From 799384f2b85b8d3ee9c5b9e18bbe532b4dc7c63c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Fran=C3=A7ois=20Verdon?= <jf.verdon@alsim.com>
Date: Sat, 22 May 2021 17:36:39 +0200
Subject: [PATCH] Adding the required c flag to compile zip files using gcc 4.9

---
 code/CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index ebc3e0116..d3cb6e923 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -1137,6 +1137,9 @@ ELSE()
   TARGET_COMPILE_OPTIONS(assimp PRIVATE -Werror)
 ENDIF()
 
+# adds C_FLAGS required to compile zip.c on old GCC 4.x compiler
+TARGET_COMPILE_FEATURES(assimp PUBLIC c_std_99)
+
 TARGET_INCLUDE_DIRECTORIES ( assimp PUBLIC
   $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/../include>
   $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/../include>