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* Remove some c_str() calls.Stephen Kelly2014-03-111-9/+9
| | | | | | Use the clang RemoveCStrCalls tool to automatically migrate the code. This was only run on linux, so does not have any positive or negative effect on other platforms.
* Merge topic 'fix-policy-scopes'Brad King2014-03-101-1/+1
|\ | | | | | | | | | | 50fd0a33 Tests: Simplify and document policy scopes in RunCMake.CMP* tests b1bbee3e Record more policies on targets when created
| * Record more policies on targets when createdBrad King2014-03-061-1/+1
| | | | | | | | | | Policies CMP0027, CMP0038, and CMP0046 have per-target meaning so record the policy settings on targets as they are created.
* | stringapi: Pass configuration names as stringsBen Boeckel2014-03-081-3/+3
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* | strings: Remove cmStdString referencesBen Boeckel2014-03-081-8/+8
| | | | | | | | | | | | | | | | | | | | | | 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.
* | stringapi: Use strings in target nameBen Boeckel2014-03-081-7/+8
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* cmMakefile: make some methods take const std::string& instead of const char*Rolf Eike Beer2014-01-161-1/+1
| | | | | | | | Most callers already have a std::string, on which they called c_str() to pass it into these methods, which internally converted it back to std::string. Pass a std::string directly to these methods now, avoiding all these conversions. Those methods that only pass in a const char* will get the conversion to std::string now only once.
* AddDependencies: new policy requires dependencies to existNils Gladitz2014-01-121-0/+39
| | | | | Added new policy CMP0046 which requires dependencies added by add_dependencies() to actually exist.
* Constify handling of target dependencies.Stephen Kelly2013-12-111-20/+22
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* Remove INTERFACE build targets.Stephen Kelly2013-12-101-18/+7
| | | | | | | | | | | | | | | Commit b04f3b9a (Create make rules for INTERFACE_LIBRARY targets., 2013-08-21) extended the makefile generator to create build targets for INTERFACE_LIBRARY targets. No other generators were extended with this feature. This conflicts with the feature of whitelisting of target properties read from INTERFACE_LIBRARY targets. The INTERFACE_* properties of the INTERFACE_LIBRARY may legitimately contain TARGET_PROPERTY generator expressions for reading properties from the 'head target'. The 'head target' would be the INTERFACE_LIBRARY itself when creating the build rules for it, which means that non-whitelisted properties would be read.
* INTERFACE_LIBRARY: Avoid codepaths which set unneeded properties.Stephen Kelly2013-11-251-1/+9
| | | | | | | | | | | | | As an INTERFACE_LIBRARY has no direct link dependencies, we can short-circuit in cmGeneratorExpressionEvaluator and in cmGlobalGenerator::CheckLocalGenerators. As they do not generate any output directly, any generate- or install- related code acn also be short-circuited. Many of the local generators already do this. Because only INTERFACE related properties make sense on INTERFACE_LIBRARY targets, avoid setting other properties, for example via defaults.
* Create make rules for INTERFACE_LIBRARY targets.Stephen Kelly2013-10-211-1/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The result is that the depends of the target are created. So, add_library(somelib foo.cpp) add_library(anotherlib EXCLUDE_FROM_ALL foo.cpp) add_library(extra EXCLUDE_FROM_ALL foo.cpp) target_link_libraries(anotherlib extra) add_library(iface INTERFACE) target_link_libraries(iface INTERFACE anotherlib) Executing 'make iface' will result in the anotherlib and extra targets being made. Adding a regular executable to the INTERFACE of an INTERFACE_LIBRARY will not result in the executable being built with 'make iface' because of the logic in cmComputeTargetDepends::AddTargetDepend. So far, this is implemented only for the Makefile generator. Other generators will follow if this feature is possible for them. Make INTERFACE_LIBRARY targets part of the all target by default. Test this by building the all target and making the expected library EXCLUDE_FROM_ALL.
* Add entire link interface transitive closure as target depends.Stephen Kelly2013-07-021-0/+2
| | | | | | | This was missing from commit 30962029 (Make targets depend on the link interface of their dependees., 2012-12-26), which caused only immeditate entries of the link interface to become target depends.
