diff --git a/Source/cmExportFileGenerator.cxx b/Source/cmExportFileGenerator.cxx index ef336ea47..14be5cd47 100644 --- a/Source/cmExportFileGenerator.cxx +++ b/Source/cmExportFileGenerator.cxx @@ -185,6 +185,10 @@ bool cmExportFileGenerator::PopulateInterfaceLinkLibrariesProperty( ImportPropertyMap &properties, std::vector &missingTargets) { + if(!target->IsLinkable()) + { + return false; + } const char *input = target->GetProperty("INTERFACE_LINK_LIBRARIES"); if (input) { @@ -631,6 +635,7 @@ cmExportFileGenerator if (iface->ImplementationIsInterface) { + // Policy CMP0022 must not be NEW. this->SetImportLinkProperty(suffix, target, "IMPORTED_LINK_INTERFACE_LIBRARIES", iface->Libraries, properties, missingTargets); diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx index ac655da12..4ba6c1981 100644 --- a/Source/cmTarget.cxx +++ b/Source/cmTarget.cxx @@ -83,10 +83,12 @@ class cmTargetInternals public: cmTargetInternals() { + this->PolicyWarnedCMP0022 = false; this->SourceFileFlagsConstructed = false; } cmTargetInternals(cmTargetInternals const& r) { + this->PolicyWarnedCMP0022 = false; this->SourceFileFlagsConstructed = false; // Only some of these entries are part of the object state. // Others not copied here are result caches. @@ -109,6 +111,7 @@ public: typedef std::map LinkInterfaceMapType; LinkInterfaceMapType LinkInterfaceMap; + bool PolicyWarnedCMP0022; typedef std::map OutputInfoMapType; OutputInfoMapType OutputInfoMap; @@ -833,7 +836,7 @@ void cmTarget::DefineProperties(cmake *cm) "CMAKE_LINK_INTERFACE_LIBRARIES if it is set when a target is " "created. " "This property is ignored for STATIC libraries.\n" - "This property is overriden by the INTERFACE_LINK_LIBRARIES property if " + "This property is overridden by the INTERFACE_LINK_LIBRARIES property if " "policy CMP0022 is NEW.\n" "This property is deprecated. Use INTERFACE_LINK_LIBRARIES instead."); @@ -844,18 +847,18 @@ void cmTarget::DefineProperties(cmake *cm) "LINK_INTERFACE_LIBRARIES. " "If set, this property completely overrides the generic property " "for the named configuration.\n" - "This property is overriden by the INTERFACE_LINK_LIBRARIES property if " + "This property is overridden by the INTERFACE_LINK_LIBRARIES property if " "policy CMP0022 is NEW.\n" "This property is deprecated. Use INTERFACE_LINK_LIBRARIES instead."); cm->DefineProperty ("INTERFACE_LINK_LIBRARIES", cmProperty::TARGET, - "List public interface libraries for a shared library or executable.", + "List public interface libraries for a library.", "This property contains the list of transitive link dependencies. " "When the target is linked into another target the libraries " "listed (and recursively their link interface libraries) will be " "provided to the other target also. " - "This property is overriden by the LINK_INTERFACE_LIBRARIES or " + "This property is overridden by the LINK_INTERFACE_LIBRARIES or " "LINK_INTERFACE_LIBRARIES_ property if " "policy CMP0022 is OLD or unset.\n" "\n" @@ -2331,16 +2334,10 @@ void cmTarget::MergeLinkLibraries( cmMakefile& mf, i += this->PrevLinkedLibraries.size(); for( ; i != libs.end(); ++i ) { - // We call this so that the dependencies get written to the cache + // This is equivalent to the target_link_libraries plain signature. this->AddLinkLibrary( mf, selfname, i->first.c_str(), i->second ); - - if (this->GetType() == cmTarget::STATIC_LIBRARY) - { - this->AppendProperty("INTERFACE_LINK_LIBRARIES", - ("$GetDebugGeneratorExpressions(i->first.c_str(), i->second) + - ">").c_str()); - } + this->AppendProperty("INTERFACE_LINK_LIBRARIES", + this->GetDebugGeneratorExpressions(i->first.c_str(), i->second).c_str()); } this->PrevLinkedLibraries = libs; } @@ -6412,12 +6409,20 @@ bool