On 19/09/15 16:25, Jacco Ligthart wrote:
This looks like a nice description of what I see, including a patch for glibc:
http://permalink.gmane.org/gmane.linux.linaro.cross-distro/121
Any thoughts on this?
To respond to myself:
I got TB to build. the only changes made were Gordan's gcc-4.8 patch and the
above mentioned glibc patch.
If the mirrors pick it up, you guys can test. (I'm away from a test machine. I
can build, but no clue if it installs, let alone works)
FF is building right now. we have to wait to see if the same is enough to build
that one also.
And it failed again, but differently. I'm back to the errors I reported
earlier:
<error>
In file included from
/builddir/build/BUILD/firefox-38.2.1/mozilla-esr38/objdir/js/src/Unified_cpp_js_src6.cpp:38:0:
/builddir/build/BUILD/firefox-38.2.1/mozilla-esr38/js/src/jit/arm/Architecture-arm.cpp:
In function 'uint32_t js::jit::ParseARMCpuFeatures(const char*, bool)':
/builddir/build/BUILD/firefox-38.2.1/mozilla-esr38/js/src/jit/arm/Architecture-arm.cpp:80:22:
error: 'HWCAP_VFPv4' was not declared in this scope
flags |= HWCAP_VFPv4;
^
/builddir/build/BUILD/firefox-38.2.1/mozilla-esr38/js/src/jit/arm/Architecture-arm.cpp:84:22:
error: 'HWCAP_IDIVT' was not declared in this scope
flags |= HWCAP_IDIVT;
</error>
I thought that these errors were similar to Gordan's. So I tried all the
patches and config changes which worked for FF 24 (of course they did
not apply cleanly). End result after many tries and retries, also with
all these patches I'm back to the error message of above :(
Really? Despite the patch from back in FF 24 that makes it disable VFP
stuff on ARM (since we're soft-float)? That's... quite annoying...
I'm not sure how to continue this the smart way. First, however, I'm
going to try the dumb way: build the rpm on a rpi2 (vs the odroid I
usually use for building) the rpi2 *does* have the vfpv4 and idivt flags
in its features.
I suspect the problem is more fundamental than that. Seems there were
assumptions made about ARM always being hard-float, which is what the
old patches in our FF 24 package were supposed to address.
Is there a way to disable JIT alltogether? That might bypass the whole
issue.
Gordan
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