Add reproducible build system for wxWidgets WASM port
- Add unified patch (wxwidgets-wasm.patch) for build validation - Add scripts: - generate-wxwidgets-patches.sh: Extract patches from wxwidgets state - build-wxwidgets-wasm-clean.sh: Build from clean clone + patches - build-wxuniversal-wasm.sh: Build wxWidgets for WASM - Add wxWidgets-wasm-reference submodule (ahilss/wxWidgets-wasm) - Update .gitignore for wxwidgets-clean/ directory Base commit: 5ff25322553c1870cf20a2e1ba6f20ed50d9fe9a 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Viktor Vaczi
parent
aa7e9634e3
commit
b7d9d32acb
9 changed files with 122800 additions and 2 deletions
178
scripts/build-wxwidgets-wasm-clean.sh
Executable file
178
scripts/build-wxwidgets-wasm-clean.sh
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#!/bin/bash
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# Build wxWidgets for WASM from a clean clone + patches
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# This tests that our patches can reproduce the build
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set -e
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
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PATCHES_DIR="$PROJECT_ROOT/patches/wxwidgets-wasm"
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CLONE_DIR="$PROJECT_ROOT/wxwidgets-clean"
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BUILD_DIR="$PROJECT_ROOT/build-wasm/wxwidgets-clean"
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REFERENCE_BUILD="$PROJECT_ROOT/build-wasm/wxwidgets-universal"
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# Configuration - fork URL and commit
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WX_REPO="git@github.com:VV-EE/wxWidgets.git"
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WX_COMMIT="5ff25322553c1870cf20a2e1ba6f20ed50d9fe9a"
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# Parse arguments
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CLEAN=false
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SKIP_BUILD=false
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while [[ $# -gt 0 ]]; do
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case $1 in
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--clean) CLEAN=true; shift ;;
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--skip-build) SKIP_BUILD=true; shift ;;
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--help)
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echo "Usage: $0 [OPTIONS]"
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echo " --clean Force fresh clone (remove existing)"
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echo " --skip-build Only clone and patch, skip building"
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exit 0
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;;
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*) echo "Unknown option: $1"; exit 1 ;;
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esac
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done
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echo "=== wxWidgets WASM Clean Build ==="
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echo "Repository: $WX_REPO"
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echo "Commit: $WX_COMMIT"
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echo "Clone dir: $CLONE_DIR"
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echo "Build dir: $BUILD_DIR"
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echo ""
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# Verify patch exists
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if [ ! -f "$PATCHES_DIR/wxwidgets-wasm.patch" ]; then
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echo "ERROR: Patch not found: $PATCHES_DIR/wxwidgets-wasm.patch"
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echo "Run ./scripts/generate-wxwidgets-patches.sh first"
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exit 1
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fi
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# Verify checksums
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echo "=== Verifying patch checksums ==="
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cd "$PATCHES_DIR"
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if ! shasum -a 256 -c checksums.sha256; then
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echo "ERROR: Patch checksum verification failed"
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exit 1
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fi
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echo "Checksums OK"
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echo ""
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# Step 1: Clone repository
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echo "=== Step 1: Clone repository ==="
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if [ "$CLEAN" = true ] || [ ! -d "$CLONE_DIR/.git" ]; then
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rm -rf "$CLONE_DIR"
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echo "Cloning $WX_REPO..."
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git clone "$WX_REPO" "$CLONE_DIR"
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cd "$CLONE_DIR"
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git checkout "$WX_COMMIT"
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else
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echo "Using existing clone at $CLONE_DIR"
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cd "$CLONE_DIR"
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git fetch origin
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git checkout "$WX_COMMIT"
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git reset --hard "$WX_COMMIT"
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fi
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echo ""
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# Step 2: Initialize submodules
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echo "=== Step 2: Initialize submodules ==="
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git submodule update --init --recursive
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echo ""
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# Step 3: Apply the unified patch
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echo "=== Step 3: Apply unified patch ==="
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echo "Applying wxwidgets-wasm.patch..."
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patch -p1 < "$PATCHES_DIR/wxwidgets-wasm.patch"
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echo ""
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if [ "$SKIP_BUILD" = true ]; then
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echo "=== Skipping build (--skip-build) ==="
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echo "Clone and patch complete. Source ready at: $CLONE_DIR"
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exit 0
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fi
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# Step 4: Configure and build
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echo "=== Step 4: Configure ==="
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rm -rf "$BUILD_DIR"
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mkdir -p "$BUILD_DIR"
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cd "$BUILD_DIR"
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export CFLAGS="-DZ_HAVE_UNISTD_H=1"
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export CXXFLAGS="-DZ_HAVE_UNISTD_H=1"
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emconfigure "$CLONE_DIR/configure" \
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--host=emscripten \
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--enable-universal \
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--disable-shared \
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--with-opengl \
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--disable-exceptions \
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--disable-richtext \
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--without-libtiff \
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--disable-xlocale \
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--with-cxx=17 \
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--enable-utf8
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echo ""
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echo "=== Step 5: Build ==="
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emmake make -j$(sysctl -n hw.ncpu 2>/dev/null || nproc 2>/dev/null || echo 4)
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echo ""
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echo "=== Step 6: Verify and compare ==="
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# List built libraries
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echo "Built libraries:"
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ls -lh "$BUILD_DIR/lib/"*.a 2>/dev/null || echo "No libraries found"
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# Compare with reference build if it exists
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if [ -d "$REFERENCE_BUILD/lib" ]; then
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echo ""
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echo "=== Comparison with reference build ==="
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printf "%-50s %12s %12s %10s\n" "Library" "Reference" "Clean" "Match"
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printf "%-50s %12s %12s %10s\n" "-------" "---------" "-----" "-----"
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MISMATCH=0
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for lib in "$BUILD_DIR/lib/"*.a; do
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basename=$(basename "$lib")
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ref_lib="$REFERENCE_BUILD/lib/$basename"
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if [ -f "$ref_lib" ]; then
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# Get sizes (macOS stat syntax)
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new_size=$(stat -f%z "$lib" 2>/dev/null || stat -c%s "$lib")
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ref_size=$(stat -f%z "$ref_lib" 2>/dev/null || stat -c%s "$ref_lib")
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if [ "$new_size" -eq "$ref_size" ]; then
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match="YES"
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else
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match="NO (diff: $((new_size - ref_size)))"
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MISMATCH=1
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fi
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printf "%-50s %12d %12d %10s\n" "$basename" "$ref_size" "$new_size" "$match"
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else
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printf "%-50s %12s %12d %10s\n" "$basename" "(missing)" "$new_size" "NEW"
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fi
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done
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# Check for libraries in reference but not in clean build
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for lib in "$REFERENCE_BUILD/lib/"*.a; do
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basename=$(basename "$lib")
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if [ ! -f "$BUILD_DIR/lib/$basename" ]; then
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ref_size=$(stat -f%z "$lib" 2>/dev/null || stat -c%s "$lib")
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printf "%-50s %12d %12s %10s\n" "$basename" "$ref_size" "(missing)" "MISSING"
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MISMATCH=1
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fi
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done
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echo ""
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if [ "$MISMATCH" -eq 0 ]; then
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echo "SUCCESS: All libraries match!"
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else
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echo "WARNING: Some libraries differ (this may be expected due to build timestamps)"
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fi
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else
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echo ""
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echo "No reference build found at $REFERENCE_BUILD"
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echo "Run ./scripts/build-wxuniversal-wasm.sh first to create a reference"
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fi
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echo ""
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echo "=== Build complete ==="
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echo "Libraries in: $BUILD_DIR/lib/"
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