cmTarget::ComputeLinkInterface(const char* config, LinkInterface& iface, // An explicit list of interface libraries may be set for shared // libraries and executables that export symbols. const char* explicitLibraries = 0; - const char* newExplicitLibraries = - this->GetProperty("INTERFACE_LINK_LIBRARIES"); std::string linkIfaceProp; - if(this->GetType() == cmTarget::SHARED_LIBRARY || - this->IsExecutableWithExports()) + if(this->PolicyStatusCMP0022 != cmPolicies::OLD && + this->PolicyStatusCMP0022 != cmPolicies::WARN) { + // CMP0022 NEW behavior is to use INTERFACE_LINK_LIBRARIES. + linkIfaceProp = "INTERFACE_LINK_LIBRARIES"; + explicitLibraries = this->GetProperty(linkIfaceProp.c_str()); + } + else if(this->GetType() == cmTarget::SHARED_LIBRARY || + this->IsExecutableWithExports()) + { + // CMP0022 OLD behavior is to use LINK_INTERFACE_LIBRARIES if set on a + // shared lib or executable. + // Lookup the per-configuration property. linkIfaceProp = "LINK_INTERFACE_LIBRARIES"; linkIfaceProp += suffix; @@ -6429,95 +6434,32 @@ bool cmTarget::ComputeLinkInterface(const char* config, LinkInterface& iface, linkIfaceProp = "LINK_INTERFACE_LIBRARIES"; explicitLibraries = this->GetProperty(linkIfaceProp.c_str()); } - if (newExplicitLibraries - && (!explicitLibraries || - (explicitLibraries - && strcmp(newExplicitLibraries, explicitLibraries) != 0))) - { - switch(this->GetPolicyStatusCMP0022()) - { - case cmPolicies::WARN: - { - cmOStringStream w; - w << (this->Makefile->GetPolicies() - ->GetPolicyWarning(cmPolicies::CMP0022)) << "\n" - << "Target \"" << this->GetName() << "\" has a " - "INTERFACE_LINK_LIBRARIES property which differs from its " - << linkIfaceProp << " properties." - "\n" - "INTERFACE_LINK_LIBRARIES:\n " - << newExplicitLibraries - << "\n" - << linkIfaceProp << ":\n " - << (explicitLibraries ? explicitLibraries : "(empty)") << "\n"; - this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str()); - } - // Fall through - case cmPolicies::OLD: - break; - case cmPolicies::REQUIRED_IF_USED: - case cmPolicies::REQUIRED_ALWAYS: - case cmPolicies::NEW: - explicitLibraries = newExplicitLibraries; - linkIfaceProp = "INTERFACE_LINK_LIBRARIES"; - break; - } - } } - else if(this->GetType() == cmTarget::STATIC_LIBRARY) + + if(explicitLibraries && this->PolicyStatusCMP0022 == cmPolicies::WARN && + !this->Internal->PolicyWarnedCMP0022) { - if (newExplicitLibraries) + // Compare the explicitly set old link interface properties to the + // preferred new link interface property one and warn if different. + const char* newExplicitLibraries = + this->GetProperty("INTERFACE_LINK_LIBRARIES"); + if (newExplicitLibraries + && strcmp(newExplicitLibraries, explicitLibraries) != 0) { - cmListFileBacktrace lfbt; - cmGeneratorExpression ge(lfbt); - cmGeneratorExpressionDAGChecker dagChecker(lfbt, this->GetName(), - "INTERFACE_LINK_LIBRARIES", 0, 0); - std::vector ifaceLibs; - cmSystemTools::ExpandListArgument( - ge.Parse(newExplicitLibraries)->Evaluate( - this->Makefile, - config, - false, - headTarget, - this, &dagChecker), ifaceLibs); - LinkImplementation const* impl = this->GetLinkImplementation(config, - headTarget); - if (ifaceLibs != impl->Libraries) - { - switch(this->GetPolicyStatusCMP0022()) - { - case cmPolicies::WARN: - { - cmOStringStream w; - w << (this->Makefile->GetPolicies() - ->GetPolicyWarning(cmPolicies::CMP0022)) << "\n" - << "Static library target \"" << this->GetName() << "\" has a " - "INTERFACE_LINK_LIBRARIES property. This should be preferred " - "as the source of the link interface for this library. " - "Ignoring the property and using the link implementation " - "as the link interface instead."; - this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str()); - } - // Fall