<div dir="ltr">Hi Renato,<div><br></div><div>I am starting to do so. But some fixes are needed. So far I have got:</div><div><br></div><div><div>tinti@lyon:/mnt/w1/tinti/work/llvmlinux/targets/vexpress/src/linux (master)$ make ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- -j9 CONFIG_DEBUG_INFO=1 CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_NO_ERROR_ON_MISMATCH=y CC?="/mnt/w1/tinti/work/llvmlinux/toolchain/clang/install/bin/clang -gcc-toolchain /mnt/w1/tinti/work/llvmlinux/arch/arm/toolchain/codesourcery/arm-2013.05" 2>&1 | tee build2.log</div>
<div> CHK include/config/kernel.release</div><div> CHK include/generated/uapi/linux/version.h</div><div> HOSTCC scripts/bin2c</div><div> HOSTCC scripts/sortextable</div><div> CC scripts/mod/empty.o</div>
<div> CC scripts/mod/devicetable-offsets.s</div><div> CHK include/generated/utsrelease.h</div><div>clang-3.5: error: unsupported argument '-funwind-tables' to option 'Xassembler'</div><div>clang-3.5: error: unsupported argument '-march=armv7-a' to option 'Wa,'</div>
<div>make[2]: *** [scripts/mod/empty.o] Error 1</div><div>make[2]: *** Waiting for unfinished jobs....</div><div>make[1]: `include/generated/mach-types.h' is up to date.</div><div>make[1]: *** [scripts/mod] Error 2</div>
<div>make[1]: *** Waiting for unfinished jobs....</div><div> CALL scripts/checksyscalls.sh</div><div>make: *** [scripts] Error 2</div><div>make: *** Waiting for unfinished jobs....</div></div><div><br></div><div>I will keep trying and let you know. If you want to try it is quite simple I can explain you.</div>
<div><br></div><div>Regards,</div><div>Tinti</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Dec 6, 2013 at 3:56 PM, Renato Golin <span dir="ltr"><<a href="mailto:renato.golin@linaro.org" target="_blank">renato.golin@linaro.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Folks,<br>
<br>
We're trying to push the IAS by default on ARM's back-end to be ready<br>
for 3.5, and I need your help to make an argument.<br>
<br>
So far, people have compiled large projects (like Chromium and other<br>
internal stuff) with the IAS, as well as I am running the test-suite<br>
and the build tests with it and all seem fine. There were a number of<br>
bugs (which we'll collect here: <a href="http://llvm.org/PR18158" target="_blank">http://llvm.org/PR18158</a>) but all of<br>
them were fixed.<br>
<br>
Can you guys compile the kernel with the IAS turned on, just to see<br>
how many bugs would crop up? You can either add "-integrated-as" on<br>
Clang's command line, or apply the attached patch to LLVM before<br>
building the kernel.<br>
<br>
Also, I don't expect it to solve any problem, so please compile the<br>
kernel with your patches already in it, just to make sure we're not<br>
hitting bugs that GAS also fails.<br>
<br>
Let me know your findings, and I hope we don't find too many bugs...<br>
fingers crossed! ;)<br>
<br>
Thanks!<br>
<span class="HOEnZb"><font color="#888888">--renato<br>
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Simplicity is the ultimate sophistication<br></div>
</div>