Daniel Kahn Gillmor: > On Sun 2016-06-12 23:25:33 -0400, HW42 wrote: >> as Mattia noticed dpkg-buildflags doesn't escape the build path in the >> -fdebug-prefix-map CC argument when enabling the 'fixdebugpath' option. >> >> What assumptions does dpkg make about the build path? I think there are a >> lot of build scripts which anyway break if the build path contains a >> space. > > that seems likely to me -- not just debian packaging scripts either, but > likely upstream build toolchain decisions as well. > >> Unfortunately this isn't trivially fixed since the flags are >> concatenated as a string and later exported in different languages >> (shell, Makefile). So if we want to support spaces in buildpaths this >> need to be changed to an array. What do you think? > > I think you mean that the flags should be internally stored as an array > inside dpkg-dev instead of a concatenated string.
exactly > That sounds right to me, and a worthwhile change in its own right. > > It won't fix any upstream toolchain bugs, of course, and if we start to > vary by having whitespace (or even weirder characters) in paths, we're > likely to see a large number of FTBFS. I don't think that should be done as part of the reproducible builds efforts. I raised this only because if dpkg-dev would assume a space free build path anyway an escape(split(flags, ' ')) would have been enough. > fixing dpkg-dev to treat the flags internally as an array seems like a > good first step, though. Ack.
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