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GENERAL INFORMATION Welcome to SBCL. To find out more about who created the system, see the "CREDITS" file. If you'd like information about the legalities of copying the system, see the "COPYING" file. If you'd like to install or build the system, see the "INSTALL" file. If you'd like more information about using the system, see the man page, "sbcl.1", or the user manual in the "doc/" subdirectory of the distribution. (The user manual is maintained as DocBook SGML in the source distribution; there is an HTML version in the binary distribution.) The system is a work in progress. See the "TODO" file in the source distribution for some highlights. If you'd like to make suggestions, report a bug, or help to improve the system, please send mail to one of the mailing lists: email@example.com firstname.lastname@example.org SYSTEM-SPECIFIC HINTS for NetBSD: NetBSD 2.0 and above are required because of the lack of needed signal APIs in NetBSD 1.6 and earlier. for OpenBSD: OpenBSD 3.0 has stricter ulimit values, and/or enforces them more strictly, than its predecessors. Therefore SBCL's initial mmap() won't work unless you increase the limit on the data segment from the OpenBSD defaults, e.g. with ulimit -S -d 1000000 before you run SBCL. Otherwise SBCL fails with a message like "ensure_space: failed to validate xxxxxxx bytes at yyyyy". (SBCL is just allocating this huge address space, not actually using this huge memory at this point. OpenBSD <3.0 had no problem with this, but OpenBSD 3.0 is less hospitable.) for Darwin: PURIFY (which can be used alone but is also used by the system when saving a new core) uses more stack than the default limit on MacOS X.2. Therefore, in order to get PURIFY to work reliably, you need to increase the limit, with e.g. limit stack 8192 # for the default shell, tcsh ulimit -s 8192 # for bash before running SBCL. This is also necessary when building the system from sources, as part of the build process involves saving a new core.