From 2d33e6d6e88110594d9b212a4c9ddc576fa238ed Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Date: Tue, 18 Apr 2023 10:41:28 -0400
Subject: gnu: samba: Make the python-cryptography input conditional.

* gnu/packages/samba.scm (samba/pinned) [arguments]: Conditionally enable self tests
in configure phase.
[native-inputs]:  Conditionally add python-cryptography.

Reported-by: John Kehayias <john.kehayias@protonmail.com>
---
 gnu/packages/samba.scm | 42 +++++++++++++++++++++++++++---------------
 1 file changed, 27 insertions(+), 15 deletions(-)

diff --git a/gnu/packages/samba.scm b/gnu/packages/samba.scm
index 8c004a1aac..8b3e96e9c2 100644
--- a/gnu/packages/samba.scm
+++ b/gnu/packages/samba.scm
@@ -9,7 +9,7 @@
 ;;; Copyright © 2018 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2019 Rutger Helling <rhelling@mykolab.com>
 ;;; Copyright © 2020 Pierre Langlois <pierre.langlois@gmx.com>
-;;; Copyright © 2020, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2020, 2022, 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2022 Jean-Pierre De Jesus DIAZ <me@jeandudey.tech>
 ;;; Copyright © 2022 Guillaume Le Vaillant <glv@posteo.net>
 ;;; Copyright © 2022 Maxime Devos <maximedevos@telenet.be>
@@ -210,7 +210,11 @@ external dependencies.")
              (lambda* (#:key inputs #:allow-other-keys)
                (let* ((libdir (string-append #$output "/lib")))
                  (invoke "./configure"
-                         "--enable-selftest"
+                         #$@(if (member (%current-system)
+                                        (package-transitive-supported-systems
+                                         python-cryptography))
+                                '("--enable-selftest")
+                                '())
                          "--enable-fhs"
                          (string-append "--prefix=" #$output)
                          "--sysconfdir=/etc"
@@ -255,19 +259,27 @@ external dependencies.")
       ;; In Requires or Requires.private of pkg-config files.
       (list ldb talloc tevent))
      (native-inputs
-      (list perl-parse-yapp
-            pkg-config
-            python-cryptography         ;for krb5 tests
-            python-dnspython
-            python-iso8601
-            python-markdown
-            rpcsvc-proto                ;for 'rpcgen'
-            python-pyasn1               ;for krb5 tests
-            ;; For generating man pages.
-            docbook-xml-4.2
-            docbook-xsl
-            libxslt
-            libxml2))                   ;for XML_CATALOG_FILES
+      (append
+       (list perl-parse-yapp
+             pkg-config)
+       ;; The python-cryptography dependency is needed for the krb5 tests.
+       ;; Since python-cryptography requires Rust, add it conditionally
+       ;; depending on such support.
+       (if (member (%current-system)
+                   (package-transitive-supported-systems
+                    python-cryptography))
+           (list python-cryptography)
+           '())
+       (list python-dnspython
+             python-iso8601
+             python-markdown
+             rpcsvc-proto               ;for 'rpcgen'
+             python-pyasn1              ;for krb5 tests
+             ;; For generating man pages.
+             docbook-xml-4.2
+             docbook-xsl
+             libxslt
+             libxml2)))                 ;for XML_CATALOG_FILES
      (home-page "https://www.samba.org/")
      (synopsis
       "The standard Windows interoperability suite of programs for GNU and Unix")
-- 
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