[eclass] Split all non-phase functions in use into perl-functions.eclass

2 files changed, 356 insertions, 342 deletions

diff --git a/eclass/perl-functions.eclass b/eclass/perl-functions.eclass
new file mode 100644
index 000000000..d9a5343f9
--- /dev/null
+++ b/eclass/perl-functions.eclass
@@ -0,0 +1,355 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+# @ECLASS: perl-functions.eclass
+# @MAINTAINER:
+# perl@gentoo.org
+# Seemant Kulleen <seemant@gentoo.org>
+# @BLURB: perl utility functions
+# @DESCRIPTION:
+# The perl-functions eclass is a collection of perl-specific utilities
+# that may be useful in non-CPAN based ebuilds.
+
+perl_diagnostics() {
+	local d
+	d=${T}/perl-diagnostics.log
+	[[ -e ${d} ]] && return
+	: > $d
+
+	{
+		echo "perl: $(type -p perl)"
+		echo
+		echo "ENV values:"
+		env | grep -E '^(PERL|HOME=|MANPATH|PATH|TEST|GENTOO_PERL)'
+		echo
+		echo "perl -V:"
+		perl -V 2>&1
+		echo
+		if type -p perl-info 2>/dev/null ; then
+			echo "perl-info output:"
+			echo
+			perl-info
+			echo
+		fi
+		echo "Corelist Versions:"
+		perl -MModule::CoreList -e 'for $mod ( Module::CoreList->find_modules(qr/^/) ) { eval "require $mod; print q[$mod : ] . \$${mod}::VERSION . qq[\n]; 1" or print qq{\e[31mNA: $mod\e[0m\n};}'
+	} >> $d
+
+	eerror
+	eerror "-- Gentoo Perl Team specific bug reporting request --"
+	eerror "Please attach the contents of the following file with your bug report:"
+	eerror " $d"
+	eerror
+}
+
+perl_check_module_version() {
+	local REAL_PV
+	local gpmv="$(type -p gentoo-perlmod-version.pl)"
+	[[ -n ${MODULE_VERSION} && -n ${gpmv} && -x ${gpmv} ]] || return
+	REAL_PV=$( ${gpmv} --oneshot "${MODULE_VERSION}" )
+	if [[ -n ${REAL_PV} && ${REAL_PV} != ${PV} ]] ; then
+		eqawarn "QA Notice: Based on MODULE_VERSION=${MODULE_VERSION} the ebuild version ${PV} is wrong!"
+		eqawarn "           The ebuild version should be ${REAL_PV}"
+		perl_qafatal "version" "${REAL_PV} != ${PV}"
+	fi
+}
+
+# @FUNCTION: perl_set_version
+# @USAGE: perl_set_version
+# @DESCRIPTION:
+# Extract version information and installation paths from the current Perl
+# interpreter.
+#
+# This sets the following variables: PERL_VERSION, SITE_ARCH, SITE_LIB,
+# ARCH_LIB, VENDOR_LIB, VENDOR_ARCH
+#
+# This function used to be called perlinfo as well.
+perl_set_version() {
+	debug-print-function $FUNCNAME "$@"
+	debug-print "$FUNCNAME: perlinfo_done=${perlinfo_done}"
+	${perlinfo_done} && return 0
+	perlinfo_done=true
+
+	perl_check_module_version
+
+	local f version install{{site,vendor}{arch,lib},archlib}
+	eval "$(perl -V:{version,install{{site,vendor}{arch,lib},archlib}} )"
+	PERL_VERSION=${version}
+	SITE_ARCH=${installsitearch}
+	SITE_LIB=${installsitelib}
+	ARCH_LIB=${installarchlib}
+	VENDOR_LIB=${installvendorlib}
+	VENDOR_ARCH=${installvendorarch}
+}
+
+# @FUNCTION: perl_delete_localpod
+# @USAGE: perl_delete_localpod
+# @DESCRIPTION:
+# Remove stray perllocal.pod files in the temporary install directory D.
