pcbjam/scripts/deps/build-harfbuzz.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

81 lines
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#!/bin/bash
# Build HarfBuzz for WebAssembly
# HarfBuzz is used for text shaping in KiCad
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"
# HarfBuzz requires FreeType
"${SCRIPT_DIR}/build-freetype.sh"
HARFBUZZ_DIR="${DEPS_ROOT}/harfbuzz-${HARFBUZZ_VERSION}"
HARFBUZZ_BUILD="${BUILD_ROOT}/deps/harfbuzz"
HARFBUZZ_STAMP="${BUILD_ROOT}/stamps/harfbuzz.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning HarfBuzz build..."
rm -rf "${HARFBUZZ_BUILD}" "${HARFBUZZ_STAMP}"
fi
# Check if already built
if check_stamp "${HARFBUZZ_STAMP}"; then
log_info "HarfBuzz already built, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${HARFBUZZ_DIR}" ]; then
log_info "Downloading HarfBuzz ${HARFBUZZ_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
HARFBUZZ_URL="https://github.com/harfbuzz/harfbuzz/releases/download/${HARFBUZZ_VERSION}/harfbuzz-${HARFBUZZ_VERSION}.tar.xz"
download_file "${HARFBUZZ_URL}" "harfbuzz-${HARFBUZZ_VERSION}.tar.xz"
tar -xJf "harfbuzz-${HARFBUZZ_VERSION}.tar.xz"
rm "harfbuzz-${HARFBUZZ_VERSION}.tar.xz"
fi
log_info "Building HarfBuzz ${HARFBUZZ_VERSION} for WASM..."
mkdir -p "${HARFBUZZ_BUILD}"
cd "${HARFBUZZ_BUILD}"
# HarfBuzz uses meson, but also has CMake support
emcmake cmake "${HARFBUZZ_DIR}" \
-DCMAKE_BUILD_TYPE=${BUILD_TYPE:-Debug} \
-DCMAKE_INSTALL_PREFIX="${SYSROOT}" \
-DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
-DCMAKE_C_FLAGS="${DEBUG_CFLAGS:--g -O0} -pthread -matomics -mbulk-memory" \
-DCMAKE_CXX_FLAGS="${DEBUG_CFLAGS:--g -O0} -pthread -matomics -mbulk-memory" \
-DHB_HAVE_FREETYPE=ON \
-DHB_HAVE_GLIB=OFF \
-DHB_HAVE_ICU=OFF \
-DHB_HAVE_GOBJECT=OFF \
-DHB_HAVE_CAIRO=OFF \
-DHB_BUILD_UTILS=OFF \
-DHB_BUILD_SUBSET=OFF \
-DBUILD_SHARED_LIBS=OFF \
-DCMAKE_PREFIX_PATH="${SYSROOT}" \
-DFREETYPE_LIBRARY="${SYSROOT}/lib/libfreetype.a" \
-DFREETYPE_INCLUDE_DIRS="${SYSROOT}/include/freetype2"
emmake make -j${JOBS}
emmake make install
create_stamp "${HARFBUZZ_STAMP}"
log_info "HarfBuzz build complete!"