diff --git a/clang/CMakeLists.txt b/clang/CMakeLists.txt
--- a/clang/CMakeLists.txt
+++ b/clang/CMakeLists.txt
@@ -476,9 +476,14 @@
 option(CLANG_BUILD_TOOLS
   "Build the Clang tools. If OFF, just generate build targets." ON)
 
+if(LLVM_ENABLE_PLUGINS OR LLVM_EXPORT_SYMBOLS_FOR_PLUGINS)
+  set(HAVE_CLANG_PLUGIN_SUPPORT ON)
+else()
+  set(HAVE_CLANG_PLUGIN_SUPPORT OFF)
+endif()
 CMAKE_DEPENDENT_OPTION(CLANG_PLUGIN_SUPPORT
   "Build clang with plugin support" ON
-  "LLVM_ENABLE_PLUGINS OR LLVM_EXPORT_SYMBOLS_FOR_PLUGINS" OFF)
+  "HAVE_CLANG_PLUGIN_SUPPORT" OFF)
 
 option(CLANG_ENABLE_ARCMT "Build ARCMT." ON)
 option(CLANG_ENABLE_STATIC_ANALYZER
diff --git a/clang/examples/AnnotateFunctions/CMakeLists.txt b/clang/examples/AnnotateFunctions/CMakeLists.txt
--- a/clang/examples/AnnotateFunctions/CMakeLists.txt
+++ b/clang/examples/AnnotateFunctions/CMakeLists.txt
@@ -1,6 +1,6 @@
 add_llvm_library(AnnotateFunctions MODULE AnnotateFunctions.cpp PLUGIN_TOOL clang)
 
-if(CLANG_PLUGIN_SUPPORT AND (WIN32 OR CYGWIN))
+if(WIN32 OR CYGWIN)
   set(LLVM_LINK_COMPONENTS
     Support
   )
diff --git a/clang/examples/Attribute/CMakeLists.txt b/clang/examples/Attribute/CMakeLists.txt
--- a/clang/examples/Attribute/CMakeLists.txt
+++ b/clang/examples/Attribute/CMakeLists.txt
@@ -1,6 +1,6 @@
 add_llvm_library(Attribute MODULE Attribute.cpp PLUGIN_TOOL clang)
 
-if(CLANG_PLUGIN_SUPPORT AND (WIN32 OR CYGWIN))
+if(WIN32 OR CYGWIN)
   target_link_libraries(Attribute PRIVATE
     clangAST
     clangBasic
diff --git a/clang/examples/CMakeLists.txt b/clang/examples/CMakeLists.txt
--- a/clang/examples/CMakeLists.txt
+++ b/clang/examples/CMakeLists.txt
@@ -3,8 +3,10 @@
   set(EXCLUDE_FROM_ALL ON)
 endif()
 
-add_subdirectory(PrintFunctionNames)
-add_subdirectory(AnnotateFunctions)
-add_subdirectory(Attribute)
-add_subdirectory(CallSuperAttribute)
-add_subdirectory(PluginsOrder)
+if(CLANG_PLUGIN_SUPPORT)
+  add_subdirectory(PrintFunctionNames)
+  add_subdirectory(AnnotateFunctions)
+  add_subdirectory(Attribute)
+  add_subdirectory(CallSuperAttribute)
+  add_subdirectory(PluginsOrder)
+endif()
diff --git a/clang/examples/CallSuperAttribute/CMakeLists.txt b/clang/examples/CallSuperAttribute/CMakeLists.txt
--- a/clang/examples/CallSuperAttribute/CMakeLists.txt
+++ b/clang/examples/CallSuperAttribute/CMakeLists.txt
@@ -1,6 +1,6 @@
 add_llvm_library(CallSuperAttr MODULE CallSuperAttrInfo.cpp PLUGIN_TOOL clang)
 
-if(CLANG_PLUGIN_SUPPORT AND (WIN32 OR CYGWIN))
+if(WIN32 OR CYGWIN)
   set(LLVM_LINK_COMPONENTS
     Support
   )
diff --git a/clang/examples/PluginsOrder/CMakeLists.txt b/clang/examples/PluginsOrder/CMakeLists.txt
--- a/clang/examples/PluginsOrder/CMakeLists.txt
+++ b/clang/examples/PluginsOrder/CMakeLists.txt
@@ -1,6 +1,6 @@
 add_llvm_library(PluginsOrder MODULE PluginsOrder.cpp PLUGIN_TOOL clang)
 
-if(CLANG_PLUGIN_SUPPORT AND (WIN32 OR CYGWIN))
+if(WIN32 OR CYGWIN)
   set(LLVM_LINK_COMPONENTS
     Support
   )
diff --git a/clang/examples/PrintFunctionNames/CMakeLists.txt b/clang/examples/PrintFunctionNames/CMakeLists.txt
--- a/clang/examples/PrintFunctionNames/CMakeLists.txt
+++ b/clang/examples/PrintFunctionNames/CMakeLists.txt
@@ -11,7 +11,7 @@
 
 add_llvm_library(PrintFunctionNames MODULE PrintFunctionNames.cpp PLUGIN_TOOL clang)
 
-if(CLANG_PLUGIN_SUPPORT AND (WIN32 OR CYGWIN))
+if(WIN32 OR CYGWIN)
   set(LLVM_LINK_COMPONENTS
     Support
   )
diff --git a/clang/lib/Analysis/plugins/CMakeLists.txt b/clang/lib/Analysis/plugins/CMakeLists.txt
--- a/clang/lib/Analysis/plugins/CMakeLists.txt
+++ b/clang/lib/Analysis/plugins/CMakeLists.txt
@@ -1,4 +1,7 @@
-if(CLANG_ENABLE_STATIC_ANALYZER AND CLANG_PLUGIN_SUPPORT)
+# Since these do not specify a specific PLUGIN_TOOL (which could be clang or
+# clang-tidy), we cannot compile this unless the platform supports plugins with
+# undefined symbols, and cannot use it unless the user has opted for clang plugins).
+if(CLANG_ENABLE_STATIC_ANALYZER AND CLANG_PLUGIN_SUPPORT AND LLVM_ENABLE_PLUGINS)
   add_subdirectory(SampleAnalyzer)
   add_subdirectory(CheckerDependencyHandling)
   add_subdirectory(CheckerOptionHandling)
diff --git a/clang/test/CMakeLists.txt b/clang/test/CMakeLists.txt
--- a/clang/test/CMakeLists.txt
+++ b/clang/test/CMakeLists.txt
@@ -95,7 +95,7 @@
   )
 endif ()
 
-if (CLANG_BUILD_EXAMPLES)
+if(CLANG_BUILD_EXAMPLES AND CLANG_PLUGIN_SUPPORT)
   list(APPEND CLANG_TEST_DEPS
     Attribute
     AnnotateFunctions
@@ -145,8 +145,8 @@
   endif()
 endif()
 
-if (CLANG_ENABLE_STATIC_ANALYZER)
-  if (CLANG_PLUGIN_SUPPORT)
+if(CLANG_ENABLE_STATIC_ANALYZER)
+  if(CLANG_PLUGIN_SUPPORT AND LLVM_ENABLE_PLUGINS) # Determine if we built them
     list(APPEND CLANG_TEST_DEPS
       SampleAnalyzerPlugin
       CheckerDependencyHandlingAnalyzerPlugin