Xcode: Create Xcode schemes per target

Auxiliary/vim/syntax/cmake.vim

@@ -353,6 +353,7 @@ syn keyword cmakeProperty contained
             \ XCODE_EMIT_EFFECTIVE_PLATFORM_NAME
             \ XCODE_EXPLICIT_FILE_TYPE
             \ XCODE_FILE_ATTRIBUTES
+            \ XCODE_GENERATE_SCHEME
             \ XCODE_LAST_KNOWN_FILE_TYPE
             \ XCODE_PRODUCT_TYPE
             \ XCODE_SCHEME_ADDRESS_SANITIZER

Help/manual/cmake-properties.7.rst

@@ -349,6 +349,7 @@ Properties on Targets
    /prop_tgt/WINDOWS_EXPORT_ALL_SYMBOLS
    /prop_tgt/XCODE_ATTRIBUTE_an-attribute
    /prop_tgt/XCODE_EXPLICIT_FILE_TYPE
+   /prop_tgt/XCODE_GENERATE_SCHEME
    /prop_tgt/XCODE_PRODUCT_TYPE
    /prop_tgt/XCODE_SCHEME_ADDRESS_SANITIZER
    /prop_tgt/XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN

Help/prop_tgt/XCODE_GENERATE_SCHEME.rst

@@ -0,0 +1,39 @@
+XCODE_GENERATE_SCHEME
+---------------------
+
+If enabled, the Xcode generator will generate schema files.  These
+are useful to invoke analyze, archive, build-for-testing and test
+actions from the command line.
+
+This property is initialized by the value of the variable
+:variable:`CMAKE_XCODE_GENERATE_SCHEME` if it is set when a target
+is created.
+
+The following target properties overwrite the default of the
+corresponding settings on the "Diagnostic" tab for each schema file.
+Each of those is initialized by the respective ``CMAKE_`` variable
+at target creation time.
+
+- :prop_tgt:`XCODE_SCHEME_ADDRESS_SANITIZER`
+- :prop_tgt:`XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN`
+- :prop_tgt:`XCODE_SCHEME_DISABLE_MAIN_THREAD_CHECKER`
+- :prop_tgt:`XCODE_SCHEME_DYNAMIC_LIBRARY_LOADS`
+- :prop_tgt:`XCODE_SCHEME_DYNAMIC_LINKER_API_USAGE`
+- :prop_tgt:`XCODE_SCHEME_GUARD_MALLOC`
+- :prop_tgt:`XCODE_SCHEME_MAIN_THREAD_CHECKER_STOP`
+- :prop_tgt:`XCODE_SCHEME_MALLOC_GUARD_EDGES`
+- :prop_tgt:`XCODE_SCHEME_MALLOC_SCRIBBLE`
+- :prop_tgt:`XCODE_SCHEME_MALLOC_STACK`
+- :prop_tgt:`XCODE_SCHEME_THREAD_SANITIZER`
+- :prop_tgt:`XCODE_SCHEME_THREAD_SANITIZER_STOP`
+- :prop_tgt:`XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER`
+- :prop_tgt:`XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER_STOP`
+- :prop_tgt:`XCODE_SCHEME_ZOMBIE_OBJECTS`
+
+The following target properties will be applied on the
+"Info" and "Arguments" tab:
+
+- :prop_tgt:`XCODE_SCHEME_ARGUMENTS`
+- :prop_tgt:`XCODE_SCHEME_DEBUG_AS_ROOT`
+- :prop_tgt:`XCODE_SCHEME_ENVIRONMENT`
+- :prop_tgt:`XCODE_SCHEME_EXECUTABLE`

Help/prop_tgt/XCODE_SCHEME_ADDRESS_SANITIZER.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_ADDRESS_SANITIZER` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN`
 if it is set when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_ARGUMENTS.rst

@@ -6,5 +6,5 @@ section of the generated Xcode scheme.
 
