+ termux_error_exit "Failed to download $URL"
+}
+
+# Utility function for golang-using packages to setup a go toolchain.
+termux_setup_golang () {
+ export GOOS=android
+ export CGO_ENABLED=1
+ export GO_LDFLAGS="-extldflags=-pie"
+ if [ "$TERMUX_ARCH" = "arm" ]; then
+ export GOARCH=arm
+ export GOARM=7
+ elif [ "$TERMUX_ARCH" = "i686" ]; then
+ export GOARCH=386
+ export GO386=sse2
+ elif [ "$TERMUX_ARCH" = "aarch64" ]; then
+ export GOARCH=arm64
+ elif [ "$TERMUX_ARCH" = "x86_64" ]; then
+ export GOARCH=amd64
+ else
+ termux_error_exit "Unsupported arch: $TERMUX_ARCH"
+ fi
+
+ local TERMUX_GO_VERSION=go1.7.4
+ local TERMUX_GO_PLATFORM=linux-amd64
+ test "$(uname)" = "Darwin" && TERMUX_GO_PLATFORM=darwin-amd64
+
+ export TERMUX_BUILDGO_FOLDER=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}
+ export GOROOT=$TERMUX_BUILDGO_FOLDER
+ export PATH=$GOROOT/bin:$PATH
+
+ if [ -d "$TERMUX_BUILDGO_FOLDER" ]; then return; fi
+
+ local TERMUX_BUILDGO_TAR=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz
+ rm -Rf "$TERMUX_COMMON_CACHEDIR/go" "$TERMUX_BUILDGO_FOLDER"
+ termux_download https://storage.googleapis.com/golang/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz \
+ "$TERMUX_BUILDGO_TAR"
+ ( cd "$TERMUX_COMMON_CACHEDIR"; tar xf "$TERMUX_BUILDGO_TAR"; mv go "$TERMUX_BUILDGO_FOLDER"; rm "$TERMUX_BUILDGO_TAR" )
+}
+
+# First step is to handle command-line arguments. Not to be overridden by packages.
+termux_step_handle_arguments() {
+ # shellcheck source=/dev/null
+ test -f "$HOME/.termuxrc" && source "$HOME/.termuxrc"
+
+ # Handle command-line arguments:
+ _show_usage () {
+ echo "Usage: ./build-package.sh [-a ARCH] [-d] [-D] PACKAGE"
+ echo "Build a package by creating a .deb file in the debs/ folder."
+ echo " -a The architecture to build for: aarch64(default), arm, i686, x86_64 or all."
+ echo " -d Build with debug symbols."
+ echo " -D Build a disabled package in disabled-packages/."
+ echo " -s Skip dependency check."
+ exit 1
+ }
+ while getopts :a:hdDs option; do
+ case "$option" in
+ a) TERMUX_ARCH="$OPTARG";;
+ h) _show_usage;;
+ d) TERMUX_DEBUG=true;;
+ D) local TERMUX_IS_DISABLED=true;;
+ s) export TERMUX_SKIP_DEPCHECK=true;;
+ ?) termux_error_exit "./build-package.sh: illegal option -$OPTARG";;
+ esac
+ done
+ shift $((OPTIND-1))
+
+ if [ "$#" -ne 1 ]; then _show_usage; fi
+ unset -f _show_usage
+
+ # Handle 'all' arch:
+ if [ -n "${TERMUX_ARCH+x}" ] && [ "${TERMUX_ARCH}" = 'all' ]; then
+ for arch in 'arm' 'i686' 'aarch64' 'x86_64'; do
+ ./build-package.sh -a $arch "$1"
+ done
+ exit
+ fi
+
+ # Check the package to build:
+ TERMUX_PKG_NAME=$(basename "$1")
+ export TERMUX_SCRIPTDIR
+ TERMUX_SCRIPTDIR=$(cd "$(dirname "$0")"; pwd)
+ if [[ $1 == *"/"* ]]; then
+ # Path to directory which may be outside this repo:
+ if [ ! -d "$1" ]; then termux_error_exit "'$1' seems to be a path but is not a directory"; fi
+ export TERMUX_PKG_BUILDER_DIR
+ TERMUX_PKG_BUILDER_DIR=$(realpath "$1")
+ else
+ # Package name:
+ if [ -n "${TERMUX_IS_DISABLED=""}" ]; then
+ export TERMUX_PKG_BUILDER_DIR=$TERMUX_SCRIPTDIR/disabled-packages/$TERMUX_PKG_NAME
+ else
+ export TERMUX_PKG_BUILDER_DIR=$TERMUX_SCRIPTDIR/packages/$TERMUX_PKG_NAME
+ fi
+ fi
+ TERMUX_PKG_BUILDER_SCRIPT=$TERMUX_PKG_BUILDER_DIR/build.sh
+ if test ! -f "$TERMUX_PKG_BUILDER_SCRIPT"; then
+ termux_error_exit "No build.sh script at package dir $TERMUX_PKG_BUILDER_DIR!"
