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On Thu, Aug 21, 2014 at 04:27:24PM +0530, Siddhesh Poyarekar wrote: > Finally, I did some ad hoc cross-builds for powerpc64 (power6), s390x, > aarch64 and arm and the binaries did not seem to have any significant > changes in any of the architectures except in s390x, where libc.so > seems to have changed very slightly. I am going to run some more > exhaustive build tests over the rest of the week and I'll post results > (and maybe additional patches if necessary) on this thread when I am > done. I have now done cross build tests for a few more architectures and here are the results for them: - s390x-linux-gnu: Found a bug for which I posted patch 20/20. I have a slight improvement to the patch which I will post shortly. - powerpc64-linux-gnu: - microblaze-linux-gnu: - ia64-linux-gnu: - arm-linux-gnu: - aarch64-linux-gnu: All OK, no changes to generated code. - m68k-linux-gnu: - alpha-linux-gnu: Patch 20/20 causes these to export unwinder symbols conditionalized in elf/Versions using the EXPORT_UNWIND_FIND_FDE macro. Upon looking deeper, it looks like they ought to have exported the symbols after all since both architectures set libc_cv_gcc_unwind_find_fde to yes in their configure fragments. I tried a few other architectures too, but they failed due to some tooling issues; I haven't yet figured out what's wrong but it's probably easier if maintainers test their respective architectures. Siddhesh
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