dnl # dnl # commit d3e709e63e97e5f3f129b639991cfe266da60bae dnl # Author: Matthew Wilcox dnl # Date: Thu Dec 22 13:30:22 2016 -0500 dnl # idr: Return the deleted entry from idr_remove dnl # AC_DEFUN([AC_AMDGPU_IDR_REMOVE], [ AC_KERNEL_DO_BACKGROUND([ AC_KERNEL_TRY_COMPILE([ #include ], [ void *i; i = idr_remove(NULL, 0); ], [ AC_DEFINE(HAVE_IDR_REMOVE_RETURN_VOID_POINTER, 1, [idr_remove return void pointer]) ]) ]) ])