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* Tests: Add cases for typical CheckIPOSupported usageRuslan Baratov2017-04-189-0/+88
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* WriteCompilerDetectionHeader: fix STATIC_ASSERTDaniel Pfeifer2017-03-062-0/+6
| | | | fixes #16185
* Tests/Module/WCDH: only use -Werror=undef compiler flag if actually supportedRolf Eike Beer2017-02-021-1/+5
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* Tests/Module/WCDH: write multi_file_compiler_detection.h before using itRolf Eike Beer2017-02-021-11/+11
| | | | | | | | This was broken in commit 98e6d1e5e426c491e04faa746c11746002e6a69d (Tests/Module/WCDH: make it work with only C features defined) when all C tests were made accessible even if no C++ features are available, but the header was only created if C++ features are available. Fix it by creating the header unconditionally before any checks on the available features.
* Tests/Module/WCDH: make it work with only C features definedRolf Eike Beer2017-01-301-51/+51
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* WCDH: optionally omit error code for unknown compilers or compiler versionsRolf Eike Beer2017-01-301-1/+29
| | | | | | This allows one to generate a header that will basically always work. In case an unknown compiler or compiler version is encountered it simply falls back to the unsupported case.
* ExternalData: Add support for SHA-3 algorithmsBrad King2016-11-113-0/+3
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* ExternalData: Add support for multiple hash algorithmsMatt McCormick2016-10-185-0/+6
| | | | | | | | | | Add support for projects to have `Data.txt.md5` *and* `Data.txt.sha512` where the content links hold hashes for the same file. Check all `ExternalData_URL_TEMPLATES` entries in order for all available hashes. The data acquisition is considered a failure if none of the available URL resources has any of the given hashes. This makes it possible to have multiple data server resources where all servers do not support all hashing algorithms.
* ExternalData: Tolerate files duplicated across multiple targetsBrad King2016-09-073-0/+27
| | | | | | | | | | | | | | | | | | | | | | If multiple ExternalData_Target_Add calls generate the same output file then we need to avoid calling add_custom_command multiple times with that output. This was already done within a single target by setting a variable in the local function scope. This will not be visible in other calls though so we need to use a directory property instead to prevent adding a custom command multiple times for one output in a directory. Normally it is not safe to have multiple custom commands that produce the same output file across multiple independent targets, but since we use atomic replacement of outputs the resulting races should not be a problem. For the convenience of projects, tolerate this instead of diagnosing it. In particular, we previously allowed up to two copies of the custom command in one directory because CMake has a fallback from MAIN_DEPENDENCY to an `<output>.rule` file. While at it, add a note to the documentation that typically only one external data target should be needed for a project. Reported-by: David Manthey <david.manthey@kitware.com>
* Tests: Port GenerateExportHeader test to RunCMake infrastructureBrad King2016-09-0534-1530/+0
| | | | This will allow build failure cases to be added later.
* Use string(APPEND) in TestsDaniel Pfeifer2016-07-271-2/+2
| | | | | | | Automate with: find Tests -type f -print0 | xargs -0 perl -i -0pe \ 's/set\(([a-zA-Z0-9_]+)(\s+)"\$\{\1\}([^"])/string(APPEND \1\2"\3/g'
* Tests: Run clang-format on GenerateExportHeader codeBrad King2016-06-291-1/+1
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* GenerateExportHeader: Add option to specify custom contentBrad King2016-06-282-0/+7
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* Revise C++ coding style using clang-formatKitware Robot2016-05-1616-189/+238
| | | | | | | | | | | | | 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.
* WCDH: Add Intel to list of supported compilersRobert Maynard2016-04-281-5/+9
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* GenerateExportHeader: Do not define DEFINE_NO_DEPRECATED (#16022)Andreas Schuh2016-03-1714-42/+56
| | | | | | Previously we allowed this definition to persist outside our header. This would cause conflicts across multiple such headers because the name was always the same. Fix this by avoiding the definition altogether.
* Tests: fix Module.GenerateExportHeader building on Clang/C2Mariusz Pluciński2016-03-103-1/+93
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* Tests: fix GenerateExportHeader directory definitionsBen Boeckel2016-02-122-9/+6
| | | | | | There's no need to stringify the values, but instead just pass in strings. The core problem is that the path may have tokens which are replaced by the preprocessor which causes an invalid path to be used.
* GenerateExportHeader: Work around buggy std::getline behavior in BCB5.James Johnston2015-12-311-0/+12
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* Revert topic 'compiler-features-solaris'Brad King2015-10-081-2/+1
| | | | | | | | Revert commit v3.4.0-rc1~10^2~2 (Features: Disable support for Oracle SolarisStudio on non-Linux, 2015-09-29) and two follow-up commits. The support of compile features and language standards on Orcale SolarisStudio needs more investigation so for CMake 3.4 we should just act as 3.3 did.
