build

#!/bin/bash -e

# Copyright © 2020-2026 Matt Robinson
#
# SPDX-License-Identifier: MIT

if [ -z "$ANDROID_NDK_HOME" ]; then
    echo "ANDROID_NDK_HOME is not set" >&2
    exit 1
fi

TARGET=${TARGET:-armv7a-linux-androideabi}
PLATFORM=21

toolchain=$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64
version=$(cat dropbear-version)
patches=$(find . -maxdepth 1 -name "*.patch" | wc -l)
[ "$patches" -lt 1 ] && unset -v patches

[ -d buildinfo ] || mkdir buildinfo
echo $PLATFORM > buildinfo/minsdk
echo "$version${patches+p$patches}" > buildinfo/release
grep Pkg.Revision "$ANDROID_NDK_HOME/source.properties" | \
    cut -d ' ' -f 3 >> buildinfo/ndkver

git clone --branch "$version" --depth 1 https://github.com/mkj/dropbear.git
cd dropbear

if [ "$patches" ]; then
    for patch in ../*.patch; do
        patch -p1 < "$patch"
    done
fi

./configure --host="$TARGET" --disable-lastlog --disable-utmp --disable-wtmp \
    AR="$toolchain/bin/llvm-ar" \
    CC="$toolchain/bin/$TARGET$PLATFORM-clang" \
    RANLIB="$toolchain/bin/llvm-ranlib" \
    STRIP="$toolchain/bin/llvm-strip"

cp ../localoptions.h .

make PROGRAMS="dropbear dbclient dropbearkey dropbearconvert scp" \
     SCPPROGRESS=1 strip