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| # 08:16:29 | ddvlad | Hi, I'm trying to build a cross compiler that runs on x86 and generates powerpc code. My build machine is x86_64. Do I need a canadian cross in this case or is there a simpler way to generate a toolchain that runs on 32-bit x86? |
| # 08:30:27 | kos_tom | I would recommend building in a chroot |
| # 08:30:43 | kos_tom | you create a 32 bits chroot, in which you build your toolchain with crosstool-ng. |
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| # 08:39:56 | smartin | i agree with kos_tom about the chroot, it will be a lot faster, and less painful ;) |
| # 08:40:29 | ddvlad | Ok, I'll look into that, thanks for the tips! |
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| # 13:52:37 | imMute | technically that's a canadian cross (building the TC on x86_64 meant to be run on x86 that compiles code for ppc), but since x86_64 and x86 are so similar, it's possible to setup a chroot on x86_64 that's x86 only and do a regular cross |
| # 13:53:10 | imMute | but doing the chroot is definitely easier than a real canadian. |
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| # 15:49:46 | ddvlad | imMute: Yup, I set up the chroot relatively easily, now I'm working around a kernel that doesn't have the headers_install target |
| # 15:50:08 | kos_tom | ddvlad: you should upgrade your kernel |
| # 15:50:18 | kos_tom | ddvlad: headers_install has been around since 2.6.12, IIRC |
| # 15:50:31 | kos_tom | any kernel older than that should be upgraded rather than worked around :) |
| # 15:50:44 | ddvlad | kos_tom: Unfortunately, I'm required to keep the old kernel :( |
| # 15:51:16 | ddvlad | I suspect this is probably the greatest difficulty I will encounter. |
| # 15:51:35 | bhundven | I doubt it. I assume you will run into other problems. |
| # 15:52:00 | bhundven | if not a completely broken toolchain, in the end. |
| # 15:52:20 | kos_tom | ddvlad: what platform are you targetting? |
| # 15:52:44 | ddvlad | Hmm, I meant "the greatest source of problems", working around the headers is easy enough I hope :) |
| # 15:52:49 | ddvlad | kos_tom: powerpc |
| # 15:53:12 | bhundven | the better question may be: what are the requirements for using a kernel older then 2.6.12? |
| # 15:54:05 | ddvlad | I'll dig around, maybe I can also upgrade the kernel. |
| # 15:54:34 | ddvlad | Gotta go now, thanks for your suggestions. |
| # 16:01:32 | kos_tom | ddvlad: PowerPC is an architecture, and there are gazillions of different SoCs that use the PowerPC architecture |
| # 16:25:07 | bhundven | pulls his SoCs up |
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| # 20:04:12 | imMute | kos_tom: I know in the case of the AM35xx SoCs from TI, you're kinda limited to 2.6.36 because that's what their dev kit thing is at. |
| # 20:04:30 | imMute | a newer kernel might work depending on the application, and how good you are at porting TI's changes. |
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| # 20:10:32 | alan_o | imMute: For beagle bone, you can use a newer kernel by using https://github.com/beagleboard/kernel/tree/beaglebone-3.6/ |
| # 20:10:38 | alan_o | It's not complete yet, but functional |
| # 20:11:08 | alan_o | It's really about 30 patches or so on top of mainline |
| # 20:11:13 | alan_o | but not everything works perfectly yet |
| # 20:11:42 | alan_o | (it's more patches than that, but many are for the device tree) |
| # 20:14:41 | alan_o | imMute: just realized you said am35xx and not am335x. Nevermind then :) |
| # 20:15:07 | alan_o | and actually I think I just caught the end of the conversation after I logged in. |
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