268 lines
8.2 KiB
Bash
268 lines
8.2 KiB
Bash
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#!/bin/bash
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GIT_OPENSSL="https://github.com/drwetter/openssl-pm-snapshot.git"
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GIT_BINUTILS_GDB="https://github.com/bminor/binutils-gdb.git"
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GIT_READLINE="https://git.savannah.gnu.org/git/readline.git"
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GIT_NCURSES="https://github.com/ThomasDickey/ncurses-snapshots.git"
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BUILD_DIRECTORY="/build"
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OUTPUT_DIRECTORY="/output"
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GCC_OPTS="-static -fPIC"
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GXX_OPTS="-static -static-libstdc++ -fPIC"
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TMP_DIR=$(mktemp -dt building_lib.XXXXXX)
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trap "rm -rf ${TMP_DIR}" EXIT TERM
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# The init function that has to
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# be called before running any
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# other function. Should be used
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# to configure the building env.
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init_lib(){
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CURRENT_ARCH="$1"
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if [ ! -d "$BUILD_DIRECTORY" ];then
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mkdir -p $BUILD_DIRECTORY
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fi
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if [ ! -d "$OUTPUT_DIRECTORY" ];then
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mkdir -p $OUTPUT_DIRECTORY
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fi
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}
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# Set a HTTP proxy for fetching
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# software via HTTP and Git.
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set_http_proxy(){
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proxy=$1
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export http_proxy="$proxy"
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export https_proxy="$proxy"
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git config --global http.proxy "$proxy"
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}
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# Return a host triple for the
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# selected architecture.
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get_host_triple(){
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local host
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if [ "$CURRENT_ARCH" == "x86" ];then
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host="i486-linux-musl"
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elif [ "$CURRENT_ARCH" == "x86_64" ];then
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host="x86_64-unknown-linux-musl"
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elif [ "$CURRENT_ARCH" == "armhf" ];then
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host="arm-linux-musleabihf"
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elif [ "$CURRENT_ARCH" == "aarch64" ];then
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host="aarch64-linux-musleabi"
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fi
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echo $host
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}
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# Fetch and extract a resource via
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# HTTP or clone a Git repository.
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fetch(){
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if [ "$#" -ne 3 ];then
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echo "fetch() requires a source, destination and method."
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echo "Example: fetch http://github.com/test.git /build/test git"
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exit 1
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fi
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source=$1
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shift
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destination=$1
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shift
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method=$@
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# TODO: check if $source is a valid URL
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if [ -d "$destination" ] || [ -f "$destination" ];then
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echo "Destination ${destination} already exists, skipping."
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return
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fi
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if [ "${method,,}" == "http" ];then
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cd /tmp || { echo "Could not cd to /tmp"; exit 1; }
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headers=$(mktemp headers.XXXXXX)
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curl -L -D "$headers" -sOJ "$source"
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filename=$(cat "$headers" | grep -o -E 'filename=.*$' | sed -e 's/filename=//')
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filename=$(trim "$filename")
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extract "$filename" "$destination"
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trap "rm -rf ${headers} /tmp/'${filename}'" EXIT TERM
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elif [ "${method,,}" == "git" ];then
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git clone "$source" "$destination"
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else
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echo "Invalid method ${method}"
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exit 1
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fi
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}
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# Extract an archive to a
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# destination directory.
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extract(){
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if [ "$#" -ne 2 ];then
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echo "extract() requires a source and destination."
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exit 1
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fi
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source=$1
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destination=$2
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if [ ! -d "$destination" ];then
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mkdir -p "$destination"
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fi
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if [ -f "$source" ] ; then
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case $source in
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*.tar.bz2) tar xjf "$source" -C "$destination" --strip-components 1 ;;
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*.tar.gz) tar xzf "$source" -C "$destination" --strip-components 1 ;;
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*.tar.xz) tar xvfJ "$source" -C "$destination" --strip-components 1 ;;
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*.tar) tar xf "$source" -C "$destination" --strip-components 1 ;;
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*.tbz2) tar xjf "$source" -C "$destination" --strip-components 1 ;;
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*.tgz) tar xzf "$source" -C "$destination" --strip-components 1 ;;
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*) echo "'${source}' cannot be extracted via extract()" ;;
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esac
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else
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echo "'${source}' is not a valid file"
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fi
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}
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# Remove leading and
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# trailing whitespaces.
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trim(){
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local var="$*"
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var="${var#"${var%%[![:space:]]*}"}"
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var="${var%"${var##*[![:space:]]}"}"
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echo -n "$var"
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}
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# Determine the version of
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# a binary after building.
