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|
#!/bin/bash
#
# Example:
# env BUILD_TARGET=mips ./scripts/cross-build.sh
#
set -eo pipefail
CROSS_ROOT="${CROSS_ROOT:-/opt/cross}"
STAGE_ROOT="${STAGE_ROOT:-/opt/stage}"
BUILD_ROOT="${BUILD_ROOT:-/opt/build}"
BUILD_TARGET="${BUILD_TARGET:-x86_64}"
ZLIB_VERSION="${ZLIB_VERSION:-1.2.11}"
JSON_C_VERSION="${JSON_C_VERSION:-0.15}"
MBEDTLS_VERSION="${MBEDTLS_VERSION:-2.16.8}"
LIBUV_VERSION="${LIBUV_VERSION:-1.40.0}"
LIBWEBSOCKETS_VERSION="${LIBWEBSOCKETS_VERSION:-4.2.1}"
build_zlib() {
echo "=== Building zlib-${ZLIB_VERSION} (${TARGET})..."
curl -sLo- "https://zlib.net/zlib-${ZLIB_VERSION}.tar.gz" | tar xz -C "${BUILD_DIR}"
pushd "${BUILD_DIR}"/zlib-"${ZLIB_VERSION}"
env CHOST="${TARGET}" ./configure --static --archs="-fPIC" --prefix="${STAGE_DIR}"
make -j"$(nproc)" install
popd
}
build_json-c() {
echo "=== Building json-c-${JSON_C_VERSION} (${TARGET})..."
curl -sLo- "https://s3.amazonaws.com/json-c_releases/releases/json-c-${JSON_C_VERSION}.tar.gz" | tar xz -C "${BUILD_DIR}"
pushd "${BUILD_DIR}/json-c-${JSON_C_VERSION}"
rm -rf build && mkdir -p build && cd build
cmake -DCMAKE_TOOLCHAIN_FILE="${BUILD_DIR}/cross-${TARGET}.cmake" \
-DCMAKE_BUILD_TYPE=RELEASE \
-DCMAKE_INSTALL_PREFIX="${STAGE_DIR}" \
-DBUILD_SHARED_LIBS=OFF \
..
make -j"$(nproc)" install
popd
}
build_mbedtls() {
echo "=== Building mbedtls-${MBEDTLS_VERSION} (${TARGET})..."
curl -sLo- "https://github.com/ARMmbed/mbedtls/archive/v${MBEDTLS_VERSION}.tar.gz" | tar xz -C "${BUILD_DIR}"
pushd "${BUILD_DIR}/mbedtls-${MBEDTLS_VERSION}"
rm -rf build && mkdir -p build && cd build
cmake -DCMAKE_TOOLCHAIN_FILE="${BUILD_DIR}/cross-${TARGET}.cmake" \
-DCMAKE_BUILD_TYPE=RELEASE \
-DCMAKE_INSTALL_PREFIX="${STAGE_DIR}" \
-DENABLE_TESTING=OFF \
..
make -j"$(nproc)" install
popd
}
build_libuv() {
echo "=== Building libuv-${LIBUV_VERSION} (${TARGET})..."
curl -sLo- "https://dist.libuv.org/dist/v${LIBUV_VERSION}/libuv-v${LIBUV_VERSION}.tar.gz" | tar xz -C "${BUILD_DIR}"
pushd "${BUILD_DIR}/libuv-v${LIBUV_VERSION}"
./autogen.sh
env CFLAGS=-fPIC ./configure --disable-shared --enable-static --prefix="${STAGE_DIR}" --host="${TARGET}"
make -j"$(nproc)" install
popd
}
install_cmake_cross_file() {
cat << EOF > "${BUILD_DIR}/cross-${TARGET}.cmake"
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_C_COMPILER "${TARGET}-gcc")
set(CMAKE_CXX_COMPILER "${TARGET}-g++")
set(CMAKE_FIND_ROOT_PATH "${STAGE_DIR}")
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(OPENSSL_USE_STATIC_LIBS TRUE)
EOF
}
build_libwebsockets() {
echo "=== Building libwebsockets-${LIBWEBSOCKETS_VERSION} (${TARGET})..."
