Separate compilation for commands included in cmCommands

62 files changed, 449 insertions, 32 deletions

diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 2b8c17c..9f8a3e2 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -401,9 +401,8 @@ set(SRCS
   cm_codecvt.cxx
   )
 
-set(COMMAND_INCLUDES "#include \"cmTargetPropCommandBase.cxx\"\n")
-list(APPEND SRCS cmTargetPropCommandBase.cxx)
-set_property(SOURCE cmTargetPropCommandBase.cxx PROPERTY HEADER_FILE_ONLY ON)
+set(COMMAND_INCLUDES "#include \"cmTargetPropCommandBase.h\"\n")
+list(APPEND SRCS cmTargetPropCommandBase.cxx cmTargetPropCommandBase.h)
 set(NEW_COMMANDS "")
 foreach(command_file
     cmAddCompileOptionsCommand
@@ -418,6 +417,7 @@ foreach(command_file
     cmInstallProgramsCommand
     cmLinkLibrariesCommand
     cmLoadCacheCommand
+    cmLoadCommandCommand
     cmOutputRequiredFilesCommand
     cmQTWrapCPPCommand
     cmQTWrapUICommand
@@ -435,15 +435,10 @@ foreach(command_file
     cmVariableRequiresCommand
     cmVariableWatchCommand
     cmWriteFileCommand
-    # This one must be last because it includes windows.h and
-    # windows.h #defines GetCurrentDirectory which is a member
-    # of cmMakefile
-    cmLoadCommandCommand
     )
-  set(COMMAND_INCLUDES "${COMMAND_INCLUDES}#include \"${command_file}.cxx\"\n")
+  set(COMMAND_INCLUDES "${COMMAND_INCLUDES}#include \"${command_file}.h\"\n")
   set(NEW_COMMANDS "${NEW_COMMANDS}commands.push_back(new ${command_file});\n")
-  list(APPEND SRCS ${command_file}.cxx)
-  set_property(SOURCE ${command_file}.cxx PROPERTY HEADER_FILE_ONLY ON)
+  list(APPEND SRCS ${command_file}.cxx ${command_file}.h)
 endforeach()
 configure_file(cmCommands.cxx.in ${CMAKE_CURRENT_BINARY_DIR}/cmCommands.cxx @ONLY)
 
diff --git a/Source/cmAddCompileOptionsCommand.cxx b/Source/cmAddCompileOptionsCommand.cxx
index 9265cba..21a8012 100644
--- a/Source/cmAddCompileOptionsCommand.cxx
+++ b/Source/cmAddCompileOptionsCommand.cxx
@@ -2,6 +2,10 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmAddCompileOptionsCommand.h"
 
+#include "cmMakefile.h"
+
+class cmExecutionStatus;
+
 bool cmAddCompileOptionsCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
 {
diff --git a/Source/cmAddCompileOptionsCommand.h b/Source/cmAddCompileOptionsCommand.h
index 52c4b51..4c715e7 100644
--- a/Source/cmAddCompileOptionsCommand.h
+++ b/Source/cmAddCompileOptionsCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmAddCompileOptionsCommand_h
 #define cmAddCompileOptionsCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 class cmAddCompileOptionsCommand : public cmCommand
 {
diff --git a/Source/cmAuxSourceDirectoryCommand.cxx b/Source/cmAuxSourceDirectoryCommand.cxx
index 6655911..04e1a0b 100644
--- a/Source/cmAuxSourceDirectoryCommand.cxx
+++ b/Source/cmAuxSourceDirectoryCommand.cxx
@@ -2,9 +2,17 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmAuxSourceDirectoryCommand.h"
 
+#include <algorithm>
+#include <cmsys/Directory.hxx>
+#include <stddef.h>
+
+#include "cmAlgorithms.h"
+#include "cmMakefile.h"
 #include "cmSourceFile.h"
+#include "cmSystemTools.h"
+#include "cmake.h"
 
-#include <cmsys/Directory.hxx>
+class cmExecutionStatus;
 
 // cmAuxSourceDirectoryCommand
 bool cmAuxSourceDirectoryCommand::InitialPass(
diff --git a/Source/cmAuxSourceDirectoryCommand.h b/Source/cmAuxSourceDirectoryCommand.h
index cca70dc..6c15319 100644
--- a/Source/cmAuxSourceDirectoryCommand.h
+++ b/Source/cmAuxSourceDirectoryCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmAuxSourceDirectoryCommand_h
 #define cmAuxSourceDirectoryCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmAuxSourceDirectoryCommand
  * \brief Specify auxiliary source code directories.
diff --git a/Source/cmBuildNameCommand.cxx b/Source/cmBuildNameCommand.cxx
index 816147b..3257c93 100644
--- a/Source/cmBuildNameCommand.cxx
+++ b/Source/cmBuildNameCommand.cxx
@@ -2,8 +2,16 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmBuildNameCommand.h"
 
