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e9c984267e
The Numerical Algorithms Group (NAG) Fortran compiler documents -PIC for position-independent code and does not have a separate option for PIE. We added `-PIC` for PIC in commit v2.8.11~174^2 (NAG: Use -PIC for Fortran position-independent code, 2013-02-18). Follow up for PIE. Closes: #16236
37 lines
1.6 KiB
CMake
37 lines
1.6 KiB
CMake
# Help CMAKE_PARSE_IMPLICIT_LINK_INFO detect NAG Fortran object files.
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if(NOT CMAKE_Fortran_COMPILER_WORKS AND NOT CMAKE_Fortran_COMPILER_FORCED)
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message(STATUS "Detecting NAG Fortran directory")
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# Run with -dryrun to see sample "link" line.
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execute_process(
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COMMAND ${CMAKE_Fortran_COMPILER} dummy.o -dryrun
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OUTPUT_VARIABLE _dryrun
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ERROR_VARIABLE _dryrun
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)
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# Match an object file.
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string(REGEX MATCH "/[^ ]*/[^ /][^ /]*\\.o" _nag_obj "${_dryrun}")
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if(_nag_obj)
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# Parse object directory and convert to a regex.
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string(REGEX REPLACE "/[^/]*$" "" _nag_dir "${_nag_obj}")
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string(REGEX REPLACE "([][+.*()^])" "\\\\\\1" _nag_regex "${_nag_dir}")
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set(CMAKE_Fortran_IMPLICIT_OBJECT_REGEX "^${_nag_regex}/")
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
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"Detecting NAG Fortran directory with -dryrun found\n"
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" object: ${_nag_obj}\n"
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" directory: ${_nag_dir}\n"
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" regex: ${CMAKE_Fortran_IMPLICIT_OBJECT_REGEX}\n"
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"from output:\n${_dryrun}\n\n")
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message(STATUS "Detecting NAG Fortran directory - ${_nag_dir}")
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else()
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file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
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"Detecting NAG Fortran directory with -dryrun failed:\n${_dryrun}\n\n")
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message(STATUS "Detecting NAG Fortran directory - failed")
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endif()
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endif()
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set(CMAKE_Fortran_MODDIR_FLAG "-mdir ")
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set(CMAKE_SHARED_LIBRARY_Fortran_FLAGS "-PIC")
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set(CMAKE_Fortran_FORMAT_FIXED_FLAG "-fixed")
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set(CMAKE_Fortran_FORMAT_FREE_FLAG "-free")
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set(CMAKE_Fortran_COMPILE_OPTIONS_PIC "-PIC")
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set(CMAKE_Fortran_COMPILE_OPTIONS_PIE "-PIC")
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