(belated 0.6.11.2 checkin notes):
[sbcl.git] / make-host-2.sh
index ff32135..a3c2986 100644 (file)
@@ -56,16 +56,32 @@ $SBCL_XC_HOST <<-'EOF' || exit 1
          "Call FN with everything set up appropriately for cross-compiling
          a target file."
          (let (;; Life is simpler at genesis/cold-load time if we
-               ;; needn't worry about byte-compiled code.
-               (sb!ext:*byte-compile-top-level* nil)
-               ;; Let the target know that we're the cross-compiler.
-               (*features* (cons :sb-xc *features*))
-                ;; We need to tweak the readtable..
-                (*readtable* (copy-readtable))
+               ;; needn't worry about byte-compiled code.
+               (sb!ext:*byte-compile-top-level* nil)
                ;; In order to reduce peak memory usage during GENESIS,
                ;; it helps to stuff several toplevel forms together 
-                ;; into the same function.
-               (sb!c::*top-level-lambda-max* 10))
+               ;; into the same function.
+               (sb!c::*top-level-lambda-max* 10)
+               ;; Let the target know that we're the cross-compiler.
+               (*features* (cons :sb-xc *features*))
+               ;; the CROSS-FLOAT-INFINITY-KLUDGE: When building a
+               ;; compiler which runs under the SBCL runtime, which
+               ;; supports floating point infinities, it's safe to
+               ;; build with true PROPAGATE-FLOAT-TYPE and
+               ;; PROPAGATE-FUN-TYPE features. (It wasn't safe
+               ;; when building a cross-compiler to run under the
+               ;; cross-compilation host Lisp).
+               #+nil ; FIXME: suppressed since 0.6.11.3 has no fp infinities
+               (sb-cold:*shebang-features*
+                (substitute
+                 :propagate-float-type
+                 :will-propagate-float-type
+                 (substitute
+                  :propagate-fun-type
+                  :will-propagate-fun-type
+                  sb-cold:*shebang-features*)))
+               ;; We need to tweak the readtable..
+               (*readtable* (copy-readtable)))
             ;; ..in order to make backquotes expand into target code
             ;; instead of host code.
             ;; FIXME: Isn't this now taken care of automatically by