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248 lines
9.1 KiB
248 lines
9.1 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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# This is used internally by CMake and should not be included by user code.
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# helper function that parses implicit include dirs from a single line
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# for compilers that report them that way. on success we return the
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# list of dirs in id_var and set state_var to the 'done' state.
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function(cmake_parse_implicit_include_line line lang id_var log_var state_var)
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# clear variables we append to (avoids possible polution from parent scopes)
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unset(rv)
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set(log "")
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# Cray compiler (from cray wrapper, via PrgEnv-cray)
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if("${CMAKE_${lang}_COMPILER_ID}" STREQUAL "Cray" AND
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"${line}" MATCHES "^/" AND "${line}" MATCHES "/ccfe |/ftnfe " AND
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"${line}" MATCHES " -isystem| -I")
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string(REGEX MATCHALL " (-I ?|-isystem )(\"[^\"]+\"|[^ \"]+)" incs "${line}")
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foreach(inc IN LISTS incs)
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string(REGEX REPLACE " (-I ?|-isystem )(\"[^\"]+\"|[^ \"]+)" "\\2" idir "${inc}")
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list(APPEND rv "${idir}")
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endforeach()
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if(rv)
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string(APPEND log " got implicit includes via cray ccfe parser!\n")
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else()
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string(APPEND log " warning: cray ccfe parse failed!\n")
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endif()
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endif()
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# PGI compiler
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if("${CMAKE_${lang}_COMPILER_ID}" STREQUAL "PGI")
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# pgc++ verbose output differs
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if(("${lang}" STREQUAL "C" OR "${lang}" STREQUAL "Fortran") AND
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"${line}" MATCHES "^/" AND
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"${line}" MATCHES "/pgc |/pgf901 |/pgftnc " AND
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"${line}" MATCHES " -cmdline ")
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# cmdline has unparsed cmdline, remove it
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string(REGEX REPLACE "-cmdline .*" "" line "${line}")
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if("${line}" MATCHES " -nostdinc ")
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set(rv "") # defined, but empty
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else()
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string(REGEX MATCHALL " -stdinc ([^ ]*)" incs "${line}")
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foreach(inc IN LISTS incs)
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string(REGEX REPLACE " -stdinc ([^ ]*)" "\\1" idir "${inc}")
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string(REPLACE ":" ";" idir "${idir}")
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list(APPEND rv ${idir})
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endforeach()
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endif()
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if(DEFINED rv)
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string(APPEND log " got implicit includes via PGI C/F parser!\n")
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else()
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string(APPEND log " warning: PGI C/F parse failed!\n")
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endif()
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elseif("${lang}" STREQUAL "CXX" AND "${line}" MATCHES "^/" AND
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"${line}" MATCHES "/pggpp1 " AND "${line}" MATCHES " -I")
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# oddly, -Mnostdinc does not get rid of system -I's, at least in
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# PGI 18.10.1 ...
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string(REGEX MATCHALL " (-I ?)([^ ]*)" incs "${line}")
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foreach(inc IN LISTS incs)
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string(REGEX REPLACE " (-I ?)([^ ]*)" "\\2" idir "${inc}")
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if(NOT "${idir}" STREQUAL "-") # filter out "-I-"
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list(APPEND rv "${idir}")
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endif()
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endforeach()
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if(DEFINED rv)
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string(APPEND log " got implicit includes via PGI CXX parser!\n")
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else()
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string(APPEND log " warning: PGI CXX parse failed!\n")
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endif()
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endif()
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endif()
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# SunPro compiler
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if("${CMAKE_${lang}_COMPILER_ID}" STREQUAL "SunPro" AND
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("${line}" MATCHES "-D__SUNPRO_C" OR "${line}" MATCHES "-D__SUNPRO_F") )
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string(REGEX MATCHALL " (-I ?)([^ ]*)" incs "${line}")
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foreach(inc IN LISTS incs)
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string(REGEX REPLACE " (-I ?)([^ ]*)" "\\2" idir "${inc}")
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if(NOT "${idir}" STREQUAL "-xbuiltin")
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list(APPEND rv "${idir}")
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endif()
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endforeach()
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if(rv)
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if ("${lang}" STREQUAL "C" OR "${lang}" STREQUAL "CXX")
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# /usr/include appears to be hardwired in
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list(APPEND rv "/usr/include")
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endif()
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string(APPEND log " got implicit includes via sunpro parser!\n")
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else()
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string(APPEND log " warning: sunpro parse failed!\n")
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endif()
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endif()
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# XL compiler
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if(("${CMAKE_${lang}_COMPILER_ID}" STREQUAL "XL"
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OR "${CMAKE_${lang}_COMPILER_ID}" STREQUAL "XLClang")
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AND "${line}" MATCHES "^/"
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AND ( ("${lang}" STREQUAL "Fortran" AND
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"${line}" MATCHES "/xl[fF]entry " AND
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"${line}" MATCHES "OSVAR\\([^ ]+\\)")
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OR
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( ("${lang}" STREQUAL "C" OR "${lang}" STREQUAL "CXX") AND
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"${line}" MATCHES "/xl[cC]2?entry " AND
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"${line}" MATCHES " -qosvar=")
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) )
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# -qnostdinc cancels other stdinc flags, even if present
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string(FIND "${line}" " -qnostdinc" nostd)
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if(NOT ${nostd} EQUAL -1)
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set(rv "") # defined but empty
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string(APPEND log " got implicit includes via XL parser (nostdinc)\n")
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else()
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if("${lang}" STREQUAL "CXX")
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string(REGEX MATCHALL " -qcpp_stdinc=([^ ]*)" std "${line}")
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string(REGEX MATCHALL " -qgcc_cpp_stdinc=([^ ]*)" gcc_std "${line}")
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else()
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string(REGEX MATCHALL " -qc_stdinc=([^ ]*)" std "${line}")
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string(REGEX MATCHALL " -qgcc_c_stdinc=([^ ]*)" gcc_std "${line}")
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endif()
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set(xlstd ${std} ${gcc_std})
