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* CUDA: Port test cases to Windows with MSVC host compilerBrad King2017-01-122-1/+14
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* try_compile: extend CMP0067 to honor language standards for CUDA.Robert Maynard2016-12-125-0/+22
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* try_compile: Add policy CMP0067 to honor language standardsBrad King2016-12-065-0/+90
| | | | | | | | | | | | | | Projects use `try_compile` to check if they will be able to compile some particular source code. When a language standard variable like `CMAKE_CXX_STANDARD` is set, then the project intends to compile source code using a compiler mode for that standard. Therefore it makes sense for `try_compile` to use that standard in the test project too. Unfortunately this was not done when support for the `CMAKE_CXX_STANDARD` variable was first implemented. Add a policy to introduce the improved behavior in a compatible way. Closes: #16456
* try_compile: Add options to specify language standardsBrad King2016-12-0614-0/+112
| | | | | | | | | Give `try_compile` callers a way to control the `CXX_STANDARD`, `CXX_STANDARD_REQUIRED`, and `CXX_EXTENSIONS` properties of the generated test target (or the `C` equivalents) in order to compile a test source for a particular language standard. Issue: #16456
* try_compile: Honor CMAKE_WARN_DEPRECATED in test projectBrad King2016-11-222-0/+20
| | | | | | | | This causes the `-Wno-deprecated` option to be honored even inside a `try_compile` test project, which is needed to suppress all deprecation warnings as the option documents. Closes: #16446
* try_compile: Add policy CMP0066 to honor CMAKE_<LANG>_FLAGS_<CONFIG>Brad King2016-06-295-0/+81
| | | | | | | | | | | | | | | | 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 This change was originally made by commit v3.6.0-rc1~160^2 (try_compile: Honor CMAKE_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.
* Revert "try_compile: Honor CMAKE_<LANG>_FLAGS_<CONFIG> changes"Brad King2016-06-283-21/+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.
* try_compile: Optionally forward custom platform variables to test projectBrad King2016-05-252-0/+27
| | | | | | | | | 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.
* Revise C++ coding style using clang-formatKitware Robot2016-05-162-3/+9
| | | | | | | | | | | | | 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.
* try_compile: Honor CMAKE_<LANG>_FLAGS_<CONFIG> changes (#16054)Brad King2016-04-113-0/+21
| | | | | | | | 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`).
* try_compile: Add option to control type of targetBrad King2016-02-197-0/+41
| | | | | | | 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.
* Merge topic 'test-rerun-cmake'Brad King2015-01-278-0/+56
|\ | | | | | | | | | | 7f2dc8dc configure_file: Test that CMake re-runs on input change or output missing daf95a38 try_compile: Test that CMake re-runs on input change
| * try_compile: Test that CMake re-runs on input changeBrad King2015-01-278-0/+56
| | | | | | | | | | | | | | With the Makefile and Ninja generators we expect that touching the input source file for a try_compile will cause CMake to re-run on the next build. Extend the RunCMake.try_compile test with a case covering this. Also check that CMake does not re-run if nothing has changed.
* | try_run: Add support for LINK_LIBRARIES option.Matt McCormick2015-01-261-2/+2
|/ | | | | | | | 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.
* try_compile: Pass linker flags into test project (#14066)Brad King2014-12-034-0/+86
| | | | | | | | | | | | 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.
* Cygwin: Avoid legacy warnings in RunCMake.* testsBrad King2013-08-131-1/+1
| | | | | | Set the minimum required version of CMake high enough to avoid the warning for CMAKE_LEGACY_CYGWIN_WIN32. The warning appears on stderr and breaks the expected output matching.
* try_compile: Add COPY_FILE_ERROR option to capture failureBrad King2013-07-157-0/+16
| | | | | | | | | | | When the COPY_FILE operation fails optionally capture the error message with a COPY_FILE_ERROR option instead of reporting the error immediately. This gives callers a chance to do something else or report the error. Teach the RunCMake.try_compile test to cover bad argument combinations involving COPY_FILE_ERROR. Teach the TryCompile test to cover the case of a COPY_FILE error message captured by COPY_FILE_ERROR.
* try_compile: Add signature to allow multiple SOURCESBrad King2013-06-0610-0/+41
| | | | | | | | | | | | | | | | | Extend the signature try_compile(RESULT_VAR <bindir> <srcfile> ...) to allow multiple sources as try_compile(RESULT_VAR <bindir> SOURCES <srcfile>... ...) Process the sources to generate a CMakeLists.txt that enables all needed languages. Teach the TryCompile test to try cases with two sources of the same language and of mixed languages. Teach RunCMake.try_compile to cover error cases for the signature.
* try_compile: Refactor argument processingBrad King2013-05-3111-9/+17
| | | | | | | | | | Process all arguments in a single loop using a simple state machine. While at it, fix some error message typos. Also allow LINK_LIBRARIES with no actual libraries to disable use of the -DLINK_LIBRARIES=... from the CMAKE_FLAGS. This was already possible in the old logic if LINK_LIBRARIES was immediately followed by another keyword argument instead of the end of the argument list, so allow it in general. Update the RunCMake.try_compile test cases accordingly.
* try_compile: Add test for bad call error casesBrad King2013-05-3131-0/+79
Add a RunCMake.try_compile test to cover cases of bad invocation of the try_compile command.
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