Index: configure.ac
===================================================================
diff -u -r0228cdf0ec65ab129536c20196a05d593ceb59b4 -rfccf09e0f22cd91e00f937625d6510dcf35dbcd4
--- configure.ac	(.../configure.ac)	(revision 0228cdf0ec65ab129536c20196a05d593ceb59b4)
+++ configure.ac	(.../configure.ac)	(revision fccf09e0f22cd91e00f937625d6510dcf35dbcd4)
@@ -14,7 +14,7 @@
 AC_PREREQ([2.69])
 
 define(NsfVersion, 2.1.0)
-AC_INIT([nsf],[NsfVersion], [xotcl@alice.wu-wien.ac.at])
+AC_INIT([nsf], [NsfVersion], [https://sourceforge.net/p/next-scripting/tickets/])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([tclconfig])
@@ -24,7 +24,7 @@
 # This will define a ${TEA_PLATFORM} variable == "unix" or "windows".
 #--------------------------------------------------------------------
 
-TEA_INIT([3.9])
+TEA_INIT([3.10])
 
 #--------------------------------------------------------------------
 # specify some extra flags
@@ -57,7 +57,7 @@
 		[build nsf with memcount debug support (default: disabled)]),
         [enable_memcount=$enableval], [enable_memcount=no])
 AC_ARG_ENABLE([development],
-	AS_HELP_STRING([--enable-development],
+	AS_HELP_STRING([--enable-development=yes|test],
 		[build nsf with development support (intensive runtime checking, etc.; default: disabled)]),
         [enable_development=$enableval], [enable_development=no])
 AC_ARG_ENABLE([assertions],
@@ -104,8 +104,24 @@
 AC_SUBST([NSF_MINOR_VERSION])
 AC_SUBST([NSF_PATCH_LEVEL])
 
-echo "Configuring next Version $PACKAGE_VERSION"
+echo "Configuring NSF Version $PACKAGE_VERSION"
 
+AC_CHECK_PROG(git_installed,git,"yes", "no")
+
+if test "$git_installed" = "yes" -a -d ".git" ; then
+   nsf_commit=`git describe --dirty`
+elif test -f "COMMIT" ; then
+   nsf_commit=`cat COMMIT`
+else
+   nsf_commit=unknown-${PACKAGE_VERSION}
+fi
+
+NSF_COMMIT=$nsf_commit
+AC_SUBST([NSF_COMMIT])
+
+# AC_DEFINE_UNQUOTED([NSF_COMMIT], "$nsf_commit", 
+#       	     [Commit ID at the time of the last configure run.])
+
 #--------------------------------------------------------------------
 # Load the tclConfig.sh file
 #--------------------------------------------------------------------
@@ -181,6 +197,9 @@
 if test "$enable_development" = yes; then
    AC_DEFINE([NSF_DEVELOPMENT], [1], [Are we building with development support?])
 fi
+if test "$enable_development" = full; then
+   AC_DEFINE([NSF_DEVELOPMENT_TEST], [1], [Are we building with development support and intesive testing?])
+fi
 
 if test "$enable_memcount" = yes; then
    AC_DEFINE([NSF_MEM_COUNT], [1], [Are we building with memcount support?])
@@ -226,7 +245,7 @@
 TEA_ADD_INCLUDES([])
 TEA_ADD_LIBS([])
 TEA_ADD_CFLAGS([-DNSF_VERSION=\\\"$NSF_VERSION\\\" -DNSF_PATCHLEVEL=\\\"$NSF_PATCH_LEVEL\\\" \
-	$AOL_DEFINES ])
+-DNSF_COMMIT=\\\"$NSF_COMMIT\\\" $AOL_DEFINES ])
 TEA_ADD_STUB_SOURCES([nsfStubLib.c])
 TEA_ADD_TCL_SOURCES([])