ar and ranlib -D

[Erik Cederstrand]

Den 10/04/2014 kl. 17.06 skrev Dag-Erling Smørgrav <des at des.no>:

> The attached patch adds -D to ARFLAGS and introduces RANLIBFLAGS which
> defaults to -D.  This ensures that all timestamps inside static
> libraries in the base system are hardcoded to 0 (aka the epoch), which
> is a huge step towards fully reproducible builds.  Any objections?

I've used a similar patch for some time without problems. You should grep the tree to check that ar and ranlib are always called with ${ARFLAGS} and ${RANLIBFLAGS}. I seem to remember that some makefiles just hardcode the flags.

Erik