On Wed, Feb 19, 2014 at 01:28:56AM +1030, Alan Modra wrote: > On Sun, Feb 16, 2014 at 09:37:24PM +0100, Sam Ravnborg wrote: > > The trick used is that for each directory a linker script is > > generated that name all the file to be linked - and for > > sub-directories this is just the linker script for that directory. > > > > The file continue to be named "built-in.o" but it is really a linker script. > > You'll need binutils newer than 2012-06-25 > https://sourceware.org/ml/binutils/2012-06/msg00201.html > > > I recall the idea is from someone else - but have long lost memory of > > from where I saw it. > > I think it might have been my idea originally, implemented by Stephen > Rothwell. Sounds right - added in cc: > > Another possibility is to use thin archives to package up the objects. > Thin archives are like normal archives except they just contain paths > to the objects, not the object contents. Paths are flattened when > adding one thin archive to another. I think Stephen may have tried > that idea too. I just coded this in a similar simple fashion. It broke building vdso - needs to look into that and will get back when I may understand why my link suddenly broke. Thanks for the feedback! Sam -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
