def configure(ctx):
    from os.path import join

    lds_path = join(ctx.env.ARCH_D, "boot.ld")

    ctx.env.append_value('DEFINES_EFI', [
        'KERNEL_FILENAME=L"{}"'.format(ctx.env.KERNEL_FILENAME),
        'GNU_EFI_USE_MS_ABI',
        'HAVE_USE_MS_ABI',
        'EFI_DEBUG=0',
        'EFI_DEBUG_CLEAR_MEMORY=0',
    ])
    ctx.env.append_value('CFLAGS_EFI', ['-fPIC', '-fshort-wchar', '-Wa,--no-warn'])
    ctx.env.append_value('LINKFLAGS_EFI', [
        '-shared',
        '-T', lds_path,
    ])
    ctx.env.append_value('SECTIONS_EFI', [
        "-j .text",
        "-j .sdata",
        "-j .data",
        "-j .dynamic",
        "-j .dynsym",
        "-j .rel",
        "-j .rela",
        "-j .reloc",
    ])

def build(bld):
    sources = bld.path.ant_glob("**/*.c")
    sources += bld.path.ant_glob("**/*.s")

    bld.program(
        source      = sources,
        target      = "boot.elf",
        use         = 'EFI',
    )

    bld(
        rule = "${objcopy} ${SECTIONS_EFI} --target=efi-app-${POPCORN_ARCH} ${SRC} ${TGT}",
        source = "boot.elf",
        target = "boot.efi",
    )


# vim: ft=python et sw=4