cmCommand refactor: cmExecProgramCommand

Source/cmExecProgramCommand.h

@@ -8,43 +8,16 @@
 #include <string>
 #include <vector>
 
-#include "cm_memory.hxx"
-
-#include "cmCommand.h"
-#include "cmProcessOutput.h"
-
 class cmExecutionStatus;
 
-/** \class cmExecProgramCommand
+/**
  * \brief Command that adds a target to the build system.
  *
  * cmExecProgramCommand adds an extra target to the build system.
  * This is useful when you would like to add special
  * targets like "install,", "clean," and so on.
  */
-class cmExecProgramCommand : public cmCommand
-{
-public:
-  typedef cmProcessOutput::Encoding Encoding;
-  /**
-   * This is a virtual constructor for the command.
-   */
-  std::unique_ptr<cmCommand> Clone() override
-  {
-    return cm::make_unique<cmExecProgramCommand>();
-  }
-
-  /**
-   * This is called when the command is first encountered in
-   * the CMakeLists.txt file.
-   */
-  bool InitialPass(std::vector<std::string> const& args,
-                   cmExecutionStatus& status) override;
-
-private:
-  static bool RunCommand(std::string command, std::string& output, int& retVal,
-                         const char* directory = nullptr, bool verbose = true,
-                         Encoding encoding = cmProcessOutput::Auto);
-};
+bool cmExecProgramCommand(std::vector<std::string> const& args,
+                          cmExecutionStatus& status);
 
 #endif