Hello, On Thu, Dec 3, 2009 at 10:39 PM, Ralf Wildenhues <ralf.wildenh...@gmx.de> wrote: > * Alon Bar-Lev wrote on Thu, Dec 03, 2009 at 09:28:59PM CET: >> I had to add -prefer-pic to CFLAGS in order it to work properly... :) >> >> Wow... this is an ugly workaround... Any reason why a simple switch to >> "libtool --mode=link" is not supported? > > Yes, I think this is by intention. What you do is, at least most of the > time, ugly.
Oh... It depends of how you perceive ugly... :) Well... I have a plugin which shares code with programs. The plugin should be self-contained. And I have .a libraries which are common to both. In order to support this I must use this workaround for all libraries which are common to the plugin and the module. I just finished migrating a proprietary build system into autoconf/automake/libtool and this simple task became the most complex one. > Why do you need the library to be PIC? Usually, the reason > for that is that lib1.la does end up included in a, or a couple of, shared > libraries or modules somewhere. True. I need to be linked into .so which is a standalone plugin. > And at that point, you risk (exposing > your users to) subtle bugs: if code from lib1 is present in several > places, and contains static state (example: last random number of a > RNG), then on some systems, different parts of the running executable > might suddenly use different instances of that state. Eww. Well... I can think of a lot of bug that may result from incorrect use of tools... > Typically, that's the point at which developers reconsider to make lib1 > a proper shared library. Yes, but I cannot have dependencies for my plugin .so implementation. >> Is it the first time someone needs this? > > No, but we've been able to convince most of the other guys that asked > for this to reconsider. ;-) I see... :) Thank you for your help... As long as there is a workaround I am happy... But... I think this requirement is not so extra ordinary. Thank you, Alon. _______________________________________________ http://lists.gnu.org/mailman/listinfo/libtool
