[Build-common-hackers] Bug#642950: cdbs: how to override dpkg-buildflags flags

[Bart Martens]

Package: cdbs
Version: 0.4.99
Tags: patch

The package gnomeradio fails to build from source because
dpkg-buildflags adds -Werror=format-security to CFLAGS.
Using DEB_CFLAGS_MAINT_STRIP=-Werror=format-security in debian/rules
should override that, but cdbs 0.4.99 doesn't seem to pick this up.

The attached patch should solve that.  The patch adds the use of the
variable DEB_DPKG_BUILDFLAGS_ENV to cdbs.

Packages like gnomeradio can then have this line in debian/rules:
DEB_DPKG_BUILDFLAGS_ENV := DEB_CFLAGS_MAINT_STRIP=-Werror=format-security

Regards,

Bart Martens
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