cmTarget: Move link interface libraries struct out.

Source/cmComputeLinkDepends.cxx

@@ -361,7 +361,7 @@ void cmComputeLinkDepends::FollowLinkEntry(BFSEntry const& qe)
   if(entry.Target)
     {
     // Follow the target dependencies.
-    if(cmTarget::LinkInterface const* iface =
+    if(cmLinkInterface const* iface =
        entry.Target->GetLinkInterface(this->Config, this->Target->Target))
       {
       const bool isIface =
@@ -396,7 +396,7 @@ void cmComputeLinkDepends::FollowLinkEntry(BFSEntry const& qe)
 //----------------------------------------------------------------------------
 void
 cmComputeLinkDepends
-::FollowSharedDeps(int depender_index, cmTarget::LinkInterface const* iface,
+::FollowSharedDeps(int depender_index, cmLinkInterface const* iface,
                    bool follow_interface)
 {
   // Follow dependencies if we have not followed them already.
@@ -459,7 +459,7 @@ void cmComputeLinkDepends::HandleSharedDependency(SharedDepEntry const& dep)
   // Target items may have their own dependencies.
   if(entry.Target)
     {
-    if(cmTarget::LinkInterface const* iface =
+    if(cmLinkInterface const* iface =
        entry.Target->GetLinkInterface(this->Config, this->Target->Target))
       {
       // Follow public and private dependencies transitively.
@@ -930,7 +930,7 @@ int cmComputeLinkDepends::ComputeComponentCount(NodeList const& nl)
     {
     if(cmTarget const* target = this->EntryList[*ni].Target)
       {
-      if(cmTarget::LinkInterface const* iface =
+      if(cmLinkInterface const* iface =
          target->GetLinkInterface(this->Config, this->Target->Target))
         {
         if(iface->Multiplicity > count)

Source/cmComputeLinkDepends.h

@@ -102,7 +102,7 @@ private:
   std::queue<SharedDepEntry> SharedDepQueue;
   std::set<int> SharedDepFollowed;
   void FollowSharedDeps(int depender_index,
-                        cmTarget::LinkInterface const* iface,
+                        cmLinkInterface const* iface,
                         bool follow_interface = false);
   void QueueSharedDependencies(int depender_index,
                                std::vector<cmLinkItem> const& deps);

Source/cmComputeTargetDepends.cxx

@@ -296,7 +296,7 @@ void cmComputeTargetDepends::AddInterfaceDepends(int depender_index,
                                              std::set<std::string> &emitted)
 {
   cmGeneratorTarget const* depender = this->Targets[depender_index];
-  if(cmTarget::LinkInterface const* iface =
+  if(cmLinkInterface const* iface =
                                 dependee->Target->GetLinkInterface(config,
                                                            depender->Target))
     {

Source/cmExportFileGenerator.cxx

@@ -796,7 +796,7 @@ cmExportFileGenerator
                     std::vector<std::string>& missingTargets)
 {
   // Add the transitive link dependencies for this configuration.
-  cmTarget::LinkInterface const* iface = target->Target->GetLinkInterface(
+  cmLinkInterface const* iface = target->Target->GetLinkInterface(
                                                               config,
                                                               target->Target);
   if (!iface)
@@ -909,7 +909,7 @@ cmExportFileGenerator
     }
 
   // Add the transitive link dependencies for this configuration.
-  if(cmTarget::LinkInterface const* iface =
+  if(cmLinkInterface const* iface =
                             target->Target
                                   ->GetLinkInterface(config, target->Target))
     {

Source/cmGeneratorExpressionNode.cxx

@@ -1108,7 +1108,7 @@ static const struct TargetPropertyNode : public cmGeneratorExpressionNode
 
     if(isInterfaceProperty)
       {
-      if(cmTarget::LinkInterfaceLibraries const* iface =
+      if(cmLinkInterfaceLibraries const* iface =
          target->GetLinkInterfaceLibraries(context->Config, headTarget, true))
         {
         linkedTargetsContent =

Source/cmGeneratorTarget.cxx

@@ -1173,7 +1173,7 @@ public:
       return;
       }
 
-    cmTarget::LinkInterface const* iface =
+    cmLinkInterface const* iface =
       item.Target->GetLinkInterface(this->Config, this->HeadTarget);
     if(!iface) { return; }
 