+#
+# This function used to be called fixlocalpod as well.
+perl_delete_localpod() {
+	debug-print-function $FUNCNAME "$@"
+
+	find "${D}" -type f -name perllocal.pod -delete
+	find "${D}" -depth -mindepth 1 -type d -empty -delete
+}
+
+# @FUNCTION: perl_fix_osx_extra
+# @USAGE: perl_fix_osx_extra
+# @DESCRIPTION:
+# Look through ${S} for AppleDouble encoded files and get rid of them.
+perl_fix_osx_extra() {
+	debug-print-function $FUNCNAME "$@"
+
+	# Remove "AppleDouble encoded Macintosh file"
+	local f
+	find "${S}" -type f -name "._*" -print0 | while read -rd '' f ; do
+		einfo "Removing AppleDouble encoded Macintosh file: ${f#${S}/}"
+		rm -f "${f}"
+		f=${f#${S}/}
+	#	f=${f//\//\/}
+	#	f=${f//\./\.}
+	#	sed -i "/${f}/d" "${S}"/MANIFEST || die
+		grep -q "${f}" "${S}"/MANIFEST && \
+			elog "AppleDouble encoded Macintosh file in MANIFEST: ${f#${S}/}"
+	done
+}
+
+# @FUNCTION: perl_delete_module_manpages
+# @USAGE: perl_delete_module_manpages
+# @DESCRIPTION:
+# Bump off manpages installed by the current module such as *.3pm files as well
+# as empty directories.
+perl_delete_module_manpages() {
+	debug-print-function $FUNCNAME "$@"
+
+	perl_set_eprefix
+
+	if [[ -d "${ED}"/usr/share/man ]] ; then
+#		einfo "Cleaning out stray man files"
+		find "${ED}"/usr/share/man -type f -name "*.3pm" -delete
+		find "${ED}"/usr/share/man -depth -type d -empty -delete
+	fi
+}
+
+# @FUNCTION: perl_delete_packlist
+# @USAGE: perl_delete_packlist
+# @DESCRIPTION:
+# Look through ${D} for .packlist files, empty .bs files and empty directories,
+# and get rid of items found.
+perl_delete_packlist() {
+	debug-print-function $FUNCNAME "$@"
+	perl_set_version
+	if [[ -d ${D}/${VENDOR_ARCH} ]] ; then
+		find "${D}/${VENDOR_ARCH}" -type f -a \( -name .packlist \
+			-o \( -name '*.bs' -a -empty \) \) -delete
+		find "${D}" -depth -mindepth 1 -type d -empty -delete
+	fi
+}
+
+# @FUNCTION: perl_remove_temppath
+# @USAGE: perl_remove_temppath
+# @DESCRIPTION:
+# Look through ${D} for text files containing the temporary installation
+# folder (i.e. ${D}). If the pattern is found (i.e. " text"), replace it with `/'.
+perl_remove_temppath() {
+	debug-print-function $FUNCNAME "$@"
+
+	find "${D}" -type f -not -name '*.so' -print0 | while read -rd '' f ; do
+		if file "${f}" | grep -q -i " text" ; then
+			grep -q "${D}" "${f}" && ewarn "QA: File contains a temporary path ${f}"
+			sed -i -e "s:${D}:/:g" "${f}"
+		fi
+	done
+}
+
+# @FUNCTION: perl_rm_files
+# @USAGE: perl_rm_files "file_1" "file_2"
+# @DESCRIPTION:
+# Remove certain files from a Perl release and remove them from the MANIFEST
+# while we're there.
+#
+# Most useful in src_prepare for nuking bad tests, and is highly recommended
+# for any tests like 'pod.t', 'pod-coverage.t' or 'kwalitee.t', as what they
+# test is completely irrelevant to end users, and frequently fail simply
+# because the authors of Test::Pod... changed their recommendations, and thus
+# failures are only useful feedback to Authors, not users.
+#
+# Removing from MANIFEST also avoids needless log messages warning
+# users about files "missing from their kit".
