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-rw-r--r--configure.ac8
1 files changed, 7 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 5005425b..75ccc331 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
sinclude(config/open-axiom.m4)
sinclude(config/aclocal.m4)
-AC_INIT([OpenAxiom], [1.2.0-2008-04-03],
+AC_INIT([OpenAxiom], [1.2.0-2008-04-04],
[open-axiom-bugs@lists.sf.net])
AC_CONFIG_AUX_DIR(config)
@@ -260,6 +260,12 @@ case $axiom_include_gcl,$axiom_lisp in
axiom_lisp_flavor=sbcl
;;
*CLISP*)
+ ## Not all variants of CLisp have FFI support. FFI is used
+ ## internally used by OpenAxiom in essential way.
+ if ! $axiom_lisp -q -x '*features*' | grep ':FFI' 2>/dev/null
+ then
+ AC_MSG_ERROR([$axiom_lisp does not support Foreign Function Interface. Please upgrade to a better version of CLisp or install SBCL.])
+ fi
axiom_lisp_flavor=clisp
;;
esac