Imported Upstream version 3.16.1upstream/3.16.1

21 files changed, 147 insertions, 22 deletions

diff --git a/CompileFlags.cmake b/CompileFlags.cmake
index 91f2adffe..053259f47 100644
--- a/CompileFlags.cmake
+++ b/CompileFlags.cmake
@@ -54,12 +54,20 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "^parisc")
 endif()
 
 # Workaround for TOC Overflow on ppc64
+set(bigTocFlag "")
 if(CMAKE_SYSTEM_NAME STREQUAL "AIX" AND
    CMAKE_SYSTEM_PROCESSOR MATCHES "powerpc")
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-bbigtoc")
+  set(bigTocFlag "-Wl,-bbigtoc")
 elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
    CMAKE_SYSTEM_PROCESSOR MATCHES "ppc64")
-  set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-multi-toc")
+  set(bigTocFlag "-Wl,--no-multi-toc")
+endif()
+if(bigTocFlag)
+  include(CheckCXXLinkerFlag)
+  check_cxx_linker_flag(${bigTocFlag} BIG_TOC_FLAG_SUPPORTED)
+  if(BIG_TOC_FLAG_SUPPORTED)
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${bigTocFlag}")
+  endif()
 endif()
 
 if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro AND
diff --git a/Modules/Compiler/Clang.cmake b/Modules/Compiler/Clang.cmake
index ea5a3b358..5cc93284b 100644
--- a/Modules/Compiler/Clang.cmake
+++ b/Modules/Compiler/Clang.cmake
@@ -98,7 +98,9 @@ else()
     )
 
     set(CMAKE_PCH_EXTENSION .pch)
-    set(CMAKE_PCH_PROLOGUE "#pragma clang system_header")
+    if (NOT CMAKE_GENERATOR MATCHES "Xcode")
+      set(CMAKE_PCH_PROLOGUE "#pragma clang system_header")
+    endif()
     set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Xclang -include-pch -Xclang <PCH_FILE>)
     set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Xclang -emit-pch -Xclang -include -Xclang <PCH_HEADER>)
   endmacro()
diff --git a/Modules/Compiler/GNU.cmake b/Modules/Compiler/GNU.cmake
index 6960571db..1c050a297 100644
--- a/Modules/Compiler/GNU.cmake
+++ b/Modules/Compiler/GNU.cmake
@@ -111,7 +111,9 @@ macro(__compiler_gnu lang)
   list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-dM" "-E" "-c" "${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp")
 