@@ -1511,7 +1511,7 @@ void processILibs(const std::string& config,
   if (item.Target && emitted.insert(item.Target).second)
     {
     tgts.push_back(item.Target);
-    if(cmTarget::LinkInterfaceLibraries const* iface =
+    if(cmLinkInterfaceLibraries const* iface =
        item.Target->GetLinkInterfaceLibraries(config, headTarget, true))
       {
       for(std::vector<cmLinkItem>::const_iterator

Source/cmLinkItem.h

@@ -56,4 +56,44 @@ struct cmLinkImplementationLibraries
   std::vector<cmLinkItem> WrongConfigLibraries;
 };
 
+struct cmLinkInterfaceLibraries
+{
+  // Libraries listed in the interface.
+  std::vector<cmLinkItem> Libraries;
+};
+
+struct cmLinkInterface: public cmLinkInterfaceLibraries
+{
+  // Languages whose runtime libraries must be linked.
+  std::vector<std::string> Languages;
+
+  // Shared library dependencies needed for linking on some platforms.
+  std::vector<cmLinkItem> SharedDeps;
+
+  // Number of repetitions of a strongly connected component of two
+  // or more static libraries.
+  int Multiplicity;
+
+  // Libraries listed for other configurations.
+  // Needed only for OLD behavior of CMP0003.
+  std::vector<cmLinkItem> WrongConfigLibraries;
+
+  bool ImplementationIsInterface;
+
+  cmLinkInterface(): Multiplicity(0), ImplementationIsInterface(false) {}
+};
+
+struct cmOptionalLinkInterface: public cmLinkInterface
+{
+  cmOptionalLinkInterface():
+    LibrariesDone(false), AllDone(false),
+    Exists(false), HadHeadSensitiveCondition(false),
+    ExplicitLibraries(0) {}
+  bool LibrariesDone;
+  bool AllDone;
+  bool Exists;
+  bool HadHeadSensitiveCondition;
+  const char* ExplicitLibraries;
+};
+
 #endif

Source/cmTarget.cxx

@@ -91,31 +91,18 @@ public:
   // The backtrace when the target was created.
   cmListFileBacktrace Backtrace;
 
-  // Cache link interface computation from each configuration.
-  struct OptionalLinkInterface: public cmTarget::LinkInterface
-  {
-    OptionalLinkInterface():
-      LibrariesDone(false), AllDone(false),
-      Exists(false), HadHeadSensitiveCondition(false),
-      ExplicitLibraries(0) {}
-    bool LibrariesDone;
-    bool AllDone;
-    bool Exists;
-    bool HadHeadSensitiveCondition;
-    const char* ExplicitLibraries;
-  };
   void ComputeLinkInterface(cmTarget const* thisTarget,
                             const std::string& config,
-                            OptionalLinkInterface& iface,
+                            cmOptionalLinkInterface& iface,
                             cmTarget const* head) const;
   void ComputeLinkInterfaceLibraries(cmTarget const* thisTarget,
                                      const std::string& config,
-                                     OptionalLinkInterface& iface,
+                                     cmOptionalLinkInterface &iface,
                                      cmTarget const* head,
                                      bool usage_requirements_only);
 
   struct HeadToLinkInterfaceMap:
-    public std::map<cmTarget const*, OptionalLinkInterface> {};
+    public std::map<cmTarget const*, cmOptionalLinkInterface> {};
   typedef std::map<std::string, HeadToLinkInterfaceMap>
                                                           LinkInterfaceMapType;
   LinkInterfaceMapType LinkInterfaceMap;
@@ -4133,8 +4120,7 @@ void cmTarget::ComputeImportInfo(std::string const& desired_config,
 }
 
 //----------------------------------------------------------------------------
-cmTarget::LinkInterface const* cmTarget::GetLinkInterface(
-                                                  const std::string& config,
+cmLinkInterface const* cmTarget::GetLinkInterface(const std::string& config,
                                                   cmTarget const* head) const
 {
   // Imported targets have their own link interface.
@@ -4163,7 +4149,7 @@ cmTarget::LinkInterface const* cmTarget::GetLinkInterface(
     return &hm.begin()->second;
     }
 
-  cmTargetInternals::OptionalLinkInterface& iface = hm[head];
+  cmOptionalLinkInterface& iface = hm[head];
   if(!iface.LibrariesDone)
     {
     iface.LibrariesDone = true;
@@ -4183,7 +4169,7 @@ cmTarget::LinkInterface const* cmTarget::GetLinkInterface(
 }
 
