On Thu, Apr 22, 2010 at 5:08 PM, Jack Howarth <howa...@bromo.med.uc.edu> wrote: > On Thu, Apr 22, 2010 at 07:38:04AM -0700, Ian Lance Taylor wrote: >> Jack Howarth <howa...@bromo.med.uc.edu> writes: >> >> > Looking at the results of the tests executed >> > by plugin.exp on x86_64 Fedora 10, I don't see >> > any evidence that -rdynamic is ever used. >> >> On GNU/Linux, in order to use plugins, it's necessary to use -rdynamic >> when linking cc1. Otherwise plugins will not be able to access many >> functions and variables in cc1. >> >> Darwin has a somewhat different model; I don't know if anything >> similar is required there. >> >> Ian > > Ian, > Since the proposed patch on darwin (using 'nm -g') reports > to configure that -rdynamic is unnecessary on darwin and the > resulting gcc build generates code via dragon-egg, I believe > we can infer that this isn't an issue on darwin. So I guess > my current patch should be best... > > http://gcc.gnu.org/ml/gcc-patches/2010-04/msg01345.html > > Of course, it should be adjusted later for Solaris and > Irix once they sort out which set of devtools and utilities > will be the baseline requirement of compiling plugin support > (since the system compilers may not provide -rdynamic and > objdump may not be present).
If plugins work on Solaris and Irix currently then we shouldn't regress for them. Richard. > Jack > > >
