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* LINK_DIRECTORIES: Add new properties and commandsMarc Chevrier2018-09-251-0/+12
| | | | | | | | | | | | These new capabilities enable to manage link directories Two new properties: * target properties: LINK_DIRECTORIES and INTERFACE_LINK_DIRECTORIES One new command * target_link_directories(): to populate target properties Fixes: #17215
* target_link_libraries: Allow use with targets in other directoriesBrad King2018-09-125-0/+41
| | | | | | | | | | | | | | | | | | | | | Previously the command did not allow naming targets on the LHS that were not created in the calling directory. Lift this restriction to enable more flexible use by projects. Targets named on the RHS will need to be looked up during generation in the scope of the call site rather than the scope of the LHS target. Introduce an internal syntax in `[INTERFACE_]LINK_LIBRARIES` properties to specify target names that need to be looked up in a directory other than that containing the target on which the property is set. Add minimal documentation of the syntax to help users that encounter it. Unfortunately CMake previously did allow such calls in the case that only `INTERFACE` libraries are specified, but those libraries would be looked up in the target's directory rather than the caller's. Add policy `CMP0079` to enable the new behavior with new lookup scope in a compatible way. Fixes: #17943
* Tests: Add test for $<0:...> in ExportImportKyle Edwards2018-07-171-3/+3
| | | | | This test case already includes test cases for $<1...> and $<0...>, but this commit adds a few $<0:...>'s in cases where it was missing.
* LINK_DEPENDS: add support for property INTERFACE_LINK_DEPENDSMarc Chevrier2018-06-271-0/+14
| | | | Fixes: #17997
* LINK_OPTIONS: Add new family of propertiesMarc Chevrier2018-06-061-0/+10
| | | | | | | | | | | | | | This family enable to manage link flags Three new properties: * directory property: LINK_OPTIONS * target properties: LINK_OPTIONS and INTERFACE_LINK_OPTIONS Two new commands * add_link_options(): to populate directory property * target_link_options(): to populate target properties Fixes: #16543
* Revise C++ coding style using clang-format-6.0Kitware Robot2018-06-0114-36/+36
| | | | | | | | | | | | 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.
* Export: allow exporting of additional propertiesWouter Klouwen2018-03-161-0/+8
| | | | | | | | | This change introduces an additional property that may be set on a target to allow additional properties to be exported. Normally only a limited number of properties are exported. Additional properties may be exported by simply setting the `EXPORT_PROPERTIES` property on a target that is exported.
* Tests: Add cases for usage requirements of linked object libsBrad King2018-03-016-7/+48
| | | | | | | Add tests to cover transitive usage requirements on installation and export of targets that link to object libraries. Issue: #14778
* install,export: Maybe transform OBJECT libraries to INTERFACE librariesBrad King2018-02-282-5/+17
| | | | | | | | | | | Teach the `install` and `export` commands to support installing and exporting `OBJECT` libraries without their object files. Transform them to `INTERFACE` libraries in such cases. For `install(TARGETS)`, activate this when no destination for the object files is specified. For `export`, activate this only under Xcode with multiple architectures when we have no well-defined object file locations to give to clients.
* Tests: Make function name not match SONAMECraig Scott2017-05-181-1/+1
| | | | | | | | We look for `SONAME` in the output of `readelf` to check whether the binary contains the field. Do not provide a symbol that may accidentally match. Fixes: #16894
* Allow OBJECT libraries to be installed, exported, and importedRobert Maynard2017-04-184-1/+24
| | | | | | | | Teach install() and export() to handle the actual object files. Disallow this on Xcode with multiple architectures because it still cannot be cleanly supported there. Co-Author: Brad King <brad.king@kitware.com>
* Revise C++ coding style using clang-formatKitware Robot2016-05-1631-95/+156
| | | | | | | | | | | | | 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.
* Format include directive blocks and ordering with clang-formatBrad King2016-04-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Drop Visual Studio 6 generatorBrad King2016-03-093-10/+2
| | | | | | This generator has been deprecated since CMake 3.3. Remove it. Update documentation, modules, and tests to drop content specific to this generator.
* Fix export of STATIC library PRIVATE dependencies with CMP0022 NEWBrad King2016-01-153-1/+13
| | | | | | | | | | | | | | The target_link_libraries command records the PRIVATE dependencies of a STATIC library in INTERFACE_LINK_LIBRARIES as "$<LINK_ONLY:dep>". This hides the target name from export namespacing logic inside a generator expression. When user-written generator expressions reference a target name they must put it inside a "$<TARGET_NAME:dep>" expression to allow the export logic to rename the target. In the case that the private dependency is not already a generator expression, target_link_libraries must use "$<LINK_ONLY:$<TARGET_NAME:dep>>" to allow the export logic to rename the target. Reported-by: Tamás Kenéz <tamas.kenez@gmail.com>
* Tests: Use CMP0022 NEW behavior in some ExportImport casesBrad King2016-01-151-0/+3
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* Tests: Isolate policy changes in ExportImport testBrad King2016-01-151-2/+5
| | | | Use cmake_policy(PUSH/POP) to isolate CMP0022 policy changes.
