Enable linking against libSPIRV-Tools from linux shared libraries

Required for linking against libSPIRV-Tools from LVL's
libVkLayer_core_validation.so.

Signed-off-by: Chris Forbes <chrisforbes@google.com>

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9609f19..161a22e 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,8 @@ project(spirv-tools)
 enable_testing()
 set(SPIRV_TOOLS "SPIRV-Tools")
 
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
 if("${CMAKE_SYSTEM_NAME}" STREQUAL "Linux")
   add_definitions(-DSPIRV_LINUX)
 elseif("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")