* Add LINK_LIBRARIES property for direct target link dependenciesStephen Kelly2013-01-081-7/+33
| | | | | | | | | | | | | | | | | | | Previously we kept direct link dependencies in OriginalLinkLibraries. The property exposes the information in the CMake language through the get/set_property commands. We preserve the OriginalLinkLibraries value internally to support old APIs like that for CMP0003's OLD behavior, but the property is now authoritative. This follows up from commit d5cf644a (Split link information processing into two steps, 2012-11-01). This will be used later to populate the link interface properties when exporting targets, and will later allow use of generator expressions when linking to libraries with target_link_libraries. Also make targets depend on the (config-specific) union of dependencies. CMake now allows linking to dependencies or not depending on the config. However, generated build systems are not all capable of processing config-specific dependencies, so the targets depend on the union of dependencies for all configs.
* Make linking APIs aware of 'head' targetStephen Kelly2013-01-081-1/+2
| | | | | | | | | | | The 'head' is the dependent target to be linked with the current target. It will be used to evaluate generator expressions with proper handling of mapped configurations and is used as the source target of properties. This requires that memoization is done with a key of a pair of target and config, instead of just config, because now the result also depends on the target. Removing the memoization entirely is not an option because it slows cmake down considerably.
* Make targets depend on the link interface of their dependees.Stephen Kelly2013-01-031-0/+59
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* Run vim spellcheck on some filesYury G. Kudryashov2012-02-291-1/+1
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* Refactor TargetTypeNames.Nicolas Despres2011-10-021-1/+1
| | | | | | Make it a static method instead of an array. It is safer for the type checking and if we add a new target type we will be warned to add a case to the switch.
* Do not crash when an imported target depends on a missing targetBrad King2011-08-041-3/+5
| | | | | Commit e01cce28 (Allow add_dependencies() on imported targets, 2010-11-19) forgot to check if the dependee exists before using it.
* Allow add_dependencies() on imported targets (#10395)Brad King2010-11-191-23/+34
| | | | | | | Imported targets do not themselves build, but we can follow dependencies through them to find real targets. This allows imported targets to depend on custom targets that provide the underlying files at build time.
* Record edge type in global dependency graphBrad King2010-11-181-5/+7
| | | | Each inter-target dependency may be a 'link' or 'util' dependency.
* Honor strong intra-component target dependenciesBrad King2010-08-251-22/+85
| | | | | | | | Strong dependencies (created by add_dependencies) must be honored when linearizing a strongly-connected component of the target dependency graph. The initial graph edges have strong/weak labels and can contain cycles that do not consist exclusively of strong edges. The final graph never contains cycles so all edges can be strong.
* Distinguish "strong" and "weak" target dependency edgesBrad King2010-08-251-10/+16
| | | | | | Utility dependencies are "strong" because they must be enforced to generate a working build. Link dependencies are "weak" because they can be broken in the case of a static library cycle.
* Split notion of node lists and edge listsBrad King2010-08-251-8/+8
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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.
* Create GLOBAL_DEPENDS_NO_CYCLES propertyBrad King2009-08-241-2/+18
| | | | | This global property disallows cycles in the inter-target dependency graph even among STATIC libraries. See issue #9444.
* BUG: Avoid bogus dependency on executable targetsBrad King2008-08-061-3/+14
| | | | | | | | | | | | When an executable target within the project is named in target_link_libraries for another target, but the executable does not have the ENABLE_EXPORTS property set, then the executable cannot really be linked. This is probably a case where the user intends to link to a third-party library that happens to have the same name as an executable target in the project (or else will get an error at build time). We need to avoid making the other target depend on the executable target incorrectly, since the executable may actually want to link to that target and this is not a circular depenency.
* ENH: Improve readability of circular depends errorBrad King2008-08-061-2/+2
| | | | | | When reporting the dependencies in a strongly connected component quote the target names to make the message more readable no matter the target name.
* ENH: Improve link line generation for static library cycles.Brad King2008-02-071-166/+70
| | | | | | | | | - Move Tarjan algorithm from cmComputeTargetDepends into its own class cmComputeComponentGraph - Use cmComputeComponentGraph to identify the component DAG of link dependencies in cmComputeLinkDepends - Emit non-trivial component members more than once but always in a contiguous group on the link line
* ENH: Analyze inter-target dependencies to safely fix cyclesBrad King2008-02-061-0/+527
- Cycles may be formed among static libraries - Native build system should not have cycles in target deps - Create cmComputeTargetDepends to analyze dependencies - Identify conneced components and use them to fix deps - Diagnose cycles containing non-STATIC targets - Add debug mode property GLOBAL_DEPENDS_DEBUG_MODE - Use results in cmGlobalGenerator as target direct depends
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