+perl_rm_files() {
+	debug-print-function $FUNCNAME "$@"
+	local skipfile="${T}/.gentoo_makefile_skip"
+	local manifile="${S}/MANIFEST"
+	local manitemp="${T}/.gentoo_manifest_temp"
+	oldifs="$IFS"
+	IFS="\n"
+	for filename in "$@"; do
+		einfo "Removing un-needed ${filename}";
+		# Remove the file
+		rm -f "${S}/${filename}"
+		[[ -e "${manifile}" ]] && echo "${filename}" >> "${skipfile}"
+	done
+	if [[ -e "${manifile}" && -e "${skipfile}" ]]; then
+		einfo "Fixing Manifest"
+		grep -v -F -f "${skipfile}" "${manifile}" > "${manitemp}"
+		mv -f -- "${manitemp}" "${manifile}"
+		rm -- "${skipfile}";
+	fi
+	IFS="$oldifs"
+}
+
+# @FUNCTION: perl_link_duallife_scripts
+# @USAGE: perl_link_duallife_scripts
+# @DESCRIPTION:
+# Moves files and generates symlinks so dual-life packages installing scripts do not
+# lead to file collisions. Mainly for use in pkg_postinst and pkg_postrm, and makes
+# only sense for perl-core packages.
+perl_link_duallife_scripts() {
+	debug-print-function $FUNCNAME "$@"
+	if [[ ${CATEGORY} != perl-core ]] || ! has_version ">=dev-lang/perl-5.8.8-r8" ; then
+		return 0
+	fi
+
+	perl_set_eprefix
+
+	local i ff execdir mandir
+
+	execdir="usr/share/perl-${P}/bin"
+	mandir="usr/share/perl-${P}/man/man1"
+
+	if has "${EBUILD_PHASE:-none}" "postinst" "postrm" ; then
+		for i in "${DUALLIFESCRIPTS[@]}" ; do
+			alternatives_auto_makesym "/${i}-${PV}"	"${EROOT}${execdir}/${i##*/}"
+			alternatives_auto_makesym "/${i}" "/${i}-[0-9]*"
+		done
+		for i in "${DUALLIFEMAN[@]}" ; do
+			# Expand $i to a full path as it was installed,
+			# which may add .gz or whatever to the end during compress.
+			# then boil it till you just get ".gz"
+			ff="${EROOT}${mandir}/${i##*/}";
+			ff=$( echo ${ff%.1}.1* );
+			ff=${ff##*.1}
+			alternatives_auto_makesym "/${i%.1}-${PV}.1${ff}" "${EROOT}${mandir}/${i##*/}${ff}"
+			alternatives_auto_makesym "/${i}${ff}" "/${i%.1}-[0-9]*.1${ff}"
+		done
+	else
+		pushd "${ED}" > /dev/null
+		for i in $(find usr/bin -maxdepth 1 -type f 2>/dev/null) ; do
+			mkdir -p "${D}/${execdir}" || die
+			mv ${i} "${D}/${execdir}/${i##*/}" || die
+			#DUALLIFESCRIPTS[${#DUALLIFESCRIPTS[*]}]=${i##*/}
+			DUALLIFESCRIPTS[${#DUALLIFESCRIPTS[*]}]=${i}
+		done
+		for i in $(find usr/share/man/man1 -maxdepth 1 -type f 2>/dev/null) ; do
+			mkdir -p "${D}/${mandir}" || die
+			mv ${i} "${D}/${mandir}/${i##*/}" || die
+			DUALLIFEMAN[${#DUALLIFEMAN[*]}]=${i}
+		done
+
+		einfo "Cleaning empty directories"
+		perl_trim_empty_dirs "${EROOT}/usr/bin"
+
+		popd > /dev/null
+	fi
+}
+
+# @FUNCTION: perl_qafatal
+# @USAGE: perl_qafatal TYPE "Die reason"
+# @DESCRIPTION:
+# Invoking this method after eqawarn's allows an entry point for the eclass to trigger
+# a fatal exit if the user has PERL_QAFATAL set.
