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ENH: Export and import link interface languages 

Now that languages are part of the link interface of a target we need to
export/import the information.  A new IMPORTED_LINK_INTERFACE_LANGUAGES
property and per-config IMPORTED_LINK_INTERFACE_LANGUAGES_<CONFIG>
property specify the information for imported targets.  The export() and
install(EXPORT) commands automatically set the properties.
This commit is contained in:
Brad King 2009-07-11 10:12:05 -04:00
parent 3621e073a8
commit f888a0efaf
2 changed files with 45 additions and 0 deletions
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3
Source/cmExportFileGenerator.cxx
View File

@ -152,6 +152,9 @@ cmExportFileGenerator
// Add the transitive link dependencies for this configuration.
if(cmTarget::LinkInterface const* iface = target->GetLinkInterface(config))
{
this->SetImportLinkProperty(suffix, target,
"IMPORTED_LINK_INTERFACE_LANGUAGES",
iface->Languages, properties);
this->SetImportLinkProperty(suffix, target,
"IMPORTED_LINK_INTERFACE_LIBRARIES",
iface->Libraries, properties);

42
Source/cmTarget.cxx
View File

@ -310,6 +310,30 @@ void cmTarget::DefineProperties(cmake *cm)
"If set, this property completely overrides the generic property "
"for the named configuration.");
cm->DefineProperty
("IMPORTED_LINK_INTERFACE_LANGUAGES", cmProperty::TARGET,
"Languages compiled into an IMPORTED static library.",
"Lists languages of soure files compiled to produce a STATIC IMPORTED "
"library (such as \"C\" or \"CXX\"). "
"CMake accounts for these languages when computing how to link a "
"target to the imported library. "
"For example, when a C executable links to an imported C++ static "
"library CMake chooses the C++ linker to satisfy language runtime "
"dependencies of the static library. "
"\n"
"This property is ignored for targets that are not STATIC libraries. "
"This property is ignored for non-imported targets.");
cm->DefineProperty
("IMPORTED_LINK_INTERFACE_LANGUAGES_<CONFIG>", cmProperty::TARGET,
"Per-configuration version of IMPORTED_LINK_INTERFACE_LANGUAGES.",
"This property is used when loading settings for the <CONFIG> "
"configuration of an imported target. "
"Configuration names correspond to those provided by the project "
"from which the target is imported. "
"If set, this property completely overrides the generic property "
"for the named configuration.");
cm->DefineProperty
("IMPORTED_LOCATION", cmProperty::TARGET,
"Full path to the main file on disk for an IMPORTED target.",
@ -3791,6 +3815,24 @@ void cmTarget::ComputeImportInfo(std::string const& desired_config,
cmSystemTools::ExpandListArgument(libs, info.LinkInterface.SharedDeps);
}
}
// Get the link languages.
if(this->GetType() == cmTarget::STATIC_LIBRARY)
{
std::string linkProp = "IMPORTED_LINK_INTERFACE_LANGUAGES";
linkProp += suffix;
if(const char* config_libs = this->GetProperty(linkProp.c_str()))
{
cmSystemTools::ExpandListArgument(config_libs,
info.LinkInterface.Languages);
}
else if(const char* libs =
this->GetProperty("IMPORTED_LINK_INTERFACE_LANGUAGES"))
{
cmSystemTools::ExpandListArgument(libs,
info.LinkInterface.Languages);
}
}
}
//----------------------------------------------------------------------------