in the file configure.ac, around line 59, LIBUBOX_LDFLAGS should be LIBUBUS_LDFLAGS:
My corrected version:
AC_ARG_WITH([libubus-lib-path],
[AS_HELP_STRING([--with-libubus-lib-path], [location of the libubus library])], [LIBUBUS_LDFLAGS="-L$withval"])
AC_SUBST([LIBUBUS_LDFLAGS])
in the file configure.ac, around line 59,
LIBUBOX_LDFLAGS
should beLIBUBUS_LDFLAGS
: My corrected version: