Remove the test for linux/if_tun.h.

[oweals/tinc.git] / m4 / tuntap.m4

diff --git a/m4/tuntap.m4 b/m4/tuntap.m4
deleted file mode 100644 (file)
index 8c14a9b..0000000
--- a/m4/tuntap.m4
+++ /dev/null
@@ -1,44 +0,0 @@
-dnl Check to find out whether the running kernel has support for TUN/TAP
-
-AC_DEFUN([tinc_TUNTAP],
-[
-  AC_ARG_WITH(kernel,
-    AS_HELP_STRING([--with-kernel=DIR], [give the directory with kernel sources (default: /usr/src/linux)]),
-    kerneldir="$withval",
-    kerneldir="/usr/src/linux"
-  )
-  
-  AC_CACHE_CHECK([for linux/if_tun.h], tinc_cv_linux_if_tun_h,
-  [ 
-    AC_COMPILE_IFELSE(
-      AC_LANG_PROGRAM([
-        #include "$kerneldir/include/linux/if_tun.h"
-       int a = IFF_TAP;
-      ]),
-      [if_tun_h="\"$kerneldir/include/linux/if_tun.h\""],
-      [AC_COMPILE_IFELSE(
-        AC_LANG_PROGRAM([
-         #include <linux/if_tun.h>
-          int a = IFF_TAP;
-       ]),
-        [if_tun_h="default"],
-        [if_tun_h="no"]
-      )]
-    )
-  
-    if test $if_tun_h = no; then
-      tinc_cv_linux_if_tun_h=none
-    else
-      tinc_cv_linux_if_tun_h="$if_tun_h"
-    fi
-  ])
-  
-  if test $tinc_cv_linux_if_tun_h != none; then
-    AC_DEFINE(HAVE_TUNTAP, 1, [Universal tun/tap driver present])
-    if test $tinc_cv_linux_if_tun_h != default; then
-     AC_DEFINE_UNQUOTED(LINUX_IF_TUN_H, $tinc_cv_linux_if_tun_h, [Location of if_tun.h])
-    fi
-  fi
-  AC_SUBST(LINUX_IF_TUN_H)
-  AC_SUBST(HAVE_TUNTAP)
-])