COMPILER_OPTIONS — Options passed to the compiler ¶COMPILER_OPTIONS returns a string with the options used for
compiling.
Fortran 2008
Inquiry function of the module ISO_FORTRAN_ENV
STR = COMPILER_OPTIONS()
None
The return value is a default-kind string with system-dependent length.
It contains the compiler flags used to compile the file, which called
the COMPILER_OPTIONS intrinsic.
use iso_fortran_env
print '(4a)', 'This file was compiled by ', &
compiler_version(), ' using the options ', &
compiler_options()
end