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guix: Add the 'qt' build system.

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* guix/build-system/qt.scm, guix/build/qt-build-system.scm: New files.
* Makefile.am (MODULES): Add them.
* doc/guix.texi (Buiild systems): Add the new build system.
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Hartmut Goebel 2019-11-24 14:56:48 +01:00
parent c6d130630a
commit b6d852ce6d
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2
Makefile.am
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@ -132,6 +132,7 @@ MODULES = \
guix/build-system/perl.scm \
guix/build-system/python.scm \
guix/build-system/ocaml.scm \
guix/build-system/qt.scm \
guix/build-system/waf.scm \
guix/build-system/r.scm \
guix/build-system/rakudo.scm \
@ -178,6 +179,7 @@ MODULES = \
guix/build/perl-build-system.scm \
guix/build/python-build-system.scm \
guix/build/ocaml-build-system.scm \
guix/build/qt-build-system.scm \
guix/build/r-build-system.scm \
guix/build/rakudo-build-system.scm \
guix/build/ruby-build-system.scm \

21
doc/guix.texi
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@ -47,7 +47,7 @@ Copyright @copyright{} 2017 Thomas Danckaert@*
Copyright @copyright{} 2017 humanitiesNerd@*
Copyright @copyright{} 2017 Christopher Allan Webber@*
Copyright @copyright{} 2017, 2018 Marius Bakke@*
Copyright @copyright{} 2017 Hartmut Goebel@*
Copyright @copyright{} 2017, 2019 Hartmut Goebel@*
Copyright @copyright{} 2017, 2019 Maxim Cournoyer@*
Copyright @copyright{} 2017, 2018, 2019 Tobias Geerinckx-Rice@*
Copyright @copyright{} 2017 George Clemmer@*
@ -6410,6 +6410,25 @@ passes flags specified by the @code{#:make-maker-flags} or
Which Perl package is used can be specified with @code{#:perl}.
@end defvr
@defvr {Scheme Variable} qt-build-system
This variable is exported by @code{(guix build-system qt)}. It
is intended for use with applications using Qt or KDE.
This build system adds the phase @code{qt-wrap} to the ones defined by
@var{cmake-build-system}, after the @code{install} phase.
This phase searches for Qt5 plugin paths, QML paths and some XDG in the inputs
and output. In case some path is found, all programs in the output's
@file{bin/}, @file{sbin/}, @file{libexec/} and @file{lib/libexec/} directories
are wrapped in scripts defining the necessary environment variables.
It is possible to exclude specific package outputs from that wrapping process
by listing their names in the @code{#:qt-wrap-excluded-outputs} parameter.
This is useful when an output is known not to contain any Qt binaries, and
where wrapping would gratuitously add a dependency of that output on Qt, KDE,
or such.
@end defvr
@defvr {Scheme Variable} r-build-system
This variable is exported by @code{(guix build-system r)}. It
implements the build procedure used by @uref{https://r-project.org, R}

295
guix/build-system/qt.scm Normal file
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@ -0,0 +1,295 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Cyril Roelandt <tipecaml@gmail.com>
;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2019 Hartmut Goebel <h.goebel@crazy-compilers.com>
;;;
;;; 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 <http://www.gnu.org/licenses/>.
(define-module (guix build-system qt)
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix derivations)
#:use-module (guix search-paths)
#:use-module (guix build-system)
#:use-module (guix build-system cmake)
#:use-module (guix build-system gnu)
#:use-module (guix packages)
#:use-module (ice-9 match)
#:export (%qt-build-system-modules
qt-build
qt-build-system))
;; Commentary:
;;
;; This build system is an extension of the 'cmake-build-system'. It
;; accommodates the needs of Qt and KDE applications by adding a phase run
;; after the 'install' phase:
;;
;; 'qt-wrap' phase:
;;
;; This phase looks for Qt5 plugin paths, QML paths and some XDG paths as well
;; as the corresponding environment variables. If any of these is found in
;; the output or if respective environment variables are set, then all
;; programs in the output's "bin", "sbin", "libexec and "lib/libexec"
;; directories are wrapped in scripts defining the necessary environment
;; variables.
;;
;; Code:
(define %qt-build-system-modules
;; Build-side modules imported and used by default.
`((guix build qt-build-system)
,@%cmake-build-system-modules))
(define (default-cmake)
"Return the default CMake package."
;; Do not use `@' to avoid introducing circular dependencies.
(let ((module (resolve-interface '(gnu packages cmake))))
(module-ref module 'cmake-minimal)))
;; This barely is a copy from (guix build-system cmake), only adjusted to use
;; the variables defined here.
(define* (lower name
#:key source inputs native-inputs outputs system target
(cmake (default-cmake))
#:allow-other-keys
#:rest arguments)
"Return a bag for NAME."