+#include <algorithm>
 #include <cmsys/RegularExpression.hxx>
 
+#include "cmMakefile.h"
+#include "cmPolicies.h"
+#include "cmState.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
 // cmBuildNameCommand
 bool cmBuildNameCommand::InitialPass(std::vector<std::string> const& args,
                                      cmExecutionStatus&)
diff --git a/Source/cmBuildNameCommand.h b/Source/cmBuildNameCommand.h
index 7c09d73..cefa379 100644
--- a/Source/cmBuildNameCommand.h
+++ b/Source/cmBuildNameCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmBuildNameCommand_h
 #define cmBuildNameCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 class cmBuildNameCommand : public cmCommand
 {
diff --git a/Source/cmCMakeHostSystemInformationCommand.cxx b/Source/cmCMakeHostSystemInformationCommand.cxx
index 018010e..7da93ac 100644
--- a/Source/cmCMakeHostSystemInformationCommand.cxx
+++ b/Source/cmCMakeHostSystemInformationCommand.cxx
@@ -2,6 +2,13 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmCMakeHostSystemInformationCommand.h"
 
+#include <sstream>
+
+#include "cmMakefile.h"
+#include "cmsys/SystemInformation.hxx"
+
+class cmExecutionStatus;
+
 // cmCMakeHostSystemInformation
 bool cmCMakeHostSystemInformationCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmCMakeHostSystemInformationCommand.h b/Source/cmCMakeHostSystemInformationCommand.h
index 4ab6aa1..585d7fa 100644
--- a/Source/cmCMakeHostSystemInformationCommand.h
+++ b/Source/cmCMakeHostSystemInformationCommand.h
@@ -3,9 +3,18 @@
 #ifndef cmCMakeHostSystemInformationCommand_h
 #define cmCMakeHostSystemInformationCommand_h
 
+#include <cmConfigure.h>
+#include <stddef.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
 
-#include <cmsys/SystemInformation.hxx>
+class cmExecutionStatus;
+namespace cmsys {
+class SystemInformation;
+} // namespace cmsys
 
 /** \class cmCMakeHostSystemInformationCommand
  * \brief Query host system specific information
diff --git a/Source/cmCPluginAPI.cxx b/Source/cmCPluginAPI.cxx
index 155456a..b70074e 100644
--- a/Source/cmCPluginAPI.cxx
+++ b/Source/cmCPluginAPI.cxx
@@ -7,10 +7,12 @@
 
 #include "cmCPluginAPI.h"
 
+#include "cmExecutionStatus.h"
+#include "cmGlobalGenerator.h"
 #include "cmMakefile.h"
-#include "cmVersion.h"
-
 #include "cmSourceFile.h"
+#include "cmState.h"
+#include "cmVersion.h"
 
 #include <stdlib.h>
 
diff --git a/Source/cmElseIfCommand.cxx b/Source/cmElseIfCommand.cxx
index cc3624b..1c32248 100644
--- a/Source/cmElseIfCommand.cxx
+++ b/Source/cmElseIfCommand.cxx
@@ -2,6 +2,8 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmElseIfCommand.h"
 
+class cmExecutionStatus;
+
 bool cmElseIfCommand::InitialPass(std::vector<std::string> const&,
                                   cmExecutionStatus&)
 {
diff --git a/Source/cmElseIfCommand.h b/Source/cmElseIfCommand.h
index a489e30..6675b16 100644
--- a/Source/cmElseIfCommand.h
+++ b/Source/cmElseIfCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmElseIfCommand_h
 #define cmElseIfCommand_h
 
-#include "cmIfCommand.h"
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
+#include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmElseIfCommand
  * \brief ends an if block
diff --git a/Source/cmExportCommand.cxx b/Source/cmExportCommand.cxx
index 4fb5998..c9dac35 100644
--- a/Source/cmExportCommand.cxx
+++ b/Source/cmExportCommand.cxx
@@ -2,15 +2,22 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmExportCommand.h"
 
-#include "cmGeneratedFileStream.h"
-#include "cmGlobalGenerator.h"
-#include "cmake.h"
-
-#include <cmsys/Encoding.hxx>
 #include <cmsys/RegularExpression.hxx>
+#include <map>
+#include <sstream>
 
 #include "cmExportBuildAndroidMKGenerator.h"
 #include "cmExportBuildFileGenerator.h"
+#include "cmExportSetMap.h"
+#include "cmGeneratedFileStream.h"
+#include "cmGlobalGenerator.h"
+#include "cmMakefile.h"
+#include "cmState.h"
+#include "cmSystemTools.h"
+#include "cmTarget.h"
+#include "cmake.h"
+
+class cmExecutionStatus;
 
 #if defined(__HAIKU__)
 #include <FindDirectory.h>
@@ -271,6 +278,7 @@ bool cmExportCommand::HandlePackage(std::vector<std::string> const& args)
 
 #if defined(_WIN32) && !defined(__CYGWIN__)
 #include <windows.h>
+
 #undef GetCurrentDirectory
 void cmExportCommand::ReportRegistryError(std::string const& msg,
                                           std::string const& key, long err)
diff --git a/Source/cmExportCommand.h b/Source/cmExportCommand.h
index ebde71c..8893000 100644
--- a/Source/cmExportCommand.h
+++ b/Source/cmExportCommand.h
@@ -3,9 +3,15 @@
 #ifndef cmExportCommand_h
 #define cmExportCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmCommandArgumentsHelper.h"
+#include "cmTypeMacro.h"
 
-class cmExportBuildFileGenerator;
+class cmExecutionStatus;
 class cmExportSet;
 
 /** \class cmExportLibraryDependenciesCommand
diff --git a/Source/cmExportLibraryDependenciesCommand.cxx b/Source/cmExportLibraryDependenciesCommand.cxx
index 66b77a6..bf1ea01 100644
--- a/Source/cmExportLibraryDependenciesCommand.cxx
+++ b/Source/cmExportLibraryDependenciesCommand.cxx
@@ -2,12 +2,20 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmExportLibraryDependenciesCommand.h"
 
+#include <cm_auto_ptr.hxx>
+#include <cmsys/FStream.hxx>
+
 #include "cmGeneratedFileStream.h"
 #include "cmGlobalGenerator.h"
-#include "cmVersion.h"
+#include "cmMakefile.h"
+#include "cmPolicies.h"
+#include "cmState.h"
+#include "cmSystemTools.h"
+#include "cmTarget.h"
+#include "cmTargetLinkLibraryType.h"
 #include "cmake.h"
 
-#include <cm_auto_ptr.hxx>
+class cmExecutionStatus;
 
 bool cmExportLibraryDependenciesCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmExportLibraryDependenciesCommand.h b/Source/cmExportLibraryDependenciesCommand.h
index fa9f353..0a7823a 100644
--- a/Source/cmExportLibraryDependenciesCommand.h
+++ b/Source/cmExportLibraryDependenciesCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmExportLibraryDependenciesCommand_h
 #define cmExportLibraryDependenciesCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 class cmExportLibraryDependenciesCommand : public cmCommand
 {
diff --git a/Source/cmFLTKWrapUICommand.cxx b/Source/cmFLTKWrapUICommand.cxx
index 5f621f1..1f0ce8d 100644
--- a/Source/cmFLTKWrapUICommand.cxx
+++ b/Source/cmFLTKWrapUICommand.cxx
@@ -2,7 +2,15 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmFLTKWrapUICommand.h"
 
+#include <stddef.h>
+
+#include "cmCustomCommandLines.h"
+#include "cmMakefile.h"
 #include "cmSourceFile.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+class cmTarget;
 
 // cmFLTKWrapUICommand
 bool cmFLTKWrapUICommand::InitialPass(std::vector<std::string> const& args,
diff --git a/Source/cmFLTKWrapUICommand.h b/Source/cmFLTKWrapUICommand.h
index 202067f..74bb8bb 100644
--- a/Source/cmFLTKWrapUICommand.h
+++ b/Source/cmFLTKWrapUICommand.h
@@ -3,7 +3,15 @@
 #ifndef cmFLTKWrapUICommand_h
 #define cmFLTKWrapUICommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
+class cmSourceFile;
 
 /** \class cmFLTKWrapUICommand
  * \brief Create .h and .cxx files rules for FLTK user interfaces files
diff --git a/Source/cmIncludeExternalMSProjectCommand.cxx b/Source/cmIncludeExternalMSProjectCommand.cxx
index d598722..e7e9402 100644
--- a/Source/cmIncludeExternalMSProjectCommand.cxx
+++ b/Source/cmIncludeExternalMSProjectCommand.cxx
@@ -2,6 +2,12 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmIncludeExternalMSProjectCommand.h"
 
+#ifdef _WIN32
+#include "cmSystemTools.h"
+#endif
+
+class cmExecutionStatus;
+
 // cmIncludeExternalMSProjectCommand
 bool cmIncludeExternalMSProjectCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmIncludeExternalMSProjectCommand.h b/Source/cmIncludeExternalMSProjectCommand.h
index 9401016..bfe7b2a 100644
--- a/Source/cmIncludeExternalMSProjectCommand.h
+++ b/Source/cmIncludeExternalMSProjectCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmIncludeExternalMSProjectCommand_h
 #define cmIncludeExternalMSProjectCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmIncludeExternalMSProjectCommand
  * \brief Specify an external MS project file for inclusion in the workspace.
diff --git a/Source/cmInstallProgramsCommand.cxx b/Source/cmInstallProgramsCommand.cxx
index bb2b61f..5ee81fb 100644
--- a/Source/cmInstallProgramsCommand.cxx
+++ b/Source/cmInstallProgramsCommand.cxx
@@ -2,7 +2,15 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmInstallProgramsCommand.h"
 
