CMP0022: Remove support for OLD behavior

Help/policy/CMP0022.rst

@@ -1,6 +1,9 @@
 CMP0022
 -------
 
+.. |REMOVED_IN_CMAKE_VERSION| replace:: 4.0
+.. include:: REMOVED_PROLOGUE.txt
+
 :prop_tgt:`INTERFACE_LINK_LIBRARIES` defines the link interface.
 
 CMake 2.8.11 constructed the 'link interface' of a target from
@@ -33,7 +36,5 @@ property for in-build targets, and ignore the old properties matching
 ``(IMPORTED_)?LINK_INTERFACE_LIBRARIES(_<CONFIG>)?``.
 
 .. |INTRODUCED_IN_CMAKE_VERSION| replace:: 2.8.12
-.. |WARNS_OR_DOES_NOT_WARN| replace:: warns
+.. |WARNED_OR_DID_NOT_WARN| replace:: warned
-.. include:: STANDARD_ADVICE.txt
+.. include:: REMOVED_EPILOGUE.txt
-
-.. include:: DEPRECATED.txt

Source/cmExportAndroidMKGenerator.cxx

@@ -12,13 +12,9 @@
 #include "cmGeneratorTarget.h"
 #include "cmLinkItem.h"
 #include "cmList.h"
-#include "cmMakefile.h"
-#include "cmMessageType.h"
-#include "cmPolicies.h"
 #include "cmStateTypes.h"
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
-#include "cmTarget.h"
 
 cmExportAndroidMKGenerator::cmExportAndroidMKGenerator() = default;
 
@@ -52,20 +48,6 @@ void cmExportAndroidMKGenerator::GenerateInterfaceProperties(
     (this->Configurations.empty() ? std::string{} : this->Configurations[0]);
   GenerateType const type = this->GetGenerateType();
 
-  bool const newCMP0022Behavior =
-    target->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
-    target->GetPolicyStatusCMP0022() != cmPolicies::OLD;
-  if (!newCMP0022Behavior) {
-    std::ostringstream w;
-    if (type == BUILD) {
-      w << "export(TARGETS ... ANDROID_MK) called with policy CMP0022";
-    } else {
-      w << "install( EXPORT_ANDROID_MK ...) called with policy CMP0022";
-    }
-    w << " set to OLD for target " << target->Target->GetName() << ". "
-      << "The export will only work with CMP0022 set to NEW.";
-    target->Makefile->IssueMessage(MessageType::AUTHOR_WARNING, w.str());
-  }
   if (!properties.empty()) {
     os << "LOCAL_CPP_FEATURES := rtti exceptions\n";
     for (auto const& property : properties) {

Source/cmExportBuildAndroidMKGenerator.cxx

@@ -7,7 +7,6 @@
 
 #include "cmGeneratorExpression.h"
 #include "cmGeneratorTarget.h"
-#include "cmPolicies.h"
 #include "cmStateTypes.h"
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
@@ -34,13 +33,8 @@ bool cmExportBuildAndroidMKGenerator::GenerateMainFile(std::ostream& os)
       return false;
     }
 
-    bool const newCMP0022Behavior =
-      gte->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
-      gte->GetPolicyStatusCMP0022() != cmPolicies::OLD;
-    if (newCMP0022Behavior) {
     this->PopulateInterfaceLinkLibrariesProperty(
       gte, cmGeneratorExpression::BuildInterface, properties);
-    }
 
     this->GenerateInterfaceProperties(gte, os, properties);
   }

Source/cmExportBuildCMakeConfigGenerator.cxx

@@ -24,7 +24,6 @@
 #include "cmMakefile.h"
 #include "cmMessageType.h"
 #include "cmOutputConverter.h"
-#include "cmPolicies.h"
 #include "cmStateTypes.h"
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
@@ -72,13 +71,8 @@ bool cmExportBuildCMakeConfigGenerator::GenerateMainFile(std::ostream& os)
       return false;
     }
 
-    bool const newCMP0022Behavior =
-      gte->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
-      gte->GetPolicyStatusCMP0022() != cmPolicies::OLD;
-    if (newCMP0022Behavior) {
     this->PopulateInterfaceLinkLibrariesProperty(
       gte, cmGeneratorExpression::BuildInterface, properties);
-    }
 
     this->GenerateInterfaceProperties(gte, os, properties);
 

Source/cmExportCMakeConfigGenerator.cxx

@@ -22,7 +22,6 @@
 #include "cmMakefile.h"
 #include "cmMessageType.h"
 #include "cmOutputConverter.h"
-#include "cmPolicies.h"
 #include "cmStateTypes.h"
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
@@ -130,11 +129,7 @@ void cmExportCMakeConfigGenerator::SetImportLinkInterface(
     return;
   }
 
-  bool const newCMP0022Behavior =
+  if (!this->ExportOld) {
-    target->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
-    target->GetPolicyStatusCMP0022() != cmPolicies::OLD;
-
-  if (newCMP0022Behavior && !this->ExportOld) {
     cmLocalGenerator* lg = target->GetLocalGenerator();
     std::ostringstream e;
     e << "Target \"" << target->GetName()

Source/cmExportInstallAndroidMKGenerator.cxx

@@ -12,7 +12,6 @@
 #include "cmGeneratorTarget.h"
 #include "cmInstallExportGenerator.h"
 #include "cmInstallTargetGenerator.h"
-#include "cmPolicies.h"
 #include "cmStateTypes.h"
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
@@ -58,13 +57,8 @@ bool cmExportInstallAndroidMKGenerator::GenerateMainFile(std::ostream& os)
       return false;
     }
 