 If set to a list of arguments those will be added to the scheme.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_DEBUG_AS_ROOT.rst

@@ -3,5 +3,5 @@ XCODE_SCHEME_DEBUG_AS_ROOT
 
 Whether to debug the target as 'root'.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_DISABLE_MAIN_THREAD_CHECKER.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_DISABLE_MAIN_THREAD_CHECKER`
 if it is set when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_DYNAMIC_LIBRARY_LOADS.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_DYNAMIC_LIBRARY_LOADS` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_DYNAMIC_LINKER_API_USAGE.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_DYNAMIC_LINKER_API_USAGE` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_ENVIRONMENT.rst

@@ -8,5 +8,5 @@ If set to a list of environment variables and values of the form
 ``MYVAR=value`` those environment variables will be added to the
 scheme.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_EXECUTABLE.rst

@@ -5,5 +5,5 @@ Specify path to executable in the Info section of the generated
 Xcode scheme. If not set the schema generator will select the
 current target if it is actually executable.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_GUARD_MALLOC.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_GUARD_MALLOC` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_MAIN_THREAD_CHECKER_STOP.rst

@@ -9,5 +9,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_MAIN_THREAD_CHECKER_STOP` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_MALLOC_GUARD_EDGES.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_MALLOC_GUARD_EDGES` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_MALLOC_SCRIBBLE.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_MALLOC_SCRIBBLE` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_MALLOC_STACK.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_MALLOC_STACK` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_THREAD_SANITIZER.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_THREAD_SANITIZER` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_THREAD_SANITIZER_STOP.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_THREAD_SANITIZER_STOP` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER`
 if it is set when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER_STOP.rst

@@ -9,5 +9,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER_STOP`
 if it is set when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/prop_tgt/XCODE_SCHEME_ZOMBIE_OBJECTS.rst

@@ -8,5 +8,5 @@ This property is initialized by the value of the variable
 :variable:`CMAKE_XCODE_SCHEME_ZOMBIE_OBJECTS` if it is set
 when a target is created.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/release/dev/xcode-scheme-per-target.rst

@@ -0,0 +1,6 @@
+xcode-scheme-per-target
+-----------------------
+
+* The :generator:`Xcode` generator now supports per-target schemes.
+  See the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable and
+  :prop_tgt:`XCODE_GENERATE_SCHEME` target property.

Help/variable/CMAKE_XCODE_GENERATE_SCHEME.rst

@@ -5,31 +5,6 @@ If enabled, the Xcode generator will generate schema files.  These
 are useful to invoke analyze, archive, build-for-testing and test
 actions from the command line.
 
-The following target properties overwrite the default of the
-corresponding settings on the "Diagnostic" tab for each schema file.
-Each of those is initialized by the respective ``CMAKE_`` variable
-at target creation time.
-
-- :prop_tgt:`XCODE_SCHEME_ADDRESS_SANITIZER`
-- :prop_tgt:`XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN`
-- :prop_tgt:`XCODE_SCHEME_DISABLE_MAIN_THREAD_CHECKER`
-- :prop_tgt:`XCODE_SCHEME_DYNAMIC_LIBRARY_LOADS`
-- :prop_tgt:`XCODE_SCHEME_DYNAMIC_LINKER_API_USAGE`
-- :prop_tgt:`XCODE_SCHEME_GUARD_MALLOC`
-- :prop_tgt:`XCODE_SCHEME_MAIN_THREAD_CHECKER_STOP`
-- :prop_tgt:`XCODE_SCHEME_MALLOC_GUARD_EDGES`
-- :prop_tgt:`XCODE_SCHEME_MALLOC_SCRIBBLE`
-- :prop_tgt:`XCODE_SCHEME_MALLOC_STACK`
-- :prop_tgt:`XCODE_SCHEME_THREAD_SANITIZER`
-- :prop_tgt:`XCODE_SCHEME_THREAD_SANITIZER_STOP`
-- :prop_tgt:`XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER`
-- :prop_tgt:`XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER_STOP`
-- :prop_tgt:`XCODE_SCHEME_ZOMBIE_OBJECTS`
-
-The following target properties will be applied on the
-"Info" and "Arguments" tab:
-
-- :prop_tgt:`XCODE_SCHEME_ARGUMENTS`
-- :prop_tgt:`XCODE_SCHEME_DEBUG_AS_ROOT`
-- :prop_tgt:`XCODE_SCHEME_ENVIRONMENT`
-- :prop_tgt:`XCODE_SCHEME_EXECUTABLE`
+This variable initializes the
+:prop_tgt:`XCODE_GENERATE_SCHEME`
+target property on all targets.

