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* Apple: Preserve high resolution mtime for static librariesGregor Jasny2019-05-051-0/+14
| | | | | | | | | | | | On macOS ranlib truncates the fractional part of the static achive file modification time. If the archive and at least one contained object file were created within the same second this will make look the archive older than the object file. On subsequent ninja runs this leads to re-achiving and updating dependent targets. As a work-around we touch the archive after ranlib. Closes: #19222
* CUDA: Honor CUDA_RESOLVE_DEVICE_SYMBOLS for more target typesRobert Maynard2019-02-051-14/+15
| | | | | | | `CUDA_RESOLVE_DEVICE_SYMBOLS` can be used with shared, module, and executable target types. This relaxation is to allow for better interoperability with linkers that automatically do CUDA device symbol resolution and have no way to disable it.
* Merge topic 'cmake-files-directory'Brad King2019-01-251-5/+2
|\ | | | | | | | | | | | | | | 3e867ed400 cmake: inlined files dir constant and removed it from cmake.h Acked-by: Kitware Robot <kwrobot@kitware.com> Rejected-by: vvs31415 <vstakhovsky@fastmail.com> Merge-request: !2655
| * cmake: inlined files dir constant and removed it from cmake.hBruno Manganelli2019-01-211-5/+2
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* | clang-tidy: Use emplaceRegina Pfeifer2019-01-171-3/+3
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* IWYU: Update CMake code for IWYU built with Clang 6Brad King2019-01-151-0/+1
| | | | | IWYU now correctly requires `<utility>` for `std::move`. It also requires a container header when used via a range-based for loop.
* clang-tidy: Remove redundant member initializationsRegina Pfeifer2018-12-151-6/+0
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* Merge topic 'cuda-external'Brad King2018-12-061-0/+4
|\ | | | | | | | | | | | | 7b74213461 CUDA: Fix crash on linking to a CUDA target without CUDA enabled Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !2704
| * CUDA: Fix crash on linking to a CUDA target without CUDA enabledBrad King2018-12-051-0/+4
| | | | | | | | | | | | | | | | Do not try to device link or add CUDA runtime libraries if the language is not enabled. Fixes: #18673 Issue: #18614
* | cmNinjaNormalTargetGenerator: don't use `|| true` for link-what-you-useBen Boeckel2018-11-021-1/+0
|/ | | | | | | | With the `|| true`, a linker error before running link-what-you-use would also use the `|| true` fragment and unconditionally succeed. Just skip the addition since `--lwyu=` ignores the return value anyways. Fixes #18524
* cmMakefile: Make GetRequiredDefinition return std::stringVitaly Stakhovsky2018-09-051-2/+2
| | | | | | | In all cases the return value is converted to std::string anyway. Also remove unnecessary `c_str()` calls in arguments to `GetRequiredDefinition`.
* cmGeneratedFileStream: clang-tidy applied to remove redundant ``c_str`` callsSebastian Holtermann2018-08-071-1/+1
| | | | | | | | | | | | | | | After changing the ``cmGeneratedFileStream`` methods to accept ``std::string const&`` instead of ``const char*`` we don't need to call ``std::string::c_str`` anymore when passing a ``std::string`` to a ``cmGeneratedFileStream`` method. This patch removes all redundant ``std::string::c_str`` calls when passing a string to a ``cmGeneratedFileStream`` method. It was generated by building CMake with clang-tidy enabled using the following options: -DCMAKE_CXX_CLANG_TIDY=/usr/bin/clang-tidy-4.0;-checks=-*,readability-redundant-string-cstr;-fix;-fix-errors
* LINK_DEPENDS: add support for property INTERFACE_LINK_DEPENDSMarc Chevrier2018-06-271-2/+2
| | | | Fixes: #17997
* Ninja: Use native slashes to pass rsp filesMatthijs Kool2018-06-081-4/+4
| | | | | Some tools on Windows (e.g. Embarcadero linkers) can't handle forward slashes in paths to rsp files.
* Revise C++ coding style using clang-format-6.0Kitware Robot2018-06-011-11/+15
| | | | | | | | | | | | Run the `clang-format.bash` script to update all our C and C++ code to a new style defined by `.clang-format`. Use `clang-format` version 6.0. * 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.
* cmGeneratorTarget: Make import library checks config-awareMichael Stürmer2018-04-051-2/+2
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* CUDA: Pass more link libraries to device linkingRobert Maynard2018-03-281-1/+1
| | | | | | | | | | | | | | | | | Previously we dropped non-target items from the device link line because nvcc rejects paths to shared library files, and only with target items do we know the kind of library. However, this also prevents projects from linking to system-provided libraries like `cublas_device` that contain device code. Fix this by passing more link items to device linking. Items that are not file paths, such as `-lfoo`, can simply be passed unconditionally. Items that are targets known to be shared libraries can still be skipped. Items that are paths to library files can be passed directly if they end in `.a`. Otherwise, pass them using `-Xnvlink` to bypass nvcc's front-end. The nvlink tool knows to ignore shared library files. Issue: #16317
* Ninja: Generate scripts for long custom command sequencesRoger Leigh2018-02-061-2/+4
| | | | | | | | | | | | Ninja runs just one command line for every build statement, so the Ninja generator needs to `&&`-chain multiple commands together into one long string. For long custom command sequences this can exceed the maximum command-line length for the operating system. In such cases, write the commands out to a script instead, and then run the script from Ninja's one command line. Co-Author: Brad King <brad.king@kitware.com> Fixes: #15612
* Ninja: Remove unused device link line codeBrad King2018-02-011-28/+0
| | | | | | | | Remove the `PRE_LINK` and `POST_BUILD` variables. They are not referenced by `WriteDeviceLinkRule`. Remove the `byproducts` local variable from `WriteDeviceLinkStatement` and all the code populating it. We never used the result.
