Add KiCad WASM build infrastructure and dependency scripts

- Add build environment setup (scripts/common/env.sh, versions.sh, functions.sh)
- Add dependency build scripts for Zstd, GLM, FreeType, HarfBuzz, Pixman, Cairo
- Add placeholder scripts for OpenCASCADE, ngspice, protobuf
- Add WASM compatibility layer (wasm/kiplatform/, wasm/libcontext/)
- Add CMake modules for KiCad WASM cross-compilation
- Add PCBnew test infrastructure (tests/kicad/)
- Add build plan documentation

Successfully tested builds: Zstd 1.5.5, GLM 0.9.9.8, FreeType 2.13.2,
HarfBuzz 8.3.0, Pixman 0.42.2, Cairo 1.18.0

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

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Viktor Vaczi 2025-12-04 13:15:04 +01:00
commit 3034d9d76f
36 changed files with 3708 additions and 0 deletions

71
scripts/deps/build-all-deps.sh Executable file
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#!/bin/bash
# Build all KiCad dependencies for WebAssembly
# This script builds dependencies in the correct order
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
source "${SCRIPT_DIR}/../common/env.sh"
source "${SCRIPT_DIR}/../common/functions.sh"
log_info "Building all KiCad dependencies for WASM..."
log_info "Using ${JOBS} parallel jobs"
# Parse arguments
CLEAN=""
WITH_OCC=0
WITH_NGSPICE=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN="--clean"
;;
--with-occ)
WITH_OCC=1
;;
--with-ngspice)
WITH_NGSPICE=1
;;
--all)
WITH_OCC=1
WITH_NGSPICE=1
;;
esac
done
# Build dependencies in order
# 1. Header-only libraries (no dependencies)
log_info "=== Phase 1: Header-only libraries ==="
"${SCRIPT_DIR}/build-glm.sh" ${CLEAN}
# 2. Basic libraries (minimal dependencies)
log_info "=== Phase 2: Basic compression/serialization ==="
"${SCRIPT_DIR}/build-zstd.sh" ${CLEAN}
"${SCRIPT_DIR}/build-protobuf.sh" ${CLEAN}
# 3. Font rendering stack
log_info "=== Phase 3: Font rendering ==="
"${SCRIPT_DIR}/build-freetype.sh" ${CLEAN}
"${SCRIPT_DIR}/build-harfbuzz.sh" ${CLEAN}
# 4. Graphics stack (optional, for Cairo rendering)
log_info "=== Phase 4: Graphics libraries ==="
"${SCRIPT_DIR}/build-pixman.sh" ${CLEAN}
"${SCRIPT_DIR}/build-cairo.sh" ${CLEAN}
# 5. Optional heavy dependencies
if [ $WITH_OCC -eq 1 ]; then
log_info "=== Phase 5a: OpenCASCADE (3D/STEP support) ==="
"${SCRIPT_DIR}/build-opencascade.sh" ${CLEAN}
fi
if [ $WITH_NGSPICE -eq 1 ]; then
log_info "=== Phase 5b: ngspice (SPICE simulation) ==="
"${SCRIPT_DIR}/build-ngspice.sh" ${CLEAN}
fi
log_info "============================================"
log_info "All dependencies built successfully!"
log_info "Install prefix: ${SYSROOT}"
log_info "============================================"

