File Set-CXX_STANDARD-to-17.patch of Package calligra

From 9ebf8e8bb9e2f889ae01d3acfbe5fc022d5073d0 Mon Sep 17 00:00:00 2001
From: Wolfgang Bauer <wbauer@tmo.at>
Date: Wed, 19 Jan 2022 10:07:04 +0100
Subject: [PATCH] Set CXX_STANDARD to 17

Poppler requires C++17 since 22.01.0.
---
 CMakeLists.txt | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71272ffef2d..f2bec21b865 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -104,12 +104,8 @@ if(NOT DEFINED RELEASE_BUILD)
 endif()
 message(STATUS "Release build: ${RELEASE_BUILD}")
 
-# use CPP-11
-if (CMAKE_VERSION VERSION_LESS "3.1")
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
-else ()
-    set (CMAKE_CXX_STANDARD 11)
-endif ()
+# use CPP-17, poppler 22.01.0 needs it
+set (CMAKE_CXX_STANDARD 17)
 
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2.31.1