(define private-keywords
`(#:source #:cmake #:inputs #:native-inputs #:outputs
,@(if target '() '(#:target))))
(bag
(name name)
(system system)
(target target)
(build-inputs `(,@(if source
`(("source" ,source))
'())
,@`(("cmake" ,cmake))
,@native-inputs
,@(if target
;; Use the standard cross inputs of
;; 'gnu-build-system'.
(standard-cross-packages target 'host)
'())
;; Keep the standard inputs of 'gnu-build-system'.
,@(standard-packages)))
(host-inputs inputs)
;; The cross-libc is really a target package, but for bootstrapping
;; reasons, we can't put it in 'host-inputs'. Namely, 'cross-gcc' is a
;; native package, so it would end up using a "native" variant of
;; 'cross-libc' (built with 'gnu-build'), whereas all the other packages
;; would use a target variant (built with 'gnu-cross-build'.)
(target-inputs (if target
(standard-cross-packages target 'target)
'()))
(outputs outputs)
(build (if target qt-cross-build qt-build))
(arguments (strip-keyword-arguments private-keywords arguments))))
(define* (qt-build store name inputs
#:key (guile #f)
(outputs '("out")) (configure-flags ''())
(search-paths '())
(make-flags ''())
(out-of-source? #t)
(build-type "RelWithDebInfo")
(tests? #t)
(test-target "test")
(parallel-build? #t) (parallel-tests? #f)
(validate-runpath? #t)
(patch-shebangs? #t)
(strip-binaries? #t)
(strip-flags ''("--strip-debug"))
(strip-directories ''("lib" "lib64" "libexec"
"bin" "sbin"))
(phases '(@ (guix build qt-build-system)
%standard-phases))
(qt-wrap-excluded-outputs ''())
(system (%current-system))
(imported-modules %qt-build-system-modules)
(modules '((guix build cmake-build-system)
(guix build utils))))
"Build SOURCE using CMAKE, and with INPUTS. This assumes that SOURCE
provides a 'CMakeLists.txt' file as its build system."
(define builder
`(begin
(use-modules ,@modules)
(cmake-build #:source ,(match (assoc-ref inputs "source")
(((? derivation? source))
(derivation->output-path source))
((source)
source)
(source
source))
#:system ,system
#:outputs %outputs
#:inputs %build-inputs
#:search-paths ',(map search-path-specification->sexp
search-paths)
#:phases ,phases
#:qt-wrap-excluded-outputs ,qt-wrap-excluded-outputs
#:configure-flags ,configure-flags
#:make-flags ,make-flags
#:out-of-source? ,out-of-source?
#:build-type ,build-type
#:tests? ,tests?
#:test-target ,test-target
#:parallel-build? ,parallel-build?
#:parallel-tests? ,parallel-tests?
#:validate-runpath? ,validate-runpath?
#:patch-shebangs? ,patch-shebangs?
#:strip-binaries? ,strip-binaries?
#:strip-flags ,strip-flags
#:strip-directories ,strip-directories)))
(define guile-for-build
(match guile
((? package?)
(package-derivation store guile system #:graft? #f))
(#f ; the default
(let* ((distro (resolve-interface '(gnu packages commencement)))
(guile (module-ref distro 'guile-final)))
(package-derivation store guile system #:graft? #f)))))
(build-expression->derivation store name builder
#:system system
#:inputs inputs
#:modules imported-modules
#:outputs outputs
#:guile-for-build guile-for-build))
;;;
;;; Cross-compilation.
;;;
(define* (qt-cross-build store name
#:key
target native-drvs target-drvs
(guile #f)
(outputs '("out"))
(configure-flags ''())
(search-paths '())
(native-search-paths '())
(make-flags ''())
(out-of-source? #t)
(build-type "RelWithDebInfo")
(tests? #f) ; nothing can be done
(test-target "test")
(parallel-build? #t) (parallel-tests? #f)
(validate-runpath? #t)
(patch-shebangs? #t)
(strip-binaries? #t)
(strip-flags ''("--strip-debug"
"--enable-deterministic-archives"))
(strip-directories ''("lib" "lib64" "libexec"
"bin" "sbin"))
(phases '(@ (guix build qt-build-system)
%standard-phases))
(system (%current-system))
(build (nix-system->gnu-triplet system))
(imported-modules %qt-build-system-modules)
(modules '((guix build cmake-build-system)
(guix build utils))))
"Cross-build NAME using CMAKE for TARGET, where TARGET is a GNU triplet and
with INPUTS. This assumes that SOURCE provides a 'CMakeLists.txt' file as its
build system."
(define builder
`(begin
(use-modules ,@modules)
(let ()
(define %build-host-inputs
',(map (match-lambda
((name (? derivation? drv) sub ...)
`(,name . ,(apply derivation->output-path drv sub)))
((name path)
`(,name . ,path)))
native-drvs))
(define %build-target-inputs
',(map (match-lambda
((name (? derivation? drv) sub ...)
`(,name . ,(apply derivation->output-path drv sub)))
((name (? package? pkg) sub ...)
(let ((drv (package-cross-derivation store pkg
target system)))
`(,name . ,(apply derivation->output-path drv sub))))
((name path)
`(,name . ,path)))
target-drvs))
(cmake-build #:source ,(match (assoc-ref native-drvs "source")
(((? derivation? source))
(derivation->output-path source))
((source)
source)
(source
source))
#:system ,system
#:build ,build
#:target ,target
#:outputs %outputs
#:inputs %build-target-inputs
#:native-inputs %build-host-inputs
#:search-paths ',(map search-path-specification->sexp
search-paths)
#:native-search-paths ',(map
search-path-specification->sexp
native-search-paths)
#:phases ,phases
#:configure-flags ,configure-flags
#:make-flags ,make-flags
#:out-of-source? ,out-of-source?
#:build-type ,build-type
#:tests? ,tests?
#:test-target ,test-target
#:parallel-build? ,parallel-build?
#:parallel-tests? ,parallel-tests?
#:validate-runpath? ,validate-runpath?
#:patch-shebangs? ,patch-shebangs?
#:strip-binaries? ,strip-binaries?
#:strip-flags ,strip-flags
#:strip-directories ,strip-directories))))
(define guile-for-build
(match guile
((? package?)
(package-derivation store guile system #:graft? #f))
(#f ; the default
(let* ((distro (resolve-interface '(gnu packages commencement)))
(guile (module-ref distro 'guile-final)))
(package-derivation store guile system #:graft? #f)))))
(build-expression->derivation store name builder
#:system system
#:inputs (append native-drvs target-drvs)
#:outputs outputs
#:modules imported-modules
#:guile-for-build guile-for-build))
(define qt-build-system
(build-system
(name 'qt)
(description
"The CMake build system augmented with definition of suitable environment
variables for Qt and KDE in program wrappers.")
(lower lower)))

109
guix/build/qt-build-system.scm Normal file
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@ -0,0 +1,109 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014 Federico Beffa <beffa@fbengineering.ch>
;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2018 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2019 Hartmut Goebel <h.goebel@crazy-compilers.com>
;;;
;;; 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 <http://www.gnu.org/licenses/>.
(define-module (guix build qt-build-system)
#:use-module ((guix build cmake-build-system) #:prefix cmake:)
#:use-module (guix build utils)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
#:use-module (ice-9 ftw)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (%standard-phases
qt-build))
;; Commentary:
;;
;; Builder-side code of the standard Qt build procedure.
;;
;; Code:
(define (variables-for-wrapping base-directories)
(define (collect-sub-dirs base-directories subdirectory)
(filter-map
(lambda (dir)
(let ((directory (string-append dir subdirectory)))
(if (directory-exists? directory) directory #f)))
base-directories))
(filter
(lambda (var-to-wrap) (not (null? (last var-to-wrap))))
(map
(lambda (var-spec)
`(,(first var-spec) = ,(collect-sub-dirs base-directories (last var-spec))))
(list
;; these shall match the search-path-specification for Qt and KDE
;; libraries
'("XDG_DATA_DIRS" "/share")
'("XDG_CONFIG_DIRS" "/etc/xdg")
'("QT_PLUGIN_PATH" "/lib/qt5/plugins")
'("QML2_IMPORT_PATH" "/lib/qt5/qml")))))
(define* (wrap-all-programs #:key inputs outputs
(qt-wrap-excluded-outputs '())
#:allow-other-keys)
"Implement phase \"qt-wrap\": look for GSettings schemas and
gtk+-v.0 libraries and create wrappers with suitably set environment variables
if found.
Wrapping is not applied to outputs whose name is listed in
QT-WRAP-EXCLUDED-OUTPUTS. This is useful when an output is known not
to contain any Qt binaries, and where wrapping would gratuitously
add a dependency of that output on Qt."
(define (find-files-to-wrap directory)
(append-map
(lambda (dir)
(if (directory-exists? dir) (find-files dir ".*") (list)))
(list (string-append directory "/bin")
(string-append directory "/sbin")
(string-append directory "/libexec")
(string-append directory "/lib/libexec"))))
(define input-directories
;; FIXME: Filter out unwanted inputs, e.g. cmake
(match inputs
(((_ . dir) ...)
dir)))
(define handle-output
(match-lambda
((output . directory)
(unless (member output qt-wrap-excluded-outputs)
(let ((bin-list (find-files-to-wrap directory))
(vars-to-wrap (variables-for-wrapping
(append (list output)
input-directories))))
(when (not (null? vars-to-wrap))
(for-each (cut apply wrap-program <> vars-to-wrap)
bin-list)))))))
(for-each handle-output outputs)
#t)
(define %standard-phases
(modify-phases cmake:%standard-phases
(add-after 'install 'qt-wrap wrap-all-programs)))
(define* (qt-build #:key inputs (phases %standard-phases)
#:allow-other-keys #:rest args)
"Build the given package, applying all of PHASES in order."
(apply cmake:cmake-build #:inputs inputs #:phases phases args))