[Build-common-hackers] Bug#651966: class/langcore.mk: DEB_BUILD_MAINT_OPTIONS not passed to dpkg-buildflags

Simon Ruderich simon at ruderich.org
Tue Dec 13 17:05:13 UTC 2011

Package: cdbs
Severity: important
Tags: patch


To modify hardening flags dpkg-buildflags uses the
DEB_BUILD_MAINT_OPTIONS environmental variable. For example to
enable all hardening flags the maintainer can set it in

    export DEB_BUILD_MAINT_OPTIONS=hardening=+all

    include /usr/share/cdbs/1/...

But $(shell ...) doesn't inherit exported variables, thus at the
moment it's not possible to use DEB_BUILD_MAINT_OPTIONS to modify
dpkg-buildflags hardening flags in cdbs.

The attached patch fixes this and passes DEB_BUILD_MAINT_OPTIONS
to dpkg-buildflags, but I'm not sure if it's the best way to do


-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.1.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
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