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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef cmAddCustomCommandCommand_h
#define cmAddCustomCommandCommand_h
#include "cmStandardIncludes.h"
#include "cmCommand.h"
/** \class cmAddCustomCommandCommand
* \brief
*
* cmAddCustomCommandCommand defines a new command that can
* be executed within the CMake
*
* In makefile terms this creates new target in the following form:
* OUTPUT1: SOURCE DEPENDS
* COMMAND ARGS
* OUTPUT2: SOURCE DEPENDS
* COMMAND ARGS
* ...
* Example of usage:
* ADD_CUSTOM_COMMAND(
* SOURCE ${VTK_TIFF_FAX_EXE}
* COMMAND ${VTK_TIFF_FAX_EXE}
* ARGS -c const ${VTK_BINARY_DIR}/Utilities/tiff/tif_fax3sm.c
* TARGET vtktiff
* OUTPUTS ${VTK_BINARY_DIR}/Utilities/tiff/tif_fax3sm.c
* )
* This will create custom target which will generate file tif_fax3sm.c
* using command ${VTK_TIFF_FAX_EXE}.
*/
class cmAddCustomCommandCommand : public cmCommand
{
public:
/**
* This is a virtual constructor for the command.
*/
virtual cmCommand* Clone()
{
return new cmAddCustomCommandCommand;
}
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args);
/**
* This determines if the command gets propagated down
* to makefiles located in subdirectories.
*/
virtual bool IsInherited() {return true;}
/**
* The name of the command as specified in CMakeList.txt.
*/
virtual const char* GetName() {return "ADD_CUSTOM_COMMAND";}
/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation()
{
return "Add a custom build rule to the generated build system.";
}
/**
* More documentation.
*/
virtual const char* GetFullDocumentation()
{
return
"There are two main signatures for ADD_CUSTOM_COMMAND "
"The first signature is for adding a custom command "
"to a source file.\n"
" ADD_CUSTOM_COMMAND(OUTPUT result\n"
" COMMAND command\n"
" [ARGS [args...]]\n"
" [MAIN_DEPENDENCY depend]\n"
" [DEPENDS [depends...]]\n"
" [COMMENT comment])\n"
"This defines a new command that can be executed during the build "
"process. In makefile terms this creates a new target in the "
"following form:\n"
" OUTPUT: MAIN_DEPENDENCY DEPENDS\n"
" COMMAND ARGS\n"
"\n"
"The second signature adds a custom command to a target "
"such as a library or executable. This is useful for "
"performing an operation before or after building the target "
"\n"
" ADD_CUSTOM_COMMAND(TARGET target\n"
" PRE_BUILD | PRE_LINK | POST_BUILD\n"
" COMMAND command\n"
" [ARGS [args...]]\n"
" [COMMENT comment])\n"
"This defines a new command that will be associated with "
"building the specified target. When the command will "
"happen is determined by whether you specify\n"
"PRE_BUILD - run before all other dependencies\n"
"PRE_LINK - run after other dependencies\n"
"POST_BUILD - run after the target has been built\n";
}
cmTypeMacro(cmAddCustomCommandCommand, cmCommand);
};
/*
target: normal depends
pre rules
normal rules
post rules
output1: source other depends
rule
output2: source other dpeends
rule
another option is
output1: depends
rule
output2: depends
rule
use case1 - an executable that depending on args create diff output files
*/
#endif
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