From 1a4d4fb54538f8a313b008806f147175e4fad932 Mon Sep 17 00:00:00 2001
From: Kim Kulling <kimkulling@users.noreply.github.com>
Date: Thu, 16 Dec 2021 19:41:09 +0100
Subject: [PATCH] Enable C++17 and C99

- closes https://github.com/assimp/assimp/issues/4257
---
 CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 22df03370..b96f915bd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -182,8 +182,10 @@ SET (ASSIMP_SOVERSION 5)
 
 SET( ASSIMP_PACKAGE_VERSION "0" CACHE STRING "the package-specific version used for uploading the sources" )
 if(NOT ASSIMP_HUNTER_ENABLED)
-  # Enable C++11 support globally
-  set_property( GLOBAL PROPERTY CXX_STANDARD 11 )
+  # Enable C++17 support globally
+  set(CMAKE_CXX_STANDARD 17)
+  set(CMAKE_CXX_STANDARD_REQUIRED ON)
+  set(CMAKE_C_STANDARD 99)
 endif()
 
 IF(NOT ASSIMP_IGNORE_GIT_HASH)