   set(CMAKE_PCH_EXTENSION .gch)
-  set(CMAKE_PCH_PROLOGUE "#pragma GCC system_header")
+  if (NOT CMAKE_GENERATOR MATCHES "Xcode")
+    set(CMAKE_PCH_PROLOGUE "#pragma GCC system_header")
+  endif()
   set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Winvalid-pch -include <PCH_HEADER>)
   set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Winvalid-pch -x ${__pch_header_${lang}} -include <PCH_HEADER>)
 endmacro()
diff --git a/Modules/FindThreads.cmake b/Modules/FindThreads.cmake
index d39fe33d5..b0c91b2ac 100644
--- a/Modules/FindThreads.cmake
+++ b/Modules/FindThreads.cmake
@@ -77,7 +77,7 @@ macro(_check_threads_lib LIBNAME FUNCNAME VARNAME)
   if(NOT Threads_FOUND)
      CHECK_LIBRARY_EXISTS(${LIBNAME} ${FUNCNAME} "" ${VARNAME})
      if(${VARNAME})
-       set(CMAKE_THREAD_LIBS_INIT "${LIBNAME}")
+       set(CMAKE_THREAD_LIBS_INIT "-l${LIBNAME}")
        set(CMAKE_HAVE_THREADS_LIBRARY 1)
        set(Threads_FOUND TRUE)
      endif()
@@ -88,7 +88,7 @@ endmacro()
 # Do NOT even think about using it outside of this file!
 macro(_check_pthreads_flag)
   if(NOT Threads_FOUND)
-    # If we did not find a thread library look for -pthread compiler option.
+    # If we did not found -lpthread, -lpthread, or -lthread, look for -pthread
     if(NOT DEFINED THREADS_HAVE_PTHREAD_ARG)
       message(STATUS "Check if compiler accepts -pthread")
       if(CMAKE_C_COMPILER_LOADED)
@@ -164,7 +164,7 @@ if(CMAKE_HAVE_PTHREAD_H)
       _check_threads_lib(pthreads pthread_create CMAKE_HAVE_PTHREADS_CREATE)
       _check_threads_lib(pthread  pthread_create CMAKE_HAVE_PTHREAD_CREATE)
       if(CMAKE_SYSTEM_NAME MATCHES "SunOS")
-          # On sun also check for thread library with thr_create
+          # On sun also check for -lthread
           _check_threads_lib(thread thr_create CMAKE_HAVE_THR_CREATE)
       endif()
     endif()
@@ -195,7 +195,7 @@ if(CMAKE_USE_PTHREADS_INIT)
     # are available.
     CHECK_LIBRARY_EXISTS(cma pthread_attr_create "" CMAKE_HAVE_HP_CMA)
     if(CMAKE_HAVE_HP_CMA)
-      set(CMAKE_THREAD_LIBS_INIT "cma")
+      set(CMAKE_THREAD_LIBS_INIT "-lcma")
       set(CMAKE_HP_PTHREADS_INIT 1)
       set(Threads_FOUND TRUE)
     endif()
diff --git a/Modules/FindwxWidgets.cmake b/Modules/FindwxWidgets.cmake
index 4334e2254..93ac51dee 100644
--- a/Modules/FindwxWidgets.cmake
+++ b/Modules/FindwxWidgets.cmake
@@ -852,6 +852,8 @@ else()
         separate_arguments(wxWidgets_LIBRARIES)
         string(REPLACE "-framework;" "-framework "
           wxWidgets_LIBRARIES "${wxWidgets_LIBRARIES}")
+        string(REPLACE "-weak_framework;" "-weak_framework "
+          wxWidgets_LIBRARIES "${wxWidgets_LIBRARIES}")
         string(REPLACE "-arch;" "-arch "
           wxWidgets_LIBRARIES "${wxWidgets_LIBRARIES}")
         string(REPLACE "-isysroot;" "-isysroot "
diff --git a/Source/CMakeVersion.cmake b/Source/CMakeVersion.cmake
index ee9401a7d..7020a5282 100644
--- a/Source/CMakeVersion.cmake
+++ b/Source/CMakeVersion.cmake
@@ -1,7 +1,7 @@
 # CMake version number components.
 set(CMake_VERSION_MAJOR 3)
 set(CMake_VERSION_MINOR 16)
-set(CMake_VERSION_PATCH 0)
+set(CMake_VERSION_PATCH 1)
 #set(CMake_VERSION_RC 0)
 set(CMake_VERSION_IS_DIRTY 0)
 
@@ -21,7 +21,7 @@ endif()
 
 if(NOT CMake_VERSION_NO_GIT)
   # If this source was exported by 'git archive', use its commit info.
-  set(git_info [==[1b4482f65d CMake 3.16.0]==])
+  set(git_info [==[4771c4e447 CMake 3.16.1]==])
 
