Merge topic 'xcode-framework-path'

5389bb4274 Xcode: Don't hard-code SDK-provided implicit framework search paths
df08f8df30 cmComputeLinkInformation: Fix misspelt private variable name
375b307bae Apple: Fix linking to frameworks that do not exist until build time

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5760

Source/cmComputeLinkInformation.cxx

@@ -474,6 +474,12 @@ std::vector<std::string> const& cmComputeLinkInformation::GetFrameworkPaths()
   return this->FrameworkPaths;
 }
 
+std::set<std::string> const&
+cmComputeLinkInformation::GetFrameworkPathsEmitted() const
+{
+  return this->FrameworkPathsEmitted;
+}
+
 const std::set<const cmGeneratorTarget*>&
 cmComputeLinkInformation::GetSharedLibrariesLinked() const
 {
@@ -1339,8 +1345,8 @@ void cmComputeLinkInformation::ComputeFrameworkInfo()
     "CMAKE_", this->LinkLanguage, "_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES");
   this->Makefile->GetDefExpandList(implicitDirVar, implicitDirVec);
 
-  this->FrameworkPathsEmmitted.insert(implicitDirVec.begin(),
-                                      implicitDirVec.end());
+  this->FrameworkPathsEmitted.insert(implicitDirVec.begin(),
+                                     implicitDirVec.end());
 
   // Regular expression to extract a framework path and name.
   this->SplitFramework.compile("(.*)/(.*)\\.framework$");
@@ -1348,7 +1354,7 @@ void cmComputeLinkInformation::ComputeFrameworkInfo()
 
 void cmComputeLinkInformation::AddFrameworkPath(std::string const& p)
 {
-  if (this->FrameworkPathsEmmitted.insert(p).second) {
+  if (this->FrameworkPathsEmitted.insert(p).second) {
     this->FrameworkPaths.push_back(p);
   }
 }

Source/cmComputeLinkInformation.h

@@ -55,6 +55,7 @@ public:
   std::vector<BT<std::string>> GetDirectoriesWithBacktraces();
   std::vector<std::string> const& GetDepends() const;
   std::vector<std::string> const& GetFrameworkPaths() const;
+  std::set<std::string> const& GetFrameworkPathsEmitted() const;
   std::string GetLinkLanguage() const { return this->LinkLanguage; }
   std::vector<std::string> const& GetRuntimeSearchPath() const;
   std::string const& GetRuntimeFlag() const { return this->RuntimeFlag; }
@@ -164,7 +165,7 @@ private:
   // Framework info.
   void ComputeFrameworkInfo();
   void AddFrameworkPath(std::string const& p);
-  std::set<std::string> FrameworkPathsEmmitted;
+  std::set<std::string> FrameworkPathsEmitted;
   cmsys::RegularExpression SplitFramework;
 
   // Linker search path computation.

Source/cmGlobalXCodeGenerator.cxx

@@ -3666,6 +3666,15 @@ void cmGlobalXCodeGenerator::AddDependAndLinkInformation(cmXCodeObject* target)
 
     // now add the left-over link libraries
     {
+      // Keep track of framework search paths we've already added or that are
+      // part of the set of implicit search paths. We don't want to repeat
+      // them and we also need to avoid hard-coding any SDK-specific paths.
+      // This is essential for getting device-and-simulator builds to work,
+      // otherwise we end up hard-coding a path to the wrong SDK for
+      // SDK-provided frameworks that are added by their full path.
+      std::set<std::string> emitted(cli->GetFrameworkPathsEmitted());
+      const auto& fwPaths = cli->GetFrameworkPaths();
+      emitted.insert(fwPaths.begin(), fwPaths.end());
       BuildObjectListOrString libPaths(this, true);
       for (auto const& libItem : configItemMap[configName]) {
         auto const& libName = *libItem;
@@ -3679,7 +3688,11 @@ void cmGlobalXCodeGenerator::AddDependAndLinkInformation(cmXCodeObject* target)
             const auto fwName =
               cmSystemTools::GetFilenameWithoutExtension(libPath);
             const auto fwDir = cmSystemTools::GetParentDirectory(libPath);
-            libPaths.Add("-F " + this->XCodeEscapePath(fwDir));
+            if (emitted.insert(fwDir).second) {
+              // This is a search path we had not added before and it isn't an
+              // implicit search path, so we need it
+              libPaths.Add("-F " + this->XCodeEscapePath(fwDir));
+            }
             libPaths.Add("-framework " + fwName);
           } else {
             libPaths.Add(this->XCodeEscapePath(cleanPath));