adding Exceptions (disabled by default)

ChangeLog

+Thu Nov 06          2003 Lynn Garren <garren@fnal.gov>
+
+	*  adding ZOOM Exceptions package for FNAL
+	*  adding supporting RefCount and Cast packages
+
 Thu Oct 23          2003 Lynn Garren <garren@fnal.gov>
 
 	* tagged for CLHEP 1.9.0.0

Makefile.am

@@ -2,7 +2,9 @@
 
 includedir = $(prefix)/include/CLHEP
 
-SUBDIRS = Vector Evaluator GenericFunctions Geometry Matrix Random RandomObjects Units Utilities HepPDT HepMC StdHep
+SUBDIRS = Vector Evaluator GenericFunctions Geometry Matrix Random \
+          RandomObjects Units Utilities HepPDT HepMC StdHep \
+          RefCount Cast Exceptions
 
 bin_SCRIPTS = clheplib
 

configure.in

@@ -19,7 +19,21 @@ AC_PROG_LIBTOOL
 # subpackages
 # ----------------------------------------------------------------------
 
-AC_CONFIG_SUBDIRS(Vector Evaluator GenericFunctions Geometry Matrix Random RandomObjects Units Utilities HepPDT HepMC StdHep)
+AC_CONFIG_SUBDIRS(Vector Evaluator GenericFunctions Geometry Matrix Random RandomObjects Units Utilities HepPDT HepMC StdHep RefCount Cast Exceptions)
+
+# ----------------------------------------------------------------------
+# --enable-exceptions or --disable-exceptions
+# --disable-exceptions is the default
+# ----------------------------------------------------------------------
+
+AC_ARG_ENABLE(exceptions,
+   AC_HELP_STRING([--enable-exceptions],[use CLHEP/Exceptions (off by default)]),
+        [case "${enableval}" in
+          yes) AC_SUBST(use_exceptions,["#define ENABLE_ZOOM_EXCEPTIONS"]) ;;
+          no)  AC_SUBST(use_exceptions,["#undef  ENABLE_ZOOM_EXCEPTIONS"]) ;;
+          *)   AC_SUBST(use_exceptions,["#define ENABLE_ZOOM_EXCEPTIONS"]) ;;
+        esac],
+        [AC_SUBST(use_exceptions,["#undef  ENABLE_ZOOM_EXCEPTIONS"])])
 
 # ----------------------------------------------------------------------
 # Identify the files that 'configure' is to produce: