73 lines
2.5 KiB
CMake
73 lines
2.5 KiB
CMake
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# This module defines macros that are useful for using libraries in a build. The
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# macros in this module are typically used along with the FindDependencyMacros.
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# ADD_LIBRARY_TO_LIST Macro
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# Adds a library to a list of libraries if it is found. Otherwise, reports an
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# error.
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#
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# Usage:
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# ADD_LIBRARY_TO_LIST( libraries found lib lib_name )
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#
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# Parameters:
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# libraries The list of libraries to add the library to.
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# found Whether or not the library to add was found.
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# lib The library to add to the list.
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# lib_name The name of the library to add to the list.
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MACRO( ADD_LIBRARY_TO_LIST libraries found lib lib_name )
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# Setting found to itself is necessary for the conditional to work.
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SET( found ${found} )
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# IF found, then add the library to the list, else report an error.
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IF( found )
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LIST( REMOVE_ITEM ${libraries} ${lib} )
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SET( ${libraries} ${${libraries}} ${lib} )
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ENDIF( found )
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IF( NOT found )
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MESSAGE( "Using ${lib_name} failed." )
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ENDIF( NOT found )
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ENDMACRO( ADD_LIBRARY_TO_LIST )
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# USE_LIBRARY_GLOBALS Macro
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# If ${prefix}_USE_${LIB} is true, then ${prefix}_${LIB}_LIBRARY will be added
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# to ${prefix}_LIBRARIES (assuming the library was correctly found). All of the
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# dependencies will also be added to ${prefix}_LIBRARIES.
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#
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# Usage:
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# USE_LIBRARY_GLOBALS( prefix lib
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# DEPS dependency1 [dependency2...] )
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#
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# Parameters:
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# prefix The prefix for the global variables.
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# lib The library to try to use.
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# DEPS Follow with the list of dependencies that should be added with
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# the given library.
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MACRO( USE_LIBRARY_GLOBALS prefix lib )
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STRING( TOUPPER ${lib} upper )
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# If the library should be used...
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IF( ${prefix}_USE_${upper} )
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# Parse the arguments into variables.
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ARGUMENT_PARSER( "" "DEPS" "" ${ARGN} )
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# Add the library to the list.
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ADD_LIBRARY_TO_LIST( ${prefix}_LIBRARIES "${${prefix}_${upper}_FOUND}"
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"${${prefix}_${upper}_LIBRARY}" ${lib} )
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# For each of the library's dependencies.
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FOREACH( dep_itr ${deps} )
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STRING( TOUPPER ${dep_itr} upper )
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# Add the dependency to the list.
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ADD_LIBRARY_TO_LIST( ${prefix}_LIBRARIES
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"${${prefix}_${upper}_FOUND}"
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"${${prefix}_${upper}_LIBRARY}" ${dep_itr} )
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ENDFOREACH( dep_itr )
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ENDIF( ${prefix}_USE_${upper} )
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ENDMACRO( USE_LIBRARY_GLOBALS )
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