# Commonly used helpers.

def autotools_configure(ctx, extra_args = [], extra_env = {}):
    env = {
        "CFLAGS": options.cflags,
        "CXXFLAGS": options.cxxflags,
        "LDFLAGS": options.ldflags,
    }
    env.update(extra_env)
    ctx.run([
        ctx.source_dir / "configure",
        "--host=" + options.target_triple,
        "--with-sysroot=" + ctx.sysroot,
        "--prefix=" + ctx.prefix,
        "--sysconfdir=/etc",
        "--localstatedir=/var",
        "--bindir=" + ctx.prefix / "bin",
        "--sbindir=" + ctx.prefix / "bin",
        "--libdir=" + ctx.prefix / "lib",
        "--disable-static",
        "--enable-shared",
    ] + extra_args, env = env)

def autotools_build(ctx, extra_args = []):
    ctx.run(["make", "-j" + str(ctx.jobs)] + extra_args)

def autotools_install(ctx, pkg, extra_args = []):
    ctx.run(["make", "install", "DESTDIR=" + pkg.dest_dir] + extra_args)

def autotools(configure_args = [], configure_env = {}, build_args = [], install_args = []):
    def _configure(ctx):
        autotools_configure(ctx, extra_args = configure_args, extra_env = configure_env)
    def _build(ctx):
        autotools_build(ctx, extra_args = build_args)
    def _install(ctx, pkg):
        autotools_install(ctx, pkg, extra_args = install_args)
    return _configure, _build, _install

def host_autotools_configure(ctx, extra_args = [], extra_env = {}):
    env = {
        "CFLAGS": options.host_cflags,
        "CXXFLAGS": options.host_cxxflags,
        "LDFLAGS": options.host_ldflags,
    }
    env.update(extra_env)
    ctx.run([
        ctx.source_dir / "configure",
        "--prefix=" + ctx.prefix,
        "--sysconfdir=/etc",
        "--localstatedir=/var",
        "--disable-nls",
    ] + extra_args, env = env)

def host_autotools(configure_args = [], configure_env = {}, build_args = [], install_args = []):
    def _configure(ctx):
        host_autotools_configure(ctx, extra_args = configure_args, extra_env = configure_env)
    def _build(ctx):
        autotools_build(ctx, extra_args = build_args)
    def _install(ctx, pkg):
        autotools_install(ctx, pkg, extra_args = install_args)
    return _configure, _build, _install

def cmake_configure(ctx, extra_args = [], extra_env = {}, host = False):
    if host:
        env = {
            "CFLAGS": options.host_cflags,
            "CXXFLAGS": options.host_cxxflags,
            "LDFLAGS": options.host_ldflags,
        }
        toolchain_args = []
    else:
        env = {
            "CFLAGS": options.cflags,
            "CXXFLAGS": options.cxxflags,
            "LDFLAGS": options.ldflags,
        }
        toolchain_args = [
            "-DCMAKE_SYSTEM_NAME=Linux",
            "-DCMAKE_SYSTEM_PROCESSOR=" + options.target_arch,
            "-DCMAKE_SYSROOT=" + ctx.sysroot,
            "-DCMAKE_C_COMPILER=" + options.target_triple + "-gcc",
            "-DCMAKE_CXX_COMPILER=" + options.target_triple + "-g++",
            "-DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER",
            "-DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY",
            "-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY",
            "-DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ONLY",
        ]
    env.update(extra_env)
    ctx.run([
        "cmake",
        "-S", ctx.source_dir,
        "-B", ctx.build_dir,
        "-G", "Ninja",
        "-DCMAKE_BUILD_TYPE=Release",
        "-DCMAKE_INSTALL_PREFIX=" + ctx.prefix,
        "-DCMAKE_INSTALL_SYSCONFDIR=/etc",
        "-DCMAKE_INSTALL_LOCALSTATEDIR=/var",
    ] + toolchain_args + extra_args, env = env)

def cmake_build(ctx, extra_args = []):
    ctx.run(["cmake", "--build", ctx.build_dir, "-j", str(ctx.jobs)] + extra_args)

def cmake_install(ctx, pkg, extra_args = []):
    ctx.run(
        ["cmake", "--install", ctx.build_dir] + extra_args,
        env = {"DESTDIR": pkg.dest_dir},
    )

def cmake(configure_args = [], configure_env = {}, build_args = [], install_args = [], host = False):
    def _configure(ctx):
        cmake_configure(ctx, extra_args = configure_args, extra_env = configure_env, host = host)
    def _build(ctx):
        cmake_build(ctx, extra_args = build_args)
    def _install(ctx, pkg):
        cmake_install(ctx, pkg, extra_args = install_args)
    return _configure, _build, _install