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* Modernize: Use #pragma once in all header filesKitware Robot2020-09-031-4/+1
| | | | | | | | | | | | | | | | #pragma once is a widely supported compiler pragma, even though it is not part of the C++ standard. Many of the issues keeping #pragma once from being standardized (distributed filesystems, build farms, hard links, etc.) do not apply to CMake - it is easy to build CMake on a single machine. CMake also does not install any header files which can be consumed by other projects (though cmCPluginAPI.h has been deliberately omitted from this conversion in case anyone is still using it.) Finally, #pragma once has been required to build CMake since at least August 2017 (7f29bbe6 enabled server mode unconditionally, which had been using #pragma once since September 2016 (b13d3e0d)). The fact that we now require C++11 filters out old compilers, and it is unlikely that there is a compiler which supports C++11 but does not support #pragma once.
* cmOrderDirectories: Modernize memory managementMarc Chevrier2019-12-181-2/+4
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* Revise include order using clang-format-6.0Kitware Robot2019-10-011-1/+2
| | | | | Run the `clang-format.bash` script to update our C and C++ code to a new include order `.clang-format`. Use `clang-format` version 6.0.
* clang-tidy: Replace typedef with usingRegina Pfeifer2019-09-041-1/+1
| | | | | | | | Automate the conversion with perl -i -0pe 's/typedef ([^;]*) ([^ ]+);/using $2 = $1;/g' then manually fix a few places.
* Delete some default constructors and assignment operatorsAlbert Astals Cid2019-02-151-0/+2
| | | | | | They are unused, but if someone used them they would lead to problems since they would copy the internal raw pointers and the destructor would cause double delete
* IWYU: Mark cmConfigure.h with pragma: keepDaniel Pfeifer2017-08-261-1/+1
| | | | Also remove `#include "cmConfigure.h"` from most source files.
* Use C++11 nullptrDaniel Pfeifer2017-08-241-1/+1
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* Use quotes for non-system includesDaniel Pfeifer2017-04-111-2/+2
| | | | | | | | | | | | | Automate with: git grep -l '#include <cm_' -- Source \ | xargs sed -i 's/#include <\(cm_.*\)>/#include "\1"/g' git grep -l '#include <cmsys/' -- Source \ | xargs sed -i 's/#include <\(cmsys\/.*\)>/#include "\1"/g' git grep -l '#include <cm[A-Z]' -- Source \ | xargs sed -i 's/#include <\(cm[A-Z].*\)>/#include "\1"/g'
* cmOrderDirectories: Factor out implicit directory checkBrad King2017-03-011-0/+2
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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.
* fix a load of include-what-you-use violationsDaniel Pfeifer2016-09-031-4/+6
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* make sure to include cmConfigure.h before cmStandardIncludes.hDaniel Pfeifer2016-09-031-0/+2
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* use CM_NULLPTRDaniel Pfeifer2016-06-281-1/+2
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* Revise C++ coding style using clang-formatKitware Robot2016-05-161-1/+4
| | | | | | | | | | | | | 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.
* cmOrderDirectories: Reduce repeat realpath() callsBrad King2015-12-011-0/+3
| | | | | | | Since commit v3.1.0-rc1~110^2 (Tolerate symlinks during RPATH ordering, 2014-09-09) we call realpath() for every directory ordering constraint check. On some platforms/filesystems this is slow, so memoize the result of the call for each directory.
* cmOrderDirectories: Factor out directory comparisonBrad King2015-12-011-0/+3
| | | | Create an `IsSameDirectory` helper method.
* cmOrderDirectories: Port to cmGeneratorTarget.Stephen Kelly2015-08-051-3/+3
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* cmOrderDirectories: Re-arrange data layout.Stephen Kelly2015-06-071-3/+2
| | | | Size goes from 680 to 672 bytes.
* strings: Remove cmStdString referencesBen Boeckel2014-03-081-5/+5
| | | | | | | | | | | 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.
* cmTarget: Make GetProperty() const.Stephen Kelly2013-10-311-2/+2
| | | | | | This has follow-on effects for other methods and classes. Further work on making the use of const cmTarget pointers common can be done, particularly with a view to generate-time methods.
* Remove unused ivars to eliminate compiler warningsSean McBride2012-06-201-1/+0
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* Convert CMake to OSI-approved BSD LicenseBrad King2009-09-281-14/+9
| | | | | | | This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
* ENH: Link runtime libraries of all languagesBrad King2009-07-271-0/+2
| | | | | | | | | | | | | | | | | | This adds implicit libraries and search directories for languages linked into a target other than the linker language to its link line. For example, when linking an executable containing both C++ and Fortran code the C++ linker is used but we need to add the Fortran libraries. The variables CMAKE_<LANG>_IMPLICIT_LINK_LIBRARIES CMAKE_<LANG>_IMPLICIT_LINK_DIRECTORIES contain the implicit libraries and directories for each language. Entries for the linker language are known to be implicit in the generated link line. Entries for other languages that do not appear in the known implicit set are listed explicitly at the end of the link line.
* STYLE: Factor CollectOriginalDirectories codeBrad King2009-07-141-0/+1
| | | | | | This factors code out of cmOrderDirectories::CollectOriginalDirectories into cmOrderDirectories::AddOriginalDirectories. Later a new call will be added, and this is more readable anyway.
* ENH: Warn when system libraries may be hidden.Brad King2008-07-291-0/+2
| | | | | | | | We never explicitly specify system library directories in linker or runtime search paths. Furthermore, libraries in these directories are always linked by asking the linker to search for them. We need to generate a warning when explicitly specified search directories contain files that may hide the system libraries during the search.
* ENH: Provide context in path ordering warningsBrad King2008-07-291-2/+3
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* ENH: Better linker search path computation.Brad King2008-02-211-0/+88
- Use linker search path -L.. -lfoo for lib w/out soname when platform sets CMAKE_PLATFORM_USES_PATH_WHEN_NO_SONAME - Rename cmOrderRuntimeDirectories to cmOrderDirectories and generalize it for both soname constraints and link library constraints - Use cmOrderDirectories to order -L directories based on all needed constraints - Avoid processing implicit link directories - For CMAKE_OLD_LINK_PATHS add constraints from libs producing them to produce old ordering
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