GNU bug report logs - #38612
Pass system and target arguments to gexp->file.

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Message #23 received at 38612 <at> debbugs.gnu.org (full text, mbox):

From: Mathieu Othacehe <m.othacehe <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 38612 <at> debbugs.gnu.org
Subject: Re: [bug#38612] Pass system and target arguments to gexp->file.
Date: Wed, 25 Dec 2019 10:42:48 +0100

[Message part 1 (text/plain, inline)]

Hello,

Turns out two more patches in the same vein are needed in (gnu services)
and (gnu system). They are attached here.

Thanks,

Mathieu

[0001-system-operating-system-boot-parameters-file-Fix-cro.patch (text/x-diff, inline)]

From a05baf4f4328ce2ca6da6860f6e596cd7559a08a Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <m.othacehe <at> gmail.com>
Date: Tue, 24 Dec 2019 18:24:37 +0100
Subject: [PATCH 1/2] system: operating-system-boot-parameters-file: Fix
 cross-compilation.

* gnu/system.scm (operating-system-boot-parameters-file): Add system and
target arguments and pass them to gexp->file call,
(operating-system-directory-base-entries): pass current system and target to
operating-system-boot-parameters-file procedure.
---
 gnu/system.scm | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/gnu/system.scm b/gnu/system.scm
index abdbb081e6..e7af7e7b47 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -470,7 +470,10 @@ value of the SYSTEM-SERVICE-TYPE service."
   (let ((locale (operating-system-locale-directory os)))
     (mlet %store-monad ((kernel -> (operating-system-kernel os))
                         (initrd -> (operating-system-initrd-file os))
-                        (params    (operating-system-boot-parameters-file os)))
+                        (params    (operating-system-boot-parameters-file
+                                    os
+                                    #:system (%current-system)
+                                    #:target (%current-target-system))))
       (return `(("kernel" ,kernel)
                 ("parameters" ,params)
                 ("initrd" ,initrd)
@@ -1048,8 +1051,12 @@ such as '--root' and '--load' to <boot-parameters>."
     (_
      device)))
 
-(define* (operating-system-boot-parameters-file os
-                                                #:key system-kernel-arguments?)
+(define* (operating-system-boot-parameters-file
+          os
+          #:key
+          system-kernel-arguments?
+          system
+          target)
    "Return a file that describes the boot parameters of OS.  The primary use of
 this file is the reconstruction of GRUB menu entries for old configurations.
 
@@ -1085,7 +1092,9 @@ being stored into the \"parameters\" file)."
                      (device
                       #$(device->sexp (boot-parameters-store-device params)))
                      (mount-point #$(boot-parameters-store-mount-point params))))
-                 #:set-load-path? #f)))
+                 #:set-load-path? #f
+                 #:system system
+                 #:target target)))
 
 (define-gexp-compiler (operating-system-compiler (os <operating-system>)
                                                  system target)
-- 
2.24.1

[0002-services-Fix-cross-compilation.patch (text/x-diff, inline)]

From 0ce67afc4f33074e20824751c22ba01cf6a3e184 Mon Sep 17 00:00:00 2001
From: Mathieu Othacehe <m.othacehe <at> gmail.com>
Date: Wed, 25 Dec 2019 09:49:53 +0100
Subject: [PATCH 2/2] services: Fix cross-compilation.

* gnu/services.scm (system-derivation): Pass current system and target at bind
time to lower-object,
(compute-boot-script): also pass current system and target at bind time to
gexp->file.
---
 gnu/services.scm | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)

diff --git a/gnu/services.scm b/gnu/services.scm
index e7a3a95e43..e6f8ae0fb0 100644
--- a/gnu/services.scm
+++ b/gnu/services.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo <at> gnu.org>
 ;;; Copyright © 2016 Chris Marusich <cmmarusich <at> gmail.com>
+;;; Copyright © 2019 Mathieu Othacehe <m.othacehe <at> gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -321,11 +322,15 @@ This is a shorthand for (map (lambda (svc) ...) %base-services)."
 (define (system-derivation mentries mextensions)
   "Return as a monadic value the derivation of the 'system' directory
 containing the given entries."
-  (mlet %store-monad ((entries    mentries)
+  (mlet %store-monad ((system (current-system))
+                      (target (current-target-system))
+                      (entries    mentries)
                       (extensions (sequence %store-monad mextensions)))
     (lower-object
      (file-union "system"
-                 (append entries (concatenate extensions))))))
+                 (append entries (concatenate extensions)))
+     system
+     #:target target)))
 
 (define system-service-type
   ;; This is the ultimate service type, the root of the service DAG.  The
@@ -346,9 +351,13 @@ system profile, boot script, and so on.")))
   ;; order.  That is, user extensions would come first, and extensions added
   ;; by 'essential-services' (e.g., running shepherd) are guaranteed to come
   ;; last.
-  (gexp->file "boot"
-              ;; Clean up and activate the system, then spawn shepherd.
-              #~(begin #$@(reverse gexps))))
+  (mlet %store-monad ((system (current-system))
+                      (target (current-target-system)))
+    (gexp->file "boot"
+                ;; Clean up and activate the system, then spawn shepherd.
+                #~(begin #$@(reverse gexps))
+                #:system system
+                #:target target)))
 
 (define (boot-script-entry mboot)
   "Return, as a monadic value, an entry for the boot script in the system
-- 
2.24.1

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