fix: README -> README.md (working, this time)
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[](https://github.com/cisco/ChezScheme/actions/workflows/test.yml)
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Chez Scheme is both a programming language and an implementation
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of that language, with supporting tools and documentation.
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As a superset of the language described in the
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[Revised<sup>6</sup> Report on the Algorithmic Language Scheme](http://www.r6rs.org)
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(R6RS), Chez Scheme supports all standard features of Scheme,
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including first-class procedures, proper treatment of tail calls,
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continuations, user-defined records, libraries, exceptions, and
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hygienic macro expansion.
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Chez Scheme also includes extensive support for interfacing with C
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and other languages, support for multiple threads possibly running
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on multiple cores, non-blocking I/O, and many other features.
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The Chez Scheme implementation consists of a compiler, run-time
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system, and programming environment.
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Although an interpreter is available, all code is compiled by
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default.
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Source code is compiled on-the-fly when loaded from a source file
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or entered via the shell.
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A source file can also be precompiled into a stored binary form and
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automatically recompiled when its dependencies change.
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Whether compiling on the fly or precompiling, the compiler produces
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optimized machine code, with some optimization across separately
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compiled library boundaries.
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The compiler can also be directed to perform whole-program compilation,
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which does full cross-library optimization and also reduces a
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program and the libraries upon which it depends to a single binary.
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The run-time system interfaces with the operating system and supports,
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among other things, binary and textual (Unicode) I/O, automatic
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storage management (dynamic memory allocation and generational
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garbage collection), library management, and exception handling.
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By default, the compiler is included in the run-time system, allowing
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programs to be generated and compiled at run time, and storage for
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dynamically compiled code, just like any other dynamically allocated
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storage, is automatically reclaimed by the garbage collector.
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The programming environment includes a source-level debugger, a
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mechanism for producing HTML displays of profile counts and program
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"hot spots" when profiling is enabled during compilation, tools for
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inspecting memory usage, and an interactive shell interface (the
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expression editor, or "expeditor" for short) that supports multi-line
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expression editing.
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The R6RS core of the Chez Scheme language is described in
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[The Scheme Programming Language](http://www.scheme.com/tspl4/),
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which also includes an introduction to Scheme and a set of example programs.
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Chez Scheme's additional language, run-time system, and
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programming environment features are described in the
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[Chez Scheme User's Guide](http://cisco.github.io/ChezScheme/csug9.5/csug.html).
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The latter includes a shared index and a shared summary of forms,
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with links where appropriate to the former, so it is often the best
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starting point.
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Get started with Chez Scheme by [Building Chez Scheme](BUILDING).
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For more information see the [Chez Scheme Project Page](https://cisco.github.io/ChezScheme/).
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# chez-openbsd - mirror of ChezScheme with OpenBSD boot files
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## ChezScheme v9.5.9
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**THIS REPO IS A MIRROR OF [CHEZSCHEME](https://github.com/cisco/ChezScheme) CONTAINING OPENBSD BOOT FILES.**
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I am not the owner of ChezScheme nor a developer of ChezScheme.
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Please send issues related to ChezScheme directly to their [Github repo](https://github.com/cisco/ChezScheme).
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You'll find a copy of the original README in `README.original.md`.
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To build on OpenBSD, simply do:
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```bash
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$ ./configure --threads
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$ gmake -jN
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```
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`--threads` enables (posix) thread support and the `N` in `-jN` being the number of cores in your system.
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See [releases](https://basedwa.re/tmtt/chez-openbsd/releases).
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See [the original blogpost](https://heimdall.pm/blog/2022/07/28/how-to-build-chezscheme-on-openbsd.html) for more information.
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@ -0,0 +1,60 @@
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[](https://github.com/cisco/ChezScheme/actions/workflows/test.yml)
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Chez Scheme is both a programming language and an implementation
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of that language, with supporting tools and documentation.
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As a superset of the language described in the
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[Revised<sup>6</sup> Report on the Algorithmic Language Scheme](http://www.r6rs.org)
|
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(R6RS), Chez Scheme supports all standard features of Scheme,
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including first-class procedures, proper treatment of tail calls,
|
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continuations, user-defined records, libraries, exceptions, and
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hygienic macro expansion.
|
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Chez Scheme also includes extensive support for interfacing with C
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and other languages, support for multiple threads possibly running
|
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on multiple cores, non-blocking I/O, and many other features.
|
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The Chez Scheme implementation consists of a compiler, run-time
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system, and programming environment.
|
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Although an interpreter is available, all code is compiled by
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default.
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Source code is compiled on-the-fly when loaded from a source file
|
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or entered via the shell.
|
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A source file can also be precompiled into a stored binary form and
|
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automatically recompiled when its dependencies change.
|
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Whether compiling on the fly or precompiling, the compiler produces
|
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optimized machine code, with some optimization across separately
|
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compiled library boundaries.
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The compiler can also be directed to perform whole-program compilation,
|
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which does full cross-library optimization and also reduces a
|
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program and the libraries upon which it depends to a single binary.
|
||||
|
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The run-time system interfaces with the operating system and supports,
|
||||
among other things, binary and textual (Unicode) I/O, automatic
|
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storage management (dynamic memory allocation and generational
|
||||
garbage collection), library management, and exception handling.
|
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By default, the compiler is included in the run-time system, allowing
|
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programs to be generated and compiled at run time, and storage for
|
||||
dynamically compiled code, just like any other dynamically allocated
|
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storage, is automatically reclaimed by the garbage collector.
|
||||
|
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The programming environment includes a source-level debugger, a
|
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mechanism for producing HTML displays of profile counts and program
|
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"hot spots" when profiling is enabled during compilation, tools for
|
||||
inspecting memory usage, and an interactive shell interface (the
|
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expression editor, or "expeditor" for short) that supports multi-line
|
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expression editing.
|
||||
|
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The R6RS core of the Chez Scheme language is described in
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[The Scheme Programming Language](http://www.scheme.com/tspl4/),
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which also includes an introduction to Scheme and a set of example programs.
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Chez Scheme's additional language, run-time system, and
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programming environment features are described in the
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[Chez Scheme User's Guide](http://cisco.github.io/ChezScheme/csug9.5/csug.html).
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The latter includes a shared index and a shared summary of forms,
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with links where appropriate to the former, so it is often the best
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starting point.
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Get started with Chez Scheme by [Building Chez Scheme](BUILDING).
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For more information see the [Chez Scheme Project Page](https://cisco.github.io/ChezScheme/).
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Reference in New Issue