Allow target_link_libraries with IMPORTED targets.
This makes it possible to use: target_link_libraries(foo LINK_INTERFACE_LIBRARIES bar) where foo is an IMPORTED target. Other tll() signatures are not allowed.
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@ -33,6 +33,10 @@ bool cmTargetLinkLibrariesCommand
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this->Target =
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this->Makefile->GetCMakeInstance()
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->GetGlobalGenerator()->FindTarget(0, args[0].c_str());
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if(!this->Target)
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{
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this->Target = this->Makefile->FindTargetToUse(args[0].c_str());
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}
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if(!this->Target)
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{
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cmake::MessageType t = cmake::FATAL_ERROR; // fail by default
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@ -257,6 +261,16 @@ cmTargetLinkLibrariesCommand::HandleLibrary(const char* lib,
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// Handle normal case first.
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if(this->CurrentProcessingState != ProcessingLinkInterface)
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{
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if (this->Target->IsImported())
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{
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cmOStringStream e;
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e << "Imported targets may only be used with the "
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"LINK_INTERFACE_LIBRARIES specifier to target_link_libraries.";
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this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
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return;
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}
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this->Makefile
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->AddLinkLibraryForTarget(this->Target->GetName(), lib, llt);
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if (this->CurrentProcessingState != ProcessingPublicInterface)
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@ -29,6 +29,9 @@ set(CMAKE_INCLUDE_CURRENT_DIR ON)
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add_library(depA SHARED depA.cpp)
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generate_export_header(depA)
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add_library(importedlib UNKNOWN IMPORTED)
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target_link_libraries(importedlib LINK_INTERFACE_LIBRARIES depA)
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add_library(depB SHARED depB.cpp)
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generate_export_header(depB)
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