pkg: useless overrides ARCH and FLAVOUR

Makefile

@@ -39,9 +39,6 @@ CORE_PKGVERSION=	${CORE_VERSION}
 .endif
 
 CORE_ABI?=	20.1
-CORE_ARCH?=	${ARCH}
-CORE_FLAVOUR?=	${FLAVOUR}
-
 CORE_PHP?=	72
 CORE_PYTHON?=	37
 CORE_RADVD?=	# empty

Mk/defaults.mk

@@ -28,7 +28,6 @@ PAGER?=		less
 
 PKG!=		which pkg || echo true
 GIT!=		which git || echo true
-ARCH!=		uname -p
 
 GITVERSION=	${.CURDIR}/Scripts/version.sh
 
@@ -38,6 +37,9 @@ CORE_COMMIT!=	${GITVERSION}
 CORE_COMMIT=	unknown 0 undefined
 .endif
 
+_CORE_ARCH!=	uname -p
+CORE_ARCH?=	${_CORE_ARCH}
+
 .if exists(${PKG})
 _CORE_UPDATE!=	${PKG} query -g %n 'opnsense-update*'
 CORE_UPDATE?=	${_CORE_UPDATE:S/opnsense-update//g}
@@ -48,11 +50,14 @@ CORE_SYSLOGD?=	${_CORE_SYSLOGD:S/syslogd//g}
 
 OPENSSL=	${LOCALBASE}/bin/openssl
 
+.if ! defined(CORE_FLAVOUR)
 .if exists(${OPENSSL})
-_FLAVOUR!=	${OPENSSL} version
-FLAVOUR?=	${_FLAVOUR:[1]}
+_CORE_FLAVOUR!=	${OPENSSL} version
+CORE_FLAVOUR?=	${_CORE_FLAVOUR:[1]}
 .else
-FLAVOUR?=	Base # not supported without OpenSSL port
+.warning "Detected 'Base' flavour is not currently supported"
+CORE_FLAVOUR?=	Base
+.endif
 .endif
 
 PHPBIN=		${LOCALBASE}/bin/php

README.md

@@ -61,7 +61,7 @@ Several OPTIONS exist to customise the package, e.g.:
 * CORE_DEPENDS: a list of required dependencies for the package
 * CORE_DEPENDS_ARCH: a list of special <ARCH>-required packages
 * CORE_ORIGIN: sets a HardenedBSD compatible package/ports origin
-* FLAVOUR: can be set to "OpenSSL" (default) or "LibreSSL"
+* CORE_FLAVOUR: can be set to "OpenSSL" or "LibreSSL"
 * CORE_COMMENT: a short description of the package
 * CORE_MAINTAINER: email of the package maintainer
 * CORE_WWW: web url of the package
@@ -71,6 +71,9 @@ Options are passed in the following form:
 
     # make package CORE_NAME=my_new_name
 
+In general, options are either set to sane defaults or automatically
+detected at runtime.
+
 make update
 -----------