Re: [PATCH 03/31] build: Add wrap-qt-program.

[Ricardo Wurmus <rekado@elephly.net>]

David Craven <david@craven.ch> writes:

> * guix/build/qt-utils.scm (wrap-qt-program): New file.

Please also mention the change to MODULES in the Makefile.am.  Other
than that it looks good to me.

~~ Ricardo

> ---
>  Makefile.am             |  1 +
>  guix/build/qt-utils.scm | 40 ++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 41 insertions(+)
>  create mode 100644 guix/build/qt-utils.scm
>
> diff --git a/Makefile.am b/Makefile.am
> index 8bae85e..165dfe9 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -107,6 +107,7 @@ MODULES =					\
>    guix/build/emacs-utils.scm			\
>    guix/build/graft.scm				\
>    guix/build/bournish.scm			\
> +  guix/build/qt-utils.scm			\
>    guix/search-paths.scm				\
>    guix/packages.scm				\
>    guix/import/utils.scm				\
> diff --git a/guix/build/qt-utils.scm b/guix/build/qt-utils.scm
> new file mode 100644
> index 0000000..48a3267
> --- /dev/null
> +++ b/guix/build/qt-utils.scm
> @@ -0,0 +1,40 @@
> +;;; GNU Guix --- Functional package management for GNU
> +;;; Copyright © 2016 David Craven <david@craven.ch>
> +;;;
> +;;; 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-utils)
> +  #:use-module (guix build utils)
> +  #:export (wrap-qt-program))
> +
> +(define (wrap-qt-program out program)
> +  (define (suffix env-var path)
> +    (let ((env-val (getenv env-var)))
> +      (if env-val (string-append env-val ":" path) path)))
> +
> +  (let ((qml-path        (suffix "QML2_IMPORT_PATH"
> +                                 (string-append out "/qml")))
> +        (plugin-path     (suffix "QT_PLUGIN_PATH"
> +                                 (string-append out "/plugins")))
> +        (xdg-data-path   (suffix "XDG_DATA_DIRS"
> +                                 (string-append out "/share")))
> +        (xdg-config-path (suffix "XDG_CONFIG_DIRS"
> +                                 (string-append out "/etc/xdg"))))
> +    (wrap-program (string-append out "/bin/" program)
> +      `("QML2_IMPORT_PATH" = (,qml-path))
> +      `("QT_PLUGIN_PATH" = (,plugin-path))
> +      `("XDG_DATA_DIRS" = (,xdg-data-path))
> +      `("XDG_CONFIG_DIRS" = (,xdg-config-path)))))