termux-packages/packages/busybox/build.sh

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TERMUX_PKG_HOMEPAGE=http://www.busybox.net/
TERMUX_PKG_DESCRIPTION="Tiny versions of many common UNIX utilities into a single small executable"
TERMUX_PKG_ESSENTIAL=yes
TERMUX_PKG_VERSION=1.24.2
TERMUX_PKG_BUILD_REVISION=5
TERMUX_PKG_SRCURL=http://www.busybox.net/downloads/busybox-${TERMUX_PKG_VERSION}.tar.bz2
TERMUX_PKG_BUILD_IN_SRC=yes
# We replace env in the old coreutils package:
TERMUX_PKG_CONFLICTS="coreutils (<< 8.25-4)"
# NOTE: sed on mac does not work for building busybox, install gsed and symlink sed => gsed
CFLAGS+=" -llog -DTERMUX_EXPOSE_MEMPCPY=1" # Android system liblog.so for syslog
termux_step_configure () {
# Bug in gold linker with busybox in android r10e:
# https://sourceware.org/ml/binutils/2015-02/msg00386.html
CFLAGS+=" -fuse-ld=bfd"
LD+=.bfd
cp $TERMUX_PKG_BUILDER_DIR/busybox.config .config
echo "CONFIG_SYSROOT=\"$TERMUX_STANDALONE_TOOLCHAIN/sysroot\"" >> .config
echo "CONFIG_PREFIX=\"$TERMUX_PREFIX\"" >> .config
echo "CONFIG_CROSS_COMPILER_PREFIX=\"${TERMUX_HOST_PLATFORM}-\"" >> .config
echo "CONFIG_FEATURE_CROND_DIR=\"$TERMUX_PREFIX/var/spool/cron\"" >> .config
make oldconfig
}
termux_step_post_make_install () {
# Create symlinks in $PREFIX/bin/applets to $PREFIX/bin/busybox
rm -Rf $TERMUX_PREFIX/bin/applets
mkdir -p $TERMUX_PREFIX/bin/applets
cd $TERMUX_PREFIX/bin/applets
for f in `cat $TERMUX_PKG_SRCDIR/busybox.links`; do ln -s ../busybox `basename $f`; done
# The 'ash' and 'env' applets are special in that they go into $PREFIX/bin:
cd $TERMUX_PREFIX/bin
ln -f -s busybox ash
ln -f -s busybox env
# Install busybox man page
mkdir -p $TERMUX_PREFIX/share/man/man1
cp $TERMUX_PKG_SRCDIR/docs/busybox.1 $TERMUX_PREFIX/share/man/man1
# Needed for 'crontab -e' to work out of the box:
local _CRONTABS=$TERMUX_PREFIX/var/spool/cron/crontabs
mkdir -p $_CRONTABS
echo "Used by the busybox crontab and crond tools" > $_CRONTABS/README.termux
}