-    bool const newCMP0022Behavior =
-      gt->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
-      gt->GetPolicyStatusCMP0022() != cmPolicies::OLD;
-    if (newCMP0022Behavior) {
     this->PopulateInterfaceLinkLibrariesProperty(
       gt, cmGeneratorExpression::InstallInterface, properties);
-    }
 
     this->GenerateInterfaceProperties(gt, os, properties);
   }

Source/cmExportInstallCMakeConfigGenerator.cxx

@@ -25,7 +25,6 @@
 #include "cmMakefile.h"
 #include "cmMessageType.h"
 #include "cmOutputConverter.h"
-#include "cmPolicies.h"
 #include "cmStateTypes.h"
 #include "cmStringAlgorithms.h"
 #include "cmSystemTools.h"
@@ -83,16 +82,11 @@ bool cmExportInstallCMakeConfigGenerator::GenerateMainFile(std::ostream& os)
       return false;
     }
 
-    bool const newCMP0022Behavior =
-      gt->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
-      gt->GetPolicyStatusCMP0022() != cmPolicies::OLD;
-    if (newCMP0022Behavior) {
     if (this->PopulateInterfaceLinkLibrariesProperty(
           gt, cmGeneratorExpression::InstallInterface, properties) &&
         !this->ExportOld) {
       this->SetRequiredCMakeVersion(2, 8, 12);
     }
-    }
     if (targetType == cmStateEnums::INTERFACE_LIBRARY) {
       this->SetRequiredCMakeVersion(3, 0, 0);
     }

Source/cmGeneratorTarget.h

@@ -1394,7 +1394,6 @@ private:
   mutable OutputNameMapType OutputNameMap;
   mutable std::set<cmLinkItem> UtilityItems;
   cmPolicies::PolicyMap PolicyMap;
-  mutable bool PolicyWarnedCMP0022 = false;
   mutable bool PolicyReportedCMP0069 = false;
   mutable bool DebugIncludesDone = false;
   mutable bool DebugCompileOptionsDone = false;

Source/cmGeneratorTarget_Link.cxx

@@ -718,10 +718,6 @@ void cmGeneratorTarget::ComputeLinkInterface(const std::string& config,
         }
       }
     }
-  } else if (this->GetPolicyStatusCMP0022() == cmPolicies::WARN ||
-             this->GetPolicyStatusCMP0022() == cmPolicies::OLD) {
-    // The link implementation is the default link interface.
-    iface.ImplementationIsInterface = true;
   }
 
   if (this->LinkLanguagePropagatesToDependents()) {
@@ -804,62 +800,10 @@ void cmGeneratorTarget::ComputeLinkInterfaceLibraries(
 
   // An explicit list of interface libraries may be set for shared
   // libraries and executables that export symbols.
-  bool haveExplicitLibraries = false;
+  bool const haveExplicitLibraries =
-  cmValue explicitLibrariesCMP0022OLD;
+    !this->Target->GetLinkInterfaceEntries().empty() ||
-  std::string linkIfacePropCMP0022OLD;
-  bool const cmp0022NEW = (this->GetPolicyStatusCMP0022() != cmPolicies::OLD &&
-                           this->GetPolicyStatusCMP0022() != cmPolicies::WARN);
-  if (cmp0022NEW) {
-    // CMP0022 NEW behavior is to use INTERFACE_LINK_LIBRARIES.
-    haveExplicitLibraries = !this->Target->GetLinkInterfaceEntries().empty() ||
     !this->Target->GetLinkInterfaceDirectEntries().empty() ||
     !this->Target->GetLinkInterfaceDirectExcludeEntries().empty();
-  } else {
-    // CMP0022 OLD behavior is to use LINK_INTERFACE_LIBRARIES if set on a
-    // shared lib or executable.
-    if (this->GetType() == cmStateEnums::SHARED_LIBRARY ||
-        this->IsExecutableWithExports()) {
-      // Lookup the per-configuration property.
-      linkIfacePropCMP0022OLD = cmStrCat("LINK_INTERFACE_LIBRARIES", suffix);
-      explicitLibrariesCMP0022OLD = this->GetProperty(linkIfacePropCMP0022OLD);
-
-      // If not set, try the generic property.
-      if (!explicitLibrariesCMP0022OLD) {
-        linkIfacePropCMP0022OLD = "LINK_INTERFACE_LIBRARIES";
-        explicitLibrariesCMP0022OLD =
-          this->GetProperty(linkIfacePropCMP0022OLD);
-      }
-    }
-
-    if (explicitLibrariesCMP0022OLD &&
-        this->GetPolicyStatusCMP0022() == cmPolicies::WARN &&
-        !this->PolicyWarnedCMP0022) {
-      // Compare the explicitly set old link interface properties to the
-      // preferred new link interface property one and warn if different.
-      cmValue newExplicitLibraries =
-        this->GetProperty("INTERFACE_LINK_LIBRARIES");
-      if (newExplicitLibraries &&
-          (*newExplicitLibraries != *explicitLibrariesCMP0022OLD)) {
-        std::ostringstream w;
-        /* clang-format off */
-        w << cmPolicies::GetPolicyWarning(cmPolicies::CMP0022) << "\n"
-          "Target \"" << this->GetName() << "\" has an "
-          "INTERFACE_LINK_LIBRARIES property which differs from its " <<
-          linkIfacePropCMP0022OLD << " properties."
-          "\n"
-          "INTERFACE_LINK_LIBRARIES:\n"
-          "  " << *newExplicitLibraries << "\n" <<
-          linkIfacePropCMP0022OLD << ":\n"
-          "  " << *explicitLibrariesCMP0022OLD << "\n";
-        /* clang-format on */
-        this->LocalGenerator->IssueMessage(MessageType::AUTHOR_WARNING,
-                                           w.str());
-        this->PolicyWarnedCMP0022 = true;
-      }
-    }
-
-    haveExplicitLibraries = static_cast<bool>(explicitLibrariesCMP0022OLD);
-  }
 
