CMake/Source/cmIncludeDirectoryCommand.h

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
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#ifndef cmIncludeDirectoryCommand_h
#define cmIncludeDirectoryCommand_h
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#include "cmCommand.h"
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/** \class cmIncludeDirectoryCommand
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* \brief Add include directories to the build.
*
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* cmIncludeDirectoryCommand is used to specify directory locations
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* to search for included files.
*/
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class cmIncludeDirectoryCommand : public cmCommand
{
public:
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/**
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* This is a virtual constructor for the command.
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*/
virtual cmCommand* Clone()
{
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return new cmIncludeDirectoryCommand;
}
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/**
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* This is called when the command is first encountered in
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* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args,
cmExecutionStatus &status);
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/**
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* The name of the command as specified in CMakeList.txt.
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*/
virtual const char* GetName() const { return "include_directories";}
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/**
* Succinct documentation.
*/
virtual const char* GetTerseDocumentation() const
{
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return "Add include directories to the build.";
}
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/**
* More documentation.
*/
virtual const char* GetFullDocumentation() const
{
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return
" include_directories([AFTER|BEFORE] [SYSTEM] dir1 dir2 ...)\n"
"Add the given directories to those the compiler uses to search "
"for include files. "
"These directories are added to the directory property "
"INCLUDE_DIRECTORIES for the current CMakeLists file. "
"They are also added to the target property INCLUDE_DIRECTORIES "
"for each target in the current CMakeLists file. "
"The target property values are the ones used by the generators."
"\n"
"By default the directories are appended onto the current list of "
"directories. "
"This default behavior can be changed by setting "
"CMAKE_INCLUDE_DIRECTORIES_BEFORE to ON. "
"By using AFTER or BEFORE explicitly, you can select between "
"appending and prepending, independent of the default. "
"\n"
"If the SYSTEM option is given, the compiler will be told the "
"directories are meant as system include directories on some "
"platforms (signalling this setting might achieve effects such as "
"the compiler skipping warnings, or these fixed-install system files "
"not being considered in dependency calculations - see compiler docs).";
}
cmTypeMacro(cmIncludeDirectoryCommand, cmCommand);
protected:
// used internally
void GetIncludes(const std::string &arg, std::vector<std::string> &incs);
void NormalizeInclude(std::string &inc);
};
#endif