Date: Wed, 10 Jul 2013 17:03:43 -0400 From: Rich Felker <dalias@...ifal.cx> To: musl@...ts.openwall.com Subject: Re: [PATCH 1/3] PIE support for arm (copyright...) On Wed, Jul 10, 2013 at 03:28:44PM -0400, Rich Felker wrote: > On Wed, Jul 10, 2013 at 12:23:29PM -0700, Isaac wrote: > > On Wed, Jul 10, 2013 at 04:38:59PM +0300, Timo Ter??s wrote: > > > --- > > > Originally based on the glibc's implementation, but as this is > > > very short function (of which only maybe 10 lines are from the > > > original work), and the rest is modified to suit musl. I believe > > > we could just place on public domain. > > > > (Disclaimer: IANAL) > > > > Ick. Don't do that. > > At least, not without review from a regular glibc contributor/maintainer, > > Eben Moglen, the author, or another authority who could state that it is > > the FSF's position that this does not infringe. > > > > While it seems minimal, there are other considerations: > > (0) If a court disagrees and rules that it is copyright infringement, > > what happens? > > > > (1) If it gets publicized, the potential for FUD is huge. > > > > (2) Even if it's fair use/de minimis, there is still a risk of legal action. > > And that alone is a big problem. > > In fact, the perception of a risk is a problem. > > Agreed. There is no reason to even look at, much less copy, glibc code > to do this. All that's needed for Scrt1.s is to make crt1.s > position-independent. I just wrote and committed my own Scrt1.s; it seems to be working. I believe the approach is slightly different, avoiding GOT slots for symbols which must be defined in the main program. (Note that main need not be defined in the main program; it can be defined in a shared library!) Rich
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