[Linux ULT] Fix ULT link error on Arch Linux.(CL#753129)

Change-Id: I2f12d3873674c39b69d6f3bb5fabc33765dfea10
intel · Apr 2, 2018 · d95d8f7 · d95d8f7
1 parent 1594bea
commit d95d8f7
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/media_driver/linux/ult/CMakeLists.txt b/media_driver/linux/ult/CMakeLists.txt
@@ -19,6 +19,10 @@
 # OTHER DEALINGS IN THE SOFTWARE.
 cmake_minimum_required(VERSION 3.1)
 
+#-fno-plt is a GCC option to disable the use of PLT for external function calls in position-independent code.
+#This option is by default enabled on some Linux distributions such as Arch Linux, which can cause link error.
+string(REPLACE "-fno-plt" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+
 add_compile_options(-std=c++11)
 
 include(${MEDIA_DRIVER_CMAKE}/linux/media_feature_flags_linux.cmake)