147 lines
5.1 KiB
Shell
Executable file
147 lines
5.1 KiB
Shell
Executable file
#!/bin/bash
|
|
# Environment setup for KiCad WASM build scripts
|
|
|
|
# Get script and project directories using unique names to avoid conflicts
|
|
_KICAD_WASM_COMMON_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
|
|
_KICAD_WASM_SCRIPTS_DIR="$(dirname "$_KICAD_WASM_COMMON_DIR")"
|
|
_KICAD_WASM_PROJECT_ROOT="$(dirname "$_KICAD_WASM_SCRIPTS_DIR")"
|
|
|
|
# Export paths
|
|
export PROJECT_ROOT="$_KICAD_WASM_PROJECT_ROOT"
|
|
export SCRIPTS_DIR="$_KICAD_WASM_SCRIPTS_DIR"
|
|
export COMMON_DIR="$_KICAD_WASM_COMMON_DIR"
|
|
|
|
# Use our config.sub wrapper for autoconf projects (emconfigure)
|
|
# This intercepts config.sub calls to use our version with emscripten/wasm32 support
|
|
# CONFIG_SHELL is critical: nested configures do SHELL=${CONFIG_SHELL-/bin/sh}
|
|
export SHELL="$SCRIPTS_DIR/config/config-sub-wrapper.sh"
|
|
export CONFIG_SHELL="$SCRIPTS_DIR/config/config-sub-wrapper.sh"
|
|
|
|
# Build output directories (inside the project)
|
|
export BUILD_ROOT="$PROJECT_ROOT/build-wasm"
|
|
export DEPS_ROOT="$BUILD_ROOT/deps"
|
|
export SYSROOT="$BUILD_ROOT/sysroot"
|
|
export STAMPS_DIR="$BUILD_ROOT/stamps"
|
|
|
|
# Source directories
|
|
export KICAD_SOURCE="$PROJECT_ROOT/kicad"
|
|
export WXWIDGETS_SOURCE="$PROJECT_ROOT/wxwidgets"
|
|
export WASM_COMPAT="$PROJECT_ROOT/wasm"
|
|
export STUBS_DIR="$PROJECT_ROOT/stubs"
|
|
export CMAKE_MODULES="$PROJECT_ROOT/cmake"
|
|
|
|
# wxWidgets build location
|
|
export WX_BUILD="$BUILD_ROOT/wxwidgets"
|
|
|
|
# Emscripten settings
|
|
export EMSDK_QUIET=1
|
|
|
|
# Emscripten SDK setup
|
|
# If EMSDK is already set (e.g. Docker entrypoint sourced emsdk_env.sh), use it.
|
|
# Otherwise auto-install a local copy under tools/emsdk/.
|
|
if [ -n "$EMSDK" ] && [ -f "$EMSDK/emsdk_env.sh" ]; then
|
|
# emsdk already active (e.g., Docker entrypoint sourced it)
|
|
source "$EMSDK/emsdk_env.sh" 2>/dev/null
|
|
else
|
|
# Local emsdk: auto-install if missing, then source its environment
|
|
# The emsdk bundles its own Python, Node, and LLVM — no Homebrew needed
|
|
_EMSDK_DIR="$_KICAD_WASM_PROJECT_ROOT/tools/emsdk"
|
|
_EMSDK_ENV="$_EMSDK_DIR/emsdk_env.sh"
|
|
|
|
if [ ! -f "$_EMSDK_ENV" ]; then
|
|
echo "Emscripten SDK not found. Installing..."
|
|
"$_KICAD_WASM_SCRIPTS_DIR/setup-emsdk.sh"
