* "Robin H. Johnson" <robbat2@gentoo.org>:
> On Mon, Mar 02, 2009 at 09:51:07AM -0800, Donnie Berkholz wrote:
> > conditional variable (GENTOO_PERL="no"?) that defaults to "yes".
> Yes, this would be needed in any case, similar to how it's done for
> stuff that had optional X dependencies.

Next version. I want to commit it tomorrow.

For EAPI=2 it checks GENTOO_DEPEND_ON_PERL and depends on
dev-lang/perl[-build] unless GENTOO_DEPEND_ON_PERL is set and not "yes".

Thanks
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/perl-module.eclass,v 1.112 2008/09/30 08:28:44 robbat2 Exp $
#
# Author: Seemant Kulleen <seemant@gentoo.org>

# @ECLASS: perl-module.eclass
# @MAINTAINER:
# perl@gentoo.org
# @BLURB: eclass for perl modules
# @DESCRIPTION:
# The perl-module eclass is designed to allow easier installation of perl
# modules, and their incorporation into the Gentoo Linux system.

inherit eutils base

case "${EAPI:-0}" in
0|1)
EXPORT_FUNCTIONS pkg_setup pkg_preinst pkg_postinst pkg_prerm pkg_postrm src_compile src_install src_test src_unpack
;;
2)
EXPORT_FUNCTIONS src_unpack src_prepare src_configure src_compile src_test src_install

case "${GENTOO_DEPEND_ON_PERL:-yes}" in
yes)
DEPEND="dev-lang/perl[-build]"
RDEPEND="${DEPEND}"
;;
esac
;;
esac

DESCRIPTION="Based on the $ECLASS eclass"

LICENSE="${LICENSE:-|| ( Artistic GPL-2 )}"

[[ -z "${SRC_URI}" && -z "${MODULE_A}" ]] && MODULE_A="${MY_P:-${P}}.tar.gz"
[[ -z "${SRC_URI}" && -n "${MODULE_AUTHOR}" ]] &&
SRC_URI="mirror://cpan/authors/id/${MODULE_AUTHOR:0:1}/${MODULE_AUTHOR:0:2}/${MODULE_AUTHOR}/${MODULE_SECTION}/${MODULE_A}"
[[ -z "${HOMEPAGE}" ]] &&
HOMEPAGE="http://search.cpan.org/dist/${MY_PN:-${PN}}"

SRC_PREP="no"
SRC_TEST="skip"
PREFER_BUILDPL="yes"

PERL_VERSION=""
SITE_ARCH=""
SITE_LIB=""
ARCH_LIB=""
VENDOR_ARCH=""
VENDOR_LIB=""

pm_echovar=""
perlinfo_done=false

perl-module_src_unpack() {
base_src_unpack unpack
has "${EAPI:-0}" 0 1 && perl-module_src_prepare
}

perl-module_src_prepare() {
if [[ -n ${PATCHES} ]] ; then
base_src_unpack autopatch
fi
esvn_clean
}

perl-module_src_configure() {
perl-module_src_prep
}

perl-module_src_prep() {
[[ "${SRC_PREP}" = "yes" ]] && return 0
SRC_PREP="yes"

${perlinfo_done} || perlinfo

export PERL_MM_USE_DEFAULT=1
# Disable ExtUtils::AutoInstall from prompting
export PERL_EXTUTILS_AUTOINSTALL="--skipdeps"

if [[ "${PREFER_BUILDPL}" == "yes" && -f Build.PL ]] ; then
einfo "Using Module::Build"
perl Build.PL
--installdirs=vendor
--libdoc=
--destdir="${D}"
--create_packlist=0
--extra_linker_flags="${LDFLAGS}"
${myconf}
<<< ${pm_echovar}
|| die "Unable to build! (are you using USE="build"?)"
elif [[ -f Makefile.PL ]] ; then
einfo "Using ExtUtils::MakeMaker"
perl Makefile.PL
PREFIX=/usr
INSTALLDIRS=vendor
INSTALLMAN3DIR='none'
DESTDIR="${D}"
${myconf}
<<< ${pm_echovar}
|| die "Unable to build! (are you using USE="build"?)"
fi
if [[ ! -f Build.PL && ! -f Makefile.PL ]] ; then
einfo "No Make or Build file detected..."
return
fi
}

perl-module_src_compile() {
${perlinfo_done} || perlinfo

has "${EAPI:-0}" 0 1 && perl-module_src_prep

if [[ -f Build ]] ; then
./Build build
|| die "compilation failed"
elif [[ -f Makefile ]] ; then
emake
OTHERLDFLAGS="${LDFLAGS}"
${mymake}
|| die "compilation failed"
# OPTIMIZE="${CFLAGS}"
fi
}

perl-module_src_test() {
if [[ "${SRC_TEST}" == "do" ]] ; then
${perlinfo_done} || perlinfo
if [[ -f Build ]] ; then
./Build test || die "test failed"
elif [[ -f Makefile ]] ; then
emake test || die "test failed"
fi
fi
}

perl-module_src_install() {
local f
${perlinfo_done} || perlinfo

[[ -z ${mytargets} ]] && mytargets="pure_install"

if [[ -f Build ]] ; then
./Build ${mytargets}
|| die "./Build ${mytargets} failed"
elif [[ -f Makefile ]] ; then
emake ${myinst} ${mytargets}
|| die "emake ${myinst} ${mytargets} failed"
fi

# einfo "Cleaning out stray man files"
find "${D}" -type f -name "*.3pm" -delete
find "${D}"/usr/share/man -depth -type d -empty -delete 2>/dev/null

fixlocalpod

for f in Change* CHANGES README* ${mydoc}; do
[[ -s "${f}" ]] && dodoc ${f}
done

find "${D}/${VENDOR_LIB}" -type f -a ( -name .packlist
-o ( -name '*.bs' -a -empty ) ) -delete
find "${D}/${VENDOR_LIB}" -depth -mindepth 1 -type d -empty -delete

find "${D}" -type f -not -name '*.so' -print0 | while read -rd ' f ; do
if file "${f}" | grep -q -i " text" ; then
if grep -q "${D}" "${f}" ; then ewarn "QA: File contains a temporary path ${f}" ;fi
sed -i -e "s:${D}:/:g" "${f}"
fi
done
}

perl-module_pkg_setup() {
${perlinfo_done} || perlinfo
}

perl-module_pkg_preinst() {
${perlinfo_done} || perlinfo
}

perl-module_pkg_postinst() { : ; }
# einfo "Man pages are not installed for most modules now."
# einfo "Please use perldoc instead."
#}

perl-module_pkg_prerm() { : ; }

perl-module_pkg_postrm() { : ; }

perlinfo() {
perlinfo_done=true

local f version install{site{arch,lib},archlib,vendor{arch,lib}}
for f in version install{site{arch,lib},archlib,vendor{arch,lib}} ; do
eval "$(perl -V:${f} )"
done
PERL_VERSION=${version}
SITE_ARCH=${installsitearch}
SITE_LIB=${installsitelib}
ARCH_LIB=${installarchlib}
VENDOR_LIB=${installvendorlib}
VENDOR_ARCH=${installvendorarch}
}

fixlocalpod() {
find "${D}" -type f -name perllocal.pod -delete
find "${D}" -depth -mindepth 1 -type d -empty -delete
}