provisioning/warewulf-provision: substitute new variable
---- a/configure.ac 2018-07-11 13:44:07.000000000 -0700
-+++ b/configure.ac 2018-07-11 13:42:58.000000000 -0700
+--- a/configure.ac 2018-07-11 13:56:05.000000000 -0700
++++ b/configure.ac 2018-07-11 14:20:58.000000000 -0700
[x86_64],
[
AS_IF([test "x$enable_cross_compile" = "xyes"], [
AC_MSG_NOTICE([cross-compile for aarch64 configured])
CROSS_COMPILE_ARM64="aarch64-linux-gnu-"
-@@ -96,11 +97,16 @@
+@@ -96,16 +97,22 @@
[aarch64],
[
build_arm64=yes
]
)
---- a/initramfs/Makefile.am 2018-07-11 13:44:07.000000000 -0700
-+++ b/initramfs/Makefile.am 2018-07-11 12:40:58.000000000 -0700
+ AC_SUBST(CROSS_COMPILE_X86_64)
+ AC_SUBST(CROSS_COMPILE_ARM64)
++AC_SUBST(LOADER)
+ AM_CONDITIONAL(BUILD_X86_64, [test "x$build_x86_64" = "xyes"])
+ AM_CONDITIONAL(BUILD_ARM64, [test "x$build_arm64" = "xyes"])
+
+--- a/initramfs/Makefile.am 2018-07-11 13:56:05.000000000 -0700
++++ b/initramfs/Makefile.am 2018-07-11 14:16:48.000000000 -0700
fi
@ if [ ! -f "_work/$(LIBARCHIVE_DIR)/" ]; then \
