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On 7/26/10 1:29 PM, Tomáš Chvátal wrote: |
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> Title: --as-needed enabled in default profiles |
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> Author: Tomáš Chvátal <scarabeus@g.o> |
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> Content-type: text/plain |
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> Posted: 2010-07-26 |
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> Revision: 1 |
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> News-Item-Format: 1.0 |
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> |
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> Starting today all applications emerged on your system are linked |
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> together with additional LDFLAGS="-Wl,--as-needed". This option |
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> allows us to avoid linking extra libraries into