Description: Use build flags from environment for perl (dpkg-buildflags).
 Necessary for hardening flags.
Author: Simon Ruderich <simon@ruderich.org>
--- a/src/http/modules/perl/Makefile.PL
+++ b/src/http/modules/perl/Makefile.PL
@@ -3,6 +3,7 @@
 # Copyright (C) Nginx, Inc.
 
 use 5.006001;
+use Config;
 use ExtUtils::MakeMaker;
 
 WriteMakefile(
@@ -13,7 +14,10 @@
     ABSTRACT_FROM     => 'nginx.pm',     # retrieve abstract from module
     AUTHOR            => 'Igor Sysoev',
 
-    CCFLAGS           => "$ENV{NGX_PM_CFLAGS}",
+    # $Config{ccflags}/$Config{lddlflags} doesn't contain hardening flags
+    # (yet), add them manually.
+    CCFLAGS           => "$Config{ccflags} $ENV{CFLAGS} $ENV{CPPFLAGS} $ENV{NGX_PM_CFLAGS}",
+    LDDLFLAGS         => "$Config{lddlflags} $ENV{LDFLAGS}",
     OPTIMIZE          => '-O',
 
     INC               => "-I ../../../../../src/core " .