* install: Allow generator expressions in DIRECTORYYves Frederix2016-01-131-1/+1
| | | | | Teach install(DIRECTORY) to support generator expressions in the list of directories, much like install(FILES) already supports.
* Merge topic 'test-fix-C-comments'Brad King2015-09-281-11/+11
|\ | | | | | | | | 4eb77a1c Tests: Use C-Style comments in C sources and headers
| * Tests: Use C-Style comments in C sources and headersMarc Chevrier2015-09-251-11/+11
| | | | | | | | | | Not all C compilers tolerate C++-style comments in C code, so do not use them in our tests.
* | install: Allow generator expressions in DIRECTORY DESTINATIONRobert Goulet2015-09-241-1/+1
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* Tests: Cover install(FILES) with a genex DESTINATIONBrad King2015-09-231-2/+2
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* Tests: Cover NO_SONAME property for SHARED librariesBrad King2015-08-202-0/+12
| | | | | | | | This property was added by commit v2.8.9~204^2~2 (Support building shared libraries or modules without soname, 2012-04-22). A test for using the property on MODULE libraries was added by commit v2.8.9~204^2~1 (Test NO_SONAME property, 2012-04-23). Add such a test for SHARED libraries too.
* Add generator expression support to OUTPUT_DIRECTORY target propertiesRobert Goulet2015-08-122-2/+39
| | | | | | | If {ARCHIVE,LIBRARY,RUNTIME}_OUTPUT_DIRECTORY is set with a genex then do not add the per-config subdirectory on multi-config generators. This will allow projects to use $<CONFIG> to place the per-config part of the directory path somewhere other than the end.
* Add generator expression support to OUTPUT_NAME target propertyRobert Goulet2015-07-092-2/+9
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* Export: Escape exported property values when writing CMake language filesBrad King2015-06-241-0/+4
| | | | | | | | When writing export files, correctly encode property values that contain characters special to the CMake language parser. We must ensure that they parse correctly when loaded on the consuming side. Reported-by: Dan Liew <dan@su-root.co.uk>
* install: Allow generator expressions in TARGETS DESTINATION (#14317)Brad King2015-02-112-3/+10
| | | | | | | | | | | | This will allow per-config destinations for targets in EXPORT sets. Using multiple install(TARGETS) with separate CONFIGURATIONS is rejected as a target appearing more than once in an export set. Now instead one can write install(TARGETS foo EXPORT exp DESTINATION lib/$<CONFIG>) to get a single logical membership of the target in the export set while still having a per-config destination.
* Allow export of targets with INTERFACE_SOURCES.Stephen Kelly2015-02-103-1/+37
| | | | | | Use the same rules for paths in source and binary dirs in installed INTERFACE_SOURCES as are used for INTERFACE_INCLUDE_DIRECTORIES.
* install: Allow absolute EXPORT destination with relative targets (#15258)Brad King2014-12-155-0/+19
| | | | | | | | | | | | | | | | | When install(EXPORT) is given an absolute destination we cannot compute the install prefix relative to the installed export file location. Previously we disallowed installation of targets in such exports with a relative destination, but did not enforce this for target property values besides the location of the main target file. This could lead to broken installations when the EXPORT is installed to an absolute path but usage requirements are specified relative to the install prefix. Since an EXPORT installed to an absolute destination cannot be relocated we can just hard-code the value of CMAKE_INSTALL_PREFIX as the base for relative paths. This will allow absolute install(EXPORT) destinations to work with relative destinations for targets and usage requirements. Extend the ExportImport test with a case covering this behavior.
* Features: Extend concept to C language.Stephen Kelly2014-05-141-1/+4
| | | | | | | | | | | 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.
* Export: Populate INTERFACE_COMPILE_FEATURES property.Stephen Kelly2014-04-081-1/+4
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* install: Support generator expressions in FILES and PROGRAMS modeBrad King2014-02-213-0/+18
| | | | | | | | Teach the install(FILES) and install(PROGRAMS) commands to evaluate generator expressions in the list of files. Extend the ExportImport test to cover installation cases involving generator expressions.
* install: Ensure that install(TARGETS) works with no DESTINATIONStephen Kelly2014-01-041-1/+4
| | | | | INTERFACE_LIBRARY targets have no corresponding files, and so require no DESTINATION to install anything to.
