From 017bffc1a352599c5468f10cf4ef9371d4143e24 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Thu, 29 Mar 2018 12:25:45 +0200
Subject: gnu: libusb4java: Adjust for building with libusb 1.0.22.

* gnu/packages/libusb.scm (libusb4java)[arguments]: Add phase to remove
"-Werror" flag.
---
 gnu/packages/libusb.scm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gnu/packages/libusb.scm b/gnu/packages/libusb.scm
index 4af9cd95bb..bd79972a6e 100644
--- a/gnu/packages/libusb.scm
+++ b/gnu/packages/libusb.scm
@@ -133,6 +133,13 @@ (define-public libusb4java
        `(#:tests? #f                    ; there are no tests
          #:phases
          (modify-phases %standard-phases
+           ;; FIXME: libusb 1.0.22 deprecated libusb_set_debug, so the build
+           ;; fails because libusb4java uses a deprecated procedure.
+           (add-after 'unpack 'disable-Werror
+             (lambda _
+               (substitute* "CMakeLists.txt"
+                 (("-Werror") ""))
+               #t))
            (add-before 'configure 'set-JAVA_HOME
              (lambda* (#:key inputs #:allow-other-keys)
                (setenv "JAVA_HOME" (assoc-ref inputs "jdk"))
-- 
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