through - case cmPolicies::OLD: - break; - case cmPolicies::REQUIRED_IF_USED: - case cmPolicies::REQUIRED_ALWAYS: - case cmPolicies::NEW: - explicitLibraries = newExplicitLibraries; - linkIfaceProp = "INTERFACE_LINK_LIBRARIES"; - break; - } - } - else - { - iface.Libraries = impl->Libraries; - if(this->LinkLanguagePropagatesToDependents()) - { - // Targets using this archive need its language runtime libraries. - iface.Languages = impl->Languages; - } - } + cmOStringStream w; + w << + (this->Makefile->GetPolicies() + ->GetPolicyWarning(cmPolicies::CMP0022)) << "\n" + "Target \"" << this->GetName() << "\" has an " + "INTERFACE_LINK_LIBRARIES property which differs from its " << + linkIfaceProp << " properties." + "\n" + "INTERFACE_LINK_LIBRARIES:\n" + " " << newExplicitLibraries << "\n" << + linkIfaceProp << ":\n" + " " << (explicitLibraries ? explicitLibraries : "(empty)") << "\n"; + this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str()); + this->Internal->PolicyWarnedCMP0022 = true; } } @@ -6588,11 +6530,12 @@ bool cmTarget::ComputeLinkInterface(const char* config, LinkInterface& iface, } } } - else if (this->GetPolicyStatusCMP0022() == cmPolicies::WARN - || this->GetPolicyStatusCMP0022() == cmPolicies::OLD) - // The implementation shouldn't be the interface if CMP0022 is NEW. That - // way, the LINK_LIBRARIES property can be set directly without having to - // empty the INTERFACE_LINK_LIBRARIES + else if (this->PolicyStatusCMP0022 == cmPolicies::WARN + || this->PolicyStatusCMP0022 == cmPolicies::OLD) + // If CMP0022 is NEW then the plain tll signature sets the + // INTERFACE_LINK_LIBRARIES, so if we get here then the project + // cleared the property explicitly and we should not fall back + // to the link implementation. { // The link implementation is the default link interface. LinkImplementation const* impl = this->GetLinkImplementation(config, @@ -6605,6 +6548,70 @@ bool cmTarget::ComputeLinkInterface(const char* config, LinkInterface& iface, // Targets using this archive need its language runtime libraries. iface.Languages = impl->Languages; } + + if(this->PolicyStatusCMP0022 == cmPolicies::WARN && + !this->Internal->PolicyWarnedCMP0022) + { + // Compare the link implementation fallback link interface to the + // preferred new link interface property and warn if different. + cmListFileBacktrace lfbt; + cmGeneratorExpression ge(lfbt); + cmGeneratorExpressionDAGChecker dagChecker(lfbt, this->GetName(), + "INTERFACE_LINK_LIBRARIES", 0, 0); + std::vector ifaceLibs; + const char* newExplicitLibraries = + this->GetProperty("INTERFACE_LINK_LIBRARIES"); + cmSystemTools::ExpandListArgument( + ge.Parse(newExplicitLibraries)->Evaluate(this->Makefile, + config, + false, + headTarget, + this, &dagChecker), + ifaceLibs); + if (ifaceLibs != impl->Libraries) + { + std::string oldLibraries; + std::string newLibraries; + const char *sep = ""; + for(std::vector::const_iterator it + = impl->Libraries.begin(); it != impl->Libraries.end(); ++it) + { + oldLibraries += sep; + oldLibraries += *it; + sep = ";"; + } + sep = ""; + for(std::vector::const_iterator it + = ifaceLibs.begin(); it != ifaceLibs.end(); ++it) + { + newLibraries += sep; + newLibraries += *it; + sep = ";"; + } + if(oldLibraries.empty()) + { oldLibraries = "(empty)"; } + if(newLibraries.empty()) + { newLibraries = "(empty)"; } + + cmOStringStream w; + w << + (this->Makefile->GetPolicies() + ->GetPolicyWarning(cmPolicies::CMP0022)) << "\n" + "Target \"" << this->GetName() << "\" has an " + "INTERFACE_LINK_LIBRARIES property. " + "This should be preferred as the source of the link interface " + "for this library but because CMP0022 is not set CMake is " + "ignoring the property and using the link implementation " + "as the link interface instead." + "\n" + "INTERFACE_LINK_LIBRARIES:\n" + " " << newLibraries << "\n" + "Link implementation:\n" + " " << oldLibraries << "\n"; + this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w.str()); + this->Internal->PolicyWarnedCMP0022 = true; + } + } } if(this->GetType() == cmTarget::STATIC_LIBRARY) diff --git a/Source/cmTargetLinkLibrariesCommand.cxx b/Source/cmTargetLinkLibrariesCommand.cxx index 863b3917e..c2f46a1b1 100644 --- a/Source/cmTargetLinkLibrariesCommand.cxx +++ b/Source/cmTargetLinkLibrariesCommand.cxx @@ -379,15 +379,26 @@ cmTargetLinkLibrariesCommand::HandleLibrary(const char* lib, { this->Makefile ->AddLinkLibraryForTarget(this->Target->GetName(), lib, llt); - if (this->CurrentProcessingState != ProcessingKeywordPublicInterface - && this->CurrentProcessingState != ProcessingPlainPublicInterface) + if(this->CurrentProcessingState == ProcessingLinkLibraries) + { + this->Target->AppendProperty("INTERFACE_LINK_LIBRARIES", + this->Target->GetDebugGeneratorExpressions(lib, llt).c_str()); + return true; + } + else if(this->CurrentProcessingState != ProcessingKeywordPublicInterface + && this->CurrentProcessingState != ProcessingPlainPublicInterface) { if (this->Target->GetType() == cmTarget::STATIC_LIBRARY) { + std::string configLib = this->Target + ->GetDebugGeneratorExpressions(lib, llt); + if (cmGeneratorExpression::IsValidTargetName(lib) + || cmGeneratorExpression::Find(lib) != std::string::npos) + { + configLib = "$"; + } this->Target->AppendProperty("INTERFACE_LINK_LIBRARIES", - ("$Target->GetDebugGeneratorExpressions(lib, llt) + - ">").c_str()); + configLib.c_str()); } // Not a 'public' or 'interface' library. Do not add to interface // property. diff --git a/Source/cmTargetLinkLibrariesCommand.h b/Source/cmTargetLinkLibrariesCommand.h index f2b25433c..2cf6b03ef 100644 --- a/Source/cmTargetLinkLibrariesCommand.h +++ b/Source/cmTargetLinkLibrariesCommand.h @@ -88,14 +88,19 @@ public: "See the IMPORTED mode of the add_library command for more " "information. " "\n" - "Library dependencies are transitive by default. " + "Library dependencies are transitive by default with this signature. " "When this target is linked into another target then the libraries " "linked to this target will appear on the link line for the other " "target too. " - "See the INTERFACE_LINK_LIBRARIES target property to override the " - "set of transitive link dependencies for a target. " + "This transitive \"link interface\" is stored in the " + "INTERFACE_LINK_LIBRARIES target property when policy CMP0022 is set " + "to NEW and may be overridden by setting the property directly. " + "(" + "When CMP0022 is not set to NEW, transitive linking is builtin " + "but may be overridden by the LINK_INTERFACE_LIBRARIES property. " "Calls to other signatures of this command may set the property " "making any libraries linked exclusively by this signature private." + ")" "\n" "CMake will also propagate \"usage requirements\" from linked library " "targets. " diff --git a/Tests/CMakeCommands/target_link_libraries/cmp0022/CMakeLists.txt b/Tests/CMakeCommands/target_link_libraries/cmp0022/CMakeLists.txt index 07d7c4392..818b8c99c 100644 --- a/Tests/CMakeCommands/target_link_libraries/cmp0022/CMakeLists.txt +++ b/Tests/CMakeCommands/target_link_libraries/cmp0022/CMakeLists.txt @@ -22,6 +22,16 @@ generate_export_header(staticlib1) add_library(staticlib2 STATIC staticlib2.cpp) generate_export_header(staticlib2) target_link_libraries(staticlib1 LINK_PUBLIC staticlib2) +if (CMAKE_CXX_COMPILER_ID MATCHES GNU OR CMAKE_CXX_COMPILER_ID MATCHES Clang) + target_link_libraries(staticlib1 LINK_PRIVATE "-Wl,-v") +endif() add_executable(staticlib_exe staticlib_exe.cpp) target_link_libraries(staticlib_exe