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# - Finds ROOT instalation |
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# This module sets up ROOT information |
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# It defines: |
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# ROOT_FOUND If the ROOT is found |
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# ROOT_INCLUDE_DIR PATH to the include directory |
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# ROOT_LIBRARIES Most common libraries |
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# ROOT_LIBRARY_DIR PATH to the library directory |
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# |
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# Updated by K. Smith (ksmith37@nd.edu) to properly handle |
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# dependncies in ROOT_GENERATE_DICTIONARY |
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|
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if("$ENV{ROOTSYS}" STREQUAL "") |
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message(WARNING "The ROOTSYS environment variable is not defined") |
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endif() |
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|
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find_program(ROOT_CONFIG_EXECUTABLE root-config |
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PATHS $ENV{ROOTSYS}/bin) |
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|
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if(NOT ROOT_CONFIG_EXECUTABLE) |
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set(ROOT_FOUND FALSE) |
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else() |
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set(ROOT_FOUND TRUE) |
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|
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execute_process( |
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COMMAND ${ROOT_CONFIG_EXECUTABLE} --prefix |
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OUTPUT_VARIABLE ROOTSYS |
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OUTPUT_STRIP_TRAILING_WHITESPACE) |
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|
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execute_process( |
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COMMAND ${ROOT_CONFIG_EXECUTABLE} --version |
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OUTPUT_VARIABLE ROOT_VERSION |
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OUTPUT_STRIP_TRAILING_WHITESPACE) |
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string(REGEX REPLACE "/" "." ROOT_VERSION "${ROOT_VERSION}") |
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|
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execute_process( |
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COMMAND ${ROOT_CONFIG_EXECUTABLE} --incdir |
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OUTPUT_VARIABLE ROOT_INCLUDE_DIR |
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OUTPUT_STRIP_TRAILING_WHITESPACE) |
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|
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execute_process( |
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COMMAND ${ROOT_CONFIG_EXECUTABLE} --libs |
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OUTPUT_VARIABLE ROOT_LIBRARIES |
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OUTPUT_STRIP_TRAILING_WHITESPACE) |
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|
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# Extract library dir from ROOT_LIBRARIES |
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string(REGEX REPLACE " " ";" ROOT_LIBRARY_LIST ${ROOT_LIBRARIES}) |
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list(GET ROOT_LIBRARY_LIST 0 ROOT_LIBRARY_DIR) |
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string(REGEX REPLACE "-L" "" ROOT_LIBRARY_DIR ${ROOT_LIBRARY_DIR}) |
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|
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endif() |
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|
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include(FindPackageHandleStandardArgs) |
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find_package_handle_standard_args(ROOT REQUIRED_VARS ROOT_CONFIG_EXECUTABLE |
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ROOTSYS ROOT_VERSION ROOT_INCLUDE_DIR ROOT_LIBRARIES ROOT_LIBRARY_DIR |
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VERSION_VAR ROOT_VERSION) |
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|
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mark_as_advanced(ROOT_CONFIG_EXECUTABLE) |
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|
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include(CMakeParseArguments) |
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find_program(ROOTCINT_EXECUTABLE rootcint PATHS $ENV{ROOTSYS}/bin) |
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find_program(GENREFLEX_EXECUTABLE genreflex PATHS $ENV{ROOTSYS}/bin) |
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find_package(GCCXML) |
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|
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#---------------------------------------------------------------------------- |
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# function ROOT_GENERATE_DICTIONARY( dictionary |
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# header1 header2 ... |
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# LINKDEF linkdef1 ... |
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# OPTIONS opt1...) |
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function(ROOT_GENERATE_DICTIONARY dictionary) |
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CMAKE_PARSE_ARGUMENTS(ARG "" "" "LINKDEF;OPTIONS" "" ${ARGN}) |
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#---Get the list of include directories------------------ |
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get_directory_property(incdirs INCLUDE_DIRECTORIES) |
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set(includedirs) |
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foreach( d ${incdirs}) |
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set(includedirs ${includedirs} -I${d}) |
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endforeach() |
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#---Get the list of header files------------------------- |
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set(headerfiles) |
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foreach(fp ${ARG_UNPARSED_ARGUMENTS}) |
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if(${fp} MATCHES "[*?]") # Is this header a globbing expression? |
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file(GLOB files ${fp}) |
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foreach(f ${files}) |
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if(NOT f MATCHES LinkDef) # skip LinkDefs from globbing result |
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set(headerfiles ${headerfiles} ${f}) |
