fi
baseargs="$baseargs --disable-option-checking"
+# Record and document user additions to sub configure arguments.
+AC_ARG_VAR([build_configargs],
+ [additional configure arguments for build directories])
+AC_ARG_VAR([host_configargs],
+ [additional configure arguments for host directories])
+AC_ARG_VAR([target_configargs],
+ [additional configure arguments for target directories])
+
# For the build-side libraries, we just need to pretend we're native,
# and not use the same cache file. Multilibs are neither needed nor
# desired.
-build_configargs="--cache-file=../config.cache ${baseargs}"
+build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in
# Host dirs don't like to share a cache file either, horribly enough.
# This seems to be due to autoconf 2.5x stupidity.
-host_configargs="--cache-file=./config.cache ${extra_host_args} ${baseargs}"
+host_configargs="$host_configargs --cache-file=./config.cache ${extra_host_args} ${baseargs}"
-target_configargs=${baseargs}
+target_configargs="$target_configargs ${baseargs}"
# Passing a --with-cross-host argument lets the target libraries know
# whether they are being built with a cross-compiler or being built