+ $GNULIB/gnulib-tool --update -S || die "Failed to update Gnulib."
+
+ exec 3>lib/symfiles.tmp 4<lib/symfiles.tmp
+ rm -f lib/symfiles.tmp
+
+ shared_modules='lock tls'
+ set x --extract-recursive-dependencies $shared_modules; shift
+ (set -x; $GNULIB/gnulib-tool "$@" >&3 ) || die "gnulib-tool failed"
+ shared_modules=`LC_ALL=C sort -u <&4`
+
+ set x --extract-filelist $shared_modules; shift
+ ( set -x; $GNULIB/gnulib-tool "$@" >&3 ) || die "gnulib-tool failed"
+ <&4 grep '^lib/.*[.][^vh][^.]*$' | LC_ALL=C sort -u >lib/symfiles