TOYFILES=$(cat .config | sed -nre 's/^CONFIG_(.*)=y/\1/;t skip;b;:skip;s/_.*//;p' | sort -u | tr A-Z a-z | grep -v '^toybox$' | sed 's@\(.*\)@toys/\1.c@' )
+echo "Library probe..."
+
+OPTLIBS="$(for i in util crypt m; do echo "int main(int argc, char *argv[]) {return 0;}" | ${CROSS_COMPILE}${CC} -xc - -o /dev/null -Wl,--as-needed -l$i > /dev/null 2>/dev/null && echo -l$i; done)"
+
echo "Compile toybox..."
do_loudly()
}
do_loudly ${CROSS_COMPILE}${CC} $CFLAGS -I . -o toybox_unstripped $OPTIMIZE \
- main.c lib/*.c $TOYFILES -Wl,--as-needed,-lutil,--no-as-needed -Wl,--as-needed,-lcrypt,--no-as-needed || exit 1
+ main.c lib/*.c $TOYFILES -Wl,--as-needed $OPTLIBS || exit 1
do_loudly ${CROSS_COMPILE}${STRIP} toybox_unstripped -o toybox || exit 1
# gcc 4.4's strip command is buggy, and doesn't set the executable bit on
# its output the way SUSv4 suggests it do so.