On 7 Apr 2016, at 10:52 AM, Ben Hutchings <b...@decadent.org.uk> wrote:
> Given the low quality and lack of unit tests in many scientific > applications, how confident can we be that the 'old' packages (that > have now built with newer toolchains and libraries) actually still > produce the same results they used to? If we are not, even that > historic value is lost. Full archive rebuilds are done every so often. The switchover to the gcc-5 toolchain was an example and everything was rebuilt at least once during that time. My understanding is that packages are dropped if they don't build in this case, and no-one steps up to fix them within a reasonable (months) period of time. Tim.
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