--- CMakeLists.txt.orig	2022-06-07 11:34:09 UTC
+++ CMakeLists.txt
@@ -73,7 +73,7 @@ set(LIBSEDML_DOTTED_VERSION ${LIBSEDML_VERSION})
 set(PACKAGE_NAME "libSEDML")
 
 project (libsedml VERSION "${LIBSEDML_VERSION_MAJOR}.${LIBSEDML_VERSION_MINOR}.${LIBSEDML_VERSION_PATCH}"
-                  LANGUAGES CXX)
+                  LANGUAGES C CXX)
 
 set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED YES)