From 47634b9cf1f80a200e080c417719c7367fdff4be Mon Sep 17 00:00:00 2001
From: Danielle McLean <dani@00dani.me>
Date: Mon, 23 Oct 2023 14:38:27 +1100
Subject: [PATCH] Support relative --with-pmdir by using FindBin

---
 Makefile.am | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 7748399..22cd470 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -116,11 +116,14 @@ edit = sed -e 's|[@]PERL[@]|$(PERL)|g'       \
 pmdir_in_INC = \
 	PERL5LIB= $(PERL) -V | \
 	    awk '/@INC/ {p=1; next} p==1 {print $$1}' | \
-	    grep -q "$(pmdir)"
+	    grep -F -q "$(pmdir)"
 
 calc_use_lib_pmdir = \
+	pmdir="$(pmdir)"; \
 	if $(pmdir_in_INC); then \
 	    use_lib_pmdir=""; \
+	elif [ "$${pmdir\#../}" != "$$pmdir" ]; then \
+	    use_lib_pmdir="use FindBin; use lib \"\$$FindBin::Bin/$$pmdir\";"; \
 	else \
 	    use_lib_pmdir="use lib \"$(pmdir)\";"; \
 	fi