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build-all.py - option to build wasm outside pyodide for debugging

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Andrej730
2025-10-16 11:03:29 +05:00
parent 8dafcc6b88
commit 2cfa5201ca
1 changed files with 30 additions and 0 deletions
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nix/build-all.py
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@@ -51,6 +51,13 @@ Used environment variables:
- ``IFCOS_SCHEMAS`` - schemas to be built; defaults to cmake default (IFC2X3; IFC4; IFC4X3_ADD2) - to be supplied as `2x3;4`
- ``USE_OCCT`` - whether to use official Open CASCADE instead of Community Edition
(`true` by default, any other value is considered `false`)
- ``WASM_PYTHON_PATH`` - path to WASM Python installation,
used to deduce `PYMAJOR`, `PYMINOR`, `PYMICRO`, `TARGETINSTALLDIR`, `PYTHONINCLUDE`,
`SIDE_MODULE_CFLAGS`, `SIDE_MODULE_LDFLAGS`.
Allows to build wasm without pyodide build environment, which can be useful for debugging build issues.
Example value: 'pyodide/cpython/installs/python-3.13.2'
- ``WASM_TOOLCHAIN_FILE`` - path to emscripten toolchain file from pyodide ('Emscripten.cmake')
needed only if ``WASM_PYTHON_PATH`` is provided.
- ``ADD_COMMIT_SHA`` - if defined with any non-empty value then
`ADD_COMMIT_SHA` and `VERSION_OVERRIDE` will be set to `ON` while configuring IfcOpenShell
@@ -209,7 +216,27 @@ MAC_CROSS_COMPILE_INTEL = "mac-cross-compile-intel" in flags
assert platform.system() == "Darwin" or not MAC_CROSS_COMPILE_INTEL
WASM = "wasm" in flags
"""Build WASM outside pyodide build environment."""
WASM_DEBUG = False
if WASM:
if "WASM_PYTHON_PATH" in os.environ:
wasm_python_path = os.environ["WASM_PYTHON_PATH"]
# Deduce version from path, assuming format .../python-X.Y.Z
version_match = re.search(r"python-(\d+)\.(\d+)\.(\d+)", wasm_python_path)
if version_match:
os.environ["PYMAJOR"] = version_match.group(1)
os.environ["PYMINOR"] = version_match.group(2)
os.environ["PYMICRO"] = version_match.group(3)
os.environ["TARGETINSTALLDIR"] = wasm_python_path
os.environ["PYTHONINCLUDE"] = (
f"{wasm_python_path}/include/python{os.environ['PYMAJOR']}.{os.environ['PYMINOR']}"
)
os.environ["SIDE_MODULE_CFLAGS"] = ""
# Required, otherwise library will compile as .a, not .so.
os.environ["SIDE_MODULE_LDFLAGS"] = "-s SIDE_MODULE=1"
# We're outside pyodide build environment, so need to provide toolchain file ourselves.
assert "WASM_TOOLCHAIN_FILE" in os.environ, "WASM_TOOLCHAIN_FILE must be set when WASM_PYTHON_PATH is provided"
WASM_DEBUG = True
required_vars = (
"PYMAJOR",
"PYMINOR",
@@ -1408,6 +1435,9 @@ if "IfcOpenShell-Python" in targets:
if "wasm" in flags:
ADDITIONAL_ARGS = "-Wl,-undefined,suppress -sSIDE_MODULE=2"
# Override CMAKE_TOOLCHAIN_FILE because by default emscripten doesn't support building shared binaries.
if WASM_DEBUG:
os.environ["CMAKE_TOOLCHAIN_FILE"] = os.environ["WASM_TOOLCHAIN_FILE"]
# NOTE: We don't use `CXXFLAGS` for wrappers, so wrapper is compiled with different flags
# (e.g. ` -fdata-sections` is missing, which is set by default for executables)