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* Simplify CMake per-source license noticesBrad King2016-09-271-11/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong.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.
* Avoid else after returnDaniel Pfeifer2016-09-161-2/+1
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* try_compile: Add policy CMP0066 to honor CMAKE_<LANG>_FLAGS_<CONFIG>Brad King2016-06-291-0/+37
| | | | | | | | | | | | | | | | In the `try_compile` source file signature we propagate the caller's value of `CMAKE_<LANG>_FLAGS` into the test project. Extend this to propagate `CMAKE_<LANG>_FLAGS_<CONFIG>` too instead of always using the default value in the test project. This will be useful, for example, to allow the MSVC runtime library to be changed (e.g. `-MDd` => `-MTd`). However, some projects may currently depend on this not being done, so we need to activate the behavior using a policy. This change was originally made by commit v3.6.0-rc1~160^2 (try_compile: Honor CMAKE_<LANG>_FLAGS_<CONFIG> changes, 2016-04-11) but without the policy and so had to be reverted during the 3.6 release candidate cycle. Fixes #16174.
* Merge topic 'revert-try_compile-config-flags'Brad King2016-06-291-8/+0
|\ | | | | | | | | 943fe6e3 Revert "try_compile: Honor CMAKE_<LANG>_FLAGS_<CONFIG> changes"
| * Revert "try_compile: Honor CMAKE_<LANG>_FLAGS_<CONFIG> changes"Brad King2016-06-281-8/+0
| | | | | | | | | | | | | | | | | | | | Revert commit v3.6.0-rc1~160^2 (try_compile: Honor CMAKE_<LANG>_FLAGS_<CONFIG> changes, 2016-04-11). The behavior it introduced can break projects that depend on the lack of such behavior. We will have to introduce a policy or other mechanism to enable the behavior in a compatible way. Simply revert it for now. See issue #16174.
* | use CM_NULLPTRDaniel Pfeifer2016-06-281-1/+1
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* try_compile: Optionally forward custom platform variables to test projectBrad King2016-05-251-0/+9
| | | | | | | | | Add a `CMAKE_TRY_COMPILE_PLATFORM_VARIABLES` variable to specify a list of custom variables to be forwarded to a `try_compile` test project. This will be useful for platform information modules or toolchain files to forward some platform-specific set of variables from the host project (perhaps set in its cache) to the test project so that it can build the same way.
* cmCoreTryCompile: Refactor forwarding of variables to test projectBrad King2016-05-251-74/+60
| | | | | | | De-duplicate the logic that constructs the cmake `-D` flag used to pass variables into the test project cache. Also subsume variables that were propagated by generating `set()` commands in the project and pass them as cache entries instead.
* Revise C++ coding style using clang-formatKitware Robot2016-05-161-364/+262
| | | | | | | | | | | | | Run the `Utilities/Scripts/clang-format.bash` script to update all our C++ code to a new style defined by `.clang-format`. Use `clang-format` version 3.8. * If you reached this commit for a line in `git blame`, re-run the blame operation starting at the parent of this commit to see older history for the content. * See the parent commit for instructions to rebase a change across this style transition commit.
* Isolate formatted streaming blocks with clang-format off/onBrad King2016-05-061-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The clang-format tool can do a good job formatting most code, but well-organized streaming blocks are best left manually formatted. Find blocks of the form os << "...\n" "...\n" ; using the command $ git ls-files -z -- Source | egrep -v -z '^Source/kwsys/' | xargs -0 pcregrep -M --color=always -B 1 -A 1 -n \ '<<[^\n]*\n(^ *("[^\n]*("|<<|;)$|;)\n){2,}' Find blocks of the form os << "...\n" << "...\n" << "...\n"; using the command $ git ls-files -z -- Source | egrep -v -z '^Source/kwsys/' | xargs -0 pcregrep -M --color=always -B 1 -A 1 -n \ '<<[^\n]*\n(^ *<<[^\n]*(\\n"|<<|;)$\n){2,}' Surround such blocks with the pair /* clang-format off */ ... /* clang-format on */ in order to protect them from update by clang-format. Use the C-style `/*...*/` comments instead of C++-style `//...` comments in order to prevent them from ever being swallowed by re-formatting of surrounding comments.
* Format include directive blocks and ordering with clang-formatBrad King2016-04-291-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sort include directives within each block (separated by a blank line) in lexicographic order (except to prioritize `sys/types.h` first). First run `clang-format` with the config file: --- SortIncludes: false ... Commit the result temporarily. Then run `clang-format` again with: --- SortIncludes: true IncludeCategories: - Regex: 'sys/types.h' Priority: -1 ... Commit the result temporarily. Start a new branch and cherry-pick the second commit. Manually resolve conflicts to preserve indentation of re-ordered includes. This cleans up the include ordering without changing any other style. Use the following command to run `clang-format`: $ git ls-files -z -- \ '*.c' '*.cc' '*.cpp' '*.cxx' '*.h' '*.hh' '*.hpp' '*.hxx' | egrep -z -v '(Lexer|Parser|ParserHelper)\.' | egrep -z -v '^Source/cm_sha2' | egrep -z -v '^Source/(kwsys|CursesDialog/form)/' | egrep -z -v '^Utilities/(KW|cm).*/' | egrep -z -v '^Tests/Module/GenerateExportHeader' | egrep -z -v '^Tests/RunCMake/CommandLine/cmake_depends/test_UTF-16LE.h' | xargs -0 clang-format -i This selects source files that do not come from a third-party. Inspired-by: Daniel Pfeifer <daniel@pfeifer-mail.de>
* Source: Stabilize include orderBrad King2016-04-291-0/+1
| | | | | Each source file has a logical first include file. Include it in an isolated block so that tools that sort includes do not move them.
