From e89431bf016830a919ec2430889f6c2679aab408 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= Date: Mon, 4 May 2015 22:11:37 +0200 Subject: Move search path specifications to (guix search-paths). * guix/packages.scm (, search-path-specification->sexp, sexp->search-path-specification): Move to... * guix/search-paths.scm: ... here. New file. * Makefile.am (MODULES): Add it. * guix/build-system/cmake.scm, guix/build-system/glib-or-gtk.scm, guix/build-system/gnu.scm, guix/build-system/haskell.scm, guix/build-system/perl.scm, guix/build-system/python.scm, guix/build-system/ruby.scm, guix/build-system/waf.scm, guix/profiles.scm, guix/scripts/package.scm: Use it. --- guix/search-paths.scm | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 guix/search-paths.scm (limited to 'guix/search-paths.scm') diff --git a/guix/search-paths.scm b/guix/search-paths.scm new file mode 100644 index 0000000000..147bfcae8c --- /dev/null +++ b/guix/search-paths.scm @@ -0,0 +1,77 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2013, 2014, 2015 Ludovic Courtès +;;; +;;; This file is part of GNU Guix. +;;; +;;; GNU Guix is free software; you can redistribute it and/or modify it +;;; under the terms of the GNU General Public License as published by +;;; the Free Software Foundation; either version 3 of the License, or (at +;;; your option) any later version. +;;; +;;; GNU Guix is distributed in the hope that it will be useful, but +;;; WITHOUT ANY WARRANTY; without even the implied warranty of +;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;;; GNU General Public License for more details. +;;; +;;; You should have received a copy of the GNU General Public License +;;; along with GNU Guix. If not, see . + +(define-module (guix search-paths) + #:use-module (guix records) + #:use-module (ice-9 match) + #:export ( + search-path-specification + search-path-specification? + search-path-specification-variable + search-path-specification-files + search-path-specification-separator + search-path-specification-file-type + search-path-specification-file-pattern + + search-path-specification->sexp + sexp->search-path-specification)) + +;;; Commentary: +;;; +;;; This module defines "search path specifications", which allow packages to +;;; declare environment variables that they use to define search paths. For +;;; instance, GCC has the 'CPATH' variable, Guile has the 'GUILE_LOAD_PATH' +;;; variable, etc. +;;; +;;; Code: + +;; The specification of a search path. +(define-record-type* + search-path-specification make-search-path-specification + search-path-specification? + (variable search-path-specification-variable) ;string + (files search-path-specification-files) ;list of strings + (separator search-path-specification-separator ;string + (default ":")) + (file-type search-path-specification-file-type ;symbol + (default 'directory)) + (file-pattern search-path-specification-file-pattern ;#f | string + (default #f))) + +(define (search-path-specification->sexp spec) + "Return an sexp representing SPEC, a . The sexp +corresponds to the arguments expected by `set-path-environment-variable'." + ;; Note that this sexp format is used both by build systems and in + ;; (guix profiles), so think twice before you change it. + (match spec + (($ variable files separator type pattern) + `(,variable ,files ,separator ,type ,pattern)))) + +(define (sexp->search-path-specification sexp) + "Convert SEXP, which is as returned by 'search-path-specification->sexp', to +a object." + (match sexp + ((variable files separator type pattern) + (search-path-specification + (variable variable) + (files files) + (separator separator) + (file-type type) + (file-pattern pattern))))) + +;;; search-paths.scm ends here -- cgit v1.2.3