Index: Scripts/qa.sh
===================================================================
--- Scripts/qa.sh
+++ Scripts/qa.sh
@@ -942,10 +942,35 @@
 	return 0
 }
 
+perl5run()
+{
+	if [ -z "${USEPERL5RUN}" ]; then
+		return 0
+	fi
+	# skip check if port is a p5-* one; they always run depend on perl
+	if [ "${PKGBASE%%-*}" = "p5" ]; then
+		return 0
+	fi
+
+	perl5runused=0
+	while read -r f; do
+		# no results presents a blank line from heredoc
+		[ -z "$f" ] && continue
+		file ${f} | grep -vi perl > /dev/null 2>&1
+		perl5runused=$((${perl5runused}+${?}))
+	done <<-EOF
+		$(find ${STAGEDIR} -type f)
+		EOF
+	if [ ${perl5runused} -eq 0 ]; then
+		warn "You have a run depend on perl5 but no files in the package seem to use perl"
+	fi
+	return 0
+}
+
 checks="shebang symlinks paths stripped desktopfileutils sharedmimeinfo"
 checks="$checks suidfiles libtool libperl prefixvar baselibs terminfo"
-checks="$checks proxydeps sonames perlcore no_arch gemdeps gemfiledeps flavors"
-checks="$checks license"
+checks="$checks proxydeps sonames perlcore perl5run no_arch gemdeps"
+checks="$checks gemfiledeps flavors license"
 
 ret=0
 cd ${STAGEDIR} || exit 1
Index: bsd.port.mk
===================================================================
--- bsd.port.mk
+++ bsd.port.mk
@@ -1655,6 +1655,9 @@
 .if !empty(USES:Mterminfo)
 QA_ENV+=		USESTERMINFO=yes
 .endif
+.if !empty(USES:Mperl5) && (!empty(USE_PERL5:Mrun) || !empty(USE_PERL5:Mconfigure) || !empty(USE_PERL5:Mmodbuild) || !empty(USE_PERL5:Mmodbuildtiny))
+QA_ENV+=		USEPERL5RUN=yes
+.endif
 
 CO_ENV+=		STAGEDIR=${STAGEDIR} \
 				PREFIX=${PREFIX} \