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hollow 08/02/27 09:53:04 |
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|
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Modified: confutils.eclass |
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Log: |
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add confutils_require_one |
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|
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Revision Changes Path |
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1.22 eclass/confutils.eclass |
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|
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file : http://sources.gentoo.org/viewcvs.py/gentoo-x86/eclass/confutils.eclass?rev=1.22&view=markup |
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plain: http://sources.gentoo.org/viewcvs.py/gentoo-x86/eclass/confutils.eclass?rev=1.22&content-type=text/plain |
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diff : http://sources.gentoo.org/viewcvs.py/gentoo-x86/eclass/confutils.eclass?r1=1.21&r2=1.22 |
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|
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Index: confutils.eclass |
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=================================================================== |
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RCS file: /var/cvsroot/gentoo-x86/eclass/confutils.eclass,v |
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retrieving revision 1.21 |
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retrieving revision 1.22 |
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diff -u -r1.21 -r1.22 |
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--- confutils.eclass 20 Feb 2008 13:07:50 -0000 1.21 |
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+++ confutils.eclass 27 Feb 2008 09:53:04 -0000 1.22 |
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@@ -1,6 +1,6 @@ |
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# Copyright 1999-2008 Gentoo Foundation |
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# Distributed under the terms of the GNU General Public License v2 |
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-# $Header: /var/cvsroot/gentoo-x86/eclass/confutils.eclass,v 1.21 2008/02/20 13:07:50 hollow Exp $ |
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+# $Header: /var/cvsroot/gentoo-x86/eclass/confutils.eclass,v 1.22 2008/02/27 09:53:04 hollow Exp $ |
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|
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# @ECLASS: confutils.eclass |
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# @MAINTAINER: |
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@@ -38,6 +38,39 @@ |
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fi |
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} |
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|
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+# @FUNCTION: confutils_require_one |
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+# @USAGE: <flag> [more flags ...] |
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+# @DESCRIPTION: |
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+# Use this function to ensure exactly one of the specified USE flags have been |
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+# enabled |
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+confutils_require_one() { |
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+ local required_flags="$@" |
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+ local success=0 |
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+ |
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+ for flag in ${required_flags}; do |
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+ use ${flag} && ((success++)) |
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+ done |
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+ |
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+ [[ ${success} -eq 1 ]] && return |
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+ |
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+ echo |
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+ eerror "You *must* enable *exactly* one of the following USE flags:" |
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+ eerror " ${required_flags}" |
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+ eerror |
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+ eerror "You can do this by enabling *one* of these flag in /etc/portage/package.use:" |
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+ |
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+ set -- ${required_flags} |
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+ eerror " =${CATEGORY}/${PN}-${PVR} ${1}" |
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+ shift |
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+ |
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+ for flag in $@; do |
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+ eerror " OR =${CATEGORY}/${PN}-${PVR} ${flag}" |
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+ done |
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+ |
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+ echo |
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+ die "Missing or conflicting USE flags" |
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+} |
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+ |
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# @FUNCTION: confutils_require_any |
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# @USAGE: <flag> [more flags ...] |
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# @DESCRIPTION: |
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|
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|
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|
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-- |
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