111
scripts/deps/build-cairo.sh Executable file
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#!/bin/bash
# Build Cairo for WebAssembly
# Cairo provides 2D graphics rendering
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"
# Cairo requires Pixman and FreeType
"${SCRIPT_DIR}/build-pixman.sh"
"${SCRIPT_DIR}/build-freetype.sh"
CAIRO_DIR="${DEPS_ROOT}/cairo-${CAIRO_VERSION}"
CAIRO_BUILD="${BUILD_ROOT}/deps/cairo"
CAIRO_STAMP="${BUILD_ROOT}/stamps/cairo.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning Cairo build..."
rm -rf "${CAIRO_BUILD}" "${CAIRO_STAMP}"
fi
# Check if already built
if check_stamp "${CAIRO_STAMP}"; then
log_info "Cairo already built, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${CAIRO_DIR}" ]; then
log_info "Downloading Cairo ${CAIRO_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
CAIRO_URL="https://cairographics.org/releases/cairo-${CAIRO_VERSION}.tar.xz"
download_file "${CAIRO_URL}" "cairo-${CAIRO_VERSION}.tar.xz"
tar -xJf "cairo-${CAIRO_VERSION}.tar.xz"
rm "cairo-${CAIRO_VERSION}.tar.xz"
fi
log_info "Building Cairo ${CAIRO_VERSION} for WASM..."
mkdir -p "${CAIRO_BUILD}"
cd "${CAIRO_BUILD}"
# Cairo uses meson
cat > cross-file.txt << EOF
[binaries]
c = 'emcc'
cpp = 'em++'
ar = 'emar'
ranlib = 'emranlib'
strip = 'emstrip'
pkgconfig = 'pkg-config'
[host_machine]
system = 'emscripten'
cpu_family = 'wasm32'
cpu = 'wasm32'
endian = 'little'
[properties]
# Prevent finding system libraries when cross-compiling
sys_root = '${SYSROOT}'
pkg_config_libdir = '${SYSROOT}/lib/pkgconfig'
[built-in options]
c_args = ['-pthread', '-I${SYSROOT}/include', '-I${SYSROOT}/include/freetype2', '-I${SYSROOT}/include/pixman-1']
c_link_args = ['-pthread', '-L${SYSROOT}/lib']
pkg_config_path = '${SYSROOT}/lib/pkgconfig'
EOF
# Set PKG_CONFIG_PATH for dependency discovery
# Use LIBDIR to ONLY search our sysroot, preventing system lzo2 from being found
export PKG_CONFIG_LIBDIR="${SYSROOT}/lib/pkgconfig"
unset PKG_CONFIG_PATH
meson setup "${CAIRO_DIR}" \
--cross-file cross-file.txt \
--prefix="${SYSROOT}" \
--default-library=static \
-Dfontconfig=disabled \
-Dfreetype=enabled \
-Dglib=disabled \
-Dpng=disabled \
-Dxlib=disabled \
-Dxcb=disabled \
-Dzlib=enabled \
-Dtests=disabled \
-Dspectre=disabled \
-Dsymbol-lookup=disabled
JOBS=${JOBS:-$(sysctl -n hw.ncpu 2>/dev/null || nproc 2>/dev/null || echo 4)}
ninja -j${JOBS}
ninja install
create_stamp "${CAIRO_STAMP}"
log_info "Cairo build complete!"

70
scripts/deps/build-freetype.sh Executable file
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#!/bin/bash
# Build FreeType for WebAssembly
# FreeType is required for font rendering
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"
FREETYPE_DIR="${DEPS_ROOT}/freetype-${FREETYPE_VERSION}"
FREETYPE_BUILD="${BUILD_ROOT}/deps/freetype"
FREETYPE_STAMP="${BUILD_ROOT}/stamps/freetype.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning FreeType build..."
rm -rf "${FREETYPE_BUILD}" "${FREETYPE_STAMP}"
fi
# Check if already built
if check_stamp "${FREETYPE_STAMP}"; then
log_info "FreeType already built, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${FREETYPE_DIR}" ]; then
log_info "Downloading FreeType ${FREETYPE_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
FREETYPE_URL="https://download.savannah.gnu.org/releases/freetype/freetype-${FREETYPE_VERSION}.tar.xz"
download_file "${FREETYPE_URL}" "freetype-${FREETYPE_VERSION}.tar.xz"
tar -xJf "freetype-${FREETYPE_VERSION}.tar.xz"
rm "freetype-${FREETYPE_VERSION}.tar.xz"
fi
log_info "Building FreeType ${FREETYPE_VERSION} for WASM..."
mkdir -p "${FREETYPE_BUILD}"
cd "${FREETYPE_BUILD}"
emcmake cmake "${FREETYPE_DIR}" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX="${SYSROOT}" \
-DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
-DFT_DISABLE_BZIP2=ON \
-DFT_DISABLE_BROTLI=ON \
-DFT_DISABLE_HARFBUZZ=ON \
-DFT_DISABLE_PNG=ON \
-DFT_DISABLE_ZLIB=OFF \
-DBUILD_SHARED_LIBS=OFF
emmake make -j${JOBS}
emmake make install
create_stamp "${FREETYPE_STAMP}"
log_info "FreeType build complete!"

