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# $NetBSD: pkg-build-options.mk,v 1.2 2007/04/10 03:45:36 rillig Exp $
#
# This procedure determines the PKG_OPTIONS that have been in effect
# when the package ${pkgbase} has been built. When the package is not
# yet installed, the current PKG_OPTIONS are queried.
#
# Parameters:
# pkgbase
# The basename of the package.
#
# Returns:
# PKG_BUILD_OPTIONS.${pkgbase}
# The build options of the package.
#
# Example:
# pkgbase := wine
# .include "../../mk/pkg-build-options.mk"
#
# TODO: Query the installed package if it exists.
#
.if defined(BUILDLINK_DEPTH) && !empty(BUILDLINK_DEPTH)
. for b in ${pkgbase}
. if !defined(PKG_BUILD_OPTIONS.${b})
PKG_BUILD_OPTIONS.${b} != \
cd ${BUILDLINK_PKGSRCDIR.${b}} \
&& ${MAKE} ${MAKEFLAGS} \
show-var VARNAME=PKG_OPTIONS
MAKEFLAGS+= PKG_BUILD_OPTIONS.${b}=${PKG_BUILD_OPTIONS.${b}:Q}
. endif
MAKEVARS+= PKG_BUILD_OPTIONS.${b}
. endfor
.else
. for b in ${pkgbase}
PKG_FAIL_REASON+= "[pkg-build-options.mk] This file may only be included from a buildlink3.mk file (pkgbase=${b})."
. endfor
.endif
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