* Reduce allocation of temporary values on heap.Pavel Solodovnikov2018-01-261-3/+2
| | | | | - Use `std::move` while inserting temporary results into vectors. - Change `push_back` to `emplace_back` where appropriate.
* Ninja: Fixes CUDA device link in WindowsFrancisco Facioni2018-01-151-1/+1
| | | | | | nvcc in linker mode doesn't support response files Fixes: #17644
* Retire std::auto_ptr and its macro CM_AUTO_PTRMatthias Maennich2017-09-251-5/+5
| | | | Signed-off-by: Matthias Maennich <matthias@maennich.net>
* Meta: replace empty-string assignments with `clear()`.Pavel Solodovnikov2017-09-151-3/+3
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* Merge topic 'refactor-iwyu-code'Brad King2017-09-151-1/+1
|\ | | | | | | | | | | | | 3bbe95f5 Clean up iwyu code to not be one big if statement. Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !1247
| * Clean up iwyu code to not be one big if statement.Bill Hoffman2017-09-131-1/+1
| | | | | | | | | | | | | | | | | | | | This commit changes the internal -E__run_iwyu to be -E__run_co_compile. This is used for co-compile commands. These are tools that want to mirror the compiler. For each compiler invocation the tool will be invoked first. This started as a way to implement include what you use (iwyu), but has expanded to include cpplint, cppcheck and others. Likely there will be more in the future as well. This commit implements each one in its own function and provides a way to add additional ones in the future with less work.
* | Meta: modernize old-fashioned loops to range-based `for`.Pavel Solodovnikov2017-09-121-36/+24
|/ | | | | | Changes done via `clang-tidy` with some manual fine-tuning for the variable naming and `auto` type deduction where appropriate.
* Ninja: Implement support for GNUToMSAlbert Ziegenhagel2017-08-251-1/+10
| | | | | | Port the implementation from `cmMakefileTargetGenerator::GetLinkRule`. Fixes: #13870
* Use C++11 nullptrDaniel Pfeifer2017-08-241-1/+1
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* Ninja: Fix generated command lines for cmake_symlink_* on WindowsNils Gladitz2017-06-231-4/+12
| | | | | | CMake generates multiple commands cojoined with &&. On Windows this only works when executing the commands through the Windows shell.
* IPO: Consider support for each language separatelyBrad King2017-06-141-2/+2
| | | | | | | | | We only define `INTERPROCEDURAL_OPTIMIZATION` behavior for C, CXX, and Fortran languages. Do not try to enable support for other languages. Furthermore, each language builds with a different compiler, so check for support by CMake and the compiler for each language independently. Fixes: #16944
* cmLocalGenerator: Add a hook for compiler flags used at link timeBrad King2017-05-011-2/+4
| | | | | | | | | | | | When using a compiler to drive linking we add compiler flags from `CMAKE_<LANG>_FLAGS` in case they affect the way the compiler invokes the linker, but we don't add flags from other places that are meant only for compiling sources. Rather than calling the `AddLanguageFlags` method (which is used to add flags for compiling sources) directly, add an intermediate method that is used when adding the flags for linking. This will give us a way to add language-specific compiler flags needed when driving the linker in the same place on the command line as other compiler flags go.
* Add IPO compiler flags more consistently in generatorsBrad King2017-04-271-2/+2
| | | | | | Move addition of IPO flags into `cmLocalGenerator::AddLanguageFlags` because all call sites of that need the IPO flags, but not all were following the call with `AppendFeatureOptions`.
* CUDA: Static libraries can now explicitly resolve device symbolsRobert Maynard2017-04-261-1/+6
| | | | | | | If a static library has the property CUDA_RESOLVE_DEVICE_SYMBOLS enabled it will now perform the device link step. The normal behavior is to delay calling device link until the static library is consumed by a shared library or an executable.
* Merge topic '16760-refactor-get-mac-content-directory'Brad King2017-04-211-14/+10
|\ | | | | | | | | | | | | cf320f7c Replace boolean `implib` parameters with enum Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !662
| * Replace boolean `implib` parameters with enumGregor Jasny2017-04-201-14/+10
| | | | | | | | | | Named enumeration values are much clearer at call sites and add more type safety.