57
scripts/deps/build-glm.sh Executable file
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#!/bin/bash
# Install GLM headers for WebAssembly
# GLM is a header-only math library
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"
GLM_DIR="${DEPS_ROOT}/glm-${GLM_VERSION}"
GLM_STAMP="${BUILD_ROOT}/stamps/glm.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning GLM install..."
rm -rf "${GLM_STAMP}"
fi
# Check if already installed
if check_stamp "${GLM_STAMP}"; then
log_info "GLM already installed, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${GLM_DIR}" ]; then
log_info "Downloading GLM ${GLM_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
GLM_URL="https://github.com/g-truc/glm/releases/download/${GLM_VERSION}/glm-${GLM_VERSION}.zip"
download_file "${GLM_URL}" "glm-${GLM_VERSION}.zip"
unzip -q "glm-${GLM_VERSION}.zip"
mv glm "glm-${GLM_VERSION}"
rm "glm-${GLM_VERSION}.zip"
fi
log_info "Installing GLM ${GLM_VERSION} headers..."
# GLM is header-only, just copy headers
mkdir -p "${SYSROOT}/include"
cp -r "${GLM_DIR}/glm" "${SYSROOT}/include/"
create_stamp "${GLM_STAMP}"
log_info "GLM install complete!"

79
scripts/deps/build-harfbuzz.sh Executable file
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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=Release \
-DCMAKE_INSTALL_PREFIX="${SYSROOT}" \
-DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
-DHB_HAVE_FREETYPE=ON \
-DHB_HAVE_GLIB=OFF \
-DHB_HAVE_ICU=OFF \
-DHB_HAVE_GOBJECT=OFF \
-DHB_HAVE_CAIRO=OFF \
-DHB_BUILD_UTILS=OFF \
-DHB_BUILD_SUBSET=OFF \
-DBUILD_SHARED_LIBS=OFF \
-DCMAKE_PREFIX_PATH="${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!"

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scripts/deps/build-ngspice.sh Executable file
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#!/bin/bash
# Build ngspice for WebAssembly
# ngspice provides SPICE simulation for KiCad's Eeschema
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"
NGSPICE_DIR="${DEPS_ROOT}/ngspice-${NGSPICE_VERSION}"
NGSPICE_BUILD="${BUILD_ROOT}/deps/ngspice"
NGSPICE_STAMP="${BUILD_ROOT}/stamps/ngspice.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning ngspice build..."
rm -rf "${NGSPICE_BUILD}" "${NGSPICE_STAMP}"
fi
# Check if already built
if check_stamp "${NGSPICE_STAMP}"; then
log_info "ngspice already built, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${NGSPICE_DIR}" ]; then
log_info "Downloading ngspice ${NGSPICE_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
NGSPICE_URL="https://sourceforge.net/projects/ngspice/files/ng-spice-rework/${NGSPICE_VERSION}/ngspice-${NGSPICE_VERSION}.tar.gz/download"
curl -L "${NGSPICE_URL}" -o "ngspice-${NGSPICE_VERSION}.tar.gz"
tar -xzf "ngspice-${NGSPICE_VERSION}.tar.gz"
rm "ngspice-${NGSPICE_VERSION}.tar.gz"
fi
log_info "Building ngspice ${NGSPICE_VERSION} for WASM..."
mkdir -p "${NGSPICE_BUILD}"
cd "${NGSPICE_BUILD}"
# ngspice uses autoconf
# First we need to configure for shared library mode (libngspice)
export CFLAGS="-pthread"
export CXXFLAGS="-pthread"
export LDFLAGS="-pthread"
# Configure ngspice as a shared library for KiCad integration
emconfigure "${NGSPICE_DIR}/configure" \
--prefix="${SYSROOT}" \
--host=wasm32-unknown-emscripten \
--build=$(uname -m)-linux-gnu \
--enable-shared \
--with-ngshared \
--disable-debug \
--disable-dependency-tracking \
--enable-cider \
--enable-xspice \
--without-x \
--without-readline \
--without-editline
emmake make -j${JOBS}
emmake make install
create_stamp "${NGSPICE_STAMP}"
log_info "ngspice build complete!"

