Update build requirements and CI setup (#32)

.github/workflows/main.yml

@@ -14,7 +14,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest ]
-        cxx: [ g++-11 ]
+        cxx: [ g++-13 ]
         lisp: [ sbcl ]
 
     steps:
@@ -25,7 +25,7 @@ jobs:
         run: |
           sudo apt-get update && sudo apt upgrade -y
           sudo apt-get install build-essential ${{ matrix.cxx }} ${{ matrix.lisp }} libxpm-dev
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-11 100 --slave /usr/bin/g++ g++ /usr/bin/g++-11 --slave /usr/bin/gcov gcov /usr/bin/gcov-11
+          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 100 --slave /usr/bin/g++ g++ /usr/bin/g++-13 --slave /usr/bin/gcov gcov /usr/bin/gcov-13
 
       - name: Configure & Build & Test
         run: |

configure

@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for OpenAxiom 1.5.0-2022-09-04.
+# Generated by GNU Autoconf 2.71 for OpenAxiom 1.5.0-2023-12-25.
 #
 # Report bugs to <open-axiom-bugs@lists.sf.net>.
 #
@@ -621,8 +621,8 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='OpenAxiom'
 PACKAGE_TARNAME='openaxiom'
-PACKAGE_VERSION='1.5.0-2022-09-04'
-PACKAGE_STRING='OpenAxiom 1.5.0-2022-09-04'
+PACKAGE_VERSION='1.5.0-2023-12-25'
+PACKAGE_STRING='OpenAxiom 1.5.0-2023-12-25'
 PACKAGE_BUGREPORT='open-axiom-bugs@lists.sf.net'
 PACKAGE_URL=''
 
@@ -1464,7 +1464,7 @@ 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 OpenAxiom 1.5.0-2022-09-04 to adapt to many kinds of systems.
+\`configure' configures OpenAxiom 1.5.0-2023-12-25 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1540,7 +1540,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of OpenAxiom 1.5.0-2022-09-04:";;
+     short | recursive ) echo "Configuration of OpenAxiom 1.5.0-2023-12-25:";;
    esac
   cat <<\_ACEOF
 
@@ -1661,7 +1661,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-OpenAxiom configure 1.5.0-2022-09-04
+OpenAxiom configure 1.5.0-2023-12-25
 generated by GNU Autoconf 2.71
 
 Copyright (C) 2021 Free Software Foundation, Inc.
@@ -2420,7 +2420,7 @@ 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 OpenAxiom $as_me 1.5.0-2022-09-04, which was
+It was created by OpenAxiom $as_me 1.5.0-2023-12-25, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
@@ -4069,7 +4069,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='openaxiom'
- VERSION='1.5.0-2022-09-04'
+ VERSION='1.5.0-2023-12-25'
 
 
 printf "%s\n" "#define PACKAGE \"$PACKAGE\"" >>confdefs.h
@@ -21193,7 +21193,7 @@ cat >>$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 OpenAxiom $as_me 1.5.0-2022-09-04, which was
+This file was extended by OpenAxiom $as_me 1.5.0-2023-12-25, which was
 generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -21265,7 +21265,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
-OpenAxiom config.status 1.5.0-2022-09-04
+OpenAxiom config.status 1.5.0-2023-12-25
 configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 

configure.ac

@@ -1,4 +1,4 @@
-dnl Copyright (C) 2006-2022, Gabriel Dos Reis.
+dnl Copyright (C) 2006-2023, Gabriel Dos Reis.
 dnl All rights reserved.
 dnl
 dnl Redistribution and use in source and binary forms, with or without
@@ -33,7 +33,7 @@ dnl  Makefiles for building OpenAxiom interpreter, compiler, libraries, and
 dnl  auxiliary tools where appropriate.
 dnl
 
-AC_INIT([OpenAxiom],[1.5.0-2022-09-04],[open-axiom-bugs@lists.sf.net])
+AC_INIT([OpenAxiom],[1.5.0-2023-12-25],[open-axiom-bugs@lists.sf.net])
 
 dnl Most of the macros used in this configure.ac are defined in files
 dnl located in the subdirectory config/