From 1f457b8296358200e614df0b4d25f53983fe365f Mon Sep 17 00:00:00 2001
From: "Nathan S. Watson-Haigh" <nathan.watson-haigh@adelaide.edu.au>
Date: Wed, 12 Jan 2022 13:32:49 +1030
Subject: [PATCH] use warnings instead of -w flag

`-w` flag is incompatible with `/usr/bin/env perl` (e.g. when installing via conda). Instead use `use warnings;` will have better compatibility.
---
 scripts/dnadiff.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scripts/dnadiff.pl b/scripts/dnadiff.pl
index 2ffcdbb..335f915 100644
--- a/scripts/dnadiff.pl
+++ b/scripts/dnadiff.pl
@@ -1,4 +1,4 @@
-#!__PERL_PATH -w
+#!__PERL_PATH
 
 #-------------------------------------------------------------------------------
 #   Programmer: Adam M Phillippy, University of Maryland
@@ -13,6 +13,7 @@
 use Foundation;
 use File::Spec::Functions;
 use strict;
+use warnings;
 
 my $BIN_DIR = "__BIN_DIR";
 my $SCRIPT_DIR = "__SCRIPT_DIR";