* | Ninja,Makefile: Unify command line limit logicChristian Pfeiffer2017-04-191-40/+6
|/ | | | | | Move the logic to cmSystemTools to be shared among the generators. Revise the implementation and add comments justifying each possible source for a limit.
* Merge topic 'ipo-policy-CMP0069'Brad King2017-03-311-0/+8
|\ | | | | | | | | | | | | | | | | | | | | | | dfa8263f Implement interprocedural optimization for GNU compilers 1588a577 Add policy CMP0069 to enforce INTERPROCEDURAL_OPTIMIZATION a7575700 Refactoring: s,GetFeatureAsBool,IsIPOEnabled, e05835c3 CheckIPOSupported: Visual Studio and Xcode generators do not support IPO Acked-by: Kitware Robot <kwrobot@kitware.com> Reviewed-by: Brad King <brad.king@kitware.com> Reviewed-by: Nils Gladitz <nilsgladitz@gmail.com> Merge-request: !568
| * Implement interprocedural optimization for GNU compilersRuslan Baratov2017-03-301-0/+8
| | | | | | | | | | Honor the `INTERPROCEDURAL_OPTIMIZATION` target property for GNU compilers by activating their link-time-optimization (LTO) flags.
* | Merge topic 'ninja-fix-sysconf-non-limit'Brad King2017-03-281-5/+9
|\ \ | |/ |/| | | | | | | | | 92fe00d3 Ninja: Fix command line limit when sysconf has no ARG_MAX Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !633
| * Ninja: Fix command line limit when sysconf has no ARG_MAXChristian Pfeiffer2017-03-271-5/+9
| | | | | | | | | | | | | | | | | | The `sysconf(3)` manual explains that the return value can be `-1` for limits if there is no definite limit. Recognize this case and skip using the value as a limit candidate. Otherwise we use response files unconditionally on such systems instead of checking other limits. Fixes: #16740
* | Merge topic 'cuda_no_ninja_response_support'Brad King2017-03-221-6/+7
|\ \ | |/ | | | | | | | | | | feaea065 CUDA: Disable support for using response files. Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !596
| * CUDA: Disable support for using response files.Robert Maynard2017-03-211-6/+7
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* | Support WINDOWS_EXPORT_ALL_SYMBOLS with `.def` filesBrad King2017-03-211-5/+15
| | | | | | | | | | | | | | | | | | | | | | The `WINDOWS_EXPORT_ALL_SYMBOLS` target property exports all symbols found in object files explicitly given to the linker. However, the linker may also find additional symbols in dependencies and copy them into the linked binary (e.g. from `msvcrt.lib`). Provide a way to export an explicit list of such symbols by adding a `.def` file as a source file. Fixes: #16473
* | Refactor WINDOWS_EXPORT_ALL_SYMBOLS implementationBrad King2017-03-091-40/+21
| | | | | | | | | | | | | | Use `cmGeneratorTarget::ModuleDefinitionInfo` to combine the implementation of `WINDOWS_EXPORT_ALL_SYMBOLS` with that of using a `.def` file as a source. Only one of these could be used within a single target before anyway.
* | cmAlgorithms: add cmEraseIf functionDaniel Pfeifer2017-02-101-12/+6
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* CUDA: Don't use module definition `.def` files for device linkingRobert Maynard2017-01-121-1/+0
| | | | These files are meaningful only to the host linker.
* CUDA: Populate compiler PDB placeholder during device linkingBrad King2017-01-121-0/+3
| | | | | The device link step runs the host compiler internally so we need to use the proper compiler PDB file with MSVC.
* CUDA: Use `.obj` object file extension on WindowsBrad King2017-01-121-2/+4
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* clang-tidy: apply modernize-use-bool-literals fixesDaniel Pfeifer2016-12-121-1/+1
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* Merge topic 'initial_cuda_language_support'Brad King2016-11-291-0/+358
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 4cc601f2 Help: Add release note for CUDA support 7b9131da CUDA: Add tests to verify CUDA compiler works properly. 9cf5b98d CUDA: Prefer environment variables CUDACXX and CUDAHOSTCXX. a5e806b3 CUDA: Add support for CMAKE_CUDA_COMPILE_OPTIONS_VISIBILITY d038559e CUDA: Add separable compilation support to the makefile generator. 43ce4414 CUDA: Add separable compilation support to the ninja generator. 4b316097 CUDA: Add support for the CUDA_SEPARABLE_COMPILATION target property ae05fcc6 CUDA: Add LinkLineComputer that computes cuda dlink lines. 115269a8 CUDA: Refactor cmLinkLineComputer to allow for better derived children. 5dec4031 CUDA: Refactor CMakeCUDAInformation to prepare for separable compilation. 5b20d0ab CUDA: C++ compile features now enable cuda c++11 support. 489c52ce CUDA: Use the host compiler for linking CUDA executables and shared libs. bbaf2434 CUDA: add support for specifying an explicit host compiler. a92f8d96 CUDA: Enable header dependency scanning. ec6ce623 CUDA: State that cuda has preprocessor output and can generate assembly. 4f5155f6 CUDA: We now properly perform CUDA compiler identification. ...
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