COMPILER_OPTIONS — Options passed to the compilerCOMPILER_OPTIONS returns a string with the options used for
compiling.
ISO_FORTRAN_ENV
STR = COMPILER_OPTIONS()
COMPILER_OPTIONS intrinsic.
use iso_fortran_env
print '(4a)', 'This file was compiled by ', &
compiler_version(), ' using the options ', &
compiler_options()
end