Index: /trunk/FACT++/aclocal.m4
===================================================================
--- /trunk/FACT++/aclocal.m4	(revision 17176)
+++ /trunk/FACT++/aclocal.m4	(revision 17177)
@@ -1725,5 +1725,5 @@
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 17
+#serial 16
 
 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
@@ -1899,12 +1899,5 @@
         case "${host_cpu}-${host_os}" in
             *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";;
-            *-osf* | *-hpux*) flag="-D_REENTRANT";;
-            *solaris*)
-            if test "$GCC" = "yes"; then
-                flag="-D_REENTRANT"
-            else
-                flag="-mt -D_REENTRANT"
-            fi
-            ;;
+            *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";;
         esac
         AC_MSG_RESULT(${flag})