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#!/bin/bash
# Grab default values for $CFLAGS and such.
source ./configure
[ -z "$PREFIX" ] && PREFIX="/usr/toybox"
# Parse command line arguments.
LONG_PATH=""
while [ ! -z "$1" ]
do
# Create symlinks instead of hardlinks?
[ "$1" == "--symlink" ] && LINK_TYPE="-s"
# Uninstall?
[ "$1" == "--uninstall" ] && UNINSTALL=Uninstall
# Delete destination command if it exists?
[ "$1" == "--force" ] && DO_FORCE="-f"
# Use {,usr}/{bin,sbin} paths instead of all files in one directory?
[ "$1" == "--long" ] && LONG_PATH="bin/"
# Symlink host toolchain binaries to destination to create cross compile $PATH
[ "$1" == "--airlock" ] && AIRLOCK=1
shift
done
echo "Compile instlist..."
NOBUILD=1 scripts/make.sh
$DEBUG $HOSTCC -I . scripts/install.c -o generated/instlist || exit 1
COMMANDS="$(generated/instlist $LONG_PATH)"
echo "${UNINSTALL:-Install} commands..."
# Copy toybox itself
if [ -z "$UNINSTALL" ]
then
mkdir -p "${PREFIX}/${LONG_PATH}" &&
rm -f "${PREFIX}/${LONG_PATH}/toybox" &&
cp toybox"${TARGET:+-$TARGET}" ${PREFIX}/${LONG_PATH} || exit 1
else
rm -f "${PREFIX}/${LONG_PATH}/toybox" 2>/dev/null
fi
cd "$PREFIX" || exit 1
# Make links to toybox
EXIT=0
for i in $COMMANDS
do
# Figure out target of link
if [ -z "$LONG_PATH" ]
then
DOTPATH=""
else
# Create subdirectory for command to go in (if necessary)
DOTPATH="$(dirname "$i")"/
if [ -z "$UNINSTALL" ]
then
mkdir -p "$DOTPATH" || exit 1
fi
if [ -z "$LINK_TYPE" ]
then
DOTPATH="bin/"
else
if [ "$DOTPATH" != "$LONG_PATH" ]
then
# For symlinks we need ../../bin style relative paths
DOTPATH="$(echo $DOTPATH | sed -e 's@[^/]*/@../@g')"$LONG_PATH
else
DOTPATH=""
fi
fi
fi
# Create link
if [ -z "$UNINSTALL" ]
then
ln $DO_FORCE $LINK_TYPE ${DOTPATH}"toybox${TARGET:+-$TARGET}" $i || EXIT=1
else
rm -f $i || EXIT=1
fi
done
[ -z "$AIRLOCK" ] && exit $EXIT
# --airlock creates a single directory you can point the $PATH to for cross
# compiling, which contains just toybox and symlinks to toolchain binaries.
# This not only means you're building with a known set of tools (insulated from
# variations in the host distro), but that everything else is NOT in your PATH
# and thus various configure stages won't find things on thie host that won't
# be there on the target (such as the distcc build noticing the host has
# python and deciding to #include Python.h).
# The following are commands toybox should provide, but doesn't yet.
# For now symlink the host version. This list must go away by 1.0.
PENDING="dd diff expr ftpd less tr vi wget awk sh sha512sum sha256sum unxz xzcat bc bison flex make nm ar gzip"
# "gcc" should go away for llvm, but some things still hardwire it
TOOLCHAIN="as cc ld gcc objdump"
# Tools needed to build packages
for i in $TOOLCHAIN $PENDING $HOST_EXTRA
do
if [ ! -f "$i" ]
then
# Loop through each instance, populating fallback directories (used by
# things like distcc, which require multiple instances of the same binary
# in a known order in the $PATH).
X=0
FALLBACK="$PREFIX"
which -a "$i" | while read j
do
if [ ! -e "$FALLBACK/$i" ]
then
mkdir -p "$FALLBACK" &&
ln -sf "$j" "$FALLBACK/$i" || exit 1
fi
X=$[$X+1]
FALLBACK="$PREFIX/fallback-$X"
done
if [ ! -f "$PREFIX/$i" ]
then
echo "Toolchain component missing: $i" >&2
[ -z "$PEDANTIC" ] || EXIT=1
fi
fi
done
exit $EXIT