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# Help CMAKE_PARSE_IMPLICIT_LINK_INFO detect NAG Fortran object files.
if(NOT CMAKE_Fortran_COMPILER_WORKS AND NOT CMAKE_Fortran_COMPILER_FORCED)
message(STATUS "Detecting NAG Fortran directory")
# Run with -dryrun to see sample "link" line.
execute_process(
COMMAND ${CMAKE_Fortran_COMPILER} dummy.o -dryrun
OUTPUT_VARIABLE _dryrun
ERROR_VARIABLE _dryrun
)
# Match an object file.
string(REGEX MATCH "/[^ ]*/[^ /][^ /]*\\.o" _nag_obj "${_dryrun}")
if(_nag_obj)
# Parse object directory and convert to a regex.
string(REGEX REPLACE "/[^/]*$" "" _nag_dir "${_nag_obj}")
string(REGEX REPLACE "([][+.*()^])" "\\\\\\1" _nag_regex "${_nag_dir}")
set(CMAKE_Fortran_IMPLICIT_OBJECT_REGEX "^${_nag_regex}/")
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Detecting NAG Fortran directory with -dryrun found\n"
" object: ${_nag_obj}\n"
" directory: ${_nag_dir}\n"
" regex: ${CMAKE_Fortran_IMPLICIT_OBJECT_REGEX}\n"
"from output:\n${_dryrun}\n\n")
message(STATUS "Detecting NAG Fortran directory - ${_nag_dir}")
else()
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Detecting NAG Fortran directory with -dryrun failed:\n${_dryrun}\n\n")
message(STATUS "Detecting NAG Fortran directory - failed")
endif()
endif()
set(CMAKE_Fortran_MODDIR_FLAG "-mdir ")
set(CMAKE_SHARED_LIBRARY_Fortran_FLAGS "-PIC")
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