* Tests: Suppress WriteCompilerDetectionHeader failure on SunProBrad King2015-09-301-1/+2
| | | | | | We do support SunPro 5.13 compiler features, but only on Linux. Suppress the portion of the test that fails on Solaris until the larger problem can be addressed.
* GenerateExportHeader: Use dllexport/dllimport on CygwinTony Kelman2015-08-271-2/+2
| | | | | | | Cygwin sits on top of Windows and so can use explicit symbol export and import markup too. Co-Author: Yaakov Selkowitz <yselkowitz@cygwin.com>
* ExternalData: Add option to disable use of symlinksBrad King2015-05-224-0/+16
| | | | | | | | | Add an ExternalData_NO_SYMLINKS to enable use of copies instead of symlinks to populate the real data files behind a DATA{} reference. This will be useful on UNIX-like systems when the underlying filesystem does not actually support symbolic links. Suggested-by: Matt McCormick <matt.mccormick@kitware.com>
* ExternalData: Add option to recursively match under directoriesBrad King2015-03-2711-0/+16
| | | | | | Extend the ``DATA{Dir/,...}`` syntax with a new ``RECURSE:`` option to enable recursive matching of associated files. This will allow an entire directory tree of data to be referenced at once.
* ExternalData: Add support for custom algorithm-to-URL mappingBrad King2015-02-256-0/+16
| | | | | | | | | Allow URL templates to contain a %(algo:<key>) placeholder that is replaced by mapping the canonical hash algorithm name through a map defined by the <key>. Extend the Module.ExternalData test to cover the behavior. Extend the RunCMake.ExternalData test to cover error cases.
* Features: Fix C90 feature detection.Stephen Kelly2015-02-043-0/+80
| | | | | | | | | | | | | | | This bug caused c_function_prototypes to not be recorded at configure time when compiling with -std=gnu99 or similar. In the case of feature recording, that was not a problem, because the logic in CMakeDetermineCompileFeatures.cmake currently assumes that a feature present for an earlier standard is present for a later standard. However, the detection strings are also used in WriteCompilerDetectionHeader, so the feature macro has been defined to '0' when using a later language dialect. Fix that by not checking the existence of the __STDC_VERSION__ macro at all when detecting C90 features.
* Features: Record for MSVC 2010-2015Robert Maynard2015-01-301-2/+13
| | | | | | | Also, in WCDH add MSVC Compatibility for cxx_align{of,as}. Co-Author: Stephen Kelly <steveire@gmail.com> Co-Author: Brad King <brad.king@kitware.com>
* WCDH: Test that no C compiler features are defined for CXX compiler.Stephen Kelly2015-01-192-0/+8
| | | | | This amends commit 54156d72 (WCDH: Generate per-language files in multi-file mode., 2015-01-17).
* WCDH: Fix the C_STANDARD property in the tests.Stephen Kelly2015-01-191-1/+1
| | | | | | | | | | The CXX_STANDARD property validates the values allowed for it, and '90' is not a valid value for it. However, the validation is only done for languages enabled for the target, and as C_undefined has no CXX files, that language is not enabled for it. This amends commit v3.1.0-rc3~23^2 (WCDH: Make the header -Wundef safe for the C language., 2014-11-24).
* Merge topic 'GNU-4.4-compile-features'Brad King2015-01-191-6/+8
|\ | | | | | | | | | | | | | | | | | | | | 004e1540 Features: Record for GNU 4.4. 2a5ca650 Features: Wrap failure-test in UNIX condition. 1ae2c6b2 Features: Blacklist cxx_constexpr test for GNU 4.5. c66e3317 Features: Use a more-common feature in cycle-test. c43a6dc5 Features: Update comment in test to match the code. 78259135 Features: Test presence of cxx_auto_type with genex. 7b9fc88b Features: Remove outdated comment.
| * Features: Wrap failure-test in UNIX condition.Stephen Kelly2015-01-181-6/+8
| | | | | | | | | | The use of GNU on non-UNIX for 'compile features' is not tested and is not well defined.
* | Features: Record for SolarisStudio 12.4.Stephen Kelly2015-01-171-3/+4
|/ | | | It has similar C++11 capabilities compared to GCC 4.8.
* ExternalData: Add support for custom download scriptsBrad King2015-01-154-0/+13
| | | | | | | | Add support for a special URL template to map the fetch operation to a project-specified .cmake script insead of using file(DOWNLOAD). Extend the Module.ExternalData test to cover the behavior. Extend the RunCMake.ExternalData test to cover error cases.