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endif() |
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endforeach() |
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else() |
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find_file(headerFile ${fp} PATHS ${incdirs}) |
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set(headerfiles ${headerfiles} ${headerFile}) |
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unset(headerFile CACHE) |
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endif() |
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endforeach() |
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#---Get LinkDef.h file------------------------------------ |
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set(linkdefs) |
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foreach( f ${ARG_LINKDEF}) |
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find_file(linkFile ${f} PATHS ${incdirs}) |
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set(linkdefs ${linkdefs} ${linkFile}) |
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unset(linkFile CACHE) |
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endforeach() |
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#---call rootcint------------------------------------------ |
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add_custom_command(OUTPUT ${dictionary}.cxx ${dictionary}.h |
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COMMAND ${ROOTCINT_EXECUTABLE} -cint -f ${dictionary}.cxx |
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-c ${ARG_OPTIONS} ${includedirs} ${headerfiles} ${linkdefs} |
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DEPENDS ${headerfiles} ${linkdefs} VERBATIM) |
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endfunction() |
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|
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#---------------------------------------------------------------------------- |
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# function REFLEX_GENERATE_DICTIONARY(dictionary |
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# header1 header2 ... |
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# SELECTION selectionfile ... |
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# OPTIONS opt1...) |
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function(REFLEX_GENERATE_DICTIONARY dictionary) |
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CMAKE_PARSE_ARGUMENTS(ARG "" "" "SELECTION;OPTIONS" "" ${ARGN}) |
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#---Get the list of header files------------------------- |
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set(headerfiles) |
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foreach(fp ${ARG_UNPARSED_ARGUMENTS}) |
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file(GLOB files ${fp}) |
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if(files) |
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foreach(f ${files}) |
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set(headerfiles ${headerfiles} ${f}) |
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endforeach() |
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else() |
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set(headerfiles ${headerfiles} ${fp}) |
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endif() |
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endforeach() |
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#---Get Selection file------------------------------------ |
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if(IS_ABSOLUTE ${ARG_SELECTION}) |
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set(selectionfile ${ARG_SELECTION}) |
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else() |
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set(selectionfile ${CMAKE_CURRENT_SOURCE_DIR}/${ARG_SELECTION}) |
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endif() |
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#---Get the list of include directories------------------ |
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get_directory_property(incdirs INCLUDE_DIRECTORIES) |
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set(includedirs) |
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foreach( d ${incdirs}) |
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set(includedirs ${includedirs} -I${d}) |
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endforeach() |
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#---Get preprocessor definitions-------------------------- |
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get_directory_property(defs COMPILE_DEFINITIONS) |
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foreach( d ${defs}) |
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set(definitions ${definitions} -D${d}) |
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endforeach() |
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#---Nanes and others--------------------------------------- |
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set(gensrcdict ${dictionary}.cpp) |
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if(MSVC) |
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set(gccxmlopts "--gccxmlopt=\"--gccxml-compiler cl\"") |
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else() |
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#set(gccxmlopts "--gccxmlopt=\'--gccxml-cxxflags -m64 \'") |
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set(gccxmlopts) |
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endif() |
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#set(rootmapname ${dictionary}Dict.rootmap) |
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#set(rootmapopts --rootmap=${rootmapname} --rootmap-lib=${libprefix}${dictionary}Dict) |
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#---Check GCCXML and get path----------------------------- |
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if(GCCXML) |
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get_filename_component(gccxmlpath ${GCCXML} PATH) |
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else() |
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message(WARNING "GCCXML not found. Install and setup your environment to find 'gccxml' executable") |
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endif() |
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#---Actual command---------------------------------------- |
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add_custom_command(OUTPUT ${gensrcdict} ${rootmapname} |
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COMMAND ${GENREFLEX_EXECUTABLE} ${headerfiles} -o ${gensrcdict} ${gccxmlopts} ${rootmapopts} --select=${selectionfile} |
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--gccxmlpath=${gccxmlpath} ${ARG_OPTIONS} ${includedirs} ${definitions} |
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DEPENDS ${headerfiles} ${selectionfile}) |
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endfunction() |
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