Help/variable/CMAKE_XCODE_SCHEME_ADDRESS_SANITIZER.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_ADDRESS_SANITIZER`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_DISABLE_MAIN_THREAD_CHECKER.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_DISABLE_MAIN_THREAD_CHECKER`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_DYNAMIC_LIBRARY_LOADS.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_DYNAMIC_LIBRARY_LOADS`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_DYNAMIC_LINKER_API_USAGE.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_DYNAMIC_LINKER_API_USAGE`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_GUARD_MALLOC.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_GUARD_MALLOC`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_MAIN_THREAD_CHECKER_STOP.rst

@@ -9,5 +9,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_MAIN_THREAD_CHECKER_STOP`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_MALLOC_GUARD_EDGES.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_MALLOC_GUARD_EDGES`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_MALLOC_SCRIBBLE.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_MALLOC_SCRIBBLE`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_MALLOC_STACK.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_MALLOC_STACK`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_THREAD_SANITIZER.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_THREAD_SANITIZER`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_THREAD_SANITIZER_STOP.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_THREAD_SANITIZER_STOP`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER_STOP.rst

@@ -9,5 +9,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_UNDEFINED_BEHAVIOUR_SANITIZER_STOP`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Help/variable/CMAKE_XCODE_SCHEME_ZOMBIE_OBJECTS.rst

@@ -8,5 +8,5 @@ This variable initializes the
 :prop_tgt:`XCODE_SCHEME_ZOMBIE_OBJECTS`
 property on all targets.
 
-Please refer to the :variable:`CMAKE_XCODE_GENERATE_SCHEME` variable
+Please refer to the :prop_tgt:`XCODE_GENERATE_SCHEME` target property
 documentation to see all Xcode schema related properties.

Source/cmGlobalXCodeGenerator.cxx

@@ -3402,10 +3402,8 @@ void cmGlobalXCodeGenerator::OutputXCodeProject(
   }
   this->WriteXCodePBXProj(fout, root, generators);
 
-  if (this->IsGeneratingScheme(root)) {
-    this->OutputXCodeSharedSchemes(xcodeDir);
-  }
-  this->OutputXCodeWorkspaceSettings(xcodeDir, root);
+  bool hasGeneratedSchemes = this->OutputXCodeSharedSchemes(xcodeDir, root);
+  this->OutputXCodeWorkspaceSettings(xcodeDir, hasGeneratedSchemes);
 
   this->ClearXCodeObjects();
 
@@ -3415,17 +3413,8 @@ void cmGlobalXCodeGenerator::OutputXCodeProject(
     root->GetBinaryDirectory());
 }
 
-bool cmGlobalXCodeGenerator::IsGeneratingScheme(cmLocalGenerator* root) const
-{
-  // Since the lowest available Xcode version for testing was 6.4,
-  // I'm setting this as a limit then
-  return this->XcodeVersion >= 64 &&
-    (root->GetMakefile()->GetCMakeInstance()->GetIsInTryCompile() ||
-     root->GetMakefile()->IsOn("CMAKE_XCODE_GENERATE_SCHEME"));
-}
-
-void cmGlobalXCodeGenerator::OutputXCodeSharedSchemes(
-  const std::string& xcProjDir)
+bool cmGlobalXCodeGenerator::OutputXCodeSharedSchemes(
+  const std::string& xcProjDir, cmLocalGenerator* root)
 {
   // collect all tests for the targets
   std::map<std::string, cmXCodeScheme::TestObjects> testables;
@@ -3449,21 +3438,33 @@ void cmGlobalXCodeGenerator::OutputXCodeSharedSchemes(
   }
 
   // generate scheme
-  for (auto obj : this->XCodeObjects) {
-    if (obj->GetType() == cmXCodeObject::OBJECT &&
-        (obj->GetIsA() == cmXCodeObject::PBXNativeTarget ||
-         obj->GetIsA() == cmXCodeObject::PBXAggregateTarget)) {
-      const std::string& targetName = obj->GetTarget()->GetName();
-      cmXCodeScheme schm(obj, testables[targetName],
-                         this->CurrentConfigurationTypes, this->XcodeVersion);
-      schm.WriteXCodeSharedScheme(xcProjDir,
-                                  this->RelativeToSource(xcProjDir));
+  bool ret = false;
+
+  // Since the lowest available Xcode version for testing was 6.4,
+  // I'm setting this as a limit then
+  if (this->XcodeVersion >= 64) {
+    for (auto obj : this->XCodeObjects) {
+      if (obj->GetType() == cmXCodeObject::OBJECT &&
+          (obj->GetIsA() == cmXCodeObject::PBXNativeTarget ||
+           obj->GetIsA() == cmXCodeObject::PBXAggregateTarget) &&
+          (root->GetMakefile()->GetCMakeInstance()->GetIsInTryCompile() ||
+           obj->GetTarget()->GetPropertyAsBool("XCODE_GENERATE_SCHEME"))) {
+        const std::string& targetName = obj->GetTarget()->GetName();
+        cmXCodeScheme schm(obj, testables[targetName],
+                           this->CurrentConfigurationTypes,
+                           this->XcodeVersion);
+        schm.WriteXCodeSharedScheme(xcProjDir,
+                                    this->RelativeToSource(xcProjDir));
+        ret = true;
+      }
     }
   }
+
+  return ret;
 }
 
