From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Fri, 11 Apr 2014 12:28:22 +0200
Subject: [PATCH] allow extra configure arguments via environment

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
 Makefile.PL | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Makefile.PL b/Makefile.PL
index 7b0a3d9..db76de0 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -34,8 +34,10 @@ if ($^O eq 'MSWin32') {
     configure_mswin32();
 } else {
     my $path_perl = ($^X =~ m!^/!o) ? $^X : `which $^X`;
+    my $args = $ENV{"CONFIGURE_ARGS"};
     my $cmd = "CC='$Config{cc}' CFLAGS='$Config{ccflags}' ./configure";
     $cmd .= " --with-perl=$path_perl" if ($path_perl);
+    $cmd .= " $args" if ($args);
     system($cmd);
 }