compiler: implement with-compilation-unit macro.

* lisp.c (compiler_set_entries): Add with-compilation-unit to
autoload symbols for compile module.

* share/txr/stdlib/compiler.tl (usr:with-compilation-unit):
New macro.
(usr:compile-file): Use with-compilation-unit macro to
dump warnings if a file is processed alone.

* txr.1: Documented.

1 files changed, 1 insertions, 0 deletions

diff --git a/lisplib.c b/lisplib.c
index 0a31f1db..ce59dd1d 100644
--- a/lisplib.c
+++ b/lisplib.c
@@ -679,6 +679,7 @@ static val compiler_set_entries(val dlt, val fun)
   };
   val name[] = {
     lit("compile-toplevel"), lit("compile-file"), lit("compile"),
+    lit("with-compilation-unit"),
     nil
   };