+AC_ARG_WITH(sysroot,
+[ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
+[
+ case ${with_sysroot} in
+ yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
+ *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
+ esac
+
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
+ use_sysroot=yes
+
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
+ else
+ test_prefix=$prefix
+ fi
+ if test "x$exec_prefix" = xNONE; then
+ test_exec_prefix=$test_prefix
+ else
+ test_exec_prefix=$exec_prefix
+ fi
+ case ${TARGET_SYSTEM_ROOT} in
+ "${test_prefix}"|"${test_prefix}/"*|\
+ "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
+ '${prefix}'|'${prefix}/'*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
+ t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
+ TARGET_SYSTEM_ROOT_DEFINE="$t"
+ ;;
+ esac
+], [
+ use_sysroot=no
+ TARGET_SYSTEM_ROOT=
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
+])
+AC_SUBST(use_sysroot)
+AC_SUBST(TARGET_SYSTEM_ROOT)
+AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+
+dnl Use --enable-gold to decide if this linker should be the default.
+dnl "install_as_default" is set to false if gold is the default linker.
+dnl "installed_linker" is the installed BFD linker name.
+AC_ARG_ENABLE(gold,
+[[ --enable-gold[=ARG] build gold [ARG={both}[/{gold,ld}]]]],
+[case "${enableval}" in
+ yes|both/gold)
+ install_as_default=no
+ installed_linker=ld.bfd
+ ;;
+ both|both/ld)
+ install_as_default=yes
+ installed_linker=ld.bfd
+ ;;
+ *)
+ AC_MSG_ERROR([invalid --enable-gold argument])
+ ;;
+ esac],
+[install_as_default=ld
+ installed_linker=ld])
+AC_SUBST(install_as_default)
+AC_SUBST(installed_linker)
+
+AC_ARG_ENABLE([got],
+AS_HELP_STRING([--enable-got=<type>],
+ [GOT handling scheme (target, single, negative, multigot)]),