pcbjam/scripts/deps/build-opencascade.sh
Viktor Vaczi d8d934ffca Enable exceptions and pthreads atomics for KiCad WASM build
Build fixes:
- Enable C++ exceptions in wxWidgets (--enable-exceptions, -fexceptions)
  Required for KiCad's OnExceptionInMainLoop override in debug builds
- Add -matomics -mbulk-memory to all dependency builds for shared memory
  Required for pthreads support with Emscripten
- Fix docker/build.sh output copy path (pcbnew/ not bin/)
- Make workspace mount read-only in docker-compose.yml

Updated dependency scripts:
- build-freetype.sh, build-harfbuzz.sh, build-protobuf.sh
- build-zstd.sh, build-opencascade.sh, build-boost.sh
- build-pixman.sh, build-cairo.sh (meson cross-file)
- build-wxuniversal-wasm.sh, build-pcbnew.sh

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2025-12-13 11:29:45 +01:00

98 lines
2.9 KiB
Shell
Executable file

#!/bin/bash
# Build OpenCASCADE Technology (OCCT) for WebAssembly
# OCCT provides 3D geometry kernel for STEP file import/export
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${SCRIPT_DIR}/../common/env.sh"
source "${SCRIPT_DIR}/../common/versions.sh"
source "${SCRIPT_DIR}/../common/functions.sh"
OCC_DIR="${DEPS_ROOT}/opencascade-${OCC_VERSION}"
OCC_BUILD="${BUILD_ROOT}/deps/opencascade"
OCC_STAMP="${BUILD_ROOT}/stamps/opencascade.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning OpenCASCADE build..."
rm -rf "${OCC_BUILD}" "${OCC_STAMP}"
fi
# Check if already built
if check_stamp "${OCC_STAMP}"; then
log_info "OpenCASCADE already built, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${OCC_DIR}" ]; then
log_info "Downloading OpenCASCADE ${OCC_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
# OpenCASCADE releases are on GitHub
OCC_URL="https://github.com/Open-Cascade-SAS/OCCT/archive/refs/tags/V${OCC_VERSION//./_}.tar.gz"
download_file "${OCC_URL}" "opencascade-${OCC_VERSION}.tar.gz"
tar -xzf "opencascade-${OCC_VERSION}.tar.gz"
# Directory name in tarball is OCCT-7_8_0 (without V prefix)
mv "OCCT-${OCC_VERSION//./_}" "opencascade-${OCC_VERSION}"
rm "opencascade-${OCC_VERSION}.tar.gz"
fi
log_info "Building OpenCASCADE ${OCC_VERSION} for WASM..."
log_warn "This is a large library and may take a while..."
mkdir -p "${OCC_BUILD}"
cd "${OCC_BUILD}"
# OpenCASCADE build configuration for WASM
# Disable GUI, visualization that needs X11/OpenGL native
# Enable core geometry and data exchange modules only
emcmake cmake "${OCC_DIR}" \
-DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
-DCMAKE_BUILD_TYPE=${BUILD_TYPE:-Debug} \
-DCMAKE_INSTALL_PREFIX="${SYSROOT}" \
-DCMAKE_CXX_FLAGS="${DEBUG_CFLAGS:--g -O0} -pthread -matomics -mbulk-memory" \
-DCMAKE_C_FLAGS="${DEBUG_CFLAGS:--g -O0} -pthread -matomics -mbulk-memory" \
-DBUILD_LIBRARY_TYPE=Static \
-DBUILD_MODULE_ApplicationFramework=OFF \
-DBUILD_MODULE_Draw=OFF \
-DBUILD_MODULE_Visualization=OFF \
-DBUILD_MODULE_DETools=OFF \
-DBUILD_MODULE_FoundationClasses=ON \
-DBUILD_MODULE_ModelingData=ON \
-DBUILD_MODULE_ModelingAlgorithms=ON \
-DBUILD_MODULE_DataExchange=ON \
-DUSE_FREETYPE=OFF \
-DUSE_FREEIMAGE=OFF \
-DUSE_OPENVR=OFF \
-DUSE_FFMPEG=OFF \
-DUSE_TBB=OFF \
-DUSE_VTK=OFF \
-DUSE_TCL=OFF \
-DUSE_TK=OFF \
-DUSE_GLES2=OFF \
-DUSE_OPENGL=OFF \
-DUSE_D3D=OFF \
-DUSE_RAPIDJSON=OFF \
-DUSE_DRACO=OFF \
-DBUILD_DOC_Overview=OFF \
-DINSTALL_SAMPLES=OFF \
-DINSTALL_TEST_CASES=OFF
emmake make -j${JOBS}
emmake make install
create_stamp "${OCC_STAMP}"
log_info "OpenCASCADE build complete!"