 //----------------------------------------------------------------------------
-cmTarget::LinkInterfaceLibraries const*
+const cmLinkInterfaceLibraries *
 cmTarget::GetLinkInterfaceLibraries(const std::string& config,
                                     cmTarget const* head,
                                     bool usage_requirements_only) const
@@ -4216,7 +4202,7 @@ cmTarget::GetLinkInterfaceLibraries(const std::string& config,
     return &hm.begin()->second;
     }
 
-  cmTargetInternals::OptionalLinkInterface& iface = hm[head];
+  cmOptionalLinkInterface& iface = hm[head];
   if(!iface.LibrariesDone)
     {
     iface.LibrariesDone = true;
@@ -4228,7 +4214,7 @@ cmTarget::GetLinkInterfaceLibraries(const std::string& config,
 }
 
 //----------------------------------------------------------------------------
-cmTarget::LinkInterface const*
+const cmLinkInterface *
 cmTarget::GetImportLinkInterface(const std::string& config,
                                  cmTarget const* headTarget,
                                  bool usage_requirements_only) const
@@ -4252,7 +4238,7 @@ cmTarget::GetImportLinkInterface(const std::string& config,
     return &hm.begin()->second;
     }
 
-  cmTargetInternals::OptionalLinkInterface& iface = hm[headTarget];
+  cmOptionalLinkInterface& iface = hm[headTarget];
   if(!iface.AllDone)
     {
     iface.AllDone = true;
@@ -4275,7 +4261,7 @@ void
 cmTargetInternals::ComputeLinkInterfaceLibraries(
   cmTarget const* thisTarget,
   const std::string& config,
-  OptionalLinkInterface& iface,
+  cmOptionalLinkInterface& iface,
   cmTarget const* headTarget,
   bool usage_requirements_only)
 {
@@ -4423,7 +4409,7 @@ cmTargetInternals::ComputeLinkInterfaceLibraries(
 //----------------------------------------------------------------------------
 void cmTargetInternals::ComputeLinkInterface(cmTarget const* thisTarget,
                                              const std::string& config,
-                                             OptionalLinkInterface& iface,
+                                             cmOptionalLinkInterface &iface,
                                              cmTarget const* headTarget) const
 {
   if(iface.ExplicitLibraries)

Source/cmTarget.h

@@ -233,39 +233,11 @@ public:
 
   void GetObjectLibrariesCMP0026(std::vector<cmTarget*>& objlibs) const;
 
-  /** The link interface specifies transitive library dependencies and
-      other information needed by targets that link to this target.  */
-  struct LinkInterfaceLibraries
-  {
-    // Libraries listed in the interface.
-    std::vector<cmLinkItem> Libraries;
-  };
-  struct LinkInterface: public LinkInterfaceLibraries
-  {
-    // Languages whose runtime libraries must be linked.
-    std::vector<std::string> Languages;
-
-    // Shared library dependencies needed for linking on some platforms.
-    std::vector<cmLinkItem> SharedDeps;
-
-    // Number of repetitions of a strongly connected component of two
-    // or more static libraries.
-    int Multiplicity;
-
-    // Libraries listed for other configurations.
-    // Needed only for OLD behavior of CMP0003.
-    std::vector<cmLinkItem> WrongConfigLibraries;
-
-    bool ImplementationIsInterface;
-
-    LinkInterface(): Multiplicity(0), ImplementationIsInterface(false) {}
-  };
-
   /** Get the link interface for the given configuration.  Returns 0
       if the target cannot be linked.  */
-  LinkInterface const* GetLinkInterface(const std::string& config,
+  cmLinkInterface const* GetLinkInterface(const std::string& config,
                                         cmTarget const* headTarget) const;
-  LinkInterfaceLibraries const*
+  cmLinkInterfaceLibraries const*
     GetLinkInterfaceLibraries(const std::string& config,
                               cmTarget const* headTarget,
                               bool usage_requirements_only) const;
@@ -592,7 +564,7 @@ private:
                          ImportInfo& info) const;
 
 
-  LinkInterface const*
+  cmLinkInterface const*
     GetImportLinkInterface(const std::string& config, cmTarget const* head,
                            bool usage_requirements_only) const;