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Dnia 2014-03-12, o godz. 15:46:01 |
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hasufell <hasufell@g.o> napisał(a): |
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|
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> -----BEGIN PGP SIGNED MESSAGE----- |
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> Hash: SHA512 |
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> |
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> We have a problem where the crossdev pkg-config wrapper scripts |
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> interfere with multilib. |
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> |
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> crossdev for example sets in their pkg-config wrappers: |
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> |
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> PKG_CONFIG_LIBDIR="${SYSROOT}/usr/lib/pkgconfig:${SYSROOT}/usr/share/pkgconfig" |
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> |
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> Now, SYSROOT is chosen from multiple conditions. When emerging a |
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> package, that happens to be "/" and thus results in: |
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> "//usr/lib/pkgconfig://usr/share/pkgconfig" |
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> |
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> Build systems like autotools will pick the crossdev provided |
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> "i686-pc-linux-gnu-pkg-config" for the 32bit ABI which will in turn |
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> override the eclass-exported PKG_CONFIG_LIBDIR and now effectively |
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> find the pkg-config files in /usr/lib64/... |
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> |
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> This is not a problem most of the time if the package just wants to |
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> get the libs to link against. |
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> |
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> However, every package that tries to access variables that are |
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> different between /usr/lib32/pkgconfig/foo.pc and |
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> /usr/lib64/pkgconfig/foo.pc like "libdir" will fail or produce |
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> unexpected results. |
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> |
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> That already happens for |
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> x11-libs/libva-vdpau-driver |
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> x11-libs/libva (https://bugs.gentoo.org/show_bug.cgi?id=500338) |
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> |
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> and there are probably more. |
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|
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Another possible workaround is to make pkgconfig true-multilib. Then it |
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would own i686-pc-linux-gnu-pkgconfig, and that executable would work |
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correctly. More than that, we could work on killing the PKG_CONFIG_PATH |
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hack. |
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|
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-- |
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Best regards, |
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Michał Górny |
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