From: Martin Herkt <lachs0r@srsfckn.biz>
Date: Fri, 3 Nov 2017 11:58:14 +0100
Subject: [PATCH 1/2] Use system third party libs

---
 CMakeLists.txt            |    6 ------
 glslc/CMakeLists.txt      |    2 +-
 libshaderc/CMakeLists.txt |    2 ++
 3 files changed, 3 insertions(+), 7 deletions(-)

Index: shaderc-2019.0/CMakeLists.txt
===================================================================
--- shaderc-2019.0.orig/CMakeLists.txt
+++ shaderc-2019.0/CMakeLists.txt
@@ -70,7 +70,6 @@ endif(MSVC)
 
 # Configure subdirectories.
 # We depend on these for later projects, so they should come first.
-add_subdirectory(third_party)
 
 if(SHADERC_ENABLE_SPVC)
 add_subdirectory(libshaderc_spvc)
@@ -81,11 +80,6 @@ add_subdirectory(libshaderc)
 add_subdirectory(glslc)
 add_subdirectory(examples)
 
-add_custom_target(build-version
-  ${PYTHON_EXECUTABLE}
-  ${CMAKE_CURRENT_SOURCE_DIR}/utils/update_build_version.py
-  ${shaderc_SOURCE_DIR} ${spirv-tools_SOURCE_DIR} ${glslang_SOURCE_DIR}
-  COMMENT "Update build-version.inc in the Shaderc build directory (if necessary).")
 
 function(define_pkg_config_file NAME LIBS)
   add_custom_target(${NAME}-pkg-config ALL
Index: shaderc-2019.0/glslc/CMakeLists.txt
===================================================================
--- shaderc-2019.0.orig/glslc/CMakeLists.txt
+++ shaderc-2019.0/glslc/CMakeLists.txt
@@ -18,7 +18,7 @@ add_library(glslc STATIC
 shaderc_default_compile_options(glslc)
 target_include_directories(glslc PUBLIC ${glslang_SOURCE_DIR})
 target_link_libraries(glslc PRIVATE glslang OSDependent OGLCompiler
-  HLSL glslang SPIRV ${CMAKE_THREAD_LIBS_INIT})
+  HLSL glslang SPIRV SPVRemapper ${CMAKE_THREAD_LIBS_INIT})
 target_link_libraries(glslc PRIVATE shaderc_util shaderc)
 
 add_executable(glslc_exe src/main.cc)
Index: shaderc-2019.0/libshaderc/CMakeLists.txt
===================================================================
--- shaderc-2019.0.orig/libshaderc/CMakeLists.txt
+++ shaderc-2019.0/libshaderc/CMakeLists.txt
@@ -46,6 +46,8 @@ set(SHADERC_LIBS
   shaderc_util
   SPIRV # from glslang
   SPIRV-Tools
+  SPVRemapper
+  HLSL
 )
 
 target_link_libraries(shaderc PRIVATE ${SHADERC_LIBS})