From 88f976d1604e229c47ecfc16e0c95a36817d5043 Mon Sep 17 00:00:00 2001
From: Marius Bakke <marius@gnu.org>
Date: Wed, 10 Aug 2022 19:43:05 +0200
Subject: [PATCH] gnu: qtwayland: Fix build with GCC 11.

* gnu/packages/patches/qtwayland-gcc-11.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/qt.scm (qtwayland)[source](patches): New field.
---
 gnu/local.mk                                |  1 +
 gnu/packages/patches/qtwayland-gcc-11.patch | 18 ++++++++++++++++++
 gnu/packages/qt.scm                         |  1 +
 3 files changed, 20 insertions(+)
 create mode 100644 gnu/packages/patches/qtwayland-gcc-11.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 247b9ec34f..1bd791fb0c 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1750,6 +1750,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/qtscript-disable-tests.patch		\
   %D%/packages/patches/quagga-reproducible-build.patch          \
   %D%/packages/patches/quickswitch-fix-dmenu-check.patch	\
+  %D%/packages/patches/qtwayland-gcc-11.patch			\
   %D%/packages/patches/qtwebkit-pbutils-include.patch		\
   %D%/packages/patches/qtwebkit-fix-building-with-bison-3.7.patch \
   %D%/packages/patches/qtwebkit-fix-building-with-python-3.9.patch	\
diff --git a/gnu/packages/patches/qtwayland-gcc-11.patch b/gnu/packages/patches/qtwayland-gcc-11.patch
new file mode 100644
index 0000000000..06983ff2f3
--- /dev/null
+++ b/gnu/packages/patches/qtwayland-gcc-11.patch
@@ -0,0 +1,18 @@
+Add missing import for newer libstdc++.
+
+Taken from upstream:
+
+  https://github.com/qt/qtwayland/commit/1aa6ec2c778504d96543f6cdc2b9199a7b066fc1
+
+diff --git a/tests/auto/client/shared/corecompositor.cpp b/tests/auto/client/shared/corecompositor.cpp
+index 5c6c83baa..fa9b7662a 100644
+--- a/tests/auto/client/shared/corecompositor.cpp
++++ b/tests/auto/client/shared/corecompositor.cpp
+@@ -27,6 +27,7 @@
+ ****************************************************************************/
+ 
+ #include "corecompositor.h"
++#include <thread>
+ 
+ namespace MockCompositor {
+ 
diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index 7d0f1b4971..be6665a57f 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -1456,6 +1456,7 @@ (define-public qtwayland
     (source (origin
              (method url-fetch)
              (uri (qt5-urls name version))
+             (patches (search-patches "qtwayland-gcc-11.patch"))
              (sha256
               (base32
                "1ddfx4nak16xx0zh1kl836zxvpbixmmjyplsmfmg65pqkwi34dqr"))))