Sync architecture specific hardening support with dpkg 1.17.1.

[blhc/blhc.git] / bin / blhc

diff --git a/bin/blhc b/bin/blhc
index 3abb9791e189b0e3f43139de7d0182218469414d..b5177bdda7b88e6a452c57c93f091318c5d4301d 100755 (executable)
--- a/bin/blhc
+++ b/bin/blhc
@@ -500,15 +500,17 @@ sub compile_flag_regexp {
 
     my @result = ();
     foreach my $flag (@flags) {
+        # Compile flag regexp for faster execution.
+        my $regex = qr/\s$flag(?:\s|\\)/;
+
         # Store flag name in replacement string for correct flags in messages
         # with qr//ed flag regexps.
-        $flag_renames_ref->{qr/\s$flag(?:\s|\\)/}
+        $flag_renames_ref->{$regex}
             = (exists $flag_renames_ref->{$flag})
                 ? $flag_renames_ref->{$flag}
                 : $flag;
 
-        # Compile flag regexp for faster execution.
-        push @result, qr/\s$flag(?:\s|\\)/;
+        push @result, $regex;
     }
     return @result;
 }
@@ -568,7 +570,8 @@ if ($option_help) {
     Pod::Usage::pod2usage(1);
 }
 if ($option_version) {
-    print "blhc $VERSION  Copyright (C) 2012-2013  Simon Ruderich
+    print <<"EOF";
+blhc $VERSION  Copyright (C) 2012-2013  Simon Ruderich
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -582,7 +585,7 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
-";
+EOF
     exit 0;
 }
 
@@ -917,7 +920,7 @@ foreach my $file (@ARGV) {
 
     # Option or auto detected.
     if ($arch) {
-        # The following was partially copied from dpkg-dev 1.16.4.3
+        # The following was partially copied from dpkg-dev 1.17.1
         # (/usr/share/perl5/Dpkg/Vendor/Debian.pm, add_hardening_flags()),
         # copyright Raphaël Hertzog <hertzog@debian.org>, Kees Cook
         # <kees@debian.org>, Canonical, Ltd. licensed under GPL version 2 or
@@ -927,7 +930,12 @@ foreach my $file (@ARGV) {
         my ($abi, $os, $cpu) = Dpkg::Arch::debarch_to_debtriplet($arch);
 
         # Disable unsupported hardening options.
-        if ($cpu =~ /^(?:ia64|alpha|mips|mipsel|hppa)$/ or $arch eq 'arm') {
+        if ($os !~ /^(?:linux|knetbsd|hurd)$/ or
+                $cpu =~ /^(?:hppa|mips|mipsel|avr32)$/) {
+            $harden_pie = 0;
+        }
+        if ($cpu =~ /^(?:ia64|alpha|mips|mipsel|hppa|arm64)$/
+                or $arch eq 'arm') {
             $harden_stack = 0;
         }
         if ($cpu =~ /^(?:ia64|hppa|avr32)$/) {