Update the ql-to-nix readme

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Brad Jensen 2017-08-31 18:21:55 -07:00
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Prerequisite: have Quicklisp installed somehow. Want to add a package? There are 3 simple steps!
1. Add the needed system names to quicklisp-to-nix-systems.txt.
2. cd <path to quicklisp-to-nix-systems.txt> ; nix-shell --run 'quicklisp-to-nix .'
3. Add native libraries and whatever else is needed to quicklisp-to-nix-overrides.nix.
Add to LD_LIBRARY_PATH all the things listed in quicklisp-to-nix-overrides.nix To update to a more recent quicklisp dist modify
for library propagatedBuildInputs (a lot of these are done via addNativeLibs). lispPackages.quicklisp to have a more recent distinfo.
Current list is: quicklisp-to-nix-system-info is responsible for installing a quicklisp
openssl fuse libuv mariadb libfixposix libev sqlite package into an isolated environment and figuring out which packages
are required by that system. It also extracts other information that
is readily available once the system is loaded. The information
produced by this program is fed into quicklisp-to-nix. You usually
don't need to run this program unless you're trying to understand why
quicklisp-to-nix failed to handle a system. The technique used by
quicklisp-to-nix-system-info is described in its source.
Add the needed system names to quicklisp-to-nix-systems.txt and load quicklisp-to-nix is responsible for reading
quicklisp-to-nix/ql-to-nix.lisp and call quicklisp-to-nix-systems.txt, running quicklisp-to-nix-system-info,
(ql-to-nix "/path/to/nixpkgs/pkgs/development/lisp-modules/") which is often and generating the nix packages associated with the closure of
just (ql-to-nix ".") quicklisp systems.
Add native libraries and whatever else is needed to overrides.
The lispPackages set is supposed to be buildable in its entirety.