   # Otherwise, try to identify the current development source version.
   if(NOT git_info MATCHES "^([0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]?[0-9a-f]?)[0-9a-f]* "
diff --git a/Source/Modules/CheckCXXLinkerFlag.cmake b/Source/Modules/CheckCXXLinkerFlag.cmake
new file mode 100644
index 000000000..6cb1ba3ac
--- /dev/null
+++ b/Source/Modules/CheckCXXLinkerFlag.cmake
@@ -0,0 +1,29 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+include_guard(GLOBAL)
+include(CheckCXXSourceCompiles)
+include(CMakeCheckCompilerFlagCommonPatterns)
+
+function(check_cxx_linker_flag _flag _var)
+  if(CMAKE_VERSION VERSION_LESS "3.14")
+    set(CMAKE_REQUIRED_LIBRARIES "${_flag}")
+  else()
+    set(CMAKE_REQUIRED_LINK_OPTIONS "${_flag}")
+  endif()
+
+  # Normalize locale during test compilation.
+  set(_locale_vars LC_ALL LC_MESSAGES LANG)
+  foreach(v IN LISTS _locale_vars)
+    set(_locale_vars_saved_${v} "$ENV{${v}}")
+    set(ENV{${v}} C)
+  endforeach()
+  check_compiler_flag_common_patterns(_common_patterns)
+  check_cxx_source_compiles("int main() { return 0; }" ${_var}
+    ${_common_patterns}
+    )
+  foreach(v IN LISTS _locale_vars)
+    set(ENV{${v}} ${_locale_vars_saved_${v}})
+  endforeach()
+  set(${_var} "${${_var}}" PARENT_SCOPE)
+endfunction()
diff --git a/Source/cmCommands.cxx b/Source/cmCommands.cxx
index ff73b279d..6f19697bc 100644
--- a/Source/cmCommands.cxx
+++ b/Source/cmCommands.cxx
@@ -78,6 +78,7 @@
 #include "cmTargetCompileOptionsCommand.h"
 #include "cmTargetIncludeDirectoriesCommand.h"
 #include "cmTargetLinkLibrariesCommand.h"
+#include "cmTargetLinkOptionsCommand.h"
 #include "cmTargetPrecompileHeadersCommand.h"
 #include "cmTargetSourcesCommand.h"
 #include "cmTryCompileCommand.h"
@@ -107,7 +108,6 @@
 #  include "cmSourceGroupCommand.h"
 #  include "cmSubdirDependsCommand.h"
 #  include "cmTargetLinkDirectoriesCommand.h"
-#  include "cmTargetLinkOptionsCommand.h"
 #  include "cmUseMangledMesaCommand.h"
 #  include "cmUtilitySourceCommand.h"
 #  include "cmVariableRequiresCommand.h"
@@ -256,6 +256,7 @@ void GetProjectCommands(cmState* state)
                            cmTargetIncludeDirectoriesCommand);
   state->AddBuiltinCommand("target_link_libraries",
                            cmTargetLinkLibrariesCommand);
+  state->AddBuiltinCommand("target_link_options", cmTargetLinkOptionsCommand);
   state->AddBuiltinCommand("target_sources", cmTargetSourcesCommand);
   state->AddBuiltinCommand("try_compile",
                            cm::make_unique<cmTryCompileCommand>());
@@ -276,7 +277,6 @@ void GetProjectCommands(cmState* state)
   state->AddBuiltinCommand("install_programs", cmInstallProgramsCommand);
   state->AddBuiltinCommand("add_link_options", cmAddLinkOptionsCommand);
   state->AddBuiltinCommand("link_libraries", cmLinkLibrariesCommand);
-  state->AddBuiltinCommand("target_link_options", cmTargetLinkOptionsCommand);
   state->AddBuiltinCommand("target_link_directories",
                            cmTargetLinkDirectoriesCommand);
   state->AddBuiltinCommand("load_cache", cmLoadCacheCommand);
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 96656a599..09fb87dd7 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -1558,13 +1558,24 @@ bool cmGlobalGenerator::AddAutomaticSources()
   for (cmLocalGenerator* lg : this->LocalGenerators) {
     lg->CreateEvaluationFileOutputs();
     for (cmGeneratorTarget* gt : lg->GetGeneratorTargets()) {
-      if (gt->GetType() == cmStateEnums::INTERFACE_LIBRARY) {
+      if (gt->GetType() == cmStateEnums::INTERFACE_LIBRARY ||
+          gt->GetType() == cmStateEnums::UTILITY ||
+          gt->GetType() == cmStateEnums::GLOBAL_TARGET) {
         continue;
       }
       lg->AddUnityBuild(gt);
       lg->AddPchDependencies(gt);
     }
   }
+  // The above transformations may have changed the classification of sources.
+  // Clear the source list and classification cache (KindedSources) of all
+  // targets so that it will be recomputed correctly by the generators later
+  // now that the above transformations are done for all targets.
+  for (cmLocalGenerator* lg : this->LocalGenerators) {
+    for (cmGeneratorTarget* gt : lg->GetGeneratorTargets()) {
+      gt->ClearSourcesCache();
+    }
+  }
   return true;
 }
 
diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 2e499b348..17544213b 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -2307,6 +2307,7 @@ void cmLocalGenerator::AddPchDependencies(cmGeneratorTarget* target)
   }
   const std::string buildType = cmSystemTools::UpperCase(config);
 
+  // FIXME: Refactor collection of sources to not evaluate object libraries.
   std::vector<cmSourceFile*> sources;
   target->GetSourceFiles(sources, buildType);
 
@@ -2381,9 +2382,25 @@ void cmLocalGenerator::AddPchDependencies(cmGeneratorTarget* target)
                 target->GetLocalGenerator()->GetCurrentBinaryDirectory(), "/",
                 target->GetName(), ".dir/${PDB_PREFIX}");
 
-              file << "if (EXISTS \"" << from_file << "\")\n";
+              const std::string to_file =
+                cmStrCat(to_dir, pchReuseFrom, extension);
+
+              std::string dest_file = to_file;
+
+              const std::string prefix = target->GetSafeProperty("PREFIX");
+              if (!prefix.empty()) {
+                dest_file = cmStrCat(to_dir, prefix, pchReuseFrom, extension);
+              }
+
+              file << "if (EXISTS \"" << from_file << "\" AND \"" << from_file
+                   << "\" IS_NEWER_THAN \"" << dest_file << "\")\n";
               file << "  file(COPY \"" << from_file << "\""
                    << " DESTINATION \"" << to_dir << "\")\n";
+              if (!prefix.empty()) {
+                file << "  file(REMOVE \"" << dest_file << "\")\n";
+                file << "  file(RENAME \"" << to_file << "\" \"" << dest_file
+                     << "\")\n";
+              }
               file << "endif()\n";
             }
 
@@ -2469,6 +2486,7 @@ void cmLocalGenerator::AddUnityBuild(cmGeneratorTarget* target)
     cmStrCat(this->GetCurrentBinaryDirectory(), "/CMakeFiles/",
              target->GetName(), ".dir/Unity/");
 
+  // FIXME: Refactor collection of sources to not evaluate object libraries.
   std::vector<cmSourceFile*> sources;
   target->GetSourceFiles(sources, buildType);
 
@@ -2519,12 +2537,7 @@ void cmLocalGenerator::AddUnityBuild(cmGeneratorTarget* target)
         for (; begin != end; ++begin) {
           cmSourceFile* sf = filtered_sources[begin];
 
-          // Only in Visual Studio generator we keep the source files
-          // for explicit processing.
-          if (!this->GetGlobalGenerator()->IsMultiConfig() ||
-              this->GetGlobalGenerator()->IsXcode()) {
-            target->AddSourceFileToUnityBatch(sf->ResolveFullPath());
-          }
+          target->AddSourceFileToUnityBatch(sf->ResolveFullPath());
           sf->SetProperty("UNITY_SOURCE_FILE", filename.c_str());
 