+#include "cmGeneratorExpression.h"
+#include "cmGlobalGenerator.h"
 #include "cmInstallFilesGenerator.h"
+#include "cmInstallGenerator.h"
+#include "cmMakefile.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
 // cmExecutableCommand
 bool cmInstallProgramsCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmInstallProgramsCommand.h b/Source/cmInstallProgramsCommand.h
index cb85cce..aa6c2fc 100644
--- a/Source/cmInstallProgramsCommand.h
+++ b/Source/cmInstallProgramsCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmInstallProgramsCommand_h
 #define cmInstallProgramsCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmInstallProgramsCommand
  * \brief Specifies where to install some programs
diff --git a/Source/cmLinkLibrariesCommand.cxx b/Source/cmLinkLibrariesCommand.cxx
index 4202cf5..708ec8c 100644
--- a/Source/cmLinkLibrariesCommand.cxx
+++ b/Source/cmLinkLibrariesCommand.cxx
@@ -2,6 +2,10 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmLinkLibrariesCommand.h"
 
+#include "cmMakefile.h"
+
+class cmExecutionStatus;
+
 // cmLinkLibrariesCommand
 bool cmLinkLibrariesCommand::InitialPass(std::vector<std::string> const& args,
                                          cmExecutionStatus&)
diff --git a/Source/cmLinkLibrariesCommand.h b/Source/cmLinkLibrariesCommand.h
index b4943b6..160eeb4 100644
--- a/Source/cmLinkLibrariesCommand.h
+++ b/Source/cmLinkLibrariesCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmLinkLibrariesCommand_h
 #define cmLinkLibrariesCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmLinkLibrariesCommand
  * \brief Specify a list of libraries to link into executables.
diff --git a/Source/cmLoadCacheCommand.cxx b/Source/cmLoadCacheCommand.cxx
index 49db5b0..2a06cb4 100644
--- a/Source/cmLoadCacheCommand.cxx
+++ b/Source/cmLoadCacheCommand.cxx
@@ -3,7 +3,13 @@
 #include "cmLoadCacheCommand.h"
 
 #include <cmsys/FStream.hxx>
-#include <cmsys/RegularExpression.hxx>
+
+#include "cmMakefile.h"
+#include "cmState.h"
+#include "cmSystemTools.h"
+#include "cmake.h"
+
+class cmExecutionStatus;
 
 // cmLoadCacheCommand
 bool cmLoadCacheCommand::InitialPass(std::vector<std::string> const& args,
diff --git a/Source/cmLoadCacheCommand.h b/Source/cmLoadCacheCommand.h
index 57f64cd..64b82c5 100644
--- a/Source/cmLoadCacheCommand.h
+++ b/Source/cmLoadCacheCommand.h
@@ -3,7 +3,15 @@
 #ifndef cmLoadCacheCommand_h
 #define cmLoadCacheCommand_h
 
+#include <cmConfigure.h>
+#include <set>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmLoadCacheCommand
  * \brief load a cache file
diff --git a/Source/cmLoadCommandCommand.cxx b/Source/cmLoadCommandCommand.cxx
index bcfec79..12b3aa8 100644
--- a/Source/cmLoadCommandCommand.cxx
+++ b/Source/cmLoadCommandCommand.cxx
@@ -5,16 +5,23 @@
 #include "cmCPluginAPI.cxx"
 #include "cmCPluginAPI.h"
 #include "cmDynamicLoader.h"
+#include "cmMakefile.h"
+#include "cmPolicies.h"
+#include "cmState.h"
+#include "cmSystemTools.h"
 
-#include <cmsys/DynamicLoader.hxx>
+class cmExecutionStatus;
 
+#include <signal.h>
+#include <sstream>
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #ifdef __QNX__
 #include <malloc.h> /* for malloc/free on QNX */
 #endif
 
-#include <signal.h>
 extern "C" void TrapsForSignalsCFunction(int sig);
 
 // a class for loadabple commands
diff --git a/Source/cmLoadCommandCommand.h b/Source/cmLoadCommandCommand.h
index e42d46a..470b9c5 100644
--- a/Source/cmLoadCommandCommand.h
+++ b/Source/cmLoadCommandCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmLoadCommandCommand_h
 #define cmLoadCommandCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 class cmLoadCommandCommand : public cmCommand
 {
diff --git a/Source/cmOutputRequiredFilesCommand.cxx b/Source/cmOutputRequiredFilesCommand.cxx
index 8b629fe..6ecd942 100644
--- a/Source/cmOutputRequiredFilesCommand.cxx
+++ b/Source/cmOutputRequiredFilesCommand.cxx
@@ -2,8 +2,18 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmOutputRequiredFilesCommand.h"
 
-#include "cmAlgorithms.h"
 #include <cmsys/FStream.hxx>
+#include <cmsys/RegularExpression.hxx>
+
+#include "cmAlgorithms.h"
+#include "cmGeneratorExpression.h"
+#include "cmMakefile.h"
+#include "cmPolicies.h"
+#include "cmSourceFile.h"
+#include "cmSystemTools.h"
+#include "cmTarget.h"
+
+class cmExecutionStatus;
 
