Fix required C standard from C90 to C99

[check] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4176af148e6b71deb67aa53f2a38771d3082668..7a017f8205da3e79846d54a92cb6b798545b4496 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,8 +61,8 @@ set(PROJECT_VERSION "${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT
 include(GNUInstallDirs)
 
 ###############################################################################
-# Adhere strictly to old ANSI C89 / ISO C90 standard
-set(CMAKE_C_STANDARD 90)
+# Follow ISO C99 standard
+set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_STANDARD_REQUIRED ON)
 set(CMAKE_C_EXTENSIONS ON)          # Use GNU extensions and POSIX standard