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3309e3a103
* guix/build/rpath.scm: New file. * Makefile.am (MODULES): Add it. * gnu/packages/python.scm (python): Use it; remove local copy of the *rpath* procedures. * gnu/packages/samba.scm (samba): Likewise.
59 lines
1.9 KiB
Scheme
59 lines
1.9 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build rpath)
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#:use-module (ice-9 popen)
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#:use-module (ice-9 rdelim)
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#:export (%patchelf
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file-rpath
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augment-rpath))
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;;; Commentary:
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;;;
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;;; Tools to manipulate the RPATH and RUNPATH of ELF binaries. Currently they
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;;; rely on PatchELF.
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;;;
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;;; Code:
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(define %patchelf
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;; The `patchelf' command.
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(make-parameter "patchelf"))
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(define %not-colon
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(char-set-complement (char-set #\:)))
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(define (file-rpath file)
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"Return the RPATH (or RUNPATH) of FILE as a list of directory names, or #f
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on failure."
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(let* ((p (open-pipe* OPEN_READ (%patchelf) "--print-rpath" file))
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(l (read-line p)))
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(and (zero? (close-pipe p))
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(string-tokenize l %not-colon))))
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(define (augment-rpath file dir)
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"Add DIR to the front of the RPATH and RUNPATH of FILE. Return the new
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RPATH as a list, or #f on failure."
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(let* ((rpath (or (file-rpath file) '()))
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(rpath* (cons dir rpath)))
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(format #t "~a: changing RPATH from ~s to ~s~%"
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file rpath rpath*)
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(and (zero? (system* (%patchelf) "--set-rpath"
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(string-join rpath* ":") file))
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rpath*)))
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;;; rpath.scm ends here
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