Merge branch 'master' into develop

CHANGELOG

@@ -27,18 +27,23 @@
     install ECL on the preferred destination (specified with "--prefix"
     parameter given to configure script).
 
-* Pending changes since 26.3.27
+* Pending changes since 26.5.5
+
+- build: support for Microsoft Visual Studio Compiler has been dropped
+
+* 26.5.5 changes since 26.3.27
 
 - bugfix: MAKE-PACKAGE destructively modified defining form's cons cells of
   the package local nicknames, breaking package literals in bytecmp (#839)
 
-- build: support for Microsoft Visual Studio Compiler has been dropped
-
 - bugfix: the first environment is now always page-aligned by using the
   same allocation mechanism as all subsequent envs (#828)
 
 - bugfix: allow loading concatenated fasc files (#842)
 
+- bugfix: defclass does not redefine existing classes at compile time with
+  forward-referenced classes (#843)
+
 * 26.3.27 changes since 24.5.10
 
 - Vendored libffi has been updated to the version 3.5.2

src/cmp/cmpenv-proclaim.lsp

@@ -121,9 +121,12 @@
           (si:put-sysprop var 'CMP-TYPE type1))
         (warn "The variable name ~s is not a symbol." var))))
 
+;;; FIXME implement file-local global compiler environment for BCMP compiler and
+;;; unify compiler environment functions with CCMP.
 (defun si:proclaim-class (name class &optional (env c::*cmp-env-root*))
   "Add a class definition to the global compiler environment."
   (si:create-type-name name)
-  (ext:with-backend
-    :c/c++ (cmp-env-register-type name class c::*cmp-env-root*)
-    #-ecl-min :bytecodes #-ecl-min (setf (find-class name) class)))
+  (if *compiler-in-use*
+      (cmp-env-register-type name class c::*cmp-env-root*)
+      (or (find-class name nil)
+          (setf (find-class name) class))))

src/configure

@@ -1,7 +1,7 @@
 #! /bin/sh
 # From configure.ac Revision.
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for ecl 26.3.27.
+# Generated by GNU Autoconf 2.72 for ecl 26.5.5.
 #
 #
 # Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
@@ -602,8 +602,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='ecl'
 PACKAGE_TARNAME='ecl'
-PACKAGE_VERSION='26.3.27'
-PACKAGE_STRING='ecl 26.3.27'
+PACKAGE_VERSION='26.5.5'
+PACKAGE_STRING='ecl 26.5.5'
 PACKAGE_BUGREPORT=''
 PACKAGE_URL=''
 
@@ -1404,7 +1404,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures ecl 26.3.27 to adapt to many kinds of systems.
+'configure' configures ecl 26.5.5 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1474,7 +1474,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of ecl 26.3.27:";;
+     short | recursive ) echo "Configuration of ecl 26.5.5:";;
    esac
   cat <<\_ACEOF
 
@@ -1656,7 +1656,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-ecl configure 26.3.27
+ecl configure 26.5.5
 generated by GNU Autoconf 2.72
 
 Copyright (C) 2023 Free Software Foundation, Inc.
@@ -2258,7 +2258,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by ecl $as_me 26.3.27, which was
+It was created by ecl $as_me 26.5.5, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -12386,7 +12386,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by ecl $as_me 26.3.27, which was
+This file was extended by ecl $as_me 26.5.5, which was
 generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -12450,7 +12450,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-ecl config.status 26.3.27
+ecl config.status 26.5.5
 configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 

src/configure.ac

@@ -8,7 +8,7 @@ dnl  AUTOCONF configuration for ECL
 dnl  Giuseppe Attardi 25.1.1994
 dnl
 
-AC_INIT([ecl],[26.3.27],[])
+AC_INIT([ecl],[26.5.5],[])
 AC_REVISION([$Revision$])
 AC_CONFIG_SRCDIR([bare.lsp.in])
 AC_CONFIG_AUX_DIR([gmp])

src/lsp/predlib.lsp

@@ -36,13 +36,16 @@ Builds a new function which accepts any number of arguments but always outputs N
   (ext:fill-array-with-elt *subtypep-cache* nil 0 nil)
   (ext:fill-array-with-elt *upgraded-array-element-type-cache* nil 0 nil))
 
+;;; FIXME implement file-local global compiler environment for BCMP compiler and
+;;; unify compiler environment functions with CCMP.
 (defun proclaim-class (name class &optional env)
   "Add a class definition to the global compiler environment."
   (declare (ignore env))
-  ;; Default implementation for the bytecodes compiler which doesn't
-  ;; have a separate file-local compiler environment.
+  ;; Default implementation for the bytecodes compiler which doesn't have a
+  ;; separate file-local compiler environment.
   (si:create-type-name name)
-  (setf (find-class name) class))
+  (or (find-class name nil)
+      (setf (find-class name) class)))
 
 (defun create-type-name (name)
   (when (member name *alien-declarations*)