diff options
Diffstat (limited to 'tools/m4/udev.m4')
| -rw-r--r-- | tools/m4/udev.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/tools/m4/udev.m4 b/tools/m4/udev.m4 new file mode 100644 index 0000000000..31c838695f --- /dev/null +++ b/tools/m4/udev.m4 @@ -0,0 +1,32 @@ +AC_DEFUN([AX_CHECK_UDEV], +[if test "x$host_os" == "xlinux-gnu" +then + AC_PATH_PROG([UDEVADM], [udevadm], [no]) + if test x"${UDEVADM}" == x"no" + then + AC_PATH_PROG([UDEVINFO], [udevinfo], [no]) + if test x"${UDEVINFO}" == x"no" + then + AC_MSG_ERROR( + [Unable to find udevadm or udevinfo, please install udev]) + fi + udevver=`${UDEVINFO} -V | awk '{print $NF}'` + else + udevver=`${UDEVADM} info -V | awk '{print $NF}'` + fi + if test ${udevver} -lt 59 + then + AC_PATH_PROG([HOTPLUG], [hotplug], [no]) + if test x"${HOTPLUG}" == x"no" + then + AC_MSG_ERROR([udev is too old, upgrade to version 59 or later]) + fi + fi +else + AC_PATH_PROG([VNCONFIG], [vnconfig], [no]) + if test x"${VNCONFIG}" == x"no" + then + AC_MSG_ERROR([Not a Linux system and unable to find vnd]) + fi +fi +]) |