Merge pull request #969 from d3x0r/patch-1

Add option to skip installation

diff --cc OGLCompilersDLL/CMakeLists.txt
Simple merge

diff --cc SPIRV/CMakeLists.txt
Simple merge

diff --cc StandAlone/CMakeLists.txt
Simple merge

diff --cc glslang/CMakeLists.txt
Simple merge

diff --cc glslang/OSDependent/Unix/CMakeLists.txt
index dd36644,bf39a1f..1bf49e1
--- 1/glslang/OSDependent/Unix/CMakeLists.txt
--- 2/glslang/OSDependent/Unix/CMakeLists.txt
+++ b/glslang/OSDependent/Unix/CMakeLists.txt
@@@ -1,6 -1,7 +1,8 @@@
  add_library(OSDependent STATIC ossource.cpp ../osinclude.h)
 -set_property(TARGET OSDependent PROPERTY FOLDER glslang POSITION_INDEPENDENT_CODE ON)
 +set_property(TARGET OSDependent PROPERTY FOLDER glslang)
 +set_property(TARGET OSDependent PROPERTY POSITION_INDEPENDENT_CODE ON)
  
- install(TARGETS OSDependent
-         ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ if(ENABLE_GLSLANG_INSTALL)
+     install(TARGETS OSDependent
+             ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
+ endif(ENABLE_GLSLANG_INSTALL)

diff --cc glslang/OSDependent/Windows/CMakeLists.txt
Simple merge

diff --cc hlsl/CMakeLists.txt
Simple merge