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bitchat/localPackages/Tor/Frameworks/build-minimal.sh
T
jackandClaude Opus 4.5 7b9ffe464a Add Tor build script to repository for reproducibility 
Include the build-minimal.sh script alongside BITCHAT_TOR.md so future
rebuilds can be done directly from the bitchat repo.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-12 21:46:48 -10:00

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#!/bin/sh
# Minimal size-optimized build script for BitChat
# Builds arm64-only tor-nolzma.xcframework with aggressive size optimization
set -e
PATH=$PATH:/usr/local/bin:/usr/local/opt/gettext/bin:/usr/local/opt/automake/bin:/usr/local/opt/aclocal/bin:/opt/homebrew/bin:/opt/homebrew/opt/libtool/libexec/gnubin
OPENSSL_VERSION="openssl-3.6.0"
LIBEVENT_VERSION="release-2.1.12-stable"
TOR_VERSION="tor-0.4.8.21"
cd "$(dirname "$0")"
ROOT="$(pwd -P)"
BUILDDIR="$ROOT/build"
mkdir -p "$BUILDDIR"
echo "Build dir: $BUILDDIR"
echo "Building minimal tor-nolzma.xcframework (arm64-only, size-optimized)"
echo ""
# Size optimization flags
# Note: LTO (-flto=thin) disabled because it produces bitcode that xcodebuild can't read
# LTO would need to be applied at app link stage, not library build
SIZE_CFLAGS="-Os -ffunction-sections -fdata-sections"
build_libssl() {
SDK=$1
ARCH=$2
MIN=$3
SOURCE="$BUILDDIR/openssl"
LOG="$BUILDDIR/libssl-$SDK-$ARCH.log"
if [ ! -d "$SOURCE" ]; then
echo "- Check out OpenSSL project"
cd "$BUILDDIR"
git clone --recursive --shallow-submodules --depth 1 --branch "$OPENSSL_VERSION" https://github.com/openssl/openssl.git >> "$LOG" 2>&1
fi
echo "- Build OpenSSL for $ARCH ($SDK) [size-optimized]"
cd "$SOURCE"
make distclean >> "$LOG" 2>&1 || true
if [ "$SDK" = "iphoneos" ]; then
PLATFORM_FLAGS="no-async zlib-dynamic enable-ec_nistp_64_gcc_128"
CONFIG="ios64-xcrun"
elif [ "$SDK" = "iphonesimulator" ]; then
PLATFORM_FLAGS="no-async zlib-dynamic enable-ec_nistp_64_gcc_128"
CONFIG="iossimulator-xcrun"
elif [ "$SDK" = "macosx" ]; then
PLATFORM_FLAGS="no-asm enable-ec_nistp_64_gcc_128"
CONFIG="darwin64-arm64-cc"
fi
# Tier 2: Aggressive OpenSSL trimming - remove unused ciphers, hashes, and features
./Configure \
no-shared \
no-zlib \
no-comp \
no-ssl3 \
no-tls1 \
no-tls1_1 \
no-dtls \
no-srp \
no-psk \
no-weak-ssl-ciphers \
no-engine \
no-ocsp \
no-cms \
no-ts \
no-idea \
no-seed \
no-camellia \
no-aria \
no-bf \
no-cast \
no-des \
no-rc2 \
no-rc4 \
no-md4 \
no-mdc2 \
no-whirlpool \
no-rmd160 \
no-sm2 \
no-sm3 \
no-sm4 \
no-siphash \
no-scrypt \
no-legacy \
no-dso \
no-dgram \
no-http \
no-ml-dsa \
no-ml-kem \
no-slh-dsa \
no-lms \
no-cmp \
no-ct \
no-gost \
no-rfc3779 \
no-ec2m \
no-rc5 \
${PLATFORM_FLAGS} \
--prefix="$BUILDDIR/$SDK/libssl-$ARCH" \
${CONFIG} \