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get_version(){
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local cmd="$1"
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if [ -z "$cmd" ];then
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echo "Please provide a command to determine the version" >&2
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echo "Example: /build/test --version | awk '{print \$2}'" >&2
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exit 1
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fi
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local version="-"
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if [ "$CURRENT_ARCH" == "armhf" ];then
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if which qemu-arm 1>&2 2>/dev/null;then
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cmd="qemu-arm ${cmd}"
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version+=$(eval "$cmd")
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else
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echo "qemu-arm not found, skipping ARMHF version checks." >&2
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fi
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elif [ "$CURRENT_ARCH" == "aarch64" ];then
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if which qemu-aarch64 1>&2 2>/dev/null;then
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cmd="qemu-aarch64 ${cmd}"
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version+=$(eval "$cmd")
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else
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echo "qemu-aarch64 not found, skipping AARCH64 version checks." >&2
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fi
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else
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version+=$(eval "$cmd")
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fi
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if [ "$version" == "-" ];then
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version+="${CURRENT_ARCH}"
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else
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version+="-${CURRENT_ARCH}"
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fi
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echo "$version"
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}
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lib_create_tmp_dir(){
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local tmp_dir=$(mktemp -dt -p ${TMP_DIR} tmpdir.XXXXXX)
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echo "$tmp_dir"
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}
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lib_check_lib_arch(){
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lib=$1
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if [ ! -f "$lib" ];then
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echo ""
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return
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fi
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local tmp_dir=$(lib_create_tmp_dir)
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cp "$lib" "$tmp_dir"
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bash -c "cd ${tmp_dir}; ar x $(basename ${lib})"
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local output=$(find "${tmp_dir}" -name "*.o" -exec file {} \;)
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if echo "$output" | grep -q "Intel 80386";then
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echo "Arch of ${lib} is x86" >&2
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echo "x86"
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elif echo "$output" | grep -q "x86-64";then
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echo "Arch of ${lib} is x86_64" >&2
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echo "x86_64"
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elif echo "$output" | grep -q "ARM aarch64";then
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echo "Arch of ${lib} is armhf" >&2
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echo "armhf"
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elif echo "$output" | grep -q "ARM,";then
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echo "Arch of ${lib} is aarch64" >&2
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echo "aarch64"
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else
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echo "Could not determine arch of library ${lib}" >&2
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echo ""
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fi
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}
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lib_build_openssl(){
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local version=$1
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fetch "$GIT_OPENSSL" "${BUILD_DIRECTORY}/openssl" git
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cd "${BUILD_DIRECTORY}/openssl" || { echo "Cannot cd to ${BUILD_DIRECTORY}/openssl"; exit 1; }
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if [ -n "$version" ];then
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git checkout "$version" || echo "Version ${version} not found, continuing with master."
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fi
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if [ -f "${BUILD_DIRECTORY}/openssl/libssl.a" ];then
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lib_arch=$(lib_check_lib_arch "${BUILD_DIRECTORY}/openssl/libssl.a")
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if [ "$lib_arch" != "$CURRENT_ARCH" ];then
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echo "Rebuild for current arch"
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git clean -fdx || true
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else
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echo "[+] OpenSSL already available for current arch, skipping building"
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return
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fi
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fi
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local openssl_arch
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if [ "${CURRENT_ARCH}" == "x86" ] ||
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[ "${CURRENT_ARCH}" == "armhf" ];then
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openssl_arch="linux-generic32"
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elif [ "${CURRENT_ARCH}" == "x86_64" ];then
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openssl_arch="linux-x86_64"
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elif [ "${CURRENT_ARCH}" == "aarch64" ];then
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openssl_arch="linux-generic64"
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fi
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CFLAGS="${GCC_OPTS}" \
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./Configure \
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no-shared \
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"$openssl_arch"
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make -j4
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echo "[+] Finished building OpenSSL ${CURRENT_ARCH}"
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}
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lib_build_zlib(){
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fetch "$GIT_BINUTILS_GDB" "${BUILD_DIRECTORY}/binutils-gdb" git
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cd "${BUILD_DIRECTORY}/binutils-gdb/zlib" || { echo "Cannot cd to ${BUILD_DIRECTORY}/binutils-gdb/zlib"; exit 1; }
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git clean -fdx
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CC="gcc ${GCC_OPTS}" \
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CXX="g++ ${GXX_OPTS}" \
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/bin/bash ./configure \
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--host="$(get_host_triple)" \
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--enable-static
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make -j4
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echo "[+] Finished building zlib ${CURRENT_ARCH}"
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}
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lib_build_readline(){
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fetch "$GIT_READLINE" "${BUILD_DIRECTORY}/readline" git
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cd "${BUILD_DIRECTORY}/readline" || { echo "Cannot cd to ${BUILD_DIRECTORY}/readline"; exit 1; }
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git clean -fdx
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CFLAGS="${GCC_OPTS}" \
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CXXFLAGS="${GXX_OPTS}" \
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./configure \
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--host="$(get_host_triple)" \
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--disable-shared \
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--enable-static
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make -j4
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echo "[+] Finished building readline ${CURRENT_ARCH}"
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}
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lib_build_ncurses(){
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fetch "$GIT_NCURSES" "${BUILD_DIRECTORY}/ncurses" git
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cd "${BUILD_DIRECTORY}/ncurses" || { echo "Cannot cd to ${BUILD_DIRECTORY}/ncurses"; exit 1; }
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git clean -fdx
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git checkout v6_2
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CMD="CFLAGS=\"${GCC_OPTS}\" "
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CMD+="CXXFLAGS=\"${GXX_OPTS}\" "
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CMD+="./configure --host=$(get_host_triple) --disable-shared --enable-static"
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if [ "$CURRENT_ARCH"!="x86" -a "$CURRENT_ARCH"!="x86_64" ];then
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CMD+=" --with-build-cc=/x86_64-linux-musl-cross/bin/x86_64-linux-musl-gcc"
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fi
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eval "$CMD"
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make -j4
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echo "[+] Finished building ncurses ${CURRENT_ARCH}"
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}
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