   // There is no implicit link interface for executables or modules
   // so if none was explicitly set then there is no link interface.
@@ -869,85 +813,21 @@ void cmGeneratorTarget::ComputeLinkInterfaceLibraries(
     return;
   }
   iface.Exists = true;
+  iface.Explicit = true;
 
-  // If CMP0022 is NEW then the plain tll signature sets the
-  // INTERFACE_LINK_LIBRARIES property.  Even if the project
-  // clears it, the link interface is still explicit.
-  iface.Explicit = cmp0022NEW || explicitLibrariesCMP0022OLD;
-
-  if (cmp0022NEW) {
   // The interface libraries are specified by INTERFACE_LINK_LIBRARIES.
   // Use its special representation directly to get backtraces.
   this->ExpandLinkItems(
-      kINTERFACE_LINK_LIBRARIES, this->Target->GetLinkInterfaceEntries(),
+    kINTERFACE_LINK_LIBRARIES, this->Target->GetLinkInterfaceEntries(), config,
-      config, headTarget, usage, LinkInterfaceField::Libraries, iface);
+    headTarget, usage, LinkInterfaceField::Libraries, iface);
   this->ExpandLinkItems(kINTERFACE_LINK_LIBRARIES_DIRECT,
-                          this->Target->GetLinkInterfaceDirectEntries(),
+                        this->Target->GetLinkInterfaceDirectEntries(), config,
-                          config, headTarget, usage,
+                        headTarget, usage, LinkInterfaceField::HeadInclude,
-                          LinkInterfaceField::HeadInclude, iface);
+                        iface);
   this->ExpandLinkItems(kINTERFACE_LINK_LIBRARIES_DIRECT_EXCLUDE,
                         this->Target->GetLinkInterfaceDirectExcludeEntries(),
                         config, headTarget, usage,
                         LinkInterfaceField::HeadExclude, iface);
-  } else if (explicitLibrariesCMP0022OLD) {
-    // The interface libraries have been explicitly set in pre-CMP0022 style.
-    std::vector<BT<std::string>> entries;
-    entries.emplace_back(*explicitLibrariesCMP0022OLD);
-    this->ExpandLinkItems(linkIfacePropCMP0022OLD, cmMakeRange(entries),
-                          config, headTarget, usage,
-                          LinkInterfaceField::Libraries, iface);
-  }
-
-  // If the link interface is explicit, do not fall back to the link impl.
-  if (iface.Explicit) {
-    return;
-  }
-
-  // The link implementation is the default link interface.
-  if (cmLinkImplementationLibraries const* impl =
-        this->GetLinkImplementationLibrariesInternal(config, headTarget,
-                                                     usage)) {
-    iface.Libraries.insert(iface.Libraries.end(), impl->Libraries.begin(),
-                           impl->Libraries.end());
-    if (this->GetPolicyStatusCMP0022() == cmPolicies::WARN &&
-        !this->PolicyWarnedCMP0022 && usage == UseTo::Link) {
-      // Compare the link implementation fallback link interface to the
-      // preferred new link interface property and warn if different.
-      cmLinkInterface ifaceNew;
-      this->ExpandLinkItems(
-        kINTERFACE_LINK_LIBRARIES, this->Target->GetLinkInterfaceEntries(),
-        config, headTarget, usage, LinkInterfaceField::Libraries, ifaceNew);
-      if (ifaceNew.Libraries != iface.Libraries) {
-        std::string oldLibraries = cmJoin(impl->Libraries, ";");
-        std::string newLibraries = cmJoin(ifaceNew.Libraries, ";");
-        if (oldLibraries.empty()) {
-          oldLibraries = "(empty)";
-        }
-        if (newLibraries.empty()) {
-          newLibraries = "(empty)";
-        }
-
-        std::ostringstream w;
-        /* clang-format off */
-        w << cmPolicies::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";
-        /* clang-format on */
-        this->LocalGenerator->IssueMessage(MessageType::AUTHOR_WARNING,
-                                           w.str());
-        this->PolicyWarnedCMP0022 = true;
-      }
-    }
-  }
 }
 
 namespace {
@@ -1218,9 +1098,7 @@ public:
 
 void TransitiveLinkImpl::Follow(cmGeneratorTarget const* target)
 {
-  if (!target || !this->Followed.insert(target).second ||
+  if (!target || !this->Followed.insert(target).second) {
-      target->GetPolicyStatusCMP0022() == cmPolicies::OLD ||
-      target->GetPolicyStatusCMP0022() == cmPolicies::WARN) {
     return;
   }
 

Source/cmInstallCommand.cxx

@@ -2156,23 +2156,6 @@ bool HandleExportMode(std::vector<std::string> const& args,
 
   cmExportSet& exportSet =
     helper.Makefile->GetGlobalGenerator()->GetExportSets()[exp];
-  if (exportOld) {
-    for (auto const& te : exportSet.GetTargetExports()) {
-      cmTarget* tgt =
-        helper.Makefile->GetGlobalGenerator()->FindTarget(te->TargetName);
-      const bool newCMP0022Behavior =
-        (tgt && tgt->GetPolicyStatusCMP0022() != cmPolicies::WARN &&
-         tgt->GetPolicyStatusCMP0022() != cmPolicies::OLD);
-
-      if (!newCMP0022Behavior) {
-        status.SetError(cmStrCat(
-          "INSTALL(EXPORT) given keyword \""
-          "EXPORT_LINK_INTERFACE_LIBRARIES\", but target \"",
-          te->TargetName, "\" does not have policy CMP0022 set to NEW."));
-        return false;
-      }
-    }
-  }
 
   cmInstallGenerator::MessageLevel message =
     cmInstallGenerator::SelectMessageLevel(helper.Makefile);

