SBCL

SBCL is a fork off of the main branch of CMUCL. SBCL is distinguished from CMUCL by a greater emphasis on maintainability. In particular, the SBCL system can be built directly from its source code, so that the output corresponds to the source code in a controlled, verifiable way, and arbitrary changes can be made to the system without causing bootstrapping problems. SBCL also places less emphasis than CMU CL does on new non-ANSI extensions, or on backward compatibility with old non-ANSI features.

More information at the project page at http://sbcl.sourceforge.net/, and on the SBCL Internals CLiki

Common-Lisp-Controller-compatible SBCL Debian (.deb) packages are part of Debian GNU/Linux 3.0/Woody and Debian GNU/Linux 3.1/Sarge for Alpha, x86, PPC, and SPARC. Later releases will include more architectures.

Local pages

• ASDF-Install - ASDF-install is OBSOLETE
• CLORB - CLORB is a CORBA ORB that implements the OMG Lisp Language Mapping for CORBA
• CloserLookAtCharacters -
• CMUCL Hints - A collection of miscellaneous hints and tips for CMUCL users - some also apply to the CMUCL spin-off, SBCL
• Entomotomy - Entomotomy is a shared bug tracking database for CMUCL-derived projects (currently intended for use by CMUCL and SBCL)
• SBCL Internals - SBCL Internals is another CLiki installation for SBCL hackers to document bits of the internals of said CL implementation
• trivial-dump-core - trivial-dump-core is a small, MIT-licensed, wrapper that provides a common interface between lisp implementations for the creation of lisp cores and executables

Building 0.8.4 on Sparc

The Sun's assembler doesn't like the GNU syntax used in the SBCL assembler sources, so something like the following is required:

$ ln -s `which gcc` ~/bin/gcc
$ ln -s `which gas` ~/bin/as
$ export COMPILER_PATH=~/bin

Also, when building from CMUCL you need to add the following stanza to src/cold/ansify.lisp:

#+(and cmu sparc) 
(ext:set-floating-point-modes :traps '(:overflow :invalid :divide-by-zero))

SBCL Advocacy Haiku

(unless (equalp
         (lisp-implementation-type)
         "SBCL") (quit))

#-sbcl(quit)

Scripts

Older versions of SBCL don't tolerate shebang lines (CLISP does). To create an SBCL script, manual/Shebang-Scripts.html suggests using an external trampoline or init hair. That's silly. An executable file without a shebang line defaults to sh. So an SBCL script is simply

$ cat foo
#|
exec sbcl --noinform --load $0 --end-toplevel-options "$@"
|#
(format t "hi~%")
(quit)
$ chmod a+x foo
$ ./foo
hi
$ 

#|
fasl=`dirname $0`/`basename $0 .lisp`.fasl
[ $fasl -ot $0 ] && sbcl --noinform --eval "(compile-file \"$0\")" --eval "(quit)" > /dev/null
exec sbcl --noinform --load $fasl --end-toplevel-options "$@"
|#

Installing SBCL from source not in /usr/local

Unpack the source tarball.

Set INSTALL_ROOT to where you want it to go.

 export INSTALL_ROOT=$HOME

Now use this hack so it will look for the core file in the right place

  export CC="cc '-DSBCL_HOME=\"$INSTALL_ROOT/lib/sbcl/\"'"
  sh make.sh
  sh install.sh

Using Common Lisp Controller with a self installed SBCL

Put this in your .sbclrc

(require 'sb-bsd-sockets) ; needed now because it does not gel well with the path munging by the common-lisp-controller

(load "/usr/share/common-lisp/source/common-lisp-controller/common-lisp-controller.lisp")
(common-lisp-controller:init-common-lisp-controller-v4 "sbcl")

Pages in this topic: ASDF-Install   CLORB   CloserLookAtCharacters   CMUCL Hints   Entomotomy   SBCL Internals   trivial-dump-core  

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