:00
include(Compiler/GNU)
macro(__compiler_qcc lang)
__compiler_gnu(${lang})
# http://www.qnx.com/developers/docs/6.4.0/neutrino/utilities/q/qcc.html#examples
set(CMAKE_${lang}_COMPILE_OPTIONS_TARGET "-V")
set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang} "-Wp,-isystem,")
Ninja: Add dependencies on system-provided header files (#14914) When system-provided packages are upgraded we must re-compile sources depending on their headers. Use `-MD` instead of `-MMD` so that the generated depfiles do not exclude system headers. Suggested-by: Jussi Judin
2016-03-15 17:15:53 +03:00
set(CMAKE_DEPFILE_FLAGS_${lang} "-Wc,-MD,<DEPFILE>,-MT,<OBJECT>,-MF,<DEPFILE>")
QNX: Add missing flags for configurations and artifact creation. Commit v3.0.0-rc1~111^2 (QNX: Introduce QCC compiler id for that QNX platform compiler., 2014-01-20) split handling of the QNX QCC compiler into a separate compiler-id. That refactoring results in the QCC compiler not using the CMake-compiler-id "GNU", which means that the __compiler_gnu macro is no longer executed for it. Add Compiler/QCC*.cmake modules to define and call the __compiler_qcc macro and teach it to call __compiler_gnu internally. Remove the corresponding pieces from the Platform/QNX*.cmake modules. It is also necessary to change the language conditional to dereference the lang macro parameter, which is another bug introduced by the same commit. The extra -lang-c++ flag is only necessary when the CXX compiler is specified as 'qcc' instead of 'QCC' in the toolchain file, which is why this bug was not noticed before. The flag is also necessary in that case when linking in order to find the appropriate standard libraries. The flag was not previously added when linking executables, so linking failed even with CMake 2.8.12 with the lower-case compiler-id. Co-Author: Brad King <brad.king@kitware.com>
2014-07-15 13:01:36 +04:00
endmacro()