commit: ec11189f5b792e021ccf8e461ca237f3a8be7e41 Author: Kent Fredric <kentfredric <AT> gmail <DOT> com> AuthorDate: Wed Aug 20 11:25:22 2014 +0000 Commit: Kent Fredric <kentfredric <AT> gmail <DOT> com> CommitDate: Wed Aug 20 11:37:55 2014 +0000 URL: http://sources.gentoo.org/gitweb/?p=proj/perl-overlay.git;a=commit;h=ec11189f
add new experimental perl-virtual-2.eclass as experimental simplification --- eclass/perl-virtual-2.eclass | 139 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) diff --git a/eclass/perl-virtual-2.eclass b/eclass/perl-virtual-2.eclass new file mode 100644 index 0000000..4bcce30 --- /dev/null +++ b/eclass/perl-virtual-2.eclass @@ -0,0 +1,139 @@ +# Copyright 1999-2014 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: $ + +# +# Original Author: Kent Fredric <kentfred...@gmail.com> +# Purpose: Experimental virtuals for gentoo perl +# Reason: http://wiki.gentoo.org/wiki/Project:Perl/Ongoing_tasks#Updating_the_virtuals + + +# usage: +# +# EAPI=5 +# ON_CPAN=1 +# inherit perl-virtual-2 +# +# EAPI=5 +# ON_CPAN=1 +# PERL_VERSIONS="5.18" +# inherit perl-virtual-2 +# +# EAPI=5 +# PERL_VERSIONS="5.18" +# inherit perl-virtual-2 + + +case "${EAPI:0}" in + 5) + + ;; + *) + die "EAPI=${EAPI} is not supported by perl-virtual-2.eclass"; + ;; +esac + +DESCRIPTION="Virtual for perl-core/${PN#perl-}" +# Note: This has to be blank, repoman doesn't like it. +# But otherwise we'd link to http://wiki.gentoo.org/wiki/Project:Perl/Ongoing_tasks#Updating_the_virtuals +HOMEPAGE="" +SRC_URI="" +LICENSE="" +IUSE="" + +[[ ${ON_CPAN} ]] || ON_CPAN="" +ON_PERL="1" + +[[ ${PERL_VERSIONS} ]] || ON_PERL=""; + +[[ ${ON_CPAN} || ${ON_PERL} ]] || die "One of ON_CPAN or PERL_VERSIONS must be specified for perl-virtual-2.eclass"; + +# CPAN + Perl => +# perl_5_18 ? ( =perl-5.18* , !perl-core/ ) +# perl_5_16 ? ( =perl-5.16* , !perl-core/ ) +# !perl_5_18? ( !perl_5_16? ( +# || ( =perl-5.18* =perl-5.18* =perl-core/ ) +# !<perl-core/...$PV !>perl-core/..$PV +# )) +if [[ ${ON_CPAN} && ${ON_PERL} ]]; then + PL_DEPS=""; + EXCL_DEPS=""; + NEXCL_START=""; + NEXCL_STOP=""; + NPLS=0; + OLDIFS=$IFS; + IFS=" "; + for i in ${PERL_VERSIONS}; do + IUSE="$IUSE perl_${i//./_}" + EXCL_DEPS="$EXCL_DEPS perl_${i//./_}? ( =dev-lang/perl-${i}* !perl-core/${PN#perl-} )" + NEXCL_START="$NEXCL_START !perl_${i//./_}? (" + NEXCL_STOP=") $NEXCL_STOP" + PL_DEPS="$PL_DEPS =dev-lang/perl-${i}*" + NPLS=$(( $NPLS + 1 )); + done + IFS=$OLDIFS; + RDEPEND=" + $EXCL_DEPS + $NEXCL_START + || ( $PL_DEPS ~perl-core/${PN#perl-}-${PV} ) + !<perl-core/${PN#perl-}-${PV} + !>perl-core/${PN#perl-}-${PV}-r999 + $NEXCL_STOP" +fi + +# CPAN + !Perl => +# =perl-core/..$PV +# +if [[ ${ON_CPAN} && ! ${ON_PERL} ]]; then + RDEPEND="~perl-core/${PN#perl-}-${PV}" +fi + +# !CPAN + Perl => +# +# either: +# =perl-5.18 +# !perl-core/.. +# +# or +# +# perl_5_18? ( =perl-5.18* ) +# perl_5_16? ( =perl-5.16* ) +# !perl_5_18? ( !perl_5_16? ( +# || ( =perl-5.18* =perl-5.16* ) +# )) +# !perl-core/ +# +if [[ ! ${ON_CPAN} && ${ON_PERL} ]]; then + PL_DEPS=""; + NPLS=0; + EXCL_DEPS=""; + NEXCL_START=""; + NEXCL_STOP=""; + XIUSE=""; + OLDIFS=$IFS; + IFS=" "; + for i in ${PERL_VERSIONS}; do + XIUSE="$XIUSE perl_${i//./_}" + EXCL_DEPS="$EXCL_DEPS perl_${i//./_}? ( =dev-lang/perl-${i}* )" + NEXCL_START="$NEXCL_START !perl_${i//./_}? (" + NEXCL_STOP=") $NEXCL_STOP" + PL_DEPS="$PL_DEPS =dev-lang/perl-${i}*" + NPLS=$(( $NPLS + 1 )); + done + IFS=$OLDIFS; + if [[ $NPLS > 1 ]]; then + IUSE="$IUSE ${XIUSE}"; + RDEPEND=" + $EXCL_DEPS + $NEXCL_START + || ( $PL_DEPS ) + $NEXCL_STOP + !perl-core/${PN#perl-} + " + else + RDEPEND=" + $PL_DEPS + !perl-core/${PN#perl-} + " + fi +fi