 /** \class cmDependInformation
  * \brief Store dependency information for a single source file.
diff --git a/Source/cmOutputRequiredFilesCommand.h b/Source/cmOutputRequiredFilesCommand.h
index 7a81a76..6bce1b7 100644
--- a/Source/cmOutputRequiredFilesCommand.h
+++ b/Source/cmOutputRequiredFilesCommand.h
@@ -3,9 +3,17 @@
 #ifndef cmOutputRequiredFilesCommand_h
 #define cmOutputRequiredFilesCommand_h
 
+#include <cmConfigure.h>
+#include <set>
+#include <stdio.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
 
 class cmDependInformation;
+class cmExecutionStatus;
 
 class cmOutputRequiredFilesCommand : public cmCommand
 {
diff --git a/Source/cmQTWrapCPPCommand.cxx b/Source/cmQTWrapCPPCommand.cxx
index 3a721da..b0ff68d 100644
--- a/Source/cmQTWrapCPPCommand.cxx
+++ b/Source/cmQTWrapCPPCommand.cxx
@@ -2,6 +2,13 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmQTWrapCPPCommand.h"
 
+#include "cmCustomCommandLines.h"
+#include "cmMakefile.h"
+#include "cmSourceFile.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
 // cmQTWrapCPPCommand
 bool cmQTWrapCPPCommand::InitialPass(std::vector<std::string> const& args,
                                      cmExecutionStatus&)
diff --git a/Source/cmQTWrapCPPCommand.h b/Source/cmQTWrapCPPCommand.h
index 3567fb6..015f90e 100644
--- a/Source/cmQTWrapCPPCommand.h
+++ b/Source/cmQTWrapCPPCommand.h
@@ -3,9 +3,14 @@
 #ifndef cmQTWrapCPPCommand_h
 #define cmQTWrapCPPCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
 
-#include "cmSourceFile.h"
+class cmExecutionStatus;
 
 /** \class cmQTWrapCPPCommand
  * \brief Create moc file rules for Qt classes
diff --git a/Source/cmQTWrapUICommand.cxx b/Source/cmQTWrapUICommand.cxx
index 3b0f083..052e633 100644
--- a/Source/cmQTWrapUICommand.cxx
+++ b/Source/cmQTWrapUICommand.cxx
@@ -2,6 +2,13 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmQTWrapUICommand.h"
 
+#include "cmCustomCommandLines.h"
+#include "cmMakefile.h"
+#include "cmSourceFile.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
 // cmQTWrapUICommand
 bool cmQTWrapUICommand::InitialPass(std::vector<std::string> const& args,
                                     cmExecutionStatus&)
diff --git a/Source/cmQTWrapUICommand.h b/Source/cmQTWrapUICommand.h
index 84b88a8..da43961 100644
--- a/Source/cmQTWrapUICommand.h
+++ b/Source/cmQTWrapUICommand.h
@@ -3,9 +3,14 @@
 #ifndef cmQTWrapUICommand_h
 #define cmQTWrapUICommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
 
-#include "cmSourceFile.h"
+class cmExecutionStatus;
 
 /** \class cmQTWrapUICommand
  * \brief Create .h and .cxx files rules for Qt user interfaces files
diff --git a/Source/cmRemoveCommand.cxx b/Source/cmRemoveCommand.cxx
index 540f37f..5a52927 100644
--- a/Source/cmRemoveCommand.cxx
+++ b/Source/cmRemoveCommand.cxx
@@ -2,6 +2,11 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmRemoveCommand.h"
 
+#include "cmMakefile.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
 // cmRemoveCommand
 bool cmRemoveCommand::InitialPass(std::vector<std::string> const& args,
                                   cmExecutionStatus&)
diff --git a/Source/cmRemoveCommand.h b/Source/cmRemoveCommand.h
index bf33de0..5107038 100644
--- a/Source/cmRemoveCommand.h
+++ b/Source/cmRemoveCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmRemoveCommand_h
 #define cmRemoveCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmRemoveCommand
  * \brief remove command
diff --git a/Source/cmRemoveDefinitionsCommand.cxx b/Source/cmRemoveDefinitionsCommand.cxx
index cae5072..f5fe2df 100644
--- a/Source/cmRemoveDefinitionsCommand.cxx
+++ b/Source/cmRemoveDefinitionsCommand.cxx
@@ -2,6 +2,10 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmRemoveDefinitionsCommand.h"
 