* export: Implement EXPORT subcommand (#9822)Stephen Kelly2013-12-241-5/+5
| | | | | | Teach the export command to handle export sets defined by invocations of install(TARGETS ... EXPORT foo). This makes maintenance of targets exported to both the build tree and install tree trivial.
* Export: Prefix relative items with genexes in INSTALL_INTERFACE.Stephen Kelly2013-11-261-0/+8
| | | | | | | | | | | | | | Code such as target_include_directories(foo INTERFACE $<INSTALL_INTERFACE:include$<FOO>> ) should be treated as a relative directory, despite the genex, after the INSTALL_INTERFACE is stripped away. Previously, this would generate a relative directory on export, which would be an error on import, so no policy is needed.
* Export: Process INSTALL_INTERFACE in INCLUDES DESTINATION.Stephen Kelly2013-11-261-0/+32
| | | | | | | | | | Code such as install(TARGETS ... INCLUDES DESTINATION $<INSTALL_INTERFACE:include> ) should behave as if the INSTALL_INTERFACE wrapper were not present.
* Export: Process relative includes after genex evaluation.Stephen Kelly2013-11-261-1/+15
| | | | | | | | | | | | | In code such as install(TARGETS ... INCLUDES DESTINATION $<FOO>include ) the generator expressions are evaluated at generate-time. Delay determining whether each entry is a relative path until after the generator expressions are evaluated. Such relative paths are based relative to the CMAKE_INSTALL_PREFIX.
* Consider targets with double colons to be IMPORTED or ALIAS targets.Stephen Kelly2013-10-211-2/+2
| | | | | | | | Introduce a policy to control the behavior. The AliasTargets unit test already tests that using a double-semicolon in the name is not an error. Change the ExportImport test to use a namespace with a double-semicolon too.
* Merge topic 'INTERFACE_LIBRARY-target-type'Brad King2013-10-085-0/+72
|\ | | | | | | | | | | | | ce0c303 install: Teach EXPORT option to handle INTERFACE_LIBRARY targets 435c912 export: Add support for INTERFACE_LIBRARY targets fe73226 Add the INTERFACE_LIBRARY target type.
| * install: Teach EXPORT option to handle INTERFACE_LIBRARY targetsStephen Kelly2013-10-081-0/+20
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| * export: Add support for INTERFACE_LIBRARY targetsStephen Kelly2013-10-085-0/+52
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* | Merge topic 'IMPORTED-target-SYSTEM-includes'Brad King2013-10-073-0/+39
|\ \ | |/ |/| | | | | a63fcbc Always consider includes from IMPORTED targets to be SYSTEM.
| * Always consider includes from IMPORTED targets to be SYSTEM.Stephen Kelly2013-09-243-0/+39
| | | | | | | | | | | | | | Introduce a target property to control this behavior variable to set the default value for the target property. This does not affect try_compile runs.
* | Genex: Fix processing multiple include directories for relative pathsStephen Kelly2013-10-071-1/+1
|/ | | | | | | | | | | | Re-insert the semicolon which was removed during splitting. Commit d777b8e7 (Genex: Allow relative paths in INSTALL_INTERFACE., 2013-07-25) introduced the prefixItems method to allow relative paths in the argument of the INSTALL_INTERFACE expression. That method was buggy in that it did not re-introduce the semicolon separator in the result. This bug also affects paths which are already absolute in user code.
* try_compile: Extract IMPORTED targets from INTERFACE_LINK_LIBRARIESStephen Kelly2013-08-263-1/+40
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* try_compile: Extract IMPORTED targets from LINK_DEPENDENT_LIBRARIESStephen Kelly2013-08-263-1/+37
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* Export: Process generator expressions from INCLUDES DESTINATION.Stephen Kelly2013-07-311-12/+16
| | | | Configuration sensitive expressions are not permitted.
* Fix crash on export of target with empty INTERFACE_INCLUDE_DIRECTORIES.Stephen Kelly2013-07-292-0/+7
| | | | | | | | The new feature of install(TARGETS ... INCLUDES DESTINATION) introduced in commit 650e61f8 (Add a convenient way to add the includes install dir to the INTERFACE., 2013-01-05) introduced this crash. If the new feature is used with a target which has no INTERFACE_INCLUDE_DIRECTORIES, a segfault occurred.
* Merge topic 'install-interface-relative'Brad King2013-07-261-0/+7
|\ | | | | | | | | d777b8e Genex: Allow relative paths in INSTALL_INTERFACE.
| * Genex: Allow relative paths in INSTALL_INTERFACE.Stephen Kelly2013-07-251-0/+7
| | | | | | | | | | | | | | These paths can be prepended with the ${_IMPORT_PREFIX} generated in the export file. Such relative paths were previously an error.