+ fi
+}
+
+# Setup variables used by the build. Not to be overridden by packages.
+termux_step_setup_variables() {
+ : "${ANDROID_HOME:="${HOME}/lib/android-sdk"}"
+ : "${NDK:="${HOME}/lib/android-ndk"}"
+ : "${TERMUX_MAKE_PROCESSES:="4"}"
+ : "${TERMUX_TOPDIR:="$HOME/.termux-build"}"
+ : "${TERMUX_ARCH:="aarch64"}" # arm, aarch64, i686 or x86_64.
+ : "${TERMUX_PREFIX:="/data/data/com.termux/files/usr"}"
+ : "${TERMUX_ANDROID_HOME:="/data/data/com.termux/files/home"}"
+ : "${TERMUX_DEBUG:=""}"
+ : "${TERMUX_API_LEVEL:="21"}"
+ : "${TERMUX_ANDROID_BUILD_TOOLS_VERSION:="24.0.1"}"
+ : "${TERMUX_NDK_VERSION:="13"}"
+
+ if [ "x86_64" = "$TERMUX_ARCH" -o "aarch64" = "$TERMUX_ARCH" ]; then
+ TERMUX_ARCH_BITS=64
+ else
+ TERMUX_ARCH_BITS=32
+ fi
+
+ TERMUX_HOST_PLATFORM="${TERMUX_ARCH}-linux-android"
+ if [ "$TERMUX_ARCH" = "arm" ]; then TERMUX_HOST_PLATFORM="${TERMUX_HOST_PLATFORM}eabi"; fi
+
+ if [ ! -d "$NDK" ]; then
+ termux_error_exit 'NDK not pointing at a directory!'
+ fi
+ if ! grep -s -q "Pkg.Revision = $TERMUX_NDK_VERSION" "$NDK/source.properties"; then
+ termux_error_exit "Wrong NDK version - we need $TERMUX_NDK_VERSION"
+ fi
+
+ # We do not put all of build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/ into PATH
+ # to avoid stuff like arm-linux-androideabi-ld there to conflict with ones from
+ # the standalone toolchain.
