CMake: force C99

OSGeo · Nov 13, 2021 · 922691d · 922691d
1 parent 46fddf0
commit 922691d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -124,6 +124,9 @@ define_property(
 # check compiler and set preferences.
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
 #
 if (MSVC)
   add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)