mirror_zfs/config/user-dracut.m4
Brian Behlendorf fb7aa3c9b2 Autoconf 2.70 compatibility
Several m4 macros have been retired in autoconf 2.70.  Update the
the build system to use the new macros provided to replace them.

* Replaced AC_HELP_STRING with AS_HELP_STRING.

* Replaced AC_TRY_COMPILE with AC_COMPILE_IFELSE/AC_LANG_PROGRAM.

* Replaced AC_CANONICAL_SYSTEM with AC_CANONICAL_TARGET

* Replaced AC_PROG_LIBTOOL with LT_INIT

* $CPP is not defined in ZFS_AC_KERNEL and really shouldn't be
  directly used like this.  Replace it with an $AWK command
  to extract the kernel source version.

Reviewed-by: Eli Schwartz <eschwartz@archlinux.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #11413 
Closes #11419
2021-01-05 10:33:55 -08:00

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AC_DEFUN([ZFS_AC_CONFIG_USER_DRACUT], [
AC_MSG_CHECKING(for dracut directory)
AC_ARG_WITH([dracutdir],
AS_HELP_STRING([--with-dracutdir=DIR],
[install dracut helpers @<:@default=check@:>@]),
[dracutdir=$withval],
[dracutdir=check])
AS_IF([test "x$dracutdir" = xcheck], [
path1=/usr/share/dracut
path2=/usr/lib/dracut
default=$path2
AS_IF([test -d "$path1"], [dracutdir="$path1"], [
AS_IF([test -d "$path2"], [dracutdir="$path2"],
[dracutdir="$default"])
])
])
AC_SUBST(dracutdir)
AC_MSG_RESULT([$dracutdir])
])