32 lines
1.3 KiB
CMake
32 lines
1.3 KiB
CMake
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# - MACRO_OPTIONAL_ADD_SUBDIRECTORY() combines ADD_SUBDIRECTORY() with an OPTION()
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# MACRO_OPTIONAL_ADD_SUBDIRECTORY( <dir> )
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# If you use MACRO_OPTIONAL_ADD_SUBDIRECTORY() instead of ADD_SUBDIRECTORY(),
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# this will have two effects
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# 1 - CMake will not complain if the directory doesn't exist
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# This makes sense if you want to distribute just one of the subdirs
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# in a source package, e.g. just one of the subdirs in kdeextragear.
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# 2 - If the directory exists, it will offer an option to skip the
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# subdirectory.
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# This is useful if you want to compile only a subset of all
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# directories.
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# Copyright (c) 2007, Alexander Neundorf, <neundorf@kde.org>
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#
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# Redistribution and use is allowed according to the terms of the BSD license.
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# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
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MACRO (MACRO_OPTIONAL_ADD_SUBDIRECTORY _dir )
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GET_FILENAME_COMPONENT(_fullPath ${_dir} ABSOLUTE)
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IF(EXISTS ${_fullPath})
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IF(${ARGC} EQUAL 2)
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OPTION(BUILD_${_dir} "Build directory ${_dir}" ${ARGV1})
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ELSE(${ARGC} EQUAL 2)
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OPTION(BUILD_${_dir} "Build directory ${_dir}" TRUE)
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ENDIF(${ARGC} EQUAL 2)
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IF(BUILD_${_dir})
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ADD_SUBDIRECTORY(${_dir})
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ENDIF(BUILD_${_dir})
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ENDIF(EXISTS ${_fullPath})
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ENDMACRO (MACRO_OPTIONAL_ADD_SUBDIRECTORY)
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