somehow I lost the unix subdir; recover it

diff --git a/libraries/configure.ac b/libraries/configure.ac
index 4c4934c..0153579 100644 (file)
--- a/libraries/configure.ac
+++ b/libraries/configure.ac
@@ -32,6 +32,9 @@ fi
 if test -d time; then
   AC_CONFIG_SUBDIRS(time)
 fi
+if test -d unix; then
+  AC_CONFIG_SUBDIRS(unix)
+fi
 if test -d regex-posix; then
   AC_CONFIG_SUBDIRS(regex-posix)
 fi