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Hello, |
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On Tuesday 03 November 2009 22:44:43 Petric Frank wrote: |
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> Hello, |
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> > > > Is uClinux the proper alternative for this |
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> > > |
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> > > In general it is the proper alternative for machines without MMU. |
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> > > |
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> > > > or are the mips kernels available in the portage tree patched to |
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> > > > cover this ? |
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> > > |
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> > > In theory that's possible, but I doubt it. |
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> > |
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> > As far as i understand the cross compile system - the uclibc built by |
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> > crossdev is the one the compiled software for the target to be linked |
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> > against. Resulting from this the uclibc must reflect the target system |
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> > (here especially: no-mmu). |
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> > Hope i am right here. |
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> > |
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> > So i tried to do this using the savedconfig use-flag. I broke to |
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> > compilation process while it is compiling uclibc. Then i did a "make |
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> > menuconfig" (in /var/tmp/...) and disabled MMU and (as followup) the |
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> > target file format to "STATIC FLAT" (i assume PIE is also not possible |
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> > because of the missing MMU). |
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> > |
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> > At restarting the crossdev execution i got an error while installing |
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> > uclibc. The compile step of the ebuild went well. At the installation |
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> > stage it complains that it is missing "utils/ldconfig.host" when doing |
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> > newbin. This can be seen in the ebuild in the src_install step. The |
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> > offending line is newbin utils/ldconfig.host ${CTARGET}-ldconfig | die |
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> > |
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> > So this file seems not to be generated during the uclibc built process |
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> > when PIE is off. This applies to ldd.host also. |
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Ok - another reply to myself (must be paranoid) ... |
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I've introduced bug #291787 which is now completed and the changes went |
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already to the portage tree. |
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It fixes the problem with the installation stage failure, where it tries to |
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install ldd and ldconfig. But these files will not be generated when uclibc |
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was directed to build static libs only. |
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So it remains a problem with gcc (at crossdev / gcc stage2) which does not |
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detect that the uclibc is static only and tries to build libgcc_s.so (oh - a |
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shared lib). As result the build process fails there. |
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See http://bugs.gentoo.org/show_bug.cgi?id=291870 |
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regards |
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Petric |
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