dnl # dnl # commit 8531e283bee66050734fb0e89d53e85fd5ce24a4 dnl # PCI: Recognize Thunderbolt devices dnl # AC_DEFUN([AC_AMDGPU_PCI_IS_THUNDERBOLD_ATTACHED], [ AC_KERNEL_DO_BACKGROUND([ AC_KERNEL_TRY_COMPILE([ #include ], [ struct pci_dev *pdev = NULL; pci_is_thunderbolt_attached(pdev); ], [ AC_DEFINE(HAVE_PCI_IS_THUNDERBOLD_ATTACHED, 1, [pci_is_thunderbolt_attached() is available]) ]) ]) ])