+ TERMUX_DX=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/dx
+ TERMUX_JACK=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/jack.jar
+ TERMUX_JILL=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/jill.jar
+
+ TERMUX_COMMON_CACHEDIR="$TERMUX_TOPDIR/_cache"
+ TERMUX_DEBDIR="$TERMUX_SCRIPTDIR/debs"
+ TERMUX_ELF_CLEANER=$TERMUX_COMMON_CACHEDIR/termux-elf-cleaner
+
+ TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_TOPDIR/_lib/toolchain-${TERMUX_ARCH}-ndk${TERMUX_NDK_VERSION}-api${TERMUX_API_LEVEL}"
+ # Bump the below version if a change is made in toolchain setup to ensure
+ # that everyone gets an updated toolchain:
+ TERMUX_STANDALONE_TOOLCHAIN+="-v3"
+
+ export TERMUX_TAR="tar"
+ export TERMUX_TOUCH="touch"
+ test "$(uname)" = "Darwin" && TERMUX_TAR=gtar
+ test "$(uname)" = "Darwin" && TERMUX_TOUCH=gtouch
+ export prefix=${TERMUX_PREFIX}
+ export PREFIX=${TERMUX_PREFIX}
+ export PKG_CONFIG_LIBDIR=$TERMUX_PREFIX/lib/pkgconfig
+
+ TERMUX_PKG_BUILDDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/build
+ TERMUX_PKG_CACHEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/cache
+ TERMUX_PKG_MASSAGEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/massage
+ TERMUX_PKG_PACKAGEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/package
+ TERMUX_PKG_SRCDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/src
+ TERMUX_PKG_SHA256=""
+ TERMUX_PKG_TMPDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/tmp
+ TERMUX_PKG_HOSTBUILD_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/host-build
+ TERMUX_PKG_PLATFORM_INDEPENDENT=""
+ TERMUX_PKG_NO_DEVELSPLIT=""
+ TERMUX_PKG_BUILD_REVISION="0" # http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-Version
+ TERMUX_PKG_EXTRA_CONFIGURE_ARGS=""
+ TERMUX_PKG_EXTRA_HOSTBUILD_CONFIGURE_ARGS=""
+ TERMUX_PKG_EXTRA_MAKE_ARGS=""
+ TERMUX_PKG_BUILD_IN_SRC=""
+ TERMUX_PKG_RM_AFTER_INSTALL=""
+ TERMUX_PKG_DEPENDS=""
+ TERMUX_PKG_HOMEPAGE=""
+ TERMUX_PKG_DESCRIPTION="FIXME:Add description"
+ TERMUX_PKG_FOLDERNAME=""
+ TERMUX_PKG_KEEP_STATIC_LIBRARIES="false"
+ TERMUX_PKG_ESSENTIAL=""
+ TERMUX_PKG_CONFLICTS="" # https://www.debian.org/doc/debian-policy/ch-relationships.html#s-conflicts
+ TERMUX_PKG_REPLACES=""
+ TERMUX_PKG_CONFFILES=""
+ TERMUX_PKG_INCLUDE_IN_DEVPACKAGE=""
+ TERMUX_PKG_DEVPACKAGE_DEPENDS=""
+ # Set if a host build should be done in TERMUX_PKG_HOSTBUILD_DIR:
+ TERMUX_PKG_HOSTBUILD=""
+ TERMUX_PKG_MAINTAINER="Fredrik Fornwall @fornwall"
+ TERMUX_PKG_CLANG=no
+
+ unset CFLAGS CPPFLAGS LDFLAGS CXXFLAGS
+}
+
+# Save away and restore build setups which may change between builds.
+termux_step_handle_buildarch() {
+ # If $TERMUX_PREFIX already exists, it may have been built for a different arch
+ local TERMUX_ARCH_FILE=/data/TERMUX_ARCH
+ if [ -f "${TERMUX_ARCH_FILE}" ]; then
+ local TERMUX_PREVIOUS_ARCH
+ TERMUX_PREVIOUS_ARCH=$(cat $TERMUX_ARCH_FILE)
+ if [ "$TERMUX_PREVIOUS_ARCH" != "$TERMUX_ARCH" ]; then
+ local TERMUX_DATA_BACKUPDIRS=$TERMUX_TOPDIR/_databackups
+ mkdir -p "$TERMUX_DATA_BACKUPDIRS"
+ local TERMUX_DATA_PREVIOUS_BACKUPDIR=$TERMUX_DATA_BACKUPDIRS/$TERMUX_PREVIOUS_ARCH
+ local TERMUX_DATA_CURRENT_BACKUPDIR=$TERMUX_DATA_BACKUPDIRS/$TERMUX_ARCH
+ # Save current /data (removing old backup if any)
+ if test -e "$TERMUX_DATA_PREVIOUS_BACKUPDIR"; then
+ termux_error_exit "Directory already exists"
+ fi
+ mv /data/data "$TERMUX_DATA_PREVIOUS_BACKUPDIR"
+ # Restore new one (if any)
+ if [ -d "$TERMUX_DATA_CURRENT_BACKUPDIR" ]; then
+ mv "$TERMUX_DATA_CURRENT_BACKUPDIR" /data/data
+ fi
+ fi
+ fi
+
+ # Keep track of current arch we are building for.
+ echo "$TERMUX_ARCH" > $TERMUX_ARCH_FILE