+#include "cmMakefile.h"
+
+class cmExecutionStatus;
+
 // cmRemoveDefinitionsCommand
 bool cmRemoveDefinitionsCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmRemoveDefinitionsCommand.h b/Source/cmRemoveDefinitionsCommand.h
index 016f5fd..c88c66d 100644
--- a/Source/cmRemoveDefinitionsCommand.h
+++ b/Source/cmRemoveDefinitionsCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmRemoveDefinitionsCommand_h
 #define cmRemoveDefinitionsCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmRemoveDefinitionsCommand
  * \brief Specify a list of compiler defines
diff --git a/Source/cmSourceGroupCommand.cxx b/Source/cmSourceGroupCommand.cxx
index 2b176b5..ff3ec7f 100644
--- a/Source/cmSourceGroupCommand.cxx
+++ b/Source/cmSourceGroupCommand.cxx
@@ -2,6 +2,14 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmSourceGroupCommand.h"
 
+#include <sstream>
+
+#include "cmMakefile.h"
+#include "cmSourceGroup.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
 // cmSourceGroupCommand
 bool cmSourceGroupCommand::InitialPass(std::vector<std::string> const& args,
                                        cmExecutionStatus&)
diff --git a/Source/cmSourceGroupCommand.h b/Source/cmSourceGroupCommand.h
index e3639df..89d86dc 100644
--- a/Source/cmSourceGroupCommand.h
+++ b/Source/cmSourceGroupCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmSourceGroupCommand_h
 #define cmSourceGroupCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmSourceGroupCommand
  * \brief Adds a cmSourceGroup to the cmMakefile.
diff --git a/Source/cmSubdirDependsCommand.cxx b/Source/cmSubdirDependsCommand.cxx
index b5b4148..9259836 100644
--- a/Source/cmSubdirDependsCommand.cxx
+++ b/Source/cmSubdirDependsCommand.cxx
@@ -2,6 +2,10 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmSubdirDependsCommand.h"
 
+#include "cmPolicies.h"
+
+class cmExecutionStatus;
+
 bool cmSubdirDependsCommand::InitialPass(std::vector<std::string> const&,
                                          cmExecutionStatus&)
 {
diff --git a/Source/cmSubdirDependsCommand.h b/Source/cmSubdirDependsCommand.h
index 0f3deb6..c8d9025 100644
--- a/Source/cmSubdirDependsCommand.h
+++ b/Source/cmSubdirDependsCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmSubdirDependsCommand_h
 #define cmSubdirDependsCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 class cmSubdirDependsCommand : public cmCommand
 {
diff --git a/Source/cmTargetCompileDefinitionsCommand.cxx b/Source/cmTargetCompileDefinitionsCommand.cxx
index 9f08ba7..008d1a2 100644
--- a/Source/cmTargetCompileDefinitionsCommand.cxx
+++ b/Source/cmTargetCompileDefinitionsCommand.cxx
@@ -2,7 +2,14 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmTargetCompileDefinitionsCommand.h"
 
+#include <sstream>
+
 #include "cmAlgorithms.h"
+#include "cmMakefile.h"
+#include "cmTarget.h"
+#include "cmake.h"
+
+class cmExecutionStatus;
 
 bool cmTargetCompileDefinitionsCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmTargetCompileDefinitionsCommand.h b/Source/cmTargetCompileDefinitionsCommand.h
index b49f616..69edfb2 100644
--- a/Source/cmTargetCompileDefinitionsCommand.h
+++ b/Source/cmTargetCompileDefinitionsCommand.h
@@ -3,7 +3,16 @@
 #ifndef cmTargetCompileDefinitionsCommand_h
 #define cmTargetCompileDefinitionsCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmTargetPropCommandBase.h"
+#include "cmTypeMacro.h"
+
+class cmCommand;
+class cmExecutionStatus;
+class cmTarget;
 
 class cmTargetCompileDefinitionsCommand : public cmTargetPropCommandBase
 {
diff --git a/Source/cmTargetCompileFeaturesCommand.cxx b/Source/cmTargetCompileFeaturesCommand.cxx
index 7636347..a1c9b82 100644
--- a/Source/cmTargetCompileFeaturesCommand.cxx
+++ b/Source/cmTargetCompileFeaturesCommand.cxx
@@ -2,7 +2,15 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmTargetCompileFeaturesCommand.h"
 
+#include <algorithm>
+#include <sstream>
+
 #include "cmAlgorithms.h"
+#include "cmMakefile.h"
+#include "cmake.h"
+
+class cmExecutionStatus;
+class cmTarget;
 
 bool cmTargetCompileFeaturesCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmTargetCompileFeaturesCommand.h b/Source/cmTargetCompileFeaturesCommand.h
index 8273e02..275df43 100644
--- a/Source/cmTargetCompileFeaturesCommand.h
+++ b/Source/cmTargetCompileFeaturesCommand.h
@@ -3,7 +3,16 @@
 #ifndef cmTargetCompileFeaturesCommand_h
 #define cmTargetCompileFeaturesCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmTargetPropCommandBase.h"
+#include "cmTypeMacro.h"
+
+class cmCommand;
+class cmExecutionStatus;
+class cmTarget;
 
 class cmTargetCompileFeaturesCommand : public cmTargetPropCommandBase
 {
diff --git a/Source/cmTargetCompileOptionsCommand.cxx b/Source/cmTargetCompileOptionsCommand.cxx
index eb66dd3..a4db55b 100644
--- a/Source/cmTargetCompileOptionsCommand.cxx
+++ b/Source/cmTargetCompileOptionsCommand.cxx
@@ -2,7 +2,16 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmTargetCompileOptionsCommand.h"
 