|
|
fi
|
|
|
|
if [ -f "$_EMSDK_ENV" ]; then
|
|
source "$_EMSDK_ENV" 2>/dev/null
|
|
fi
|
|
fi
|
|
|
|
# --- Ensure a working `python` command for build codegen steps --------------
|
|
# Some build steps run scripts via a `#!/usr/bin/env python` shebang (e.g.
|
|
# wxWidgets' src/stc/gen_iface.py, which regenerates wx/stc/stc.h). The bundled
|
|
# emsdk ships only `python3`; modern macOS has no system `python`; and a pyenv
|
|
# shim with no configured version silently shadows PATH and aborts the build
|
|
# with "pyenv: python: command not found". Guard on actually *running* python
|
|
# (the pyenv shim exists but fails), and shim `python` -> python3 so this can't
|
|
# break across machines/CI.
|
|
if ! python -c '' >/dev/null 2>&1; then
|
|
# Prefer emsdk's bundled python3, fall back to any python3 on PATH.
|
|
_PY3="$(ls "$_KICAD_WASM_PROJECT_ROOT"/tools/emsdk/python/*/bin/python3 2>/dev/null | head -n1)"
|
|
[ -x "$_PY3" ] || _PY3="$(command -v python3 || true)"
|
|
if [ -n "$_PY3" ]; then
|
|
_PY_SHIM_DIR="$BUILD_ROOT/python-shim"
|
|
mkdir -p "$_PY_SHIM_DIR"
|
|
ln -sf "$_PY3" "$_PY_SHIM_DIR/python"
|
|
export PATH="$_PY_SHIM_DIR:$PATH"
|
|
fi
|
|
fi
|
|
|
|
# Common compiler flags
|
|
export EMCC_CFLAGS="-fPIC -DEMSCRIPTEN"
|
|
export EMCC_CXXFLAGS="-fPIC -DEMSCRIPTEN -std=c++17"
|
|
|
|
# Use ccache if available for faster rebuilds
|
|
if command -v ccache &> /dev/null; then
|
|
export CC="ccache emcc"
|
|
export CXX="ccache em++"
|
|
fi
|
|
|
|
# Debug mode (default: ON, use --release to disable)
|
|
# This can be overridden by setting DEBUG_BUILD=0 before sourcing this file
|
|
DEBUG_BUILD="${DEBUG_BUILD:-1}"
|
|
|
|
if [ "$DEBUG_BUILD" = "1" ]; then
|
|
export BUILD_TYPE="Debug"
|
|
export DEBUG_CFLAGS="-g -O1"
|
|
export DEBUG_LDFLAGS="-g -gsource-map"
|
|
else
|
|
export BUILD_TYPE="Release"
|
|
export DEBUG_CFLAGS="-O2"
|
|
export DEBUG_LDFLAGS=""
|
|
fi
|
|
|
|
export DEBUG_BUILD BUILD_TYPE DEBUG_CFLAGS DEBUG_LDFLAGS
|
|
|
|
# Parallel jobs (default to 1 for memory-constrained environments like Docker)
|
|
# Can be overridden with -j N flag or by setting JOBS/PARALLEL_JOBS env vars
|
|
if [ -n "$PARALLEL_JOBS" ]; then
|
|
export JOBS="$PARALLEL_JOBS"
|
|
elif [ -z "$JOBS" ]; then
|
|
# Default to 1 for sequential builds (safer for memory)
|
|
# Use -j N to override for faster builds on machines with more RAM
|
|
export JOBS=1
|
|
fi
|
|
|
|
# Common linker flags for WASM
|
|
export WASM_LDFLAGS="\
|
|
-sALLOW_MEMORY_GROWTH=1 \
|
|
-sINITIAL_MEMORY=256MB \
|
|
-sSTACK_SIZE=5MB \
|
|
-sASYNCIFY=1 \
|
|
-sASYNCIFY_STACK_SIZE=16384 \
|
|
-sLEGACY_GL_EMULATION \
|
|
-sMAX_WEBGL_VERSION=2"
|
|
|
|
# Threading flags (when enabled)
|
|
export PTHREAD_LDFLAGS="\
|
|
-pthread \
|
|
-sPROXY_TO_PTHREAD=1 \
|
|
-sPTHREAD_POOL_SIZE=navigator.hardwareConcurrency \
|
|
-sOFFSCREENCANVAS_SUPPORT=1"
|
|
|
|
# Create output directories
|
|
mkdir -p "$BUILD_ROOT" "$DEPS_ROOT" "$SYSROOT"/{lib,include,share} "$STAMPS_DIR"
|
|
|
|
# Source other common files
|
|
source "$COMMON_DIR/versions.sh"
|
|
source "$COMMON_DIR/functions.sh"
|
|
|
|
# Print environment info (only if not in quiet mode)
|
|
if [ "${QUIET:-0}" != "1" ]; then
|
|
echo "KiCad WASM Build Environment"
|
|
echo " Project root: $PROJECT_ROOT"
|
|
echo " Build root: $BUILD_ROOT"
|
|
echo " Sysroot: $SYSROOT"
|
|
fi
|