/usr/src/zfs-0.7.5/config/user-makedev.m4 is in zfs-dkms 0.7.5-1ubuntu15.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | dnl #
dnl # glibc 2.25
dnl #
AC_DEFUN([ZFS_AC_CONFIG_USER_MAKEDEV_IN_SYSMACROS], [
AC_MSG_CHECKING([makedev() is declared in sys/sysmacros.h])
AC_TRY_COMPILE(
[
#include <sys/sysmacros.h>
],[
int k;
k = makedev(0,0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_MAKEDEV_IN_SYSMACROS, 1,
[makedev() is declared in sys/sysmacros.h])
],[
AC_MSG_RESULT(no)
])
])
dnl #
dnl # glibc X < Y < 2.25
dnl #
AC_DEFUN([ZFS_AC_CONFIG_USER_MAKEDEV_IN_MKDEV], [
AC_MSG_CHECKING([makedev() is declared in sys/mkdev.h])
AC_TRY_COMPILE(
[
#include <sys/mkdev.h>
],[
int k;
k = makedev(0,0);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_MAKEDEV_IN_MKDEV, 1,
[makedev() is declared in sys/mkdev.h])
],[
AC_MSG_RESULT(no)
])
])
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