+#include <algorithm>
+#include <sstream>
+
 #include "cmAlgorithms.h"
+#include "cmListFileCache.h"
+#include "cmMakefile.h"
+#include "cmTarget.h"
+#include "cmake.h"
+
+class cmExecutionStatus;
 
 bool cmTargetCompileOptionsCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmTargetCompileOptionsCommand.h b/Source/cmTargetCompileOptionsCommand.h
index f5b4c70..d1a9d5b 100644
--- a/Source/cmTargetCompileOptionsCommand.h
+++ b/Source/cmTargetCompileOptionsCommand.h
@@ -3,7 +3,16 @@
 #ifndef cmTargetCompileOptionsCommand_h
 #define cmTargetCompileOptionsCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmTargetPropCommandBase.h"
+#include "cmTypeMacro.h"
+
+class cmCommand;
+class cmExecutionStatus;
+class cmTarget;
 
 class cmTargetCompileOptionsCommand : public cmTargetPropCommandBase
 {
diff --git a/Source/cmTargetIncludeDirectoriesCommand.cxx b/Source/cmTargetIncludeDirectoriesCommand.cxx
index 37b9598..65a3149 100644
--- a/Source/cmTargetIncludeDirectoriesCommand.cxx
+++ b/Source/cmTargetIncludeDirectoriesCommand.cxx
@@ -2,7 +2,17 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmTargetIncludeDirectoriesCommand.h"
 
+#include <set>
+#include <sstream>
+
 #include "cmGeneratorExpression.h"
+#include "cmListFileCache.h"
+#include "cmMakefile.h"
+#include "cmSystemTools.h"
+#include "cmTarget.h"
+#include "cmake.h"
+
+class cmExecutionStatus;
 
 bool cmTargetIncludeDirectoriesCommand::InitialPass(
   std::vector<std::string> const& args, cmExecutionStatus&)
diff --git a/Source/cmTargetIncludeDirectoriesCommand.h b/Source/cmTargetIncludeDirectoriesCommand.h
index 671627a..e206823 100644
--- a/Source/cmTargetIncludeDirectoriesCommand.h
+++ b/Source/cmTargetIncludeDirectoriesCommand.h
@@ -3,7 +3,16 @@
 #ifndef cmTargetIncludeDirectoriesCommand_h
 #define cmTargetIncludeDirectoriesCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmTargetPropCommandBase.h"
+#include "cmTypeMacro.h"
+
+class cmCommand;
+class cmExecutionStatus;
+class cmTarget;
 
 class cmTargetIncludeDirectoriesCommand : public cmTargetPropCommandBase
 {
diff --git a/Source/cmTargetSourcesCommand.cxx b/Source/cmTargetSourcesCommand.cxx
index 2170247..13c9a8f 100644
--- a/Source/cmTargetSourcesCommand.cxx
+++ b/Source/cmTargetSourcesCommand.cxx
@@ -2,7 +2,15 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmTargetSourcesCommand.h"
 
-#include "cmGeneratorExpression.h"
+#include <algorithm>
+#include <sstream>
+
+#include "cmAlgorithms.h"
+#include "cmMakefile.h"
+#include "cmTarget.h"
+#include "cmake.h"
+
+class cmExecutionStatus;
 
 bool cmTargetSourcesCommand::InitialPass(std::vector<std::string> const& args,
                                          cmExecutionStatus&)
diff --git a/Source/cmTargetSourcesCommand.h b/Source/cmTargetSourcesCommand.h
index 8f88b25..fa5738a 100644
--- a/Source/cmTargetSourcesCommand.h
+++ b/Source/cmTargetSourcesCommand.h
@@ -3,7 +3,16 @@
 #ifndef cmTargetSourcesCommand_h
 #define cmTargetSourcesCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmTargetPropCommandBase.h"
+#include "cmTypeMacro.h"
+
+class cmCommand;
+class cmExecutionStatus;
+class cmTarget;
 
 class cmTargetSourcesCommand : public cmTargetPropCommandBase
 {
diff --git a/Source/cmUseMangledMesaCommand.cxx b/Source/cmUseMangledMesaCommand.cxx
index e2b6b1a..ffeaa51 100644
--- a/Source/cmUseMangledMesaCommand.cxx
+++ b/Source/cmUseMangledMesaCommand.cxx
@@ -2,11 +2,14 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmUseMangledMesaCommand.h"
 
-#include "cmSystemTools.h"
-
 #include <cmsys/FStream.hxx>
 #include <cmsys/RegularExpression.hxx>
 