CC="$(xcrun --sdk $SDK --find clang) -isysroot $(xcrun --sdk $SDK --show-sdk-path) -arch ${ARCH} -m$SDK-version-min=$MIN $SIZE_CFLAGS" \
>> "$LOG" 2>&1
make depend >> "$LOG" 2>&1
make "-j$(sysctl -n hw.logicalcpu_max)" build_libs >> "$LOG" 2>&1
make install_dev >> "$LOG" 2>&1
}
build_libevent() {
SDK=$1
ARCH=$2
MIN=$3
SOURCE="$BUILDDIR/libevent"
LOG="$BUILDDIR/libevent-$SDK-$ARCH.log"
if [ ! -d "$SOURCE" ]; then
echo "- Check out libevent project"
cd "$BUILDDIR"
git clone --recursive --shallow-submodules --depth 1 --branch "$LIBEVENT_VERSION" https://github.com/libevent/libevent.git >> "$LOG" 2>&1
fi
echo "- Build libevent for $ARCH ($SDK) [size-optimized]"
cd "$SOURCE"
make distclean 2>/dev/null 1>/dev/null || true
if [ ! -f ./configure ]; then
./autogen.sh >> "$LOG" 2>&1
fi
CLANG="$(xcrun -f --sdk ${SDK} clang)"
SDKPATH="$(xcrun --sdk ${SDK} --show-sdk-path)"
DEST="$BUILDDIR/$SDK/libevent-$ARCH"
./configure \
--disable-shared \
--disable-openssl \
--disable-libevent-regress \
--disable-samples \
--disable-doxygen-html \
--enable-static \
--disable-debug-mode \
--prefix="$DEST" \
CC="$CLANG -arch ${ARCH}" \
CPP="$CLANG -E -arch ${ARCH}" \
CFLAGS="-isysroot ${SDKPATH} -m$SDK-version-min=$MIN $SIZE_CFLAGS" \
LDFLAGS="-isysroot ${SDKPATH} -L$DEST" \
cross_compiling="yes" \
ac_cv_func_clock_gettime="no" \
>> "$LOG" 2>&1
make -j$(sysctl -n hw.logicalcpu_max) >> "$LOG" 2>&1
make install >> "$LOG" 2>&1
}
build_libtor_nolzma() {
SDK=$1
ARCH=$2
MIN=$3
SOURCE="$BUILDDIR/tor"
LOG="$BUILDDIR/libtor-nolzma-$SDK-$ARCH.log"
DEST="$BUILDDIR/$SDK/libtor-nolzma-$ARCH"
if [ ! -d "$SOURCE" ]; then
echo "- Check out Tor project"
cd "$BUILDDIR"
git clone --recursive --shallow-submodules --depth 1 --branch "$TOR_VERSION" https://gitlab.torproject.org/tpo/core/tor.git >> "$LOG" 2>&1
fi
echo "- Build libtor-nolzma for $ARCH ($SDK) [size-optimized, client-only]"
cd "$SOURCE"
make distclean 2>/dev/null 1>/dev/null || true
# Apply patch if exists
if [ -f "$ROOT/Tor/mmap-cache.patch" ]; then
git checkout . 2>/dev/null || true
git apply --quiet "$ROOT/Tor/mmap-cache.patch" 2>/dev/null || true
fi
if [ ! -f ./configure ]; then
sed -i'.backup' -e 's/all,error/no-obsolete,error/' autogen.sh
./autogen.sh >> "$LOG" 2>&1
rm autogen.sh && mv autogen.sh.backup autogen.sh
fi
CLANG="$(xcrun -f --sdk ${SDK} clang)"
SDKPATH="$(xcrun --sdk ${SDK} --show-sdk-path)"
# Tier 1 + 2: Client-only, minimal Tor build with aggressive size optimization
./configure \
--enable-silent-rules \
--enable-pic \
--disable-module-relay \
--disable-module-dirauth \
--disable-module-pow \
--disable-tool-name-check \
--disable-unittests \
--enable-static-openssl \
--enable-static-libevent \
--disable-asciidoc \
--disable-system-torrc \
--disable-linker-hardening \
--disable-dependency-tracking \
--disable-manpage \
--disable-html-manual \
--disable-gcc-warnings-advisory \
