From dbeffe38e805355f76a9db9a711298c01d41c2ad Mon Sep 17 00:00:00 2001
From: Gabriel Ebner <gebner@gebner.org>
Date: Fri, 15 Dec 2017 19:07:56 +0100
Subject: [PATCH] perl generic builder: recognize #!/usr/bin/env perl

---
 pkgs/development/perl-modules/generic/builder.sh | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/pkgs/development/perl-modules/generic/builder.sh b/pkgs/development/perl-modules/generic/builder.sh
index 09b50e564110..1b8888dd3ceb 100644
--- a/pkgs/development/perl-modules/generic/builder.sh
+++ b/pkgs/development/perl-modules/generic/builder.sh
@@ -17,10 +17,7 @@ preConfigure() {
             first=$(dd if="$fn" count=2 bs=1 2> /dev/null)
             if test "$first" = "#!"; then
                 echo "patching $fn..."
-                sed < "$fn" > "$fn".tmp \
-                    -e "s|^#\!\(.*/perl.*\)$|#\! \1$perlFlags|"
-                if test -x "$fn"; then chmod +x "$fn".tmp; fi
-                mv "$fn".tmp "$fn"
+                sed -i "$fn" -e "s|^#\!\(.*[ /]perl.*\)$|#\!\1$perlFlags|"
             fi
         fi
     done