+#include "cmPolicies.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
 bool cmUseMangledMesaCommand::InitialPass(std::vector<std::string> const& args,
                                           cmExecutionStatus&)
 {
diff --git a/Source/cmUseMangledMesaCommand.h b/Source/cmUseMangledMesaCommand.h
index a5fa146..bf6352c 100644
--- a/Source/cmUseMangledMesaCommand.h
+++ b/Source/cmUseMangledMesaCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmUseMangledMesaCommand_h
 #define cmUseMangledMesaCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 class cmUseMangledMesaCommand : public cmCommand
 {
diff --git a/Source/cmUtilitySourceCommand.cxx b/Source/cmUtilitySourceCommand.cxx
index c816114..f98d512 100644
--- a/Source/cmUtilitySourceCommand.cxx
+++ b/Source/cmUtilitySourceCommand.cxx
@@ -2,7 +2,15 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmUtilitySourceCommand.h"
 
+#include <string.h>
+
+#include "cmMakefile.h"
+#include "cmPolicies.h"
+#include "cmState.h"
 #include "cmState.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
 
 // cmUtilitySourceCommand
 bool cmUtilitySourceCommand::InitialPass(std::vector<std::string> const& args,
diff --git a/Source/cmUtilitySourceCommand.h b/Source/cmUtilitySourceCommand.h
index 6ee5f3e..7d12313 100644
--- a/Source/cmUtilitySourceCommand.h
+++ b/Source/cmUtilitySourceCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmUtilitySourceCommand_h
 #define cmUtilitySourceCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 class cmUtilitySourceCommand : public cmCommand
 {
diff --git a/Source/cmVariableRequiresCommand.cxx b/Source/cmVariableRequiresCommand.cxx
index 7599551..1eb1f20 100644
--- a/Source/cmVariableRequiresCommand.cxx
+++ b/Source/cmVariableRequiresCommand.cxx
@@ -2,7 +2,12 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmVariableRequiresCommand.h"
 
+#include "cmMakefile.h"
+#include "cmPolicies.h"
 #include "cmState.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
 
 // cmLibraryCommand
 bool cmVariableRequiresCommand::InitialPass(
diff --git a/Source/cmVariableRequiresCommand.h b/Source/cmVariableRequiresCommand.h
index e40151b..62f89da 100644
--- a/Source/cmVariableRequiresCommand.h
+++ b/Source/cmVariableRequiresCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmVariableRequiresCommand_h
 #define cmVariableRequiresCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 class cmVariableRequiresCommand : public cmCommand
 {
diff --git a/Source/cmVariableWatchCommand.cxx b/Source/cmVariableWatchCommand.cxx
index 5c1e00a..90b0b28 100644
--- a/Source/cmVariableWatchCommand.cxx
+++ b/Source/cmVariableWatchCommand.cxx
@@ -2,7 +2,14 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmVariableWatchCommand.h"
 
+#include <sstream>
+
+#include "cmExecutionStatus.h"
+#include "cmListFileCache.h"
+#include "cmMakefile.h"
+#include "cmSystemTools.h"
 #include "cmVariableWatch.h"
+#include "cmake.h"
 
 struct cmVariableWatchCallbackData
 {
diff --git a/Source/cmVariableWatchCommand.h b/Source/cmVariableWatchCommand.h
index b1862f0..5f5cba8 100644
--- a/Source/cmVariableWatchCommand.h
+++ b/Source/cmVariableWatchCommand.h
@@ -3,7 +3,15 @@
 #ifndef cmVariableWatchCommand_h
 #define cmVariableWatchCommand_h
 
+#include <cmConfigure.h>
+#include <set>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmVariableWatchCommand
  * \brief Watch when the variable changes and invoke command
diff --git a/Source/cmWriteFileCommand.cxx b/Source/cmWriteFileCommand.cxx
index 0bdef0f..b3ac31c 100644
--- a/Source/cmWriteFileCommand.cxx
+++ b/Source/cmWriteFileCommand.cxx
@@ -8,6 +8,11 @@
 // include sys/stat.h after sys/types.h
 #include <sys/stat.h>
 
+#include "cmMakefile.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
 // cmLibraryCommand
 bool cmWriteFileCommand::InitialPass(std::vector<std::string> const& args,
                                      cmExecutionStatus&)
diff --git a/Source/cmWriteFileCommand.h b/Source/cmWriteFileCommand.h
index dbadf84..c6a30b0 100644
--- a/Source/cmWriteFileCommand.h
+++ b/Source/cmWriteFileCommand.h
@@ -3,7 +3,14 @@
 #ifndef cmWriteFileCommand_h
 #define cmWriteFileCommand_h
 
+#include <cmConfigure.h>
+#include <string>
+#include <vector>
+
 #include "cmCommand.h"
+#include "cmTypeMacro.h"
+
+class cmExecutionStatus;
 
 /** \class cmWriteFileCommand
  * \brief Writes a message to a file