* try_compile: Honor CMAKE_<LANG>_FLAGS_<CONFIG> changes (#16054)Brad King2016-04-111-0/+7
| | | | | | | | In the `try_compile` source file signature we propagate the caller's value of `CMAKE_<LANG>_FLAGS` into the test project. Extend this to propagate `CMAKE_<LANG>_FLAGS_<CONFIG>` too instead of always using the default value in the test project. This will be useful, for example, to allow the MSVC runtime library to be changed (e.g. `-MDd` => `-MTd`).
* cmCoreTryCompile: Factor out config lookup for re-useBrad King2016-04-111-2/+4
| | | | | Store the lookup of CMAKE_TRY_COMPILE_CONFIGURATION in a local variable so we can re-use it.
* try_compile: Add option to control type of targetBrad King2016-02-191-10/+63
| | | | | | | Create a `CMAKE_TRY_COMPILE_TARGET_TYPE` option to specify use of `add_library(... STATIC ...)` for the generated test project. This will be useful for cross-compiling toolchains that cannot link a binary without custom flags or scripts.
* cmExportTryCompileFileGenerator: Port to cmGeneratorTarget.Stephen Kelly2015-10-181-4/+3
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* cmState: Move GetTargetTypeName from cmTarget.Stephen Kelly2015-10-141-1/+1
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* cmState: Move TargetType enum from cmTarget.Stephen Kelly2015-10-141-5/+5
| | | | | | | Mostly automated: values=( "EXECUTABLE" "STATIC_LIBRARY" "SHARED_LIBRARY" "MODULE_LIBRARY" "OBJECT_LIBRARY" "UTILITY" "GLOBAL_TARGET" "INTERFACE_LIBRARY" "UNKNOWN_LIBRARY" "TargetType") for i in "${values[@]}"; do git grep -l cmTarget::$i | xargs sed -i "s|cmTarget::$i|cmState::$i|g"; done
* cmCoreTryCompile: Fix internal argument vector constructionBrad King2015-09-241-5/+1
| | | | | | | | | In TryCompileCode we construct an internal argv[] vector that needs to have a fake argv[0] so our internal cmake command line looks like a real command line. Fix construction of the fake argv[0] when try_compile is called without the CMAKE_FLAGS argument. Otherwise the first internal -DVAR=val argument that we use to pass information like CMAKE_OSX_SYSROOT is ignored.
* try_compile: Propogate CMP0065 to the generated project.Chuck Atkins2015-09-211-0/+10
| | | | | | | Set policy CMP0065 to the value used in the calling project. Set the the value of CMAKE_ENABLE_EXPORTS if set in the calling project to initialize the target property appropriately.
* try_compile: Propogate the CMAKE_LINK_SEARCH_ variablesChuck Atkins2015-08-141-0/+10
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* cmExportTryCompileFileGenerator: Create cmGeneratorTargets.Stephen Kelly2015-07-271-1/+1
| | | | | This is not a deprecated behavior, but only requires IMPORTED targets be made.
* Port static calls from cmLocalGenerator to cmOutputConverter.Stephen Kelly2015-06-061-3/+3
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* Don't use a cmLocalGenerator instance to call static methods.Stephen Kelly2015-05-141-4/+4
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* Port to static cmPolicies API.Stephen Kelly2015-05-041-4/+2
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* cmState: Move CacheEntryType enum from cmCacheManager.Stephen Kelly2015-04-131-2/+1
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* Include cmAlgorithms where it is used.Stephen Kelly2015-03-101-0/+1
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* Convert some raw loops to cmWrap.Stephen Kelly2015-02-201-5/+3
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* Use cmJoin where possible.Stephen Kelly2015-02-201-12/+3
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* cmCoreTryCompile: Remove variable assignment.Stephen Kelly2015-02-171-2/+1
| | | | | The variable is not a reference, and we return in the same scope after assigning, so it has no effect.
* try_compile: Use shorter test executable name with consistent lengthBrad King2015-02-101-2/+2
| | | | | | | | | | | | | Since commit v2.8.8~176^2 (try_compile: Use random executable file name, 2012-02-13) the length of the test executable name in generated try_compile projects has been longer and unpredictable. With Visual Studio on windows, the tools try to create paths like: CMakeFiles/CMakeTmp/$tgt.dir/Debug/$tgt.tlog/$tgt.lastbuildstate With the target name repeated up to 3 times, we must make it short and of consistent length to avoid overrunning the 260 character limit imposed by VS tools.
