From 40a5b2e8c22cecaf37bd54e0db87ef862d8d3740d5bd150db01e16560755dd07 Mon Sep 17 00:00:00 2001
From: Jan Engelhardt <jengelh@inai.de>
Date: Wed, 10 Feb 2021 10:45:19 +0000
Subject: [PATCH] - Add gcc11.diff [boo#1181882]

OBS-URL: https://build.opensuse.org/package/show/X11:Wayland/spirv-tools?expand=0&rev=59
---
 gcc11.diff          | 37 +++++++++++++++++++++++++++++++++++++
 spirv-tools.changes |  5 +++++
 spirv-tools.spec    |  5 ++++-
 3 files changed, 46 insertions(+), 1 deletion(-)
 create mode 100644 gcc11.diff

diff --git a/gcc11.diff b/gcc11.diff
new file mode 100644
index 0000000..b2b5bf8
--- /dev/null
+++ b/gcc11.diff
@@ -0,0 +1,37 @@
+From: Jan Engelhardt <jengelh@inai.de>
+Date: 2021-02-10 11:35:55.577457480 +0100
+
+gcc-11 is just too picky.
+Unrelatedly, -Werror is stupid for distributions.
+
+---
+ CMakeLists.txt        |    2 +-
+ source/diagnostic.cpp |    2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+Index: SPIRV-Tools-2020.6/CMakeLists.txt
+===================================================================
+--- SPIRV-Tools-2020.6.orig/CMakeLists.txt
++++ SPIRV-Tools-2020.6/CMakeLists.txt
+@@ -106,7 +106,7 @@ if(${COMPILER_IS_LIKE_GNU})
+   endif()
+ 
+   if(${SPIRV_WERROR})
+-    set(SPIRV_WARNINGS ${SPIRV_WARNINGS} -Werror)
++    set(SPIRV_WARNINGS ${SPIRV_WARNINGS})
+   endif()
+ elseif(MSVC)
+   set(SPIRV_WARNINGS -D_CRT_SECURE_NO_WARNINGS -D_SCL_SECURE_NO_WARNINGS /wd4800)
+Index: SPIRV-Tools-2020.6/source/diagnostic.cpp
+===================================================================
+--- SPIRV-Tools-2020.6.orig/source/diagnostic.cpp
++++ SPIRV-Tools-2020.6/source/diagnostic.cpp
+@@ -37,7 +37,7 @@ spv_diagnostic spvDiagnosticCreate(const
+   diagnostic->position = *position;
+   diagnostic->isTextSource = false;
+   memset(diagnostic->error, 0, length);
+-  strncpy(diagnostic->error, message, length);
++  strcpy(diagnostic->error, message);
+   return diagnostic;
+ }
+ 
diff --git a/spirv-tools.changes b/spirv-tools.changes
index 7af859d..87829a9 100644
--- a/spirv-tools.changes
+++ b/spirv-tools.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Feb 10 10:37:23 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
+
+- Add gcc11.diff [boo#1181882]
+
 -------------------------------------------------------------------
 Tue Dec  8 12:30:46 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/spirv-tools.spec b/spirv-tools.spec
index 0a62031..4530e99 100644
--- a/spirv-tools.spec
+++ b/spirv-tools.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package spirv-tools
 #
-# Copyright (c) 2020 SUSE LLC
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -31,6 +31,7 @@ Source:         https://github.com/KhronosGroup/SPIRV-Tools/archive/v%version.ta
 Source9:        baselibs.conf
 Patch1:         ver.diff
 Patch2:         gcc48.diff
+Patch3:         gcc11.diff
 BuildRequires:  bison
 BuildRequires:  cmake >= 2.8.12
 BuildRequires:  gcc-c++
@@ -68,6 +69,8 @@ integration into other code bases directly.
 %autosetup -p1 -n SPIRV-Tools-%version
 
 %build
+# silence false positive
+export CFLAGS="%optflags -Wno-error=stringop-overflow" CXXFLAGS="$CFLAGS"
 %cmake -DSPIRV-Headers_SOURCE_DIR="%_prefix" \
 	-DSPIRV_TOOLS_BUILD_STATIC:BOOL=OFF -DBUILD_SHARED_LIBS:BOOL=ON
 %cmake_build