def nasm_sources(target: str):
    if target.startswith('x86_64'):
        return ["nasmsrc.asm"]
    return ["fallback.c"]

def nasm_defines(target: str):
    if target.startswith('x86_64') and ('-windows-' in target or target.endswith('-windows')):
        return ['WIN64']
    return []

nasmobjs = add_object_library(
    name = "nasmobjs",
    sources = [],
    include_dirs_public = ["."],
    generator_vars = lambda ctx: generator_vars(
        sources = nasm_sources(ctx.c_compiler.target_triple),
        defines = nasm_defines(ctx.c_compiler.target_triple),
    ),
)