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On 07/01/2013 04:48 PM, heroxbd wrote: |
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> Dear Guys and Gals, |
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> |
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> Gentoo on Android is about running Gentoo natively in a directory prefix |
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> on Android devices[1] in parallel with native Android, mentored by Luca. |
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> |
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> Progress report for the past 3 days, |
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> |
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> 1. gcc specs hack is not that interesting as it first looks. |
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> - parsing or generating specs script is no fun. |
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> The best parser/generator is gcc itself |
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> - appending simple specs (suches -dynamic-linker=/xx/xx.so) feel |
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> not clever, appending --with-spec to configure either. |
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> |
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> Therefore, I decide not to use specs hack as the main building |
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> block. At the same time, it can be handy to do manual tuning |
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> with it. |
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That must be reconsidered later to understand what's the problem and if |
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upstream can help on that. |
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> Relying on binutils wrapper is no good either. The solution |
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> finally falls on a mixed one between sysroot and native paths |
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> methods (ref. table in [2]). Where I make use of eprefixify of |
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> prefix.eclass to modify location of dynamic linker for *run |
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> time* and sysroot for *compile time*. |
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It isn't perfect, but as long it gives result I can live with that. |
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> 2. Prefix/libc armhf works rock solid. It is now being "emerge -e |
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> @world" with the help of many distcc cross compilers. I have to |
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> leave my cell phone home for a constant power supply and |
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> ethernet connection (yes! USB ethernet adapter) though. |
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Make sure it is near a heatsink (AC or such). |
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> The bug is related to VDSO. A full description of the problem is |
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> on stackoverflow[3]. I'd be very appreciated for any hints. |
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uclibc or musl might or might not help? |
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lu |
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