+#
+# The value TYPE will be used to optionally allow the user to filter certain QA Types.
+# TYPE = eapi 		 	 : Legacy EAPI warnings
+# TYPE = modulebuild 	 : Failure to include Module-Build as a dependency.
+# TYPE = modulebuildtiny : Failure to include Module-Build-Tiny as a dependency
+# TYPE = function    	 : Use of a deprecated function
+# TYPE = version     	 : version and expected version missmatch
+#
+# PERL_QAFATAL:
+#  == "1" 		- Fatal for all types
+#  has "all" 	- Fatal for all types
+#  has "$type" 	- Fatal for "$type"
+perl_qafatal() {
+	local failtype=$1
+	local failreason=$2
+	if [[ "${PERLQAFATAL:-0}" == 1 ]]; then
+		eerror "Bailing out due to PERLQAFATAL including $failtype (==1)";
+		die "$failtype: $failreason"
+	fi
+	if has 'all' ${PERLQAFATAL}; then
+		eerror "Bailing out due to PERLQAFATAL including $failtype (all)";
+		die "$failtype: $failreason"
+	fi
+	if has $failtype ${PERLQAFATAL}; then
+		eerror "Bailing out due to PERLQAFATAL including $1";
+		die "$failtype: $failreason"
+	fi
+}
+
+perl_set_eprefix() {
+	debug-print-function $FUNCNAME "$@"
+	case ${EAPI:-0} in
+		0|1|2)
+			if ! use prefix; then
+				EPREFIX=
+				ED=${D}
+				EROOT=${ROOT}
+			fi
+			;;
+	esac
+}
+
+# @FUNCTION: perl_check_env
+# @USAGE: perl_check_env
+# @DESCRIPTION:
+# Checks a blacklist of known-suspect ENV values that can be accidentally set by users
+# doing personal perl work, which may accidentally leak into portage and break the
+# system perl installaton.
+# Dies if any of the suspect fields are found, and tell the user what needs to be unset.
+# There's a workaround, but you'll have to read the code for it.
+perl_check_env() {
+	local errored value;
+
+	for i in PERL_MM_OPT PERL5LIB PERL5OPT PERL_MB_OPT PERL_CORE PERLPREFIX; do
+		# Next unless match
+		[ -v $i ] || continue;
+
+		# Warn only once, and warn only when one of the bad values are set.
+		# record failure here.
+		if [ ${errored:-0} == 0 ]; then
+			if [ -n "${I_KNOW_WHAT_I_AM_DOING}" ]; then
+				elog "perl-module.eclass: Suspicious environment values found.";
+			else
+				eerror "perl-module.eclass: Suspicious environment values found.";
+			fi
+		fi
+		errored=1
+
+		# Read ENV Value
+		eval "value=\$$i";
+
+		# Print ENV name/value pair
+		if [ -n "${I_KNOW_WHAT_I_AM_DOING}" ]; then
+			elog "    $i=\"$value\"";
+		else
+			eerror "    $i=\"$value\"";
+		fi
+	done
+
+	# Return if there were no failures
+	[ ${errored:-0} == 0 ] && return;
+
+	# Return if user knows what they're doing
+	if [ -n "${I_KNOW_WHAT_I_AM_DOING}" ]; then
+		elog "Continuing anyway, seems you know what you're doing."
+		return
+	fi
+
+	eerror "Your environment settings may lead to undefined behavior and/or build failures."
+	die "Please fix your environment ( ~/.bashrc, package.env, ... ), see above for details."
