target_include_directories: Support relative SYSTEM include dirs (#15464)
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@ -75,7 +75,23 @@ bool cmTargetIncludeDirectoriesCommand
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tgt->InsertInclude(this->Join(content), lfbt, prepend);
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if (system)
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{
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tgt->AddSystemIncludeDirectories(content);
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std::string prefix =
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this->Makefile->GetCurrentSourceDirectory() + std::string("/");
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std::set<std::string> sdirs;
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for (std::vector<std::string>::const_iterator it = content.begin();
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it != content.end(); ++it)
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{
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if (cmSystemTools::FileIsFullPath(it->c_str())
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|| cmGeneratorExpression::Find(*it) == 0)
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{
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sdirs.insert(*it);
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}
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else
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{
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sdirs.insert(prefix + *it);
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}
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}
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tgt->AddSystemIncludeDirectories(sdirs);
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}
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return true;
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}
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@ -91,7 +107,7 @@ void cmTargetIncludeDirectoriesCommand
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if (system)
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{
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std::string joined = cmJoin(content, ";");
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std::string joined = this->Join(content);
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tgt->AppendProperty("INTERFACE_SYSTEM_INCLUDE_DIRECTORIES",
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joined.c_str());
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}
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@ -35,6 +35,16 @@ add_library(imported_consumer2 imported_consumer.cpp)
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target_link_libraries(imported_consumer2 imported_consumer)
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target_compile_options(imported_consumer2 PRIVATE -Werror=unused-variable)
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# add a target which has a relative system include
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add_library(somelib imported_consumer.cpp)
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target_include_directories(somelib SYSTEM PUBLIC "systemlib_header_only")
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target_compile_options(somelib PRIVATE -Werror=unused-variable)
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# add a target which consumes a relative system include
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add_library(otherlib upstream.cpp)
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target_link_libraries(otherlib PUBLIC somelib)
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target_compile_options(somelib PRIVATE -Werror=unused-variable)
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macro(do_try_compile error_option)
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set(TC_ARGS
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IFACE_TRY_COMPILE_${error_option}
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