dpkg-buildflags: Add a new qa feature area

This will allow to add various Quality Assurance features that can be
used to avoid common errors.

debian/changelog

@@ -38,6 +38,7 @@ dpkg (1.17.14) UNRELEASED; urgency=low
     Based on a patch by Dima Kogan <dima@secretsauce.net>.
   * Add support for relative symlinks to dpkg-maintscript-helper symlink_to_dir
     command. Suggested by Don Armstrong <don@debian.org>.
+  * Add a new dpkg-buildflags qa feature area:
 
   [ Raphaël Hertzog ]
   * Explain better in deb-triggers(5) why interest/activate-noawait should be

man/dpkg-buildflags.1

@@ -2,7 +2,7 @@
 .\"
 .\" Copyright © 2010-2011 Raphaël Hertzog <hertzog@debian.org>
 .\" Copyright © 2011 Kees Cook <kees@debian.org>
-.\" Copyright © 2011-2013 Guillem Jover <guillem@debian.org>
+.\" Copyright © 2011-2014 Guillem Jover <guillem@debian.org>
 .\"
 .\" This is free software; you can redistribute it and/or modify
 .\" it under the terms of the GNU General Public License as published by
@@ -17,7 +17,7 @@
 .\" You should have received a copy of the GNU General Public License
 .\" along with this program.  If not, see <https://www.gnu.org/licenses/>.
 .
-.TH dpkg\-buildflags 1 "2013-10-20" "Debian Project" "dpkg suite"
+.TH dpkg\-buildflags 1 "2014-09-04" "Debian Project" "dpkg suite"
 .SH NAME
 dpkg\-buildflags \- returns build flags to use during package build
 .
@@ -135,7 +135,8 @@ the flag is set/modified by an environment-specific configuration.
 .TP
 .BI \-\-query\-features " area"
 Print the features enabled for a given area. The only currently recognized
-area is \fBhardening\fP, see the \fBFEATURE AREAS\fP section for more details.
+areas are \fBqa\fP and \fBhardening\fP, see the \fBFEATURE AREAS\fP section
+for more details.
 Exits with 0 if the area is known otherwise exits with 1.
 .IP
 The output is in RFC822 format, with one section per feature.
@@ -212,6 +213,10 @@ Thus disabling everything in the \fBhardening\fP area and enabling only
 .P
   export DEB_BUILD_MAINT_OPTIONS=hardening=\-all,+format,+fortify
 .
+.SS Quality Assurance (QA)
+Several compile-time options (detailed below) can be used to help detect
+problems in the source code or build system.
+.
 .SS Hardening
 Several compile-time options (detailed below) can be used to help harden
 a resulting binary against memory corruption attacks, or provide

scripts/Dpkg/Vendor/Debian.pm

@@ -67,6 +67,7 @@ sub run_hook {
 	    $$textref .= "Bug-Ubuntu: https://bugs.launchpad.net/bugs/$bug\n";
 	}
     } elsif ($hook eq 'update-buildflags') {
+	$self->_add_qa_flags(@params);
 	$self->_add_hardening_flags(@params);
     } else {
         return $self->SUPER::run_hook($hook, @params);
@@ -98,6 +99,22 @@ sub _parse_feature_area {
     }
 }
 
+sub _add_qa_flags {
+    my ($self, $flags) = @_;
+
+    # Default feature states.
+    my %use_feature = (
+    );
+
+    # Adjust features based on Maintainer's desires.
+    $self->_parse_feature_area('qa', \%use_feature);
+
+    # Store the feature usage.
+    while (my ($feature, $enabled) = each %use_feature) {
+        $flags->set_feature('qa', $feature, $enabled);
+    }
+}
+
 sub _add_hardening_flags {
     my ($self, $flags) = @_;
     my $arch = get_host_arch();