+}
+
diff --git a/eclass/perl-module.eclass b/eclass/perl-module.eclass
index d4d73add7..d2e5522d5 100644
--- a/eclass/perl-module.eclass
+++ b/eclass/perl-module.eclass
@@ -12,7 +12,7 @@
 # The perl-module eclass is designed to allow easier installation of perl
 # modules, and their incorporation into the Gentoo Linux system.
 
-inherit eutils multiprocessing unpacker
+inherit eutils multiprocessing unpacker perl-functions
 [[ ${CATEGORY} == "perl-core" ]] && inherit alternatives
 
 PERL_EXPF="src_unpack src_compile src_test src_install"
@@ -430,77 +430,6 @@ perl-module_pkg_postrm() {
 
 has perl_diagnostics ${EBUILD_DEATH_HOOKS} || EBUILD_DEATH_HOOKS+=" perl_diagnostics"
 
-perl_diagnostics() {
-	local d
-	d=${T}/perl-diagnostics.log
-	[[ -e ${d} ]] && return
-	: > $d
-
-	{
-		echo "perl: $(type -p perl)"
-		echo
-		echo "ENV values:"
-		env | grep -E '^(PERL|HOME=|MANPATH|PATH|TEST|GENTOO_PERL)'
-		echo
-		echo "perl -V:"
-		perl -V 2>&1
-		echo
-		if type -p perl-info 2>/dev/null ; then
-			echo "perl-info output:"
-			echo
-			perl-info
-			echo
-		fi
-		echo "Corelist Versions:"
-		perl -MModule::CoreList -e 'for $mod ( Module::CoreList->find_modules(qr/^/) ) { eval "require $mod; print q[$mod : ] . \$${mod}::VERSION . qq[\n]; 1" or print qq{\e[31mNA: $mod\e[0m\n};}'
-	} >> $d
-
-	eerror
-	eerror "-- Gentoo Perl Team specific bug reporting request --"
-	eerror "Please attach the contents of the following file with your bug report:"
-	eerror " $d"
-	eerror
-}
-
-perl_check_module_version() {
-	local REAL_PV
-	local gpmv="$(type -p gentoo-perlmod-version.pl)"
-	[[ -n ${MODULE_VERSION} && -n ${gpmv} && -x ${gpmv} ]] || return
-	REAL_PV=$( ${gpmv} --oneshot "${MODULE_VERSION}" )
-	if [[ -n ${REAL_PV} && ${REAL_PV} != ${PV} ]] ; then
-		eqawarn "QA Notice: Based on MODULE_VERSION=${MODULE_VERSION} the ebuild version ${PV} is wrong!"
-		eqawarn "           The ebuild version should be ${REAL_PV}"
-		perl_qafatal "version" "${REAL_PV} != ${PV}"
-	fi
-}
-
-# @FUNCTION: perl_set_version
-# @USAGE: perl_set_version
-# @DESCRIPTION:
-# Extract version information and installation paths from the current Perl
-# interpreter.
-#
-# This sets the following variables: PERL_VERSION, SITE_ARCH, SITE_LIB,
-# ARCH_LIB, VENDOR_LIB, VENDOR_ARCH
-#
-# This function used to be called perlinfo as well.
-perl_set_version() {
-	debug-print-function $FUNCNAME "$@"
-	debug-print "$FUNCNAME: perlinfo_done=${perlinfo_done}"
-	${perlinfo_done} && return 0
-	perlinfo_done=true
-
-	perl_check_module_version
-
-	local f version install{{site,vendor}{arch,lib},archlib}
-	eval "$(perl -V:{version,install{{site,vendor}{arch,lib},archlib}} )"
-	PERL_VERSION=${version}
-	SITE_ARCH=${installsitearch}
-	SITE_LIB=${installsitelib}
-	ARCH_LIB=${installarchlib}
-	VENDOR_LIB=${installvendorlib}
-	VENDOR_ARCH=${installvendorarch}
-}
 
 # @FUNCTION: perlinfo
 # @USAGE: perlinfo
@@ -514,19 +443,6 @@ perlinfo() {
 	perl_set_version
 }
 
-# @FUNCTION: perl_delete_localpod
-# @USAGE: perl_delete_localpod
-# @DESCRIPTION:
-# Remove stray perllocal.pod files in the temporary install directory D.
