2019-06-24 15:05:19 +03:00
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# Installation
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2020-03-05 20:12:58 +03:00
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Idris 2 is built using Idris, and provides support for two default code
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generation targets: Chez Scheme, and Racket. To build from source, it requires
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at least Idris version 1.3.2 (see https://www.idris-lang.org/download). You
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can also build from the generated C.
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## Quick summary:
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You need a C compiler (default is clang) and Chez Scheme, and optionally
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Idris 1.3.2 to build from source.
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* If you have Idris 1.3.2 installed:
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make install
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* If not, and the generated C is available in `dist`, you can install directly
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from the generated C:
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make install-fromc
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The generated C is available in source distributions. It will not be available
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if you have cloned directly from https://github.com/edwinb/Idris2
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The above commands will build the executable, build the libraries, run the
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tests (if Idris 1 is available), then if all is well, install everything. The
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default installation directory is `$HOME/.idris2`. You can change this by
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setting the `PREFIX` variable in the `Makefile`.
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2019-06-24 15:05:19 +03:00
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2020-03-30 15:06:59 +03:00
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Other settings you can change in the `Makefile` are:
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* `OPT` which sets the optimisation level for compiling the generated C. Leave
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this blank for Idris 2 to build sooner, or set it to `-O2` for a faster
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Idris 2 compiler. `-O2` takes a few minutes!
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* `CC` which sets the C compiler to use. `clang` is the default, but `gcc`
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always works. `clang` generates code faster.
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2019-06-24 15:05:19 +03:00
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## Idris
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There are several sets of instructions on how to install Idris from source and
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binary.
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2019-12-18 23:37:50 +03:00
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+ [Official ipkg installer for macOS](https://www.idris-lang.org/pkgs/idris-current.pkg)
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2019-06-24 15:05:19 +03:00
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+ [Source build instructions from the Idris GitHub Wiki](https://github.com/idris-lang/Idris-dev/wiki/Installation-Instructions)
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+ [Binary installation using Cabal from the Idris Manual](https://idris.readthedocs.io/en/latest/tutorial/starting.html)
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## Code Generation Targets
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Only one of these is absolutely necessary, and you can type check code even
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with none of them installed. The default code generator targets Chez Scheme.
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### Chez
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Chez Scheme is available to build from source:
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+ https://cisco.github.io/ChezScheme/
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2019-08-21 02:24:23 +03:00
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Many popular package managers will provide a binary distribution for Chez. Note
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that homebrew for Mac OS X provides a version without multithreading support, so
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Mac OS X users will want to build from source.
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2019-06-24 15:05:19 +03:00
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2019-07-10 16:18:45 +03:00
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**Note**: If you install ChezScheme from source files, building it locally, make sure
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you run `./configure --threads` to build multithreading support in.
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2019-06-24 15:05:19 +03:00
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### Chicken
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Chicken scheme offers binary distributions (and source tar balls) from
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+ https://code.call-cc.org/
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You can find chicken in many a package manager.
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After installing chicken scheme you may need to install the 'numbers' package.
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### Racket
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Racket is available from:
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+ https://download.racket-lang.org/
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