Christian Maeder schrieb: > Simon Marlow schrieb: >> On 23/08/2010 17:45, Brandon S Allbery KF8NH wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> On 8/23/10 11:57 , Christian Maeder wrote: >>>> However, when I try to compile the simplest source with on older >>>> gcc-3.4.4 I get the link error below, but only for the threaded rts! >>>> >>>> With ghc-6.12.1 and gcc-4.x.y (x< 3) I did not have such a problem when >>>> switching to a machine that only has gcc-3.4.4. >>> You got lucky; mixing GCC major versions like that is not expected (much >>> less guaranteed) to work in general. GCC evidently changed the way it >>> implements some thread support routines between gcc3 and gcc4.
Why should it not be possible to create object files (like also dynamic libs) with (very) different compilers? >> In particular, thread-local variables, which are used by the parallel GC. > > I'm just testing if I get runtime problems, but the linking error goes > away, if I put libgcc_eh.a from gcc-4.3.3 into ghc's libdir. The hack seems to work, although it looks dangerous regarding other symbols from libgcc_eh.a that should be in sync with the used gcc-3.4.4. C. _______________________________________________ Glasgow-haskell-users mailing list [email protected] http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