-#
-# This function used to be called fixlocalpod as well.
-perl_delete_localpod() {
-	debug-print-function $FUNCNAME "$@"
-
-	find "${D}" -type f -name perllocal.pod -delete
-	find "${D}" -depth -mindepth 1 -type d -empty -delete
-}
-
 # @FUNCTION: fixlocalpod
 # @USAGE: fixlocalpod
 # @DESCRIPTION:
@@ -538,260 +454,3 @@ fixlocalpod() {
 	ewarn "perl-modules.eclass: fixlocalpod is deprecated and will be removed. Please use perl_delete_localpod instead."
 	perl_delete_localpod
 }
-
-# @FUNCTION: perl_fix_osx_extra
-# @USAGE: perl_fix_osx_extra
-# @DESCRIPTION:
-# Look through ${S} for AppleDouble encoded files and get rid of them.
-perl_fix_osx_extra() {
-	debug-print-function $FUNCNAME "$@"
-
-	# Remove "AppleDouble encoded Macintosh file"
-	local f
-	find "${S}" -type f -name "._*" -print0 | while read -rd '' f ; do
-		einfo "Removing AppleDouble encoded Macintosh file: ${f#${S}/}"
-		rm -f "${f}"
-		f=${f#${S}/}
-	#	f=${f//\//\/}
-	#	f=${f//\./\.}
-	#	sed -i "/${f}/d" "${S}"/MANIFEST || die
-		grep -q "${f}" "${S}"/MANIFEST && \
-			elog "AppleDouble encoded Macintosh file in MANIFEST: ${f#${S}/}"
-	done
-}
-
-# @FUNCTION: perl_delete_module_manpages
-# @USAGE: perl_delete_module_manpages
-# @DESCRIPTION:
-# Bump off manpages installed by the current module such as *.3pm files as well
-# as empty directories.
-perl_delete_module_manpages() {
-	debug-print-function $FUNCNAME "$@"
-
-	perl_set_eprefix
-
-	if [[ -d "${ED}"/usr/share/man ]] ; then
-#		einfo "Cleaning out stray man files"
-		find "${ED}"/usr/share/man -type f -name "*.3pm" -delete
-		find "${ED}"/usr/share/man -depth -type d -empty -delete
-	fi
-}
-
-# @FUNCTION: perl_delete_packlist
-# @USAGE: perl_delete_packlist
-# @DESCRIPTION:
-# Look through ${D} for .packlist files, empty .bs files and empty directories,
-# and get rid of items found.
-perl_delete_packlist() {
-	debug-print-function $FUNCNAME "$@"
-	perl_set_version
-	if [[ -d ${D}/${VENDOR_ARCH} ]] ; then
-		find "${D}/${VENDOR_ARCH}" -type f -a \( -name .packlist \
-			-o \( -name '*.bs' -a -empty \) \) -delete
-		find "${D}" -depth -mindepth 1 -type d -empty -delete
-	fi
-}
-
-# @FUNCTION: perl_remove_temppath
-# @USAGE: perl_remove_temppath
-# @DESCRIPTION:
-# Look through ${D} for text files containing the temporary installation
-# folder (i.e. ${D}). If the pattern is found (i.e. " text"), replace it with `/'.
-perl_remove_temppath() {
-	debug-print-function $FUNCNAME "$@"
-
-	find "${D}" -type f -not -name '*.so' -print0 | while read -rd '' f ; do
-		if file "${f}" | grep -q -i " text" ; then
-			grep -q "${D}" "${f}" && ewarn "QA: File contains a temporary path ${f}"
-			sed -i -e "s:${D}:/:g" "${f}"
-		fi
-	done
-}
-
-# @FUNCTION: perl_rm_files
-# @USAGE: perl_rm_files "file_1" "file_2"
-# @DESCRIPTION:
-# Remove certain files from a Perl release and remove them from the MANIFEST
-# while we're there.
