Bug#848126: dh-r: should use buildflags from package to be built instead of r-base

[James Cowgill]

Package: dh-r
Version: 20161130
Severity: wishlist

Hi,

While looking at a package using dh-r, I noticed that it doesn't respond
to setting funky DEB_BUILD_OPTIONS flags (eg enabling address
sanitizer). It seems that when R packages are compiled, the buildflags
which were used when r-base was compiled are used instead of the
buildflags dpkg-buildflags gives. This can be seen from the fact that
the buildflags of dh-r packages contain
"-fdebug-prefix-map=/build/r-base-...". It would be good if dh-r could
somehow override the buildflags so DEB_BUILD_OPTIONS works properly.

I am not at all familiar with the R build system - this may in fact be a
bug in r-base so please reassign it if it needs to be fixed there instead.

Thanks,
James

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