--enable-lzma=no \
--disable-zstd \
--with-libevent-dir="$BUILDDIR/$SDK/libevent-$ARCH" \
--with-openssl-dir="$BUILDDIR/$SDK/libssl-$ARCH" \
--prefix="$DEST" \
CC="$CLANG -arch ${ARCH} -isysroot ${SDKPATH}" \
CPP="$CLANG -E -arch ${ARCH} -isysroot ${SDKPATH}" \
CFLAGS="$SIZE_CFLAGS -m$SDK-version-min=$MIN" \
CPPFLAGS="-Isrc/core -I$BUILDDIR/$SDK/libssl-$ARCH/include -I$BUILDDIR/$SDK/libevent-$ARCH/include -m$SDK-version-min=$MIN" \
LDFLAGS="-lz -Wl,-dead_strip" \
cross_compiling="yes" \
ac_cv_func__NSGetEnviron="no" \
ac_cv_func_clock_gettime="no" \
ac_cv_func_getentropy="no" \
>> "$LOG" 2>&1
sleep 2
rm -f src/lib/cc/orconfig.h >> "$LOG" 2>&1
cp orconfig.h "src/lib/cc/" >> "$LOG" 2>&1
make libtor.a -j$(sysctl -n hw.logicalcpu_max) V=1 >> "$LOG" 2>&1
mkdir -p "$DEST/lib" >> "$LOG" 2>&1
mkdir -p "$DEST/include" >> "$LOG" 2>&1
mv libtor.a "$DEST/lib" >> "$LOG" 2>&1
rsync --archive --include='*.h' -f 'hide,! */' --prune-empty-dirs src/* "$DEST/include" >> "$LOG" 2>&1
cp orconfig.h "$DEST/include/" >> "$LOG" 2>&1
mv micro-revision.i "$DEST" >> "$LOG" 2>&1
}
create_framework_nolzma() {
SDK=$1
LOG="$BUILDDIR/framework.log"
NAME="tor-nolzma"
rm -rf "$BUILDDIR/$SDK/$NAME.framework" >> "$LOG" 2>&1
echo "- Create framework for $SDK (arm64-only)"
LIBS=("$BUILDDIR/$SDK/libssl-arm64/lib/libssl.a" \
"$BUILDDIR/$SDK/libssl-arm64/lib/libcrypto.a" \
"$BUILDDIR/$SDK/libevent-arm64/lib/libevent.a" \
"$BUILDDIR/$SDK/libtor-nolzma-arm64/lib/libtor.a")
HEADERS=("$BUILDDIR/$SDK/libssl-arm64/include"/* \
"$BUILDDIR/$SDK/libevent-arm64/include"/* \
"$BUILDDIR/$SDK/libtor-nolzma-arm64/include"/*)
if [ "$SDK" = "macosx" ]; then
# macOS frameworks need versioned bundle structure
mkdir -p "$BUILDDIR/$SDK/$NAME.framework/Versions/A/Headers" >> "$LOG" 2>&1
mkdir -p "$BUILDDIR/$SDK/$NAME.framework/Versions/A/Resources" >> "$LOG" 2>&1
libtool -static -o "$BUILDDIR/$SDK/$NAME.framework/Versions/A/$NAME" "${LIBS[@]}" >> "$LOG" 2>&1
cp -r "${HEADERS[@]}" "$BUILDDIR/$SDK/$NAME.framework/Versions/A/Headers" >> "$LOG" 2>&1
# Create symlinks
cd "$BUILDDIR/$SDK/$NAME.framework"
ln -s A Versions/Current
ln -s Versions/Current/Headers Headers
ln -s Versions/Current/Resources Resources
ln -s Versions/Current/$NAME $NAME
# Create Info.plist for macOS
cat > Versions/A/Resources/Info.plist << 'PLIST'
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleExecutable</key>
<string>tor-nolzma</string>
<key>CFBundleIdentifier</key>
<string>org.torproject.tor-nolzma</string>
<key>CFBundleName</key>
<string>tor-nolzma</string>
<key>CFBundlePackageType</key>
<string>FMWK</string>
<key>CFBundleShortVersionString</key>
<string>0.4.8.21</string>
<key>CFBundleVersion</key>
<string>408.21</string>
<key>MinimumOSVersion</key>
<string>10.13</string>
</dict>
</plist>
PLIST
cd "$ROOT"
else