-#
-# Most useful in src_prepare for nuking bad tests, and is highly recommended
-# for any tests like 'pod.t', 'pod-coverage.t' or 'kwalitee.t', as what they
-# test is completely irrelevant to end users, and frequently fail simply
-# because the authors of Test::Pod... changed their recommendations, and thus
-# failures are only useful feedback to Authors, not users.
-#
-# Removing from MANIFEST also avoids needless log messages warning
-# users about files "missing from their kit".
-perl_rm_files() {
-	debug-print-function $FUNCNAME "$@"
-	local skipfile="${T}/.gentoo_makefile_skip"
-	local manifile="${S}/MANIFEST"
-	local manitemp="${T}/.gentoo_manifest_temp"
-	oldifs="$IFS"
-	IFS="\n"
-	for filename in "$@"; do
-		einfo "Removing un-needed ${filename}";
-		# Remove the file
-		rm -f "${S}/${filename}"
-		[[ -e "${manifile}" ]] && echo "${filename}" >> "${skipfile}"
-	done
-	if [[ -e "${manifile}" && -e "${skipfile}" ]]; then
-		einfo "Fixing Manifest"
-		grep -v -F -f "${skipfile}" "${manifile}" > "${manitemp}"
-		mv -f -- "${manitemp}" "${manifile}"
-		rm -- "${skipfile}";
-	fi
-	IFS="$oldifs"
-}
-
-# @FUNCTION: perl_link_duallife_scripts
-# @USAGE: perl_link_duallife_scripts
-# @DESCRIPTION:
-# Moves files and generates symlinks so dual-life packages installing scripts do not
-# lead to file collisions. Mainly for use in pkg_postinst and pkg_postrm, and makes
-# only sense for perl-core packages.
-perl_link_duallife_scripts() {
-	debug-print-function $FUNCNAME "$@"
-	if [[ ${CATEGORY} != perl-core ]] || ! has_version ">=dev-lang/perl-5.8.8-r8" ; then
-		return 0
-	fi
-
-	perl_set_eprefix
-
-	local i ff execdir mandir
-
-	execdir="usr/share/perl-${P}/bin"
-	mandir="usr/share/perl-${P}/man/man1"
-
-	if has "${EBUILD_PHASE:-none}" "postinst" "postrm" ; then
-		for i in "${DUALLIFESCRIPTS[@]}" ; do
-			alternatives_auto_makesym "/${i}-${PV}"	"${EROOT}${execdir}/${i##*/}"
-			alternatives_auto_makesym "/${i}" "/${i}-[0-9]*"
-		done
-		for i in "${DUALLIFEMAN[@]}" ; do
-			# Expand $i to a full path as it was installed,
-			# which may add .gz or whatever to the end during compress.
-			# then boil it till you just get ".gz"
-			ff="${EROOT}${mandir}/${i##*/}";
-			ff=$( echo ${ff%.1}.1* );
-			ff=${ff##*.1}
-			alternatives_auto_makesym "/${i%.1}-${PV}.1${ff}" "${EROOT}${mandir}/${i##*/}${ff}"
-			alternatives_auto_makesym "/${i}${ff}" "/${i%.1}-[0-9]*.1${ff}"
-		done
-	else
-		pushd "${ED}" > /dev/null
-		for i in $(find usr/bin -maxdepth 1 -type f 2>/dev/null) ; do
-			mkdir -p "${D}/${execdir}" || die
-			mv ${i} "${D}/${execdir}/${i##*/}" || die
-			#DUALLIFESCRIPTS[${#DUALLIFESCRIPTS[*]}]=${i##*/}
-			DUALLIFESCRIPTS[${#DUALLIFESCRIPTS[*]}]=${i}
-		done
-		for i in $(find usr/share/man/man1 -maxdepth 1 -type f 2>/dev/null) ; do
-			mkdir -p "${D}/${mandir}" || die
-			mv ${i} "${D}/${mandir}/${i##*/}" || die
-			DUALLIFEMAN[${#DUALLIFEMAN[*]}]=${i}
-		done
-
-		einfo "Cleaning empty directories"
-		perl_trim_empty_dirs "${EROOT}/usr/bin"
-
-		popd > /dev/null
-	fi
-}
-
-# @FUNCTION: perl_qafatal
-# @USAGE: perl_qafatal TYPE "Die reason"
-# @DESCRIPTION:
-# Invoking this method after eqawarn's allows an entry point for the eclass to trigger
-# a fatal exit if the user has PERL_QAFATAL set.