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#!/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-${OCC_VERSION}.tar.gz"
mv "OCCT-V${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_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX="${SYSROOT}" \
-DCMAKE_CXX_FLAGS="-pthread -O2" \
-DCMAKE_C_FLAGS="-pthread -O2" \
-DBUILD_LIBRARY_TYPE=Static \
-DBUILD_MODULE_ApplicationFramework=OFF \
-DBUILD_MODULE_Draw=OFF \
-DBUILD_MODULE_Visualization=OFF \
-DBUILD_MODULE_DETools=OFF \
-DBUILD_MODULE_FoundationClasses=ON \
-DBUILD_MODULE_ModelingData=ON \
-DBUILD_MODULE_ModelingAlgorithms=ON \
-DBUILD_MODULE_DataExchange=ON \
-DUSE_FREETYPE=OFF \
-DUSE_FREEIMAGE=OFF \
-DUSE_OPENVR=OFF \
-DUSE_FFMPEG=OFF \
-DUSE_TBB=OFF \
-DUSE_VTK=OFF \
-DUSE_TCL=OFF \
-DUSE_TK=OFF \
-DUSE_GLES2=OFF \
-DUSE_OPENGL=OFF \
-DUSE_D3D=OFF \
-DUSE_RAPIDJSON=OFF \
-DUSE_DRACO=OFF \
-DBUILD_DOC_Overview=OFF \
-DINSTALL_SAMPLES=OFF \
-DINSTALL_TEST_CASES=OFF
emmake make -j${JOBS}
emmake make install
create_stamp "${OCC_STAMP}"
log_info "OpenCASCADE build complete!"

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scripts/deps/build-pixman.sh Executable file
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#!/bin/bash
# Build Pixman for WebAssembly
# Pixman is required by Cairo for pixel manipulation
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"
PIXMAN_DIR="${DEPS_ROOT}/pixman-${PIXMAN_VERSION}"
PIXMAN_BUILD="${BUILD_ROOT}/deps/pixman"
PIXMAN_STAMP="${BUILD_ROOT}/stamps/pixman.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning Pixman build..."
rm -rf "${PIXMAN_BUILD}" "${PIXMAN_STAMP}"
fi
# Check if already built
if check_stamp "${PIXMAN_STAMP}"; then
log_info "Pixman already built, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${PIXMAN_DIR}" ]; then
log_info "Downloading Pixman ${PIXMAN_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
PIXMAN_URL="https://cairographics.org/releases/pixman-${PIXMAN_VERSION}.tar.gz"
download_file "${PIXMAN_URL}" "pixman-${PIXMAN_VERSION}.tar.gz"
tar -xzf "pixman-${PIXMAN_VERSION}.tar.gz"
rm "pixman-${PIXMAN_VERSION}.tar.gz"
fi
log_info "Building Pixman ${PIXMAN_VERSION} for WASM..."
mkdir -p "${PIXMAN_BUILD}"
cd "${PIXMAN_BUILD}"
# Pixman uses meson
cat > cross-file.txt << EOF
[binaries]
c = 'emcc'
cpp = 'em++'
ar = 'emar'
ranlib = 'emranlib'
strip = 'emstrip'
[host_machine]
system = 'emscripten'
cpu_family = 'wasm32'
cpu = 'wasm32'
endian = 'little'
[built-in options]
c_args = ['-pthread']
c_link_args = ['-pthread']
EOF
meson setup "${PIXMAN_DIR}" \
--cross-file cross-file.txt \
--prefix="${SYSROOT}" \
--default-library=static \
-Dgtk=disabled \
-Dlibpng=disabled \
-Dtests=disabled
JOBS=${JOBS:-$(sysctl -n hw.ncpu 2>/dev/null || nproc 2>/dev/null || echo 4)}
ninja -j${JOBS}
ninja install
create_stamp "${PIXMAN_STAMP}"
log_info "Pixman build complete!"