 void cmGlobalXCodeGenerator::OutputXCodeWorkspaceSettings(
-  const std::string& xcProjDir, cmLocalGenerator* root)
+  const std::string& xcProjDir, bool hasGeneratedSchemes)
 {
   std::string xcodeSharedDataDir = xcProjDir;
   xcodeSharedDataDir += "/project.xcworkspace/xcshareddata";
@@ -3489,7 +3490,7 @@ void cmGlobalXCodeGenerator::OutputXCodeWorkspaceSettings(
     xout.Element("key", "BuildSystemType");
     xout.Element("string", "Original");
   }
-  if (this->IsGeneratingScheme(root)) {
+  if (hasGeneratedSchemes) {
     xout.Element("key",
                  "IDEWorkspaceSharedSettings_AutocreateContextsIfNeeded");
     xout.Element("false");

Source/cmGlobalXCodeGenerator.h

@@ -186,11 +186,12 @@ private:
                           std::vector<cmLocalGenerator*>& generators);
   void OutputXCodeProject(cmLocalGenerator* root,
                           std::vector<cmLocalGenerator*>& generators);
-  bool IsGeneratingScheme(cmLocalGenerator* root) const;
   // Write shared scheme files for all the native targets
-  void OutputXCodeSharedSchemes(const std::string& xcProjDir);
+  //  return true if any were written
+  bool OutputXCodeSharedSchemes(const std::string& xcProjDir,
+                                cmLocalGenerator* root);
   void OutputXCodeWorkspaceSettings(const std::string& xcProjDir,
-                                    cmLocalGenerator* root);
+                                    bool hasGeneratedSchemes);
   void WriteXCodePBXProj(std::ostream& fout, cmLocalGenerator* root,
                          std::vector<cmLocalGenerator*>& generators);
   cmXCodeObject* CreateXCodeFileReferenceFromPath(const std::string& fullpath,

Source/cmTarget.cxx

@@ -283,6 +283,7 @@ cmTarget::cmTarget(std::string const& name, cmStateEnums::TargetType type,
     this->SetPropertyDefault("FOLDER", nullptr);
 #ifdef __APPLE__
     if (this->GetGlobalGenerator()->IsXcode()) {
+      this->SetPropertyDefault("XCODE_GENERATE_SCHEME", nullptr);
       this->SetPropertyDefault("XCODE_SCHEME_ADDRESS_SANITIZER", nullptr);
       this->SetPropertyDefault(
         "XCODE_SCHEME_ADDRESS_SANITIZER_USE_AFTER_RETURN", nullptr);

Tests/RunCMake/XcodeProject/XcodeSchemaProperty-check.cmake

@@ -7,6 +7,13 @@ function(check_property property matcher)
   endif()
 endfunction()
 
+function(expect_no_schema target)
+  set(schema "${RunCMake_TEST_BINARY_DIR}/XcodeSchemaProperty.xcodeproj/xcshareddata/xcschemes/${target}.xcscheme")
+  if(EXISTS ${schema})
+    message(SEND_ERROR "Found unexpected schema ${schema}")
+  endif()
+endfunction()
+
 check_property("ADDRESS_SANITIZER" "enableAddressSanitizer")
 check_property("ADDRESS_SANITIZER_USE_AFTER_RETURN" "enableASanStackUseAfterReturn")
 check_property("THREAD_SANITIZER" "enableThreadSanitizer")
@@ -31,3 +38,5 @@ check_property("ENVIRONMENT" [=[key="FOO"]=])
 check_property("ENVIRONMENT" [=[value="foo"]=])
 check_property("ENVIRONMENT" [=[key="BAR"]=])
 check_property("ENVIRONMENT" [=[value="bar"]=])
+
+expect_no_schema("NoSchema")

Tests/RunCMake/XcodeProject/XcodeSchemaProperty.cmake

@@ -35,3 +35,6 @@ endfunction()
 create_scheme_for_property(EXECUTABLE myExecutable)
 create_scheme_for_property(ARGUMENTS "--foo;--bar=baz")
 create_scheme_for_property(ENVIRONMENT "FOO=foo;BAR=bar")
+
+add_executable(NoSchema main.cpp)
+set_target_properties(NoSchema PROPERTIES XCODE_GENERATE_SCHEME OFF)