### OpenGL settings
CMAKE_OPTIONS="${CMAKE_OPTIONS} -DOpenGL_GL_PREFERENCE:STRING=LEGACY"
+### spns #20550 - Headless mode
+if [ -n "$PARAVIEW_HEADLESS_MODE" ]
+then
+ EGL_FOUND=false
+ LINUX_DISTRIBUTION="$DIST_NAME$DIST_VERSION"
+ case $LINUX_DISTRIBUTION in
+ CO6|CO7|FD26|FD30|FD32)
+ if [ -f /usr/include/EGL/egl.h ] && [ -f /usr/lib64/libEGL.so ] && [ -f /usr/lib64/libOpenGL.so ]
+ then
+ EGL_FOUND=true
+ fi
+ ;;
+ *)
+ ;;
+ esac
+ if [ $EGL_FOUND == "true" ]; then
+ echo "WARNING: Building with headless mode support..."
+ CMAKE_OPTIONS="${CMAKE_OPTIONS} -DVTK_OPENGL_HAS_EGL:BOOL=ON"
+ else
+ echo "FATAL: Headless mode cannot be set on node $LINUX_DISTRIBUTION! Please expand the PARAVIEW_HEADLESS_MODE section in script: $0"
+ exit 1
+ fi
+fi
+
### Ray-tracing settings
if [ -n "$OSPRAY_ROOT_DIR" ]
then