# iOS frameworks are flat
mkdir -p "$BUILDDIR/$SDK/$NAME.framework/Headers" >> "$LOG" 2>&1
libtool -static -o "$BUILDDIR/$SDK/$NAME.framework/$NAME" "${LIBS[@]}" >> "$LOG" 2>&1
cp -r "${HEADERS[@]}" "$BUILDDIR/$SDK/$NAME.framework/Headers" >> "$LOG" 2>&1
# Determine min OS version for Info.plist
if [ "$SDK" = "iphoneos" ] || [ "$SDK" = "iphonesimulator" ]; then
MIN_OS="12.0"
else
MIN_OS="10.13"
fi
# Create Info.plist for iOS
cat > "$BUILDDIR/$SDK/$NAME.framework/Info.plist" << PLIST
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleExecutable</key>
<string>tor-nolzma</string>
<key>CFBundleIdentifier</key>
<string>org.torproject.tor-nolzma</string>
<key>CFBundleName</key>
<string>tor-nolzma</string>
<key>CFBundlePackageType</key>
<string>FMWK</string>
<key>CFBundleShortVersionString</key>
<string>0.4.8.21</string>
<key>CFBundleVersion</key>
<string>408.21</string>
<key>MinimumOSVersion</key>
<string>$MIN_OS</string>
</dict>
</plist>
PLIST
fi
}
create_xcframework_nolzma() {
LOG="$BUILDDIR/framework.log"
NAME="tor-nolzma"
echo "- Create xcframework for $NAME (arm64-only)"
rm -rf "$ROOT/$NAME.xcframework" "$ROOT/$NAME.xcframework.zip" >> "$LOG" 2>&1
xcodebuild -create-xcframework \
-framework "$BUILDDIR/iphoneos/$NAME.framework" \
-framework "$BUILDDIR/iphonesimulator/$NAME.framework" \
-framework "$BUILDDIR/macosx/$NAME.framework" \
-output "$ROOT/$NAME.xcframework" >> "$LOG" 2>&1
echo ""
echo "=== Build Complete ==="
echo "Output: $ROOT/$NAME.xcframework"
echo ""
# Show sizes
echo "Binary sizes:"
ls -lh "$ROOT/$NAME.xcframework/ios-arm64/$NAME.framework/$NAME" 2>/dev/null || true
ls -lh "$ROOT/$NAME.xcframework/ios-arm64-simulator/$NAME.framework/$NAME" 2>/dev/null || true
ls -lh "$ROOT/$NAME.xcframework/macos-arm64/$NAME.framework/$NAME" 2>/dev/null || true
echo ""
du -sh "$ROOT/$NAME.xcframework"
}
# Build for iOS device (arm64)
echo "=== Building for iOS device (arm64) ==="
build_libssl iphoneos arm64 12.0
build_libevent iphoneos arm64 12.0
build_libtor_nolzma iphoneos arm64 12.0
create_framework_nolzma iphoneos
# Build for iOS simulator (arm64 only - no Intel)
echo ""
echo "=== Building for iOS simulator (arm64) ==="
build_libssl iphonesimulator arm64 12.0
build_libevent iphonesimulator arm64 12.0
build_libtor_nolzma iphonesimulator arm64 12.0
create_framework_nolzma iphonesimulator
# Build for macOS (arm64 only - no Intel)
echo ""
echo "=== Building for macOS (arm64) ==="
build_libssl macosx arm64 10.13
build_libevent macosx arm64 10.13
build_libtor_nolzma macosx arm64 10.13
create_framework_nolzma macosx
# Create xcframework
echo ""
echo "=== Creating XCFramework ==="
create_xcframework_nolzma
echo ""
echo "Done! To verify:"
echo " lipo -info $ROOT/tor-nolzma.xcframework/*/tor-nolzma.framework/tor-nolzma"
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