perl-module.eclass and perl-functions.eclass: Add infrastructure to build .packlist files and keep/fix them in EAPI=6

eclass/perl-functions.eclass

@@ -106,17 +106,46 @@ 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 "${D}/${VENDOR_ARCH}" -type f -a -name .packlist -delete
+		perl_delete_emptybsdir
+	fi
+}
+
+# @FUNCTION: perl_delete_emptybsdir
+# @USAGE: perl_delete_emptybsdir
+# @DESCRIPTION:
+# Look through ${D} for empty .bs files and empty directories,
+# and get rid of items found.
+perl_delete_emptybsdir() {
+	debug-print-function $FUNCNAME "$@"
+	perl_set_version
+	if [[ -d ${D}/${VENDOR_ARCH} ]] ; then
+		find "${D}/${VENDOR_ARCH}" -type f \
+			-a -name '*.bs' -a -empty -delete
 		find "${D}" -depth -mindepth 1 -type d -empty -delete
 	fi
 }
 
+# @FUNCTION: perl_fix_packlist
+# @USAGE: perl_fix_packlist
+# @DESCRIPTION:
+# Look through ${D} for .packlist text files containing the temporary installation
+# folder (i.e. ${D}). If the pattern is found, silently replace it with `/'.
+perl_fix_packlist() {
+	debug-print-function $FUNCNAME "$@"
+
+	find "${D}" -type f -name '.packlist' -print0 | while read -rd '' f ; do
+		if file "${f}" | grep -q -i " text" ; then
+			sed -i -e "s:${D}:/:g" "${f}"
+		fi
+	done
+}
+
 # @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 `/'.
+# folder (i.e. ${D}). If the pattern is found, replace it with `/' and warn.
 perl_remove_temppath() {
 	debug-print-function $FUNCNAME "$@"
 

eclass/perl-module.eclass

@@ -244,7 +244,7 @@ perl-module_src_configure() {
 			--installdirs=vendor \
 			--libdoc= \
 			--destdir="${D}" \
-			--create_packlist=0 \
+			--create_packlist=1 \
 			"${myconf_local[@]}"
 		einfo "perl Build.PL" "$@"
 		perl Build.PL "$@" <<< "${pm_echovar}" \
@@ -407,7 +407,12 @@ perl-module_src_install() {
 
 	perl_delete_module_manpages
 	perl_delete_localpod
-	perl_delete_packlist
+	if [[ ${EAPI:-0} == 5 ]] ; then
+		perl_delete_packlist
+	else
+		perl_fix_packlist
+		perl_delete_emptybsdir
+	fi
 	perl_remove_temppath
 
 	for f in Change* CHANGES README* TODO FAQ ${mydoc}; do