           if (beforeInclude) {
diff --git a/Source/cmVisualStudio10TargetGenerator.cxx b/Source/cmVisualStudio10TargetGenerator.cxx
index 94b649527..5c0b881f6 100644
--- a/Source/cmVisualStudio10TargetGenerator.cxx
+++ b/Source/cmVisualStudio10TargetGenerator.cxx
@@ -2141,7 +2141,6 @@ void cmVisualStudio10TargetGenerator::WriteAllSources(Elem& e0)
         this->WriteExtraSource(e1, si.Source);
         break;
       case cmGeneratorTarget::SourceKindHeader:
-      case cmGeneratorTarget::SourceKindUnityBatched:
         this->WriteHeaderSource(e1, si.Source);
         break;
       case cmGeneratorTarget::SourceKindIDL:
@@ -2153,6 +2152,7 @@ void cmVisualStudio10TargetGenerator::WriteAllSources(Elem& e0)
       case cmGeneratorTarget::SourceKindModuleDefinition:
         tool = "None";
         break;
+      case cmGeneratorTarget::SourceKindUnityBatched:
       case cmGeneratorTarget::SourceKindObjectSource: {
         const std::string& lang = si.Source->GetLanguage();
         if (lang == "C" || lang == "CXX") {
diff --git a/Templates/TestDriver.cxx.in b/Templates/TestDriver.cxx.in
index ad8bfb0ac..846a8285e 100644
--- a/Templates/TestDriver.cxx.in
+++ b/Templates/TestDriver.cxx.in
@@ -54,7 +54,7 @@ static char* lowercase(const char* string)
   if (new_string == CM_NULL) { /* NOLINT */
     return CM_NULL;            /* NOLINT */
   }
-  strcpy(new_string, string);
+  strcpy(new_string, string);  /* NOLINT */
   for (p = new_string; *p != 0; ++p) {
     *p = CM_CAST(char, tolower(*p));
   }
diff --git a/Tests/CMakeLib/testCTestResourceSpec.cxx b/Tests/CMakeLib/testCTestResourceSpec.cxx
index b98138756..b69003d5a 100644
--- a/Tests/CMakeLib/testCTestResourceSpec.cxx
+++ b/Tests/CMakeLib/testCTestResourceSpec.cxx
@@ -56,6 +56,7 @@ static const std::vector<ExpectedSpec> expectedResourceSpecs = {
   {"spec33.json", false, {{{}}}},
   {"spec34.json", false, {{{}}}},
   {"spec35.json", false, {{{}}}},
+  {"spec36.json", false, {{{}}}},
   {"noexist.json", false, {{{}}}},
   /* clang-format on */
 };
diff --git a/Tests/CMakeLib/testCTestResourceSpec_data/spec36.json b/Tests/CMakeLib/testCTestResourceSpec_data/spec36.json
new file mode 100644
index 000000000..6175b1a99
--- /dev/null
+++ b/Tests/CMakeLib/testCTestResourceSpec_data/spec36.json
@@ -0,0 +1,4 @@
+{
+  "local": [
+  ]
+}
diff --git a/Tests/RunCMake/ObjectLibrary/OwnSources-stderr.txt b/Tests/RunCMake/ObjectLibrary/OwnSources-stderr.txt
index 208f3c9e6..cb1a2e5c8 100644
--- a/Tests/RunCMake/ObjectLibrary/OwnSources-stderr.txt
+++ b/Tests/RunCMake/ObjectLibrary/OwnSources-stderr.txt
@@ -4,4 +4,10 @@
 Call Stack \(most recent call first\):
   CMakeLists.txt:[0-9]+ \(include\)
 +
+CMake Error at OwnSources.cmake:[0-9]+ \(add_library\):
+  The SOURCES of "A" use a generator expression that depends on the SOURCES
+  themselves.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:[0-9]+ \(include\)
++
 CMake Generate step failed\.  Build files cannot be regenerated correctly\.$
diff --git a/Tests/RunCMake/PrecompileHeaders/PchReuseFromPrefixed-build-stderr.txt b/Tests/RunCMake/PrecompileHeaders/PchReuseFromPrefixed-build-stderr.txt
new file mode 100644
index 000000000..8cdcfd941
--- /dev/null
+++ b/Tests/RunCMake/PrecompileHeaders/PchReuseFromPrefixed-build-stderr.txt
@@ -0,0 +1,2 @@
+^(|Warning #670: precompiled header file [^
+]* was not generated in this directory)$
diff --git a/Tests/RunCMake/PrecompileHeaders/PchReuseFromPrefixed.cmake b/Tests/RunCMake/PrecompileHeaders/PchReuseFromPrefixed.cmake
new file mode 100644
index 000000000..e306d8e9c
--- /dev/null
+++ b/Tests/RunCMake/PrecompileHeaders/PchReuseFromPrefixed.cmake
@@ -0,0 +1,29 @@
+cmake_minimum_required(VERSION 3.15)
+project(PchReuseFromPrefixed C)
+
+if(CMAKE_C_COMPILE_OPTIONS_USE_PCH)
+  add_definitions(-DHAVE_PCH_SUPPORT)
+endif()
+
+add_library(empty empty.c)
+target_precompile_headers(empty PRIVATE
+  <stdio.h>
+  <string.h>
+)
+target_include_directories(empty PUBLIC include)
+
+add_library(foo foo.c)
+target_include_directories(foo PUBLIC include)
+target_precompile_headers(foo REUSE_FROM empty)
+
+# Visual Studio 2017 and greater
+if (NOT (CMAKE_C_COMPILER_ID STREQUAL "MSVC" AND CMAKE_C_COMPILER_VERSION VERSION_LESS_EQUAL 19.10))
+  set_target_properties(foo PROPERTIES PREFIX "lib" IMPORT_PREFIX "lib")
+endif()
+
+add_executable(foobar foobar.c)
+target_link_libraries(foobar foo )
+set_target_properties(foobar PROPERTIES PRECOMPILE_HEADERS_REUSE_FROM empty)
+
+enable_testing()
+add_test(NAME foobar COMMAND foobar)
diff --git a/Tests/RunCMake/PrecompileHeaders/RunCMakeTest.cmake b/Tests/RunCMake/PrecompileHeaders/RunCMakeTest.cmake
index ec13663d5..8d2f4f964 100644
--- a/Tests/RunCMake/PrecompileHeaders/RunCMakeTest.cmake
+++ b/Tests/RunCMake/PrecompileHeaders/RunCMakeTest.cmake
@@ -17,5 +17,6 @@ run_test(PchInterface)
 run_cmake(PchPrologueEpilogue)
 run_test(SkipPrecompileHeaders)
 run_test(PchReuseFrom)
+run_test(PchReuseFromPrefixed)
 run_test(PchReuseFromSubdir)
 run_cmake(PchMultilanguage)
diff --git a/Tests/RunCMake/UnityBuild/RunCMakeTest.cmake b/Tests/RunCMake/UnityBuild/RunCMakeTest.cmake
index 8e484d0be..24daa64ff 100644
--- a/Tests/RunCMake/UnityBuild/RunCMakeTest.cmake
+++ b/Tests/RunCMake/UnityBuild/RunCMakeTest.cmake
@@ -21,3 +21,4 @@ function(run_test name)
 endfunction()
 