* try_compile: Quote the content of CMAKE_MODULE_PATH to allow for spacesNils Gladitz2015-02-091-1/+1
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* Merge topic 'try-run-link-libraries'Brad King2015-01-261-1/+1
|\ | | | | | | | | | | | | d0adcccb try_run: Add tests for LINK_LIBRARIES with mock libraries. 223c5cb7 try_run: Add test for bad link libraries. e2b1f058 try_run: Add support for LINK_LIBRARIES option.
| * try_run: Add support for LINK_LIBRARIES option.Matt McCormick2015-01-261-1/+1
| | | | | | | | | | | | | | | | Most functionality is already implemented in Source/cmCoreTryCompile.{h,cxx}. Document and improve argument parsing. This functionality is already being used by a number of modules, like CheckCSourceCompiles.cmake, but it is not documented.
* | Replace foo.size() pattern with !foo.empty().Stephen Kelly2015-01-181-4/+4
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* | Replace 'foo.size() > 0' pattern with !foo.empty().Stephen Kelly2015-01-181-1/+1
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* | Port all cmOStringStream to std::ostringstream.Stephen Kelly2015-01-111-7/+7
|/ | | | All compilers hosting CMake support the std class.
* try_compile: Pass linker flags into test project (#14066)Brad King2014-12-031-0/+34
| | | | | | | | | | | | Copy CMAKE_EXE_LINKER_FLAGS into the test project generated by try_compile, just like we already copy CMAKE_<LANG>_FLAGS. Add CMake Policy CMP0056 to activate this behavior in a compatible way, but do not warn by default when the policy is not set since it will affect all try_compile calls. Extend the RunCMake.try_compile test with a case covering this behavior for each policy setting.
* CMakeDetermineCompilerABI: Use normal linker flags in ABI projectBrad King2014-12-031-0/+2
| | | | | | | | | When compiling the ABI detection test project, do not override CMAKE_EXE_LINKER_FLAGS completely. The normally selected value of this variable may influence how the link is done and may be needed to be representative of how the calling project will be built. Instead pass a variable that try_compile will reference as additional flags. Leave this behavior of try_compile undocumented for now.
* strings: Remove redundant calls to std::string::c_str()Nils Gladitz2014-10-151-8/+8
| | | | | Replacements were detected and performed by the clang tool remove-cstr-calls on a linux build.
* Teach try_compile COPY_FILE to look for IOS app bundles.Bill Hoffman2014-09-231-0/+4
| | | | | The COPY_FILE option on try_compile never looked for IOS application bundles. This caused it to fail if the CMAKE_MACOSX_BUNDLE was set.
* cmGlobalGenerator: Take Build output argument by referenceBrad King2014-07-311-1/+1
| | | | | | No call sites pass NULL to the output argument, so take it by reference to avoid the if(output) conditions. Propagate the change through the TryCompile APIs that call it.
* Remove c_str calls when using stream APIs.Stephen Kelly2014-03-111-3/+3
| | | | | Use an ad-hoc clang tool for matching the calls which should be ported.
* Remove some c_str() calls.Stephen Kelly2014-03-111-7/+7
| | | | | | Use the clang RemoveCStrCalls tool to automatically migrate the code. This was only run on linux, so does not have any positive or negative effect on other platforms.
* stringapi: Pass configuration names as stringsBen Boeckel2014-03-081-1/+1
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* strings: Remove cmStdString referencesBen Boeckel2014-03-081-1/+1
| | | | | | | | | | | Casts from std::string -> cmStdString were high on the list of things taking up time. Avoid such implicit casts across function calls by just using std::string everywhere. The comment that the symbol name is too long is no longer relevant since modern debuggers alias the templates anyways and the size is a non-issue since the underlying methods are generated since it's inherited.
* stringapi: Use strings in target nameBen Boeckel2014-03-081-5/+6
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* stringapi: Use strings for the languagesBen Boeckel2014-03-081-1/+2
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* Windows: Make file delete/rename retry configurableBrad King2014-02-121-4/+9
| | | | | | | | | | | | | | | | | | Several CMake operations need to replace files in rapid succession. This commonly fails on Windows due to filesystem lock behavior so we have retry loops. No matter how many times we retry or how long we delay there will inevitably be someone with an environment that needs more. Make the retry count and delay configurable in the Windows Registry keys: {HKCU,HKLM}/Software/Kitware/CMake/Config in DWORD values FilesystemRetryCount = Number of tries FilesystemRetryDelay = Delay in milliseconds between tries Leave the feature undocumented for now to see how it goes.
* cmMakefile: make some methods take const std::string& instead of const char*Rolf Eike Beer2014-01-161-1/+1
| | | | | | | | Most callers already have a std::string, on which they called c_str() to pass it into these methods, which internally converted it back to std::string. Pass a std::string directly to these methods now, avoiding all these conversions. Those methods that only pass in a const char* will get the conversion to std::string now only once.
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