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-rw-r--r--CMakeLists.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e6f7f8..9c1dd10 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 3.5)
project(libfixmath LANGUAGES CXX C)
-set(CMAKE_C_STANDARD 11)
+set(CMAKE_C_STANDARD 99)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_FLAGS "-Wall -pedantic -Wextra -Werror=return-type")