build_package Subroutine

public subroutine build_package(targets, model)

Top-level routine to build package described by model


Type IntentOptional AttributesName
type(build_target_ptr), intent(inout) :: targets(:)
type(fpm_model_t), intent(in) :: model


Source Code


TypeVisibility AttributesNameInitial
logical, public :: build_failed
integer, public :: i
integer, public :: j
type(build_target_ptr), public, allocatable:: queue(:)
integer, public, allocatable:: schedule_ptr(:)
logical, public :: skip_current
integer, public, allocatable:: stat(:)

Source Code

subroutine build_package(targets,model)
    type(build_target_ptr), intent(inout) :: targets(:)
    type(fpm_model_t), intent(in) :: model

    integer :: i, j
    type(build_target_ptr), allocatable :: queue(:)
    integer, allocatable :: schedule_ptr(:), stat(:)
    logical :: build_failed, skip_current

    ! Need to make output directory for include (mod) files
    if (.not.exists(join_path(model%output_directory,model%package_name))) then
        call mkdir(join_path(model%output_directory,model%package_name))
    end if

    ! Perform depth-first topological sort of targets
    do i=1,size(targets)

        call sort_target(targets(i)%ptr)

    end do

    ! Construct build schedule queue
    call schedule_targets(queue, schedule_ptr, targets)

    ! Initialise build status flags
    stat(:) = 0
    build_failed = .false.

    ! Loop over parallel schedule regions
    do i=1,size(schedule_ptr)-1

        ! Build targets in schedule region i
        !$omp parallel do default(shared) private(skip_current) schedule(dynamic,1)
        do j=schedule_ptr(i),(schedule_ptr(i+1)-1)

            ! Check if build already failed
            !$omp atomic read
            skip_current = build_failed

            if (.not.skip_current) then
                call build_target(model,queue(j)%ptr,stat(j))
            end if

            ! Set global flag if this target failed to build
            if (stat(j) /= 0) then
                !$omp atomic write
                build_failed = .true.
            end if

        end do

        ! Check if this schedule region failed: exit with message if failed
        if (build_failed) then
            do j=1,size(stat)
                if (stat(j) /= 0) then
                    write(stderr,'(*(g0:,1x))') '<ERROR> Compilation failed for object "',basename(queue(j)%ptr%output_file),'"'
                end if
            end do
            call fpm_stop(1,'stopping due to failed compilation')
        end if

    end do

end subroutine build_package