--- portmidi/CMakeLists.txt.no.c++	2010-09-20 21:57:48.000000000 +0200
+++ portmidi/CMakeLists.txt	2018-03-08 16:06:11.719028872 +0100
@@ -38,7 +38,7 @@ set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINF
 
 set(CMAKE_OSX_ARCHITECTURES i386 ppc x86_64 CACHE STRING "change to needed architecture for a smaller library" FORCE)
 
-PROJECT(portmidi)
+PROJECT(portmidi C)
 
 if(UNIX)
   # Problem: if there was an old Debug build and you change