[bug#68048] [PATCH] gnu: cdparanoia: Fix cross-compiling.

[Zheng Junjie <zhengjunjie@iscas.ac.cn>]

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* gnu/packages/cdrom.scm (cdparanoia)
[native-inputs]: when cross compiling to riscv64-linux-gnu, add config.
[arguments]: when target riscv64-linux-gnu, add update-config-scripts phase.
<#:configure-flags>: when cross-compiling, use `(assoc-ref %outputs "out")'.

Change-Id: I442c668c3d52c241f0d405f51ea8d995bfefd3fd
---
 gnu/packages/cdrom.scm | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/cdrom.scm b/gnu/packages/cdrom.scm
index aaa2e50293..4e858c571f 100644
--- a/gnu/packages/cdrom.scm
+++ b/gnu/packages/cdrom.scm
@@ -14,6 +14,7 @@
 ;;; Copyright © 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2019 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2020 Timotej Lazar <timotej.lazar@araneo.si>
+;;; Copyright © 2023 Zheng Junjie <873216071@qq.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -233,10 +234,33 @@ (define-public cdparanoia
      `(#:tests? #f ; there is no check target
        #:parallel-build? #f             ;randomly fails to link
        #:configure-flags ; Add $libdir to the RUNPATH of all the executables.
-       (list (string-append "LDFLAGS=-Wl,-rpath=" %output "/lib"))
+       (list (string-append "LDFLAGS=-Wl,-rpath="
+                            ,(if (%current-target-system)
+                                 '(assoc-ref %outputs "out")
+                                 '%output)
+                            "/lib"))
        ;; Building in parallel is flaky: “ld: […]/cachetest.c:393: undefined
        ;; reference to `paranoia_free'”.
-       #:parallel-build? #f))
+       #:parallel-build? #f
+       ,@(if (and (target-riscv64?)
+                  (%current-target-system))
+             '(#:phases
+               (modify-phases %standard-phases
+                 (add-after 'unpack 'update-config-scripts
+                   (lambda* (#:key inputs native-inputs #:allow-other-keys)
+                     ;; Replace outdated config.guess and config.sub.
+                     (for-each (lambda (file)
+                                 (install-file
+                                  (search-input-file
+                                   (or native-inputs inputs)
+                                   (string-append "/bin/" file)) "."))
+                               '("config.guess" "config.sub"))))))
+             '())))
+    (native-inputs
+     (if (and (target-riscv64?)
+              (%current-target-system))
+         (list config)
+         '()))
     (home-page "https://www.xiph.org/paranoia/")
     (synopsis "Audio CD reading utility")
     (description "Cdparanoia retrieves audio tracks from CDDA capable CDROM

base-commit: 0d13d095420861022e68e87ceebd5e037e12a8b3
-- 
2.41.0