Add submitted CMake files for Linux builds. All existing ways of building remain in tact.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@25403 e7fa87d3-cd2b-0410-9028-fcbf551c1848

glslang/MachineIndependent/preprocessor/CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 2.8)
+
+include_directories(. ..)
+set(SOURCES 
+    Pp.cpp
+    PpAtom.cpp
+    PpContext.cpp
+    PpMemory.cpp
+    PpScanner.cpp
+    PpSymbols.cpp
+    PpTokens.cpp)
+
+add_library(Preprocessor STATIC ${SOURCES})
+