curl -sLo- "https://github.com/warmcat/libwebsockets/archive/v${LIBWEBSOCKETS_VERSION}.tar.gz" | tar xz -C "${BUILD_DIR}"
pushd "${BUILD_DIR}/libwebsockets-${LIBWEBSOCKETS_VERSION}"
sed -i 's/ websockets_shared//g' cmake/libwebsockets-config.cmake.in
sed -i '/PC_OPENSSL/d' lib/tls/CMakeLists.txt
rm -rf build && mkdir -p build && cd build
cmake -DCMAKE_TOOLCHAIN_FILE="${BUILD_DIR}/cross-${TARGET}.cmake" \
-DCMAKE_BUILD_TYPE=RELEASE \
-DCMAKE_INSTALL_PREFIX="${STAGE_DIR}" \
-DCMAKE_FIND_LIBRARY_SUFFIXES=".a" \
-DCMAKE_EXE_LINKER_FLAGS="-static" \
-DLWS_WITHOUT_TESTAPPS=ON \
-DLWS_WITH_MBEDTLS=ON \
-DLWS_WITH_LIBUV=ON \
-DLWS_STATIC_PIC=ON \
-DLWS_WITH_SHARED=OFF \
-DLWS_UNIX_SOCK=ON \
-DLWS_IPV6=ON \
-DLWS_ROLE_RAW_FILE=OFF \
-DLWS_WITH_HTTP2=OFF \
-DLWS_WITH_HTTP_BASIC_AUTH=OFF \
-DLWS_WITH_UDP=OFF \
-DLWS_WITHOUT_CLIENT=ON \
-DLWS_WITH_LEJP=OFF \
-DLWS_WITH_LEJP_CONF=OFF \
-DLWS_WITH_LWSAC=OFF \
-DLWS_WITH_SEQUENCER=OFF \
..
make -j"$(nproc)" install
popd
}
build_ttyd() {
echo "=== Building ttyd (${TARGET})..."
rm -rf build && mkdir -p build && cd build
cmake -DCMAKE_TOOLCHAIN_FILE="${BUILD_DIR}/cross-${TARGET}.cmake" \
-DCMAKE_INSTALL_PREFIX="${STAGE_DIR}" \
-DCMAKE_FIND_LIBRARY_SUFFIXES=".a" \
-DCMAKE_C_FLAGS="-Os -ffunction-sections -fdata-sections -fno-unwind-tables -fno-asynchronous-unwind-tables -flto" \
-DCMAKE_EXE_LINKER_FLAGS="-static -no-pie -Wl,-s -Wl,-Bsymbolic -Wl,--gc-sections" \
-DCMAKE_BUILD_TYPE=RELEASE \
..
make install
}
build() {
TARGET="$1"
ALIAS="$2"
STAGE_DIR="${STAGE_ROOT}/${TARGET}"
BUILD_DIR="${BUILD_ROOT}/${TARGET}"
echo "=== Installing toolchain ${ALIAS} (${TARGET})..."
mkdir -p "${CROSS_ROOT}" && export PATH="${PATH}:/opt/cross/bin"
curl -sLo- "https://musl.cc/${TARGET}-cross.tgz" | tar xz -C "${CROSS_ROOT}" --strip-components 1
echo "=== Building target ${ALIAS} (${TARGET})..."
rm -rf "${STAGE_DIR}" "${BUILD_DIR}"
mkdir -p "${STAGE_DIR}" "${BUILD_DIR}"
export PKG_CONFIG_PATH="${STAGE_DIR}/lib/pkgconfig"
install_cmake_cross_file
build_zlib
build_json-c
build_libuv
build_mbedtls
build_libwebsockets
build_ttyd
}
case ${BUILD_TARGET} in
amd64) BUILD_TARGET="x86_64" ;;
arm64) BUILD_TARGET="aarch64" ;;
armv7) BUILD_TARGET="armv7l" ;;
esac
case ${BUILD_TARGET} in
i686|x86_64|aarch64|mips|mipsel|mips64|mips64el|s390x)
build "${BUILD_TARGET}-linux-musl" "${BUILD_TARGET}"
;;
arm)
build "${BUILD_TARGET}-linux-musleabi" "${BUILD_TARGET}"
;;
armhf)
build arm-linux-musleabihf "${BUILD_TARGET}"
;;
armv7l)
build armv7l-linux-musleabihf "${BUILD_TARGET}"
;;
*)
echo "unknown cross target: ${BUILD_TARGET}" && exit 1
esac
|
