+dnl --enable-assertions : check whether they want to turn on assertions or not:
+AC_ARG_ENABLE(assertions,AS_HELP_STRING(
+ [--enable-assertions,Compile with assertion checks enabled (default is YES)]),, enableval="yes")
+if test ${enableval} = "yes" ; then
+ AC_SUBST(DISABLE_ASSERTIONS,[[]])
+else
+ AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
+fi
+
+dnl --enable-debug-runtime : should runtime libraries have debug symbols?
+AC_ARG_ENABLE(debug-runtime,
+ AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)
+if test ${enableval} = "no" ; then
+ AC_SUBST(DEBUG_RUNTIME,[[]])
+else
+ AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]])
+fi
+