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On Thu, Oct 21, 2010 at 2:58 PM, Grant <emailgrant@×××××.com> wrote: |
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> I just upgraded from gcc-4.4.3-r2 to gcc-4.4.4-r2 and I'm wondering if |
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> I really need to rebuild everything as it says in the guide: |
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> |
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> http://www.gentoo.org/doc/en/gcc-upgrading.xml |
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> |
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> If not, when is it necessary? |
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As that guide says: |
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"Generally speaking, upgrades to bug fix releases, like from 3.3.5 to |
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3.3.6, should be quite safe -- just emerge new version, switch your |
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system to use it and rebuild the only affected package, libtool." |
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The "General Upgrade Instructions" are more for major version changes. |
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I don't think 4.4.3 to 4.4.4 is considered an upgrade in this sense, |
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just a minor update. |
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I think even on larger upgrade, like 4.3 to 4.4, it's only necessary |
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to rebuild everything if libstdc++.so's major version number has |
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changed. @preserved-rebuild will hopefully give some assistance in |
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that case anyway (if you're using a version of portage that has it). |
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