Source/cmPolicies.h

@@ -79,7 +79,7 @@ class cmMakefile;
     2, 8, 12, NEW)                                                            \
   SELECT(POLICY, CMP0022,                                                     \
          "INTERFACE_LINK_LIBRARIES defines the link interface.", 2, 8, 12,    \
-         WARN)                                                                \
+         NEW)                                                                 \
   SELECT(                                                                     \
     POLICY, CMP0023,                                                          \
     "Plain and keyword target_link_libraries signatures cannot be mixed.", 2, \

Source/cmTarget.cxx

@@ -999,14 +999,6 @@ cmTarget::cmTarget(std::string const& name, cmStateEnums::TargetType type,
   // Record current policies for later use.
   this->impl->Makefile->RecordPolicies(this->impl->PolicyMap);
 
-  if (this->impl->TargetType == cmStateEnums::INTERFACE_LIBRARY) {
-    // This policy is checked in a few conditions. The properties relevant
-    // to the policy are always ignored for cmStateEnums::INTERFACE_LIBRARY
-    // targets,
-    // so ensure that the conditions don't lead to nonsense.
-    this->impl->PolicyMap.Set(cmPolicies::CMP0022, cmPolicies::NEW);
-  }
-
   std::set<TargetProperty::InitCondition> metConditions;
   metConditions.insert(TargetProperty::InitCondition::Always);
   if (this->CanCompileSources()) {

Source/cmTargetLinkLibrariesCommand.cxx

@@ -25,8 +25,6 @@
 #include "cmSystemTools.h"
 #include "cmTarget.h"
 #include "cmTargetLinkLibraryType.h"
-#include "cmValue.h"
-#include "cmake.h"
 
 namespace {
 
@@ -327,21 +325,6 @@ bool cmTargetLinkLibrariesCommand(std::vector<std::string> const& args,
     cmSystemTools::SetFatalErrorOccurred();
   }
 
-  const cmPolicies::PolicyStatus policy22Status =
-    target->GetPolicyStatusCMP0022();
-
-  // If any of the LINK_ options were given, make sure the
-  // LINK_INTERFACE_LIBRARIES target property exists.
-  // Use of any of the new keywords implies awareness of
-  // this property. And if no libraries are named, it should
-  // result in an empty link interface.
-  if ((policy22Status == cmPolicies::OLD ||
-       policy22Status == cmPolicies::WARN) &&
-      currentProcessingState != ProcessingLinkLibraries &&
-      !target->GetProperty("LINK_INTERFACE_LIBRARIES")) {
-    target->SetProperty("LINK_INTERFACE_LIBRARIES", "");
-  }
-
   return true;
 }
 
@@ -528,54 +511,6 @@ bool TLL::HandleLibrary(ProcessingState currentProcessingState,
   // property of the target on the LHS shall be populated.)
   this->AppendProperty("INTERFACE_LINK_LIBRARIES",
                        this->Target->GetDebugGeneratorExpressions(lib, llt));
-
-  // Stop processing if called without any keyword.
-  if (currentProcessingState == ProcessingLinkLibraries) {
-    return true;
-  }
-  // Stop processing if policy CMP0022 is set to NEW.
-  const cmPolicies::PolicyStatus policy22Status =
-    this->Target->GetPolicyStatusCMP0022();
-  if (policy22Status != cmPolicies::OLD &&
-      policy22Status != cmPolicies::WARN) {
-    return true;
-  }
-  // Stop processing if called with an INTERFACE library on the LHS.
-  if (this->Target->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
-    return true;
-  }
-
-  // Handle (additional) backward-compatibility case where the command was
-  // called with PUBLIC / INTERFACE / LINK_PUBLIC / LINK_INTERFACE_LIBRARIES.
-  // (The policy CMP0022 is not set to NEW.)
-  {
-    // Get the list of configurations considered to be DEBUG.
-    std::vector<std::string> debugConfigs =
-      this->Makefile.GetCMakeInstance()->GetDebugConfigs();
-    std::string prop;
-
-    // Include this library in the link interface for the target.
-    if (llt == DEBUG_LibraryType || llt == GENERAL_LibraryType) {
-      // Put in the DEBUG configuration interfaces.
-      for (std::string const& dc : debugConfigs) {
-        prop = cmStrCat("LINK_INTERFACE_LIBRARIES_", dc);
-        this->AppendProperty(prop, lib);
-      }
-    }
-    if (llt == OPTIMIZED_LibraryType || llt == GENERAL_LibraryType) {
-      // Put in the non-DEBUG configuration interfaces.
-      this->AppendProperty("LINK_INTERFACE_LIBRARIES", lib);
-
-      // Make sure the DEBUG configuration interfaces exist so that the
-      // general one will not be used as a fall-back.
-      for (std::string const& dc : debugConfigs) {
-        prop = cmStrCat("LINK_INTERFACE_LIBRARIES_", dc);
-        if (!this->Target->GetProperty(prop)) {
-          this->Target->SetProperty(prop, "");
-        }
-      }
-    }
-  }
   return true;
 }
 

Tests/CMakeCommands/target_link_libraries/CMakeLists.txt

@@ -1,7 +1,4 @@
-# Using 2.8 will trigger a deprecation warning.  In this case it's explicitly
+cmake_minimum_required(VERSION 3.10)
-# intentional since the tests checks various policy implementations prior to
-# 3.10
-cmake_minimum_required(VERSION 2.8.11) # old enough to not set CMP0022
 
 if(POLICY CMP0129)
   cmake_policy(SET CMP0129 NEW)
@@ -53,38 +50,38 @@ generate_export_header(depC)
 
 target_link_libraries(depC LINK_PUBLIC depA LINK_PUBLIC depA)
 