 run_test(unitybuild_runtest)
+run_test(unitybuild_object_library)
diff --git a/Tests/RunCMake/UnityBuild/unitybuild_object_library.cmake b/Tests/RunCMake/UnityBuild/unitybuild_object_library.cmake
new file mode 100644
index 000000000..b4005172d
--- /dev/null
+++ b/Tests/RunCMake/UnityBuild/unitybuild_object_library.cmake
@@ -0,0 +1,13 @@
+project(unitybuild_object_library C)
+
+set(CMAKE_UNITY_BUILD ON) # This tests that the variable works in addition to the property
+
+add_library(lib OBJECT func.c)
+
+add_library(other-lib STATIC func.c)
+
+add_executable(main main.c)
+target_link_libraries(main PRIVATE lib)
+
+enable_testing()
+add_test(NAME main COMMAND main)
diff --git a/bootstrap b/bootstrap
index 883b16551..1f8eaa503 100755
--- a/bootstrap
+++ b/bootstrap
@@ -435,6 +435,7 @@ CMAKE_CXX_SOURCES="\
   cmTargetCompileOptionsCommand \
   cmTargetIncludeDirectoriesCommand \
   cmTargetLinkLibrariesCommand \
+  cmTargetLinkOptionsCommand \
   cmTargetPrecompileHeadersCommand \
   cmTargetPropCommandBase \
   cmTargetPropertyComputer \