Index: configure.in
===================================================================
diff -u -rb0adbc0c160788b189124e9988437ef7f2ec036c -r04541d31db7c1bc93ddd119df2ad1600e92aef4f
--- configure.in	(.../configure.in)	(revision b0adbc0c160788b189124e9988437ef7f2ec036c)
+++ configure.in	(.../configure.in)	(revision 04541d31db7c1bc93ddd119df2ad1600e92aef4f)
@@ -27,39 +27,33 @@
 #--------------------------------------------------------------------
 
 AC_ARG_WITH(gdbm,
-        [  --with-gdbm=GDBM_INCLUDE_DIR[,GDBM_LIB_DIR]
-            absolute path to gdbm.h and optionally the path to the library, 
-           --without-gdbm disables build of Tcl Gdbm],
+	AC_HELP_STRING([--with-gdbm=GDBM_INCLUDE_DIR,GDBM_LIB_DIR], 
+		 [build with gdbm support; provide path to gdbm.h and optionally
+                 to the shared library (default: off)]),
         [with_gdbm=$withval], [with_gdbm=no])
 AC_ARG_WITH(aolserver3,
-        [  --with-aolserver3=AOL_SERVER_DIR, (containing include ,...)
-           --without-aolserver3 disables build of AOLserver 3 module],
+	AC_HELP_STRING([--with-aolserver3=AOL_SERVER_DIR], 
+		[build an AOLserver 3 module; 
+		point to directory containing aolsever/include (default: off)]),
         [with_aol3=$withval], [with_aol3=no])
 AC_ARG_WITH(actiweb,
-        [  --with-actiweb=yes|no,
-           --without-actiweb disables actiweb components],
+	AC_HELP_STRING([--with-actiweb=yes|no], [build with actiweb components (default: off)]),
         [with_actiweb=$withval], [with_actiweb=no])
-AC_ARG_WITH(all,
-        [  --with-all=yes|no,
-	   --without-all disables built of all],
-        [with_all=$withval], [with_all=no])
 AC_ARG_WITH(expat,
-        [  --with-expat=sys assumes a system-wide expat installation, 
-           --with-expat=<INC_DIR,LIB_DIR> point to a custom expat installation,
-           --without-expat falls back to the bundled expat installation],
+	AC_HELP_STRING([--with-expat], 
+		[ choose expat support; --with-expat=sys assumes a system-wide expat installation
+		   --with-expat=<INC_DIR,LIB_DIR> point to a custom expat installation,
+		   --without-expat falls back to the bundled expat installation]),
         [with_expat=$withval],[with_expat=bundle])
 AC_ARG_WITH(profile,
-        [  --with-profile=yes|no,
-	   --without-profile disables built with profile support],
+	AC_HELP_STRING([--with-profile=yes|no], [--without-profile disables builds with profile support]),
         [with_profile=$withval], [with_profile=no])
+AC_ARG_ENABLE(dtrace,
+	AC_HELP_STRING([--enable-dtrace], [build with dtrace (default: off)]),
+        [enable_dtrace=$enableval], [enable_dtrace=no])
 
 subdirs=""
 
-if test "$with_all" = yes; then
-   with_actiweb=yes
-   with_gdbm=yes
-fi
-
 if test "$with_actiweb" = yes; then
    test_actiweb="test-actiweb"
    libdirs_actiweb="actiweb rdf registry store xml patterns"
@@ -181,6 +175,11 @@
    NSF_PROFILE_FLAG=""
 fi
 
+if test "enable_dtrace" = yes; then
+   AC_DEFINE(NSF_DTRACE, 1, [Are we building with DTrace support?])
+fi
+
+
 #-----------------------------------------------------------------------
 # __CHANGE__
 # Specify the C source files to compile in TEA_ADD_SOURCES,