-assert_property(depA LINK_INTERFACE_LIBRARIES "")
+assert_property(depA INTERFACE_LINK_LIBRARIES "")
-assert_property(depB LINK_INTERFACE_LIBRARIES "")
+assert_property(depB INTERFACE_LINK_LIBRARIES "")
-assert_property(depC LINK_INTERFACE_LIBRARIES "depA;depA")
+assert_property(depC INTERFACE_LINK_LIBRARIES "depA;depA")
 
 add_executable(targetA targetA.cpp)
 
 target_link_libraries(targetA LINK_INTERFACE_LIBRARIES depA depB)
 
-assert_property(targetA LINK_INTERFACE_LIBRARIES "depA;depB")
+assert_property(targetA INTERFACE_LINK_LIBRARIES "depA;depB")
 
-set_target_properties(targetA PROPERTIES LINK_INTERFACE_LIBRARIES "")
+set_target_properties(targetA PROPERTIES INTERFACE_LINK_LIBRARIES "")
 
-assert_property(targetA LINK_INTERFACE_LIBRARIES "")
+assert_property(targetA INTERFACE_LINK_LIBRARIES "")
 
 add_subdirectory(subdir)
 target_link_libraries(targetA subdirlib)
 
 target_link_libraries(targetA depB depC)
 
-assert_property(targetA LINK_INTERFACE_LIBRARIES "")
+assert_property(targetA INTERFACE_LINK_LIBRARIES ";subdirlib;depB;depC")
 
 # Exclude depIfaceOnly from ALL so that it will only be built if something
 # depends on it. As it is in the link interface of depB, targetA
 # will depend on it. That dependency is what is being tested here.
 add_library(depIfaceOnly SHARED EXCLUDE_FROM_ALL depIfaceOnly.cpp)
 generate_export_header(depIfaceOnly)
-set_property(TARGET depB APPEND PROPERTY LINK_INTERFACE_LIBRARIES depIfaceOnly)
+set_property(TARGET depB APPEND PROPERTY INTERFACE_LINK_LIBRARIES depIfaceOnly)
 
 add_library(depD SHARED depD.cpp)
 generate_export_header(depD)
 set_property(TARGET depD APPEND PROPERTY
-  LINK_INTERFACE_LIBRARIES
+  INTERFACE_LINK_LIBRARIES
     $<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,EXECUTABLE>:depA>
 )
 

Tests/ExportImport/Export/CMakeLists.txt

@@ -1,5 +1,5 @@
 set(CMAKE_EXPERIMENTAL_EXPORT_PACKAGE_DEPENDENCIES "1942b4fa-b2c5-4546-9385-83f254070067")
-cmake_minimum_required(VERSION 2.8.11) # old enough to not set CMP0022
+cmake_minimum_required(VERSION 3.10)
 if(POLICY CMP0129)
   cmake_policy(SET CMP0129 NEW)
 endif()
@@ -22,10 +22,9 @@ add_library(testExe2libImp SHARED testExe2libImp.c)
 set_property(TARGET testExe2libImp PROPERTY LIBRARY_OUTPUT_DIRECTORY impl)
 add_library(testExe2lib SHARED testExe2lib.c)
 target_link_libraries(testExe2lib testExe2libImp)
-set_property(TARGET testExe2lib PROPERTY LINK_INTERFACE_LIBRARIES "")
 add_executable(testExe2 testExe2.c)
 set_property(TARGET testExe2 PROPERTY ENABLE_EXPORTS 1)
-set_property(TARGET testExe2 PROPERTY LINK_INTERFACE_LIBRARIES testExe2lib)
+set_property(TARGET testExe2 PROPERTY INTERFACE_LINK_LIBRARIES testExe2lib)
 
 add_library(compileOnly INTERFACE)
 target_compile_definitions(compileOnly INTERFACE FROM_compileOnly)
@@ -36,7 +35,6 @@ target_link_libraries(noUses INTERFACE this::target_does_not_exist)
 
 add_library(testLib1 STATIC testLib1.c)
 add_library(testLib2 STATIC testLib2.c)
-target_link_libraries(testLib2 testLib1)
 target_link_libraries(testLib2
   PRIVATE
     testLib1
@@ -68,7 +66,6 @@ set_property(TARGET testLib3Imp PROPERTY LIBRARY_OUTPUT_DIRECTORY impl)
 target_link_libraries(testLib3Imp testLib3ImpDep)
 add_library(testLib3 SHARED testLib3.c)
 target_link_libraries(testLib3 testLib3Imp)
-set_property(TARGET testLib3 PROPERTY LINK_INTERFACE_LIBRARIES "")
 set_property(TARGET testLib3 PROPERTY VERSION 1.2)
 set_property(TARGET testLib3 PROPERTY SOVERSION 3)
 
@@ -108,8 +105,6 @@ else()
   set(maybe_OBJECTS_DESTINATION "")
 endif()
 
-cmake_policy(PUSH)
-cmake_policy(SET CMP0022 NEW)
 add_library(testLib9ObjPub OBJECT testLib9ObjPub.c)
 target_compile_definitions(testLib9ObjPub INTERFACE testLib9ObjPub_USED)
 add_library(testLib9ObjPriv OBJECT testLib9ObjPriv.c)
@@ -119,10 +114,7 @@ target_compile_definitions(testLib9ObjIface INTERFACE testLib9ObjIface_USED)
 add_library(testLib9 STATIC testLib9.c)
 target_link_libraries(testLib9 INTERFACE testLib9ObjIface PUBLIC testLib9ObjPub PRIVATE testLib9ObjPriv)
 target_link_libraries(testLib9 PUBLIC Foo::Foo)
-cmake_policy(POP)
 
