GNU Fortran attempts to be OpenMP Application Program Interface v2.5
compatible when invoked with the -fopenmp option. GNU Fortran
then generates parallelized code according to the OpenMP directives
used in the source. The OpenMP Fortran runtime library
routines are provided both in a form of a Fortran 90 module named
omp_lib and in a form of a Fortran
include file named
For details refer to the actual OpenMP Application Program Interface v2.5 specification.