-#
-# The value TYPE will be used to optionally allow the user to filter certain QA Types.
-# TYPE = eapi 		 	 : Legacy EAPI warnings
-# TYPE = modulebuild 	 : Failure to include Module-Build as a dependency.
-# TYPE = modulebuildtiny : Failure to include Module-Build-Tiny as a dependency
-# TYPE = function    	 : Use of a deprecated function
-# TYPE = version     	 : version and expected version missmatch
-#
-# PERL_QAFATAL:
-#  == "1" 		- Fatal for all types
-#  has "all" 	- Fatal for all types
-#  has "$type" 	- Fatal for "$type"
-perl_qafatal() {
-	local failtype=$1
-	local failreason=$2
-	if [[ "${PERLQAFATAL:-0}" == 1 ]]; then
-		eerror "Bailing out due to PERLQAFATAL including $failtype (==1)";
-		die "$failtype: $failreason"
-	fi
-	if has 'all' ${PERLQAFATAL}; then
-		eerror "Bailing out due to PERLQAFATAL including $failtype (all)";
-		die "$failtype: $failreason"
-	fi
-	if has $failtype ${PERLQAFATAL}; then
-		eerror "Bailing out due to PERLQAFATAL including $1";
-		die "$failtype: $failreason"
-	fi
-}
-
-perl_set_eprefix() {
-	debug-print-function $FUNCNAME "$@"
-	case ${EAPI:-0} in
-		0|1|2)
-			if ! use prefix; then
-				EPREFIX=
-				ED=${D}
-				EROOT=${ROOT}
-			fi
-			;;
-	esac
-}
-
-# @FUNCTION: perl_check_env
-# @USAGE: perl_check_env
-# @DESCRIPTION:
-# Checks a blacklist of known-suspect ENV values that can be accidentally set by users
-# doing personal perl work, which may accidentally leak into portage and break the
-# system perl installaton.
-# Dies if any of the suspect fields are found, and tell the user what needs to be unset.
-# There's a workaround, but you'll have to read the code for it.
-perl_check_env() {
-	local errored value;
-
-	for i in PERL_MM_OPT PERL5LIB PERL5OPT PERL_MB_OPT PERL_CORE PERLPREFIX; do
-		# Next unless match
-		[ -v $i ] || continue;
-
-		# Warn only once, and warn only when one of the bad values are set.
-		# record failure here.
-		if [ ${errored:-0} == 0 ]; then
-			if [ -n "${I_KNOW_WHAT_I_AM_DOING}" ]; then
-				elog "perl-module.eclass: Suspicious environment values found.";
-			else
-				eerror "perl-module.eclass: Suspicious environment values found.";
-			fi
-		fi
-		errored=1
-
-		# Read ENV Value
-		eval "value=\$$i";
-
-		# Print ENV name/value pair
-		if [ -n "${I_KNOW_WHAT_I_AM_DOING}" ]; then
-			elog "    $i=\"$value\"";
-		else
-			eerror "    $i=\"$value\"";
-		fi
-	done
-
-	# Return if there were no failures
-	[ ${errored:-0} == 0 ] && return;
-
-	# Return if user knows what they're doing
-	if [ -n "${I_KNOW_WHAT_I_AM_DOING}" ]; then
-		elog "Continuing anyway, seems you know what you're doing."
-		return
-	fi
-
-	eerror "Your environment settings may lead to undefined behavior and/or build failures."
-	die "Please fix your environment ( ~/.bashrc, package.env, ... ), see above for details."
-}