[bug#73392] [PATCH 1/2] gnu: sane-backends-minimal: fix lock path for plustek backend

[neox <neox@gnu.org>]

From: Adrien 'neox' Bourmault <neox@gnu.org>

* gnu/packages/scanner.scm (sane-backends-minimal)
[arguments]<#:configure-flags>: add "--with-lockdir=/var/lock/sane"
[arguments]<#:phases>: add disable-lockdir-creation to prevent creating the
 lockpath during install

Change-Id: I338c16cd4c0bfa0d165c9906b0f1f87ab79a4f75
Signed-off-by: Adrien 'neox' Bourmault <neox@gnu.org>
---
 gnu/packages/scanner.scm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/scanner.scm b/gnu/packages/scanner.scm
index a2faaa2728..a20d27ad2a 100644
--- a/gnu/packages/scanner.scm
+++ b/gnu/packages/scanner.scm
@@ -136,7 +136,8 @@ (define-public sane-backends-minimal
     (inputs
      (list libusb))
     (arguments
-     `(#:phases
+     `(#:configure-flags '("--with-lockdir=/var/lock/sane") ;; Avoid errors with plustek
+       #:phases
        (modify-phases %standard-phases
          (add-before 'bootstrap 'zap-unnecessary-git-dependency
            (lambda _
@@ -145,6 +146,12 @@ (define-public sane-backends-minimal
                (("/bin/sh") (which "sh")))
              (with-output-to-file ".tarball-version"
                (lambda _ (format #t ,version)))))
+         (add-before 'configure 'disable-lockdir-creation
+           (lambda _
+             ;; Modify the Makefile.am to prevent the creation of the lock dir
+             (substitute* "backend/Makefile.am"
+               (("^install-lockpath:.*$")
+                "install-lockpath: # pass"))))
          (add-before 'configure 'disable-backends
            (lambda _
              (setenv "BACKENDS" " ")
-- 
2.46.0