staticlib1) + +add_library(onlyplainlib1 SHARED onlyplainlib1.cpp) +add_library(onlyplainlib2 SHARED onlyplainlib2.cpp) +target_link_libraries(onlyplainlib2 onlyplainlib1) + +add_executable(onlyplainlib_user onlyplainlib_user.cpp) +target_link_libraries(onlyplainlib_user onlyplainlib2) diff --git a/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib1.cpp b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib1.cpp new file mode 100644 index 000000000..41dc3ce18 --- /dev/null +++ b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib1.cpp @@ -0,0 +1,13 @@ + +#include "onlyplainlib1.h" + +OnlyPlainLib1::OnlyPlainLib1() + : result(0) +{ + +} + +int OnlyPlainLib1::GetResult() +{ + return result; +} diff --git a/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib1.h b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib1.h new file mode 100644 index 000000000..c0373ceb3 --- /dev/null +++ b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib1.h @@ -0,0 +1,14 @@ + +struct +#ifdef _WIN32 +__declspec(dllexport) +#endif +OnlyPlainLib1 +{ + OnlyPlainLib1(); + + int GetResult(); + +private: + int result; +}; diff --git a/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib2.cpp b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib2.cpp new file mode 100644 index 000000000..2865ae91a --- /dev/null +++ b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib2.cpp @@ -0,0 +1,8 @@ + +#include "onlyplainlib2.h" + +OnlyPlainLib1 onlyPlainLib2() +{ + OnlyPlainLib1 opl1; + return opl1; +} diff --git a/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib2.h b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib2.h new file mode 100644 index 000000000..74b18a00e --- /dev/null +++ b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib2.h @@ -0,0 +1,7 @@ + +#include "onlyplainlib1.h" + +#ifdef _WIN32 +__declspec(dllexport) +#endif +OnlyPlainLib1 onlyPlainLib2(); diff --git a/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib_user.cpp b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib_user.cpp new file mode 100644 index 000000000..0fb7b0a67 --- /dev/null +++ b/Tests/CMakeCommands/target_link_libraries/cmp0022/onlyplainlib_user.cpp @@ -0,0 +1,7 @@ + +#include "onlyplainlib2.h" + +int main(int argc, char **argv) +{ + return onlyPlainLib2().GetResult(); +} diff --git a/Tests/RunCMake/CMP0022/CMP0022-NOWARN-exe-stderr.txt b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-exe-stderr.txt new file mode 100644 index 000000000..10f32932e --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-exe-stderr.txt @@ -0,0 +1 @@ +^$ diff --git a/Tests/RunCMake/CMP0022/CMP0022-NOWARN-exe.cmake b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-exe.cmake new file mode 100644 index 000000000..b0268c842 --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-exe.cmake @@ -0,0 +1,7 @@ +enable_language(CXX) + +add_library(testLib empty_vs6_1.cpp) +add_executable(testExe empty_vs6_2.cpp) +target_link_libraries(testExe testLib) + +export(TARGETS testExe FILE "${CMAKE_CURRENT_BINARY_DIR}/cmp0022NOWARN-exe.cmake") diff --git a/Tests/RunCMake/CMP0022/CMP0022-NOWARN-shared-stderr.txt b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-shared-stderr.txt new file mode 100644 index 000000000..10f32932e --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-shared-stderr.txt @@ -0,0 +1 @@ +^$ diff --git a/Tests/RunCMake/CMP0022/CMP0022-NOWARN-shared.cmake b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-shared.cmake new file mode 100644 index 000000000..57c3ed0d7 --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-shared.cmake @@ -0,0 +1,8 @@ +enable_language(CXX) + +add_library(foo SHARED empty_vs6_1.cpp) +add_library(bar SHARED