diff options
Diffstat (limited to 'Tools/wasm/emscripten/__main__.py')
| -rw-r--r-- | Tools/wasm/emscripten/__main__.py | 64 |
1 files changed, 53 insertions, 11 deletions
diff --git a/Tools/wasm/emscripten/__main__.py b/Tools/wasm/emscripten/__main__.py index 6843b6f..4a53e0b 100644 --- a/Tools/wasm/emscripten/__main__.py +++ b/Tools/wasm/emscripten/__main__.py @@ -9,6 +9,7 @@ import subprocess import sys import sysconfig import tempfile +from urllib.request import urlopen from pathlib import Path from textwrap import dedent @@ -22,9 +23,13 @@ EMSCRIPTEN_DIR = Path(__file__).parent CHECKOUT = EMSCRIPTEN_DIR.parent.parent.parent CROSS_BUILD_DIR = CHECKOUT / "cross-build" -BUILD_DIR = CROSS_BUILD_DIR / "build" +NATIVE_BUILD_DIR = CROSS_BUILD_DIR / "build" HOST_TRIPLE = "wasm32-emscripten" -HOST_DIR = CROSS_BUILD_DIR / HOST_TRIPLE + +DOWNLOAD_DIR = CROSS_BUILD_DIR / HOST_TRIPLE / "build" +HOST_BUILD_DIR = CROSS_BUILD_DIR / HOST_TRIPLE / "build" +HOST_DIR = HOST_BUILD_DIR / "python" +PREFIX_DIR = CROSS_BUILD_DIR / HOST_TRIPLE / "prefix" LOCAL_SETUP = CHECKOUT / "Modules" / "Setup.local" LOCAL_SETUP_MARKER = "# Generated by Tools/wasm/emscripten.py\n".encode("utf-8") @@ -118,16 +123,16 @@ def build_platform(): def build_python_path(): """The path to the build Python binary.""" - binary = BUILD_DIR / "python" + binary = NATIVE_BUILD_DIR / "python" if not binary.is_file(): binary = binary.with_suffix(".exe") if not binary.is_file(): - raise FileNotFoundError("Unable to find `python(.exe)` in " f"{BUILD_DIR}") + raise FileNotFoundError("Unable to find `python(.exe)` in " f"{NATIVE_BUILD_DIR}") return binary -@subdir(BUILD_DIR, clean_ok=True) +@subdir(NATIVE_BUILD_DIR, clean_ok=True) def configure_build_python(context, working_dir): """Configure the build/host Python.""" if LOCAL_SETUP.exists(): @@ -143,7 +148,7 @@ def configure_build_python(context, working_dir): call(configure, quiet=context.quiet) -@subdir(BUILD_DIR) +@subdir(NATIVE_BUILD_DIR) def make_build_python(context, working_dir): """Make/build the build Python.""" call(["make", "--jobs", str(cpu_count()), "all"], quiet=context.quiet) @@ -159,6 +164,23 @@ def make_build_python(context, working_dir): print(f"🎉 {binary} {version}") +@subdir(HOST_BUILD_DIR, clean_ok=True) +def make_emscripten_libffi(context, working_dir): + shutil.rmtree(working_dir / "libffi-3.4.6", ignore_errors=True) + with tempfile.NamedTemporaryFile(suffix=".tar.gz") as tmp_file: + with urlopen( + "https://github.com/libffi/libffi/releases/download/v3.4.6/libffi-3.4.6.tar.gz" + ) as response: + shutil.copyfileobj(response, tmp_file) + shutil.unpack_archive(tmp_file.name, working_dir) + call( + [EMSCRIPTEN_DIR / "make_libffi.sh"], + env=updated_env({"PREFIX": PREFIX_DIR}), + cwd=working_dir / "libffi-3.4.6", + quiet=context.quiet, + ) + + @subdir(HOST_DIR, clean_ok=True) def configure_emscripten_python(context, working_dir): """Configure the emscripten/host build.""" @@ -168,7 +190,7 @@ def configure_emscripten_python(context, working_dir): emscripten_build_dir = working_dir.relative_to(CHECKOUT) - python_build_dir = BUILD_DIR / "build" + python_build_dir = NATIVE_BUILD_DIR / "build" lib_dirs = list(python_build_dir.glob("lib.*")) assert ( len(lib_dirs) == 1 @@ -183,12 +205,18 @@ def configure_emscripten_python(context, working_dir): sysconfig_data += "-pydebug" host_runner = context.host_runner - env_additions = {"CONFIG_SITE": config_site, "HOSTRUNNER": host_runner} + pkg_config_path_dir = (PREFIX_DIR / "lib/pkgconfig/").resolve() + env_additions = { + "CONFIG_SITE": config_site, + "HOSTRUNNER": host_runner, + "EM_PKG_CONFIG_PATH": str(pkg_config_path_dir), + } build_python = os.fsdecode(build_python_path()) configure = [ "emconfigure", os.path.relpath(CHECKOUT / "configure", working_dir), "CFLAGS=-DPY_CALL_TRAMPOLINE -sUSE_BZIP2", + "PKG_CONFIG=pkg-config", f"--host={HOST_TRIPLE}", f"--build={build_platform()}", f"--with-build-python={build_python}", @@ -197,7 +225,7 @@ def configure_emscripten_python(context, working_dir): "--disable-ipv6", "--enable-big-digits=30", "--enable-wasm-dynamic-linking", - f"--prefix={HOST_DIR}", + f"--prefix={PREFIX_DIR}", ] if pydebug: configure.append("--with-pydebug") @@ -264,6 +292,7 @@ def build_all(context): steps = [ configure_build_python, make_build_python, + make_emscripten_libffi, configure_emscripten_python, make_emscripten_python, ] @@ -292,6 +321,9 @@ def main(): configure_build = subcommands.add_parser( "configure-build-python", help="Run `configure` for the " "build Python" ) + make_libffi_cmd = subcommands.add_parser( + "make-libffi", help="Clone libffi repo, configure and build it for emscripten" + ) make_build = subcommands.add_parser( "make-build-python", help="Run `make` for the build Python" ) @@ -299,11 +331,20 @@ def main(): "configure-host", help="Run `configure` for the host/emscripten (pydebug builds are inferred from the build Python)", ) - make_host = subcommands.add_parser("make-host", help="Run `make` for the host/emscripten") + make_host = subcommands.add_parser( + "make-host", help="Run `make` for the host/emscripten" + ) clean = subcommands.add_parser( "clean", help="Delete files and directories created by this script" ) - for subcommand in build, configure_build, make_build, configure_host, make_host: + for subcommand in ( + build, + configure_build, + make_libffi_cmd, + make_build, + configure_host, + make_host, + ): subcommand.add_argument( "--quiet", action="store_true", @@ -336,6 +377,7 @@ def main(): context = parser.parse_args() dispatch = { + "make-libffi": make_emscripten_libffi, "configure-build-python": configure_build_python, "make-build-python": make_build_python, "configure-host": configure_emscripten_python, |