110 lines
4.6 KiB
Scheme
110 lines
4.6 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2012, 2013, 2014, 2016 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 (gnu packages pkg-config)
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#:use-module (guix licenses)
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#:use-module (guix packages)
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#:use-module (guix download)
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#:use-module (guix build-system gnu)
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#:use-module (guix build-system trivial)
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#:export (pkg-config))
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;; This is the "primitive" pkg-config package. People should use `pkg-config'
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;; (see below) rather than `%pkg-config', but we export `%pkg-config' so that
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;; `fold-packages' finds it.
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(define-public %pkg-config
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(package
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(name "pkg-config")
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(version "0.29")
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(source (origin
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(method url-fetch)
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(uri (string-append
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"http://pkgconfig.freedesktop.org/releases/pkg-config-"
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version ".tar.gz"))
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(sha256
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(base32
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"0sq09a39wj4cxf8l2jvkq067g08ywfma4v6nhprnf351s82pfl68"))))
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(build-system gnu-build-system)
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(arguments `(#:configure-flags '("--with-internal-glib")))
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(native-search-paths
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(list (search-path-specification
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(variable "PKG_CONFIG_PATH")
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(files '("lib/pkgconfig" "lib64/pkgconfig" "share/pkgconfig")))))
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(home-page "http://www.freedesktop.org/wiki/Software/pkg-config")
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(license gpl2+)
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(synopsis "Helper tool used when compiling applications and libraries")
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(description
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"pkg-config is a helper tool used when compiling applications and
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libraries. It helps you insert the correct compiler options on the
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command line so an application can use gcc -o test test.c `pkg-config
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--libs --cflags glib-2.0` for instance, rather than hard-coding values
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on where to find glib (or other libraries). It is language-agnostic, so
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it can be used for defining the location of documentation tools, for
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instance.")))
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(define (cross-pkg-config target)
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"Return a pkg-config for TARGET, essentially just a wrapper called
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`TARGET-pkg-config', as `configure' scripts like it."
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;; See <http://www.flameeyes.eu/autotools-mythbuster/pkgconfig/cross-compiling.html>
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;; for details.
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(package (inherit %pkg-config)
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(name (string-append (package-name %pkg-config) "-" target))
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(build-system trivial-build-system)
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(arguments
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`(#:modules ((guix build utils))
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#:builder (begin
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(use-modules (guix build utils))
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(let* ((in (assoc-ref %build-inputs "pkg-config"))
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(out (assoc-ref %outputs "out"))
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(bin (string-append out "/bin"))
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(prog (string-append ,target "-pkg-config"))
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(native (string-append in "/bin/pkg-config")))
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(mkdir-p bin)
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;; Create a `TARGET-pkg-config' -> `pkg-config' symlink.
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;; This satisfies the pkg.m4 macros, which use
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;; AC_PROG_TOOL to determine the `pkg-config' program
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;; name.
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(symlink native (string-append bin "/" prog))
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;; Also make 'pkg.m4' available, some packages might
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;; expect it.
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(mkdir-p (string-append out "/share"))
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(symlink (string-append in "/share/aclocal")
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(string-append out "/share/aclocal"))))))
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(native-inputs `(("pkg-config" ,%pkg-config)))
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;; Ignore native inputs, and set `PKG_CONFIG_PATH' for target inputs.
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(native-search-paths '())
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(search-paths (package-native-search-paths %pkg-config))))
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(define (pkg-config-for-target target)
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"Return a pkg-config package for TARGET, which may be either #f for a native
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build, or a GNU triplet."
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(if target
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(cross-pkg-config target)
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%pkg-config))
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;; This hack allows us to automatically choose the native or the cross
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;; `pkg-config' depending on whether it's being used in a cross-build
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;; environment or not.
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(define-syntax pkg-config
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(identifier-syntax (pkg-config-for-target (%current-target-system))))
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