empty_vs6_2.cpp) +target_link_libraries(bar foo) + +add_executable(zot empty.cpp) +target_link_libraries(zot bar) diff --git a/Tests/RunCMake/CMP0022/CMP0022-NOWARN-static.cmake b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-static.cmake index 3e4144fcd..ad3b8df74 100644 --- a/Tests/RunCMake/CMP0022/CMP0022-NOWARN-static.cmake +++ b/Tests/RunCMake/CMP0022/CMP0022-NOWARN-static.cmake @@ -5,4 +5,8 @@ add_library(foo STATIC empty_vs6_1.cpp) add_library(bar STATIC empty_vs6_2.cpp) add_library(bat STATIC empty_vs6_3.cpp) target_link_libraries(foo bar) -target_link_libraries(bar bat) +# The last element here needs to contain a space so that it is a single +# element which is not a valid target name. As bar is a STATIC library, +# this tests that the LINK_ONLY generator expression is not used for +# that element, creating an error. +target_link_libraries(bar bat "-lz -lm") diff --git a/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old-result.txt b/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old-result.txt new file mode 100644 index 000000000..573541ac9 --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old-result.txt @@ -0,0 +1 @@ +0 diff --git a/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old-stderr.txt b/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old-stderr.txt new file mode 100644 index 000000000..6a6a0c782 --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old-stderr.txt @@ -0,0 +1,19 @@ +CMake Warning \(dev\) in CMakeLists.txt: + Policy CMP0022 is not set: INTERFACE_LINK_LIBRARIES defines the link + interface. Run "cmake --help-policy CMP0022" for policy details. Use the + cmake_policy command to set the policy and suppress this warning. + + Target "bar" has an INTERFACE_LINK_LIBRARIES property. This should be + preferred as the source of the link interface for this library but because + CMP0022 is not set CMake is ignoring the property and using the link + implementation as the link interface instead. + + INTERFACE_LINK_LIBRARIES: + + foo + + Link implementation: + + \(empty\) + +This warning is for project developers. Use -Wno-dev to suppress it. diff --git a/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old.cmake b/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old.cmake new file mode 100644 index 000000000..c5d3c29d9 --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old.cmake @@ -0,0 +1,10 @@ + +project(CMP0022-WARN-empty-old) + +add_library(foo SHARED empty_vs6_1.cpp) +add_library(bar SHARED empty_vs6_2.cpp) + +set_property(TARGET bar PROPERTY INTERFACE_LINK_LIBRARIES foo) + +add_library(user empty.cpp) +target_link_libraries(user bar) diff --git a/Tests/RunCMake/CMP0022/CMP0022-WARN-static-stderr.txt b/Tests/RunCMake/CMP0022/CMP0022-WARN-static-stderr.txt index 41d132cc0..1370c5ebe 100644 --- a/Tests/RunCMake/CMP0022/CMP0022-WARN-static-stderr.txt +++ b/Tests/RunCMake/CMP0022/CMP0022-WARN-static-stderr.txt @@ -3,8 +3,17 @@ CMake Warning \(dev\) in CMakeLists.txt: interface. Run "cmake --help-policy CMP0022" for policy details. Use the cmake_policy command to set the policy and suppress this warning. - Static library target "bar" has a INTERFACE_LINK_LIBRARIES property. This - should be preferred as the source of the link interface for this library. - Ignoring the property and using the link implementation as the link - interface instead. + Target "bar" has an INTERFACE_LINK_LIBRARIES property. This should be + preferred as the source of the link interface for this library but because + CMP0022 is not set CMake is ignoring the property and using the link + implementation as the link interface instead. + + INTERFACE_LINK_LIBRARIES: + + foo + + Link implementation: + + bat + This warning is for project developers. Use -Wno-dev to suppress it.$ diff --git a/Tests/RunCMake/CMP0022/CMP0022-WARN-stderr.txt b/Tests/RunCMake/CMP0022/CMP0022-WARN-stderr.txt index 93c0ab327..2f7dfbfb7 100644 --- a/Tests/RunCMake/CMP0022/CMP0022-WARN-stderr.txt +++ b/Tests/RunCMake/CMP0022/CMP0022-WARN-stderr.txt @@ -1,10 +1,10 @@ -CMake Warning \(dev\) in CMakeLists.txt: +^CMake Warning \(dev\) in CMakeLists.txt: Policy CMP0022 is not set: INTERFACE_LINK_LIBRARIES defines the link interface. Run "cmake --help-policy CMP0022" for policy details. Use the cmake_policy command to set the policy and suppress this warning. - Target "bar" has a INTERFACE_LINK_LIBRARIES property which differs from its - LINK_INTERFACE_LIBRARIES properties. + Target "bar" has an INTERFACE_LINK_LIBRARIES property which differs from + its LINK_INTERFACE_LIBRARIES properties. INTERFACE_LINK_LIBRARIES: diff --git a/Tests/RunCMake/CMP0022/CMP0022-WARN-tll-stderr.txt b/Tests/RunCMake/CMP0022/CMP0022-WARN-tll-stderr.txt index 6370b2475..f6722853a 100644 --- a/Tests/RunCMake/CMP0022/CMP0022-WARN-tll-stderr.txt +++ b/Tests/RunCMake/CMP0022/CMP0022-WARN-tll-stderr.txt @@ -3,8 +3,8 @@ CMake Warning \(dev\) in CMakeLists.txt: interface. Run "cmake --help-policy CMP0022" for policy details. Use the cmake_policy command to set the policy and suppress this warning. - Target "bar" has a INTERFACE_LINK_LIBRARIES property which differs from its - LINK_INTERFACE_LIBRARIES properties. + Target "bar" has an INTERFACE_LINK_LIBRARIES property which differs from + its LINK_INTERFACE_LIBRARIES properties. INTERFACE_LINK_LIBRARIES: diff --git a/Tests/RunCMake/CMP0022/CMP0022-WARN.cmake b/Tests/RunCMake/CMP0022/CMP0022-WARN.cmake index 24b7f4576..fe7e858b7 100644 --- a/Tests/RunCMake/CMP0022/CMP0022-WARN.cmake +++ b/Tests/RunCMake/CMP0022/CMP0022-WARN.cmake @@ -9,3 +9,8 @@ set_property(TARGET bar PROPERTY LINK_INTERFACE_LIBRARIES bat) add_library(user empty.cpp) target_link_libraries(user bar) + +# Use "bar" again with a different "head" target to check +# that the warning does not appear again. +add_library(user2 empty_vs6_3.cpp) +target_link_libraries(user2 bar) diff --git a/Tests/RunCMake/CMP0022/CMP0022-export-exe-stderr.txt b/Tests/RunCMake/CMP0022/CMP0022-export-exe-stderr.txt new file mode 100644 index 000000000..10f32932e --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-export-exe-stderr.txt @@ -0,0 +1 @@ +^$ diff --git a/Tests/RunCMake/CMP0022/CMP0022-export-exe.cmake b/Tests/RunCMake/CMP0022/CMP0022-export-exe.cmake new file mode 100644 index 000000000..d832faceb --- /dev/null +++ b/Tests/RunCMake/CMP0022/CMP0022-export-exe.cmake @@ -0,0 +1,9 @@ +enable_language(CXX) + +cmake_policy(SET CMP0022 NEW) + +add_library(testLib empty_vs6_1.cpp) +add_executable(testExe empty_vs6_2.cpp) +target_link_libraries(testExe testLib) + +export(TARGETS testExe FILE "${CMAKE_CURRENT_BINARY_DIR}/cmp0022NEW-exe.cmake") diff --git a/Tests/RunCMake/CMP0022/RunCMakeTest.cmake b/Tests/RunCMake/CMP0022/RunCMakeTest.cmake index dcef0f5b4..2781d2094 100644 --- a/Tests/RunCMake/CMP0022/RunCMakeTest.cmake +++ b/Tests/RunCMake/CMP0022/RunCMakeTest.cmake @@ -3,7 +3,11 @@ include(RunCMake) run_cmake(CMP0022-WARN) run_cmake(CMP0022-WARN-tll) run_cmake(CMP0022-WARN-static) +run_cmake(CMP0022-WARN-empty-old) +run_cmake(CMP0022-NOWARN-exe) +run_cmake(CMP0022-NOWARN-shared) run_cmake(CMP0022-NOWARN-static) run_cmake(CMP0022-NOWARN-static-link_libraries) run_cmake(CMP0022-export) +run_cmake(CMP0022-export-exe) run_cmake(CMP0022-install-export) diff --git a/Tests/RunCMake/CMP0022/empty_vs6_4.cpp b/Tests/RunCMake/CMP0022/empty_vs6_4.cpp new file mode 100644 index 000000000..7efedabfa --- /dev/null +++ b/Tests/RunCMake/CMP0022/empty_vs6_4.cpp @@ -0,0 +1 @@ +#include "empty.cpp"