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scripts/deps/build-protobuf.sh Executable file
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#!/bin/bash
# Build Protocol Buffers for WebAssembly
# Protobuf is used for IPC 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"
PROTOBUF_DIR="${DEPS_ROOT}/protobuf-${PROTOBUF_VERSION}"
PROTOBUF_BUILD="${BUILD_ROOT}/deps/protobuf"
PROTOBUF_STAMP="${BUILD_ROOT}/stamps/protobuf.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning Protobuf build..."
rm -rf "${PROTOBUF_BUILD}" "${PROTOBUF_STAMP}"
fi
# Check if already built
if check_stamp "${PROTOBUF_STAMP}"; then
log_info "Protobuf already built, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${PROTOBUF_DIR}" ]; then
log_info "Downloading Protobuf ${PROTOBUF_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
PROTOBUF_URL="https://github.com/protocolbuffers/protobuf/releases/download/v${PROTOBUF_VERSION}/protobuf-cpp-${PROTOBUF_VERSION}.tar.gz"
download_file "${PROTOBUF_URL}" "protobuf-${PROTOBUF_VERSION}.tar.gz"
tar -xzf "protobuf-${PROTOBUF_VERSION}.tar.gz"
rm "protobuf-${PROTOBUF_VERSION}.tar.gz"
fi
log_info "Building Protobuf ${PROTOBUF_VERSION} for WASM..."
mkdir -p "${PROTOBUF_BUILD}"
cd "${PROTOBUF_BUILD}"
emcmake cmake "${PROTOBUF_DIR}" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX="${SYSROOT}" \
-DCMAKE_CXX_FLAGS="-pthread" \
-Dprotobuf_BUILD_TESTS=OFF \
-Dprotobuf_BUILD_EXAMPLES=OFF \
-Dprotobuf_BUILD_PROTOC_BINARIES=OFF \
-Dprotobuf_BUILD_SHARED_LIBS=OFF \
-Dprotobuf_WITH_ZLIB=OFF
emmake make -j${JOBS}
emmake make install
create_stamp "${PROTOBUF_STAMP}"
log_info "Protobuf build complete!"

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scripts/deps/build-zstd.sh Executable file
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#!/bin/bash
# Build Zstd for WebAssembly
# Zstd is used for compression in KiCad project files
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"
ZSTD_DIR="${DEPS_ROOT}/zstd-${ZSTD_VERSION}"
ZSTD_BUILD="${BUILD_ROOT}/deps/zstd"
ZSTD_STAMP="${BUILD_ROOT}/stamps/zstd.stamp"
# Parse arguments
CLEAN=0
for arg in "$@"; do
case $arg in
--clean)
CLEAN=1
shift
;;
esac
done
if [ $CLEAN -eq 1 ]; then
log_info "Cleaning Zstd build..."
rm -rf "${ZSTD_BUILD}" "${ZSTD_STAMP}"
fi
# Check if already built
if check_stamp "${ZSTD_STAMP}"; then
log_info "Zstd already built, skipping..."
exit 0
fi
# Download if needed
if [ ! -d "${ZSTD_DIR}" ]; then
log_info "Downloading Zstd ${ZSTD_VERSION}..."
mkdir -p "${DEPS_ROOT}"
cd "${DEPS_ROOT}"
ZSTD_URL="https://github.com/facebook/zstd/releases/download/v${ZSTD_VERSION}/zstd-${ZSTD_VERSION}.tar.gz"
download_file "${ZSTD_URL}" "zstd-${ZSTD_VERSION}.tar.gz"
tar -xzf "zstd-${ZSTD_VERSION}.tar.gz"
rm "zstd-${ZSTD_VERSION}.tar.gz"
fi
log_info "Building Zstd ${ZSTD_VERSION} for WASM..."
mkdir -p "${ZSTD_BUILD}"
cd "${ZSTD_BUILD}"
# Zstd uses CMake in build/cmake directory
emcmake cmake "${ZSTD_DIR}/build/cmake" \
-DCMAKE_BUILD_TYPE=Release \
-DCMAKE_INSTALL_PREFIX="${SYSROOT}" \
-DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
-DZSTD_BUILD_PROGRAMS=OFF \
-DZSTD_BUILD_TESTS=OFF \
-DZSTD_BUILD_SHARED=OFF \
-DZSTD_BUILD_STATIC=ON \
-DZSTD_MULTITHREAD_SUPPORT=ON \
-DCMAKE_C_FLAGS="-pthread" \
-DCMAKE_CXX_FLAGS="-pthread"
emmake make -j${JOBS}
emmake make install
create_stamp "${ZSTD_STAMP}"
log_info "Zstd build complete!"