diff --git a/glslang/CMakeLists.txt b/glslang/CMakeLists.txt
index 446cabb9..37795152 100644
--- a/glslang/CMakeLists.txt
+++ b/glslang/CMakeLists.txt
@@ -41,7 +41,8 @@ set(SOURCES
     MachineIndependent/preprocessor/PpTokens.cpp
     MachineIndependent/propagateNoContraction.cpp
     GenericCodeGen/CodeGen.cpp
-    GenericCodeGen/Link.cpp)
+    GenericCodeGen/Link.cpp
+    CInterface/glslang_c_interface.cpp)
 
 set(HEADERS
     Public/ShaderLang.h
@@ -49,6 +50,8 @@ set(HEADERS
     Include/BaseTypes.h
     Include/Common.h
     Include/ConstantUnion.h
+    Include/glslang_c_interface.h
+    Include/glslang_c_shader_types.h
     Include/InfoSink.h
     Include/InitializeGlobals.h
     Include/intermediate.h