* Revert topic 'feature_record_msvc'Brad King2015-01-141-14/+2
| | | | | | | | | | | Revert commits: 2d738ce3 Help: Add notes for topic 'feature_record_msvc' f73718c9 Features: Enable writing of MSVC compiler feature header. 64c30bdc Features: Record for MSVC C++ 2015 and MSVC C 2010-2015. 225c0ef8 Features: Record for MSVC 2010-2013. This topic was merged to master prematurely, so remove it.
* Features: Enable writing of MSVC compiler feature header.Robert Maynard2015-01-111-2/+14
| | | | | | | | | | | | | | | | | Notes: VS2015 and above are the only MSVC versions to support cxx_final, so remove usages from the tests, and instead only test for cxx_override. VS2012 and above to conform to cxx_decltype_incomplete_return_types proposal, but without support for auto return types the dcl.type.simple example in the proposal doesn't compile. VS2013 and above to conform to the updated cxx_contextual_conversions proposal, but VS2010 and above pass the test. Compilers such as MSVC have no explicit flags to enable C++11 mode, it just is always on. So only run the link tests with compilers that require a flag to specify the language version.
* Features: Quote all compiler names when comparing with COMPILER_IDRobert Maynard2015-01-111-7/+7
| | | | | In preparation of adding MSVC support we need to quote all compiler names, as MSVC is also a CMake variable.
* Features: Record for AppleClang 5.1Stephen Kelly2014-12-221-4/+6
| | | | | Apple's Clang 5.1 already supports most of the C and C++ features CMake enumerates.
* Merge topic 'WCDH-multi-file'Brad King2014-11-264-23/+58
|\ | | | | | | | | 4cf5179c WCDH: Make it possible to generate multiple files.
| * WCDH: Make it possible to generate multiple files.Stephen Kelly2014-11-244-23/+58
| | | | | | | | | | | | Extend the write_compiler_detection_header interface to allow specifying a location for supplementary files, and getting the list of resulting files as a variable.
* | WCDH: Make the header -Wundef safe for the C language.Stephen Kelly2014-11-252-0/+14
|/ | | | | | | | | The __STDC_VERSION__ macro may be defined or not depending on the implementation dialect of C. Test that it is defined before testing its value. The CXX tests do not need such a change because they define __cplusplus in all dialects.
* Features: Add compiler version support to WriteCompilerDetectionHeader.Stephen Kelly2014-06-092-0/+19
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* Features: Record for Clang 3.4Stephen Kelly2014-05-201-2/+3
| | | | Clang 3.4 supports all features currently known to CMake.
* Features: Extend concept to C language.Stephen Kelly2014-05-141-2/+3
| | | | | | | | | | | Add properties and variables corresponding to CXX equivalents. Add features for c_function_prototypes (C90), c_restrict (C99), c_variadic_macros (C99) and c_static_assert (C11). This feature set can be extended later. Add a <PREFIX>_RESTRICT symbol define to WriteCompilerDetectionHeader to conditionally represent the c_restrict feature.
* Add the WriteCompilerDetectionHeader module.Stephen Kelly2014-05-142-0/+98
| | | | | | | | Provide a function to write a portable header to detect compiler features. Generate a preprocessor #error for unknown compilers and compiler versions whose features are not yet recorded. This error condition might be relaxed in the future, but for now it is useful for verification of expectations.
* Merge topic 'hp-cpp98-tests'Brad King2014-05-081-0/+9
|\ | | | | | | | | b0f277db HP aCC: record compiler flag for Ansi C++98 support for version 3.80 onwards
| * HP aCC: record compiler flag for Ansi C++98 support for version 3.80 onwardsRolf Eike Beer2014-04-251-0/+9
| | | | | | | | | | | | Old versions of aCC need a special compiler flag to get full C++98 template support as e.g. CMake itself or the Complex and ComplexOneConfig tests need. The same versions need a special flag to get a proper C++ library, too.
* | ExternalData: Warn on missing file instead of failingBrad King2014-04-172-0/+24
|/ | | | | | | | | | | | When the primary source tree path named by a DATA{} reference does not exist, produce an AUTHOR_WARNING instead of a FATAL_ERROR. This is useful when writing a new DATA{} reference to a test reference output that has not been created yet. This way the developer can run the test, manually verify the output, and then copy it into place to provide the reference and eliminate the warning. If the named source tree path is expected to be a file but exists as a directory, we still need to produce a FATAL_ERROR.
* find_dependency: Extend the tests for use of EXACT macro parameter.Stephen Kelly2014-03-108-1/+62
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* Add test for find_dependency macro.Stephen Kelly2014-02-268-0/+79
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* Merge some GenerateExportHeader subtests.Stephen Kelly2013-12-1515-143/+28
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