-block()
-  cmake_policy(SET CMP0022 NEW)
 add_library(testLib10 STATIC testLib10.c)
 set_target_properties(testLib10 PROPERTIES
   TRANSITIVE_COMPILE_PROPERTIES "CUSTOM_C"
@@ -150,10 +142,9 @@ block()
   "$<TARGET_PROPERTY:CUSTOM_L>"
   "$<TARGET_PROPERTY:CUSTOM_M>"
   )
-endblock()
 
 # Test using the target_link_libraries command to set the
-# LINK_INTERFACE_LIBRARIES* properties.  We construct two libraries
+# INTERFACE_LINK_LIBRARIES properties.  We construct two libraries
 # providing the same two symbols.  In each library one of the symbols
 # will work and the other one will fail to link.  The import part of
 # this test will try to use the symbol corresponding to the
@@ -166,7 +157,7 @@ set_property(TARGET testLib4libdbg PROPERTY COMPILE_DEFINITIONS LIB_DBG)
 set_property(TARGET testLib4libopt PROPERTY COMPILE_DEFINITIONS LIB_OPT)
 target_link_libraries(testLib4
   LINK_INTERFACE_LIBRARIES
-  testLib4lib debug testLib4libdbg optimized testLib4libopt
+  testLib4lib debug $<TARGET_NAME:testLib4libdbg> optimized $<TARGET_NAME:testLib4libopt>
   )
 
 add_executable(testExe3 testExe3.c)
@@ -219,9 +210,6 @@ install(
   DESTINATION include/testInterfaceIncludeUser
 )
 
-cmake_policy(PUSH)
-cmake_policy(SET CMP0022 NEW)
-
 # Test control over direct linking.
 include(../../InterfaceLinkLibrariesDirect/testStaticLibPlugin.cmake)
 include(../../InterfaceLinkLibrariesDirect/testSharedLibWithHelper.cmake)
@@ -237,10 +225,8 @@ add_library(testLibDepends testLibDepends.c)
 target_link_libraries(testLibDepends LINK_PUBLIC testLibRequired)
 add_library(testStaticLibRequiredPrivate testStaticLibRequiredPrivate.c)
 target_link_libraries(testLibDepends PRIVATE testStaticLibRequiredPrivate)
-cmake_policy(POP)
 
 cmake_policy(PUSH)
-cmake_policy(SET CMP0022 NEW)
 cmake_policy(SET CMP0079 NEW)
 add_library(TopDirLib STATIC testTopDirLib.c)
 add_subdirectory(SubDirLinkA)
@@ -387,8 +373,6 @@ install(FILES
     DESTINATION include/testSharedLibRequiredUser
 )
 
-cmake_policy(PUSH)
-cmake_policy(SET CMP0022 NEW)
 add_library(testSharedLibRequiredUser2 SHARED testSharedLibRequiredUser2.cpp)
 generate_export_header(testSharedLibRequiredUser2)
 set_property(TARGET testSharedLibRequiredUser2 APPEND PROPERTY
@@ -401,7 +385,6 @@ install(FILES
   "${CMAKE_CURRENT_BINARY_DIR}/testsharedlibrequireduser2_export.h"
     DESTINATION include/testSharedLibRequiredUser2
 )
-cmake_policy(POP)
 
 cmake_policy(PUSH)
 cmake_policy(SET CMP0041 NEW)
@@ -426,28 +409,17 @@ set_property(TARGET testSharedLibDepends APPEND PROPERTY
 )
 cmake_policy(POP)
 
-# LINK_PRIVATE because the LINK_INTERFACE_LIBRARIES is specified above.
 target_link_libraries(testSharedLibDepends LINK_PRIVATE testSharedLibRequired)
 target_link_libraries(testSharedLibDepends LINK_PUBLIC renamed_on_export)
-target_link_libraries(testSharedLibDepends LINK_INTERFACE_LIBRARIES
+target_link_libraries(testSharedLibDepends INTERFACE
   $<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,EXECUTABLE>:$<TARGET_NAME:testSharedLibRequired>>)
 
-cmake_policy(PUSH)
-cmake_policy(SET CMP0022 OLD)
-add_library(cmp0022OLD SHARED cmp0022_vs6_1.cpp)
-generate_export_header(cmp0022OLD BASE_NAME cmp0022)
-target_include_directories(cmp0022OLD PUBLIC
-  "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}>"
-  "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include/cmp0022>"
-)
-cmake_policy(SET CMP0022 NEW)
 add_library(cmp0022NEW SHARED cmp0022_vs6_1.cpp)
-set_property(TARGET cmp0022NEW PROPERTY DEFINE_SYMBOL cmp0022OLD_EXPORTS)
+generate_export_header(cmp0022NEW BASE_NAME cmp0022)
 target_include_directories(cmp0022NEW PUBLIC
   "$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR};${CMAKE_CURRENT_SOURCE_DIR}>"
   "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include/cmp0022>"
 )
-cmake_policy(POP)
 install(FILES
   "${CMAKE_CURRENT_SOURCE_DIR}/cmp0022.h"
   "${CMAKE_CURRENT_BINARY_DIR}/cmp0022_export.h"
@@ -466,9 +438,6 @@ set_property(TARGET testLib4 PROPERTY
   EXPORT_PROPERTIES EXPORTED_PROPERTY2 EXPORTED_PROPERTY3)
 
 set_property(TARGET cmp0022NEW APPEND PROPERTY INTERFACE_LINK_LIBRARIES testLib2)
-# set_property(TARGET cmp0022NEW APPEND PROPERTY LINK_INTERFACE_LIBRARIES testLibIncludeRequired2) # TODO: Test for error
-set_property(TARGET cmp0022OLD APPEND PROPERTY INTERFACE_LINK_LIBRARIES testLib2)
-set_property(TARGET cmp0022OLD APPEND PROPERTY LINK_INTERFACE_LIBRARIES testLib3)
 
 add_library(noIncludesInterface empty.cpp)
 