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foreach(inc IN LISTS xlstd)
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string(REGEX REPLACE " -q(cpp|gcc_cpp|c|gcc_c)_stdinc=([^ ]*)" "\\2"
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ipath "${inc}")
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string(REPLACE ":" ";" ipath "${ipath}")
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list(APPEND rv ${ipath})
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endforeach()
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endif()
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# user can add -I flags via CMAKE_{C,CXX}_FLAGS, look for that too
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string(REGEX MATCHALL " (-I ?)([^ ]*)" incs "${line}")
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unset(urv)
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foreach(inc IN LISTS incs)
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string(REGEX REPLACE " (-I ?)([^ ]*)" "\\2" idir "${inc}")
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list(APPEND urv "${idir}")
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endforeach()
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if(urv)
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if ("${rv}" STREQUAL "")
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set(rv ${urv})
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else()
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list(APPEND rv ${urv})
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endif()
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endif()
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if(DEFINED rv)
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string(APPEND log " got implicit includes via XL parser!\n")
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else()
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string(APPEND log " warning: XL parse failed!\n")
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endif()
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endif()
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if(log)
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set(${log_var} "${log}" PARENT_SCOPE)
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else()
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unset(${log_var} PARENT_SCOPE)
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endif()
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if(DEFINED rv)
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set(${id_var} "${rv}" PARENT_SCOPE)
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set(${state_var} "done" PARENT_SCOPE)
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endif()
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endfunction()
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# top-level function to parse implicit include directory information
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# from verbose compiler output. sets state_var in parent to 'done' on success.
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function(cmake_parse_implicit_include_info text lang dir_var log_var state_var)
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set(state start) # values: start, loading, done
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# clear variables we append to (avoids possible polution from parent scopes)
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set(implicit_dirs_tmp)
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set(log "")
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# go through each line of output...
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string(REGEX REPLACE "\r*\n" ";" output_lines "${text}")
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foreach(line IN LISTS output_lines)
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if(state STREQUAL start)
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string(FIND "${line}" "#include \"...\" search starts here:" rv)
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if(rv GREATER -1)
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set(state loading)
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set(preload 1) # looking for include <...> now
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string(APPEND log " found start of include info\n")
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else()
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cmake_parse_implicit_include_line("${line}" "${lang}" implicit_dirs_tmp
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linelog state)
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if(linelog)
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string(APPEND log ${linelog})
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endif()
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if(state STREQUAL done)
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break()
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endif()
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endif()
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elseif(state STREQUAL loading)
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string(FIND "${line}" "End of search list." rv)
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if(rv GREATER -1)
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set(state done)
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string(APPEND log " end of search list found\n")
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break()
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endif()
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if(preload)
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string(FIND "${line}" "#include <...> search starts here:" rv)
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if(rv GREATER -1)
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set(preload 0)
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string(APPEND log " found start of implicit include info\n")
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endif()
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continue()
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endif()
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if("${line}" MATCHES "^ ")
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string(SUBSTRING "${line}" 1 -1 line) # remove leading space
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endif()
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if ("${line}" MATCHES " \\(framework directory\\)$")
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continue() # frameworks are handled elsewhere, ignore them here
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endif()
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string(REPLACE "\\" "/" path "${line}")
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list(APPEND implicit_dirs_tmp "${path}")
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string(APPEND log " add: [${path}]\n")
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endif()
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endforeach()
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set(implicit_dirs "")
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foreach(d IN LISTS implicit_dirs_tmp)
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if(IS_ABSOLUTE "${d}")
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get_filename_component(dir "${d}" ABSOLUTE)
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list(APPEND implicit_dirs "${dir}")
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string(APPEND log " collapse include dir [${d}] ==> [${dir}]\n")
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elseif("${d}" MATCHES [[^\.\.[\/]\.\.[\/](.*)$]])
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# This relative path is deep enough to get out of the CMakeFiles/CMakeTmp
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# directory where the ABI check is done. Assume that the compiler has
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# computed this path adaptively based on the current working directory
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# such that the effective result is absolute.
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get_filename_component(dir "${CMAKE_BINARY_DIR}/${CMAKE_MATCH_1}" ABSOLUTE)
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list(APPEND implicit_dirs "${dir}")
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string(APPEND log " collapse relative include dir [${d}] ==> [${dir}]\n")
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else()
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string(APPEND log " skipping relative include dir [${d}]\n")
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endif()
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endforeach()
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list(REMOVE_DUPLICATES implicit_dirs)
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# Log results.
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if(state STREQUAL done)
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string(APPEND log " implicit include dirs: [${implicit_dirs}]\n")
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else()
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string(APPEND log " warn: unable to parse implicit include dirs!\n")
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endif()
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# Return results.
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set(${dir_var} "${implicit_dirs}" PARENT_SCOPE)
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set(${log_var} "${log}" PARENT_SCOPE)
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set(${state_var} "${state}" PARENT_SCOPE)
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endfunction()
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