build-nss-ios.sh - mozsearch

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#!/usr/bin/env bash

# This script cross-compiles the NSS library for iOS.

set -euvx

if [[ "${#}" -ne 4 ]]

then

    echo "Usage:"

    echo "./build-nss-ios.sh <ABSOLUTE_SRC_DIR> <DIST_DIR> <ARCH> <IOS_MIN_SDK_VERSION>"

    exit 1

fi

NSS_SRC_DIR=${1}

DIST_DIR=${2}

ARCH=${3}

IOS_MIN_SDK_VERSION=${4}

if [[ -d "${DIST_DIR}" ]]; then

  echo "${DIST_DIR} folder already exists. Skipping build."

  exit 0

fi

if [[ "${ARCH}" == "x86_64" ]]; then

  OS_COMPILER="iPhoneSimulator"

  TARGET="x86_64-apple-darwin"

  GYP_ARCH="x64"

  EXTRA_TARGET="x86_64-apple-ios-simulator"

elif [[ "${ARCH}" == "arm64" ]]; then

  OS_COMPILER="iPhoneOS"

  TARGET="aarch64-apple-darwin"

  GYP_ARCH="arm64"

  EXTRA_TARGET="arm64-apple-ios"

elif [[ "${ARCH}" == "arm64-sim" ]]; then

  # We need to build nss for M1 sims ahead of time

  OS_COMPILER="iPhoneSimulator"

  TARGET="aarch64-apple-darwin"

  GYP_ARCH="arm64"

  # ARCH is used further down the line, but arm64-sim doesn't exist so we swap it back

  # to the original

  ARCH="arm64"

  EXTRA_TARGET="arm64-apple-ios-simulator"

else

  echo "Unsupported architecture"

  exit 1

fi

DEVELOPER=$(xcode-select -print-path)

CROSS_TOP="${DEVELOPER}/Platforms/${OS_COMPILER}.platform/Developer"

CROSS_SDK="${OS_COMPILER}.sdk"

TOOLCHAIN_BIN="${DEVELOPER}/Toolchains/XcodeDefault.xctoolchain/usr/bin"

ISYSROOT="${CROSS_TOP}/SDKs/${CROSS_SDK}"

CC="${TOOLCHAIN_BIN}/clang -target ${EXTRA_TARGET} -arch ${ARCH} -isysroot ${ISYSROOT} -mios-version-min=${IOS_MIN_SDK_VERSION}"

# Build NSPR

NSPR_BUILD_DIR=$(mktemp -d)

pushd "${NSPR_BUILD_DIR}"

"${NSS_SRC_DIR}"/nspr/configure \

  STRIP="${TOOLCHAIN_BIN}/strip" \

  RANLIB="${TOOLCHAIN_BIN}/ranlib" \

  AR="${TOOLCHAIN_BIN}/ar" \

  AS="${TOOLCHAIN_BIN}/as" \

  LD="${TOOLCHAIN_BIN}/ld" \

  CC="${CC}" \

  CCC="${CC}" \

  --target "${TARGET}" \

  --enable-64bit \

  --disable-debug \

  --enable-optimize

make

popd

# Build NSS

BUILD_DIR=$(mktemp -d)

rm -rf "${NSS_SRC_DIR}/nss/out"

gyp -f ninja "${NSS_SRC_DIR}/nss/nss.gyp" \

  --depth "${NSS_SRC_DIR}/nss/" \

  --generator-output=. \

  -DOS=ios \

  -Dnspr_lib_dir="${NSPR_BUILD_DIR}/dist/lib" \

  -Dnspr_include_dir="${NSPR_BUILD_DIR}/dist/include/nspr" \

  -Dnss_dist_dir="${BUILD_DIR}" \

  -Dnss_dist_obj_dir="${BUILD_DIR}" \

  -Dhost_arch="${GYP_ARCH}" \

  -Dtarget_arch="${GYP_ARCH}" \

  -Dstatic_libs=1 \

  -Ddisable_dbm=1 \

  -Dsign_libs=0 \

  -Denable_sslkeylogfile=0 \

  -Ddisable_tests=1 \

  -Ddisable_libpkix=1 \

  -Diphone_deployment_target="${IOS_MIN_SDK_VERSION}"

GENERATED_DIR="${NSS_SRC_DIR}/nss/out/Release-$(echo ${OS_COMPILER} | tr '[:upper:]' '[:lower:]')/"

ninja -C "${GENERATED_DIR}"

mkdir -p "${DIST_DIR}/include/nss"

mkdir -p "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libcertdb.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libcerthi.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libcryptohi.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libfreebl_static.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libmozpkix.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libnss_static.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libnssb.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libnssdev.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libnsspki.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libnssutil.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libpk11wrap_static.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libpkcs12.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libpkcs7.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libsmime.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libsoftokn_static.a" "${DIST_DIR}/lib"

cp -p -L "${BUILD_DIR}/lib/libssl.a" "${DIST_DIR}/lib"

# HW specific.

if [[ "${ARCH}" == "x86_64" ]]; then

  cp -p -L "${BUILD_DIR}/lib/libgcm-aes-x86_c_lib.a" "${DIST_DIR}/lib"

  cp -p -L "${BUILD_DIR}/lib/libhw-acc-crypto-avx.a" "${DIST_DIR}/lib"

  cp -p -L "${BUILD_DIR}/lib/libhw-acc-crypto-avx2.a" "${DIST_DIR}/lib"

  cp -p -L "${BUILD_DIR}/lib/libsha-x86_c_lib.a" "${DIST_DIR}/lib"

elif [[ "${ARCH}" == "arm64" ]]; then

  cp -p -L "${BUILD_DIR}/lib/libgcm-aes-aarch64_c_lib.a" "${DIST_DIR}/lib"

  cp -p -L "${BUILD_DIR}/lib/libarmv8_c_lib.a" "${DIST_DIR}/lib"

fi

cp -p -L "${NSPR_BUILD_DIR}/dist/lib/libplc4.a" "${DIST_DIR}/lib"

cp -p -L "${NSPR_BUILD_DIR}/dist/lib/libplds4.a" "${DIST_DIR}/lib"

cp -p -L "${NSPR_BUILD_DIR}/dist/lib/libnspr4.a" "${DIST_DIR}/lib"

cp -p -L -R "${BUILD_DIR}/public/nss/"* "${DIST_DIR}/include/nss"

cp -p -L -R "${NSPR_BUILD_DIR}/dist/include/nspr/"* "${DIST_DIR}/include/nss"