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ENH: Updated exporting and importing of targets to support libraries and configurations.
- Created cmExportFileGenerator hierarchy to implement export file generation - Installed exports use per-config import files loaded by a central one. - Include soname of shared libraries in import information - Renamed PREFIX to NAMESPACE in INSTALL(EXPORT) and EXPORT() commands - Move addition of CMAKE_INSTALL_PREFIX to destinations to install generators - Import files compute the installation prefix relative to their location when loaded - Add mapping of importer configurations to importee configurations - Rename IMPORT targets to IMPORTED targets to distinguish from windows import libraries - Scope IMPORTED targets within directories to isolate them - Place all properties created by import files in the IMPORTED namespace - Document INSTALL(EXPORT) and EXPORT() commands. - Document IMPORTED signature of add_executable and add_library - Enable finding of imported targets in cmComputeLinkDepends
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@@ -73,7 +73,26 @@ public:
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"to STATIC.\n"
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"If EXCLUDE_FROM_ALL is given the target will not be built by default. "
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"It will be built only if the user explicitly builds the target or "
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"another target that requires the target depends on it.";
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"another target that requires the target depends on it."
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"\n"
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"The add_library command can also create IMPORTED library "
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"targets using this signature:\n"
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" add_library(<name> <SHARED|STATIC|MODULE> IMPORTED)\n"
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"An IMPORTED library target references a library file located "
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"outside the project. "
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"No rules are generated to build it. "
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"The target name has scope in the directory in which it is created "
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"and below. "
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"It may be referenced like any target built within the project. "
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"IMPORTED libraries are useful for convenient reference from "
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"commands like target_link_libraries. "
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"Details about the imported library are specified by setting "
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"properties whose names begin in \"IMPORTED_\". "
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"The most important such property is IMPORTED_LOCATION "
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"(and its per-configuration version IMPORTED_LOCATION_<CONFIG>) "
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"which specifies the location of the main library file on disk. "
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"See documentation of the IMPORTED_* properties for more information."
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;
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}
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cmTypeMacro(cmAddLibraryCommand, cmCommand);
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