@@ -622,7 +591,7 @@ install(
   testSharedLibWithHelper testSharedLibHelperObj
   testExeWithPluginHelper testExePluginHelperObj
   testMod1 testMod2
-  cmp0022NEW cmp0022OLD
+  cmp0022NEW
   TopDirLib SubDirLinkA
   systemlib
   testInterfaceIncludeUser
@@ -684,7 +653,7 @@ export(TARGETS testExe1 testLib1 testLib2 testLib3
   testExe2libImp testLib3Imp testLib3ImpDep subdirlib
   testSharedLibRequired testSharedLibRequiredUser testSharedLibRequiredUser2
   testSharedLibDepends renamed_on_export
-  cmp0022NEW cmp0022OLD
+  cmp0022NEW
   TopDirLib SubDirLinkA
   systemlib noUses
   testInterfaceIncludeUser

Tests/ExportImport/Import/A/CMakeLists.txt

@@ -186,13 +186,9 @@ if(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG AND
   endforeach()
 endif()
 
-add_executable(cmp0022OLD_test cmp0022OLD_test_vs6_1.cpp)
-target_link_libraries(cmp0022OLD_test bld_cmp0022OLD)
 add_executable(cmp0022NEW_test cmp0022NEW_test_vs6_1.cpp)
 target_link_libraries(cmp0022NEW_test bld_cmp0022NEW)
 
-add_executable(cmp0022OLD_exp_test cmp0022OLD_test_vs6_2.cpp)
-target_link_libraries(cmp0022OLD_exp_test exp_cmp0022OLD)
 add_executable(cmp0022NEW_exp_test cmp0022NEW_test_vs6_2.cpp)
 target_link_libraries(cmp0022NEW_exp_test exp_cmp0022NEW)
 
@@ -427,32 +423,16 @@ target_link_libraries(iface_test_bld bld_testSharedLibDepends)
 set_property(TARGET iface_test_bld PROPERTY NO_SYSTEM_FROM_IMPORTED 1)
 
 set_property(TARGET bld_testSharedLibRequired APPEND PROPERTY
-    LINK_INTERFACE_LIBRARIES
+    INTERFACE_LINK_LIBRARIES
         excludedFromAll
 )
-get_target_property(_configs bld_testSharedLibRequired IMPORTED_CONFIGURATIONS)
-foreach(_config ${_configs})
-    set_property(TARGET bld_testSharedLibRequired APPEND PROPERTY
-        IMPORTED_LINK_INTERFACE_LIBRARIES_${_config}
-        excludedFromAll
-    )
-endforeach()
-unset(_configs)
 add_executable(iface_test_exp iface_test.cpp)
 target_link_libraries(iface_test_exp testSharedLibDepends)
 
 set_property(TARGET testSharedLibDepends APPEND PROPERTY
-    LINK_INTERFACE_LIBRARIES
+    INTERFACE_LINK_LIBRARIES
         excludedFromAll
 )
-get_target_property(_configs testSharedLibDepends IMPORTED_CONFIGURATIONS)
-foreach(_config ${_configs})
-    set_property(TARGET testSharedLibDepends APPEND PROPERTY
-        IMPORTED_LINK_INTERFACE_LIBRARIES_${_config}
-        excludedFromAll
-    )
-endforeach()
-unset(_configs)
 
 if (((CMAKE_C_COMPILER_ID STREQUAL GNU AND CMAKE_C_COMPILER_VERSION VERSION_GREATER 4.4)
     OR CMAKE_C_COMPILER_ID MATCHES "LCC"

Tests/ExportImport/Import/A/cmp0022OLD_test.cpp

@@ -1,12 +0,0 @@
-
-#ifdef USING_TESTLIB2
-#  error Unexpected USING_TESTLIB2
-#endif
-#ifndef USING_TESTLIB3
-#  error Expected USING_TESTLIB3
-#endif
-
-int main(void)
-{
-  return 0;
-}

Tests/ExportImport/Import/A/cmp0022OLD_test_vs6_1.cpp

@@ -1 +0,0 @@
-#include "cmp0022OLD_test.cpp"

Tests/ExportImport/Import/A/cmp0022OLD_test_vs6_2.cpp

@@ -1 +0,0 @@
-#include "cmp0022OLD_test.cpp"

Tests/InterfaceLinkLibraries/CMakeLists.txt

@@ -1,7 +1,5 @@
 cmake_minimum_required(VERSION 3.10)
 
-cmake_policy(SET CMP0022 NEW)
-
 project(InterfaceLinkLibraries)
 
 add_library(foo_shared SHARED foo_vs6_1.cpp)

Tests/RunCMake/CMP0022/CMP0022-NOWARN-exe.cmake

@@ -1,7 +0,0 @@
-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")

Tests/RunCMake/CMP0022/CMP0022-NOWARN-static-NEW.cmake

@@ -1,8 +1,6 @@
 
 enable_language(CXX)
 
-cmake_policy(SET CMP0022 NEW)
-
 add_library(foo STATIC empty_vs6_1.cpp)
 add_library(bar STATIC empty_vs6_2.cpp)
 add_library(bat STATIC empty_vs6_3.cpp)

Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old-result.txt

@@ -1 +0,0 @@
-0

Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old-stderr.txt

@@ -1,19 +0,0 @@
-^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.

Tests/RunCMake/CMP0022/CMP0022-WARN-empty-old.cmake

@@ -1,10 +0,0 @@
-
-enable_language(CXX)
-
-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)

Tests/RunCMake/CMP0022/CMP0022-WARN-static-result.txt

@@ -1 +0,0 @@
-0

Tests/RunCMake/CMP0022/CMP0022-WARN-static-stderr.txt

@@ -1,19 +0,0 @@
-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:
-
-    bat
-
-This warning is for project developers.  Use -Wno-dev to suppress it.$

Tests/RunCMake/CMP0022/CMP0022-WARN-static.cmake

@@ -1,11 +0,0 @@
-
-enable_language(CXX)
-
-add_library(foo STATIC empty_vs6_1.cpp)
-add_library(bar STATIC empty_vs6_2.cpp)
-add_library(bat STATIC empty_vs6_3.cpp)
-set_property(TARGET bar PROPERTY INTERFACE_LINK_LIBRARIES foo)
-set_property(TARGET bar PROPERTY LINK_LIBRARIES bat)
-
-add_library(user empty.cpp)
-target_link_libraries(user bar)

Tests/RunCMake/CMP0022/CMP0022-WARN-stderr.txt

@@ -1,17 +0,0 @@
-^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 which differs from
-  its LINK_INTERFACE_LIBRARIES properties.
-
-  INTERFACE_LINK_LIBRARIES:
-
-    foo
-
-  LINK_INTERFACE_LIBRARIES:
-
-    bat
-
-This warning is for project developers.  Use -Wno-dev to suppress it.$

Tests/RunCMake/CMP0022/CMP0022-WARN-tll-result.txt

@@ -1 +0,0 @@
-0

Tests/RunCMake/CMP0022/CMP0022-WARN-tll-stderr.txt

@@ -1,17 +0,0 @@
-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 which differs from
-  its LINK_INTERFACE_LIBRARIES(_DEBUG)? properties.
-
-  INTERFACE_LINK_LIBRARIES:
-
-    foo
-
-  LINK_INTERFACE_LIBRARIES(_DEBUG)?:
-
-    bat
-
-This warning is for project developers.  Use -Wno-dev to suppress it.

Tests/RunCMake/CMP0022/CMP0022-WARN-tll.cmake

@@ -1,13 +0,0 @@
-
-enable_language(CXX)
-
-add_library(foo SHARED empty_vs6_1.cpp)
-add_library(bar SHARED empty_vs6_2.cpp)
-add_library(bat SHARED empty_vs6_3.cpp)
-target_link_libraries(bar LINK_PUBLIC foo)
-# Replace the compatibility values set by target_link_libraries
-set_property(TARGET bar PROPERTY LINK_INTERFACE_LIBRARIES bat)
-set_property(TARGET bar PROPERTY LINK_INTERFACE_LIBRARIES_DEBUG bat)
-
-add_library(user SHARED empty.cpp)
-target_link_libraries(user bar)

Tests/RunCMake/CMP0022/CMP0022-WARN.cmake

@@ -1,18 +0,0 @@
-
-enable_language(CXX)
-
-cmake_policy(SET CMP0042 NEW)
-
-add_library(foo SHARED empty_vs6_1.cpp)
-add_library(bar SHARED empty_vs6_2.cpp)
-add_library(bat SHARED empty_vs6_3.cpp)
-set_property(TARGET bar PROPERTY INTERFACE_LINK_LIBRARIES foo)
-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)

Tests/RunCMake/CMP0022/CMP0022-export-exe.cmake

@@ -1,7 +1,5 @@
 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)

Tests/RunCMake/CMP0022/CMP0022-export.cmake

@@ -1,8 +1,6 @@
 
 enable_language(CXX)
 
-cmake_policy(SET CMP0022 NEW)
-
 add_library(cmp0022NEW SHARED empty_vs6_1.cpp)
 add_library(testLib SHARED empty_vs6_2.cpp)
 

Tests/RunCMake/CMP0022/CMP0022-install-export.cmake

@@ -1,8 +1,6 @@
 
 enable_language(CXX)
 
-cmake_policy(SET CMP0022 NEW)
-
 add_library(cmp0022NEW SHARED empty_vs6_1.cpp)
 add_library(testLib SHARED empty_vs6_2.cpp)
 

Tests/RunCMake/CMP0022/CMakeLists.txt

@@ -1,3 +1,3 @@
-cmake_minimum_required(VERSION 2.8.11)
+cmake_minimum_required(VERSION 3.10)
 project(${RunCMake_TEST} NONE)
 include(${RunCMake_TEST}.cmake)

Tests/RunCMake/CMP0022/RunCMakeTest.cmake

@@ -1,11 +1,5 @@
 include(RunCMake)
-set(RunCMake_IGNORE_POLICY_VERSION_DEPRECATION ON)
 
-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-NEW)

Tests/RunCMake/ObjectLibrary/LinkObjRHSObject.cmake

@@ -1,5 +1,3 @@
-cmake_policy(SET CMP0022 NEW)
-
 enable_language(C)
 
 add_library(AnObjLib OBJECT a.c)

Tests/RunCMake/ObjectLibrary/LinkObjRHSObject2.cmake

@@ -1,5 +1,3 @@
-cmake_policy(SET CMP0022 NEW)
-
 enable_language(C)
 
 add_library(AnObjLib OBJECT a.c)

Tests/RunCMake/include_directories/incomplete-genex.cmake

@@ -1,6 +1,5 @@
 enable_language(CXX)
 
-cmake_policy(SET CMP0022 NEW)
 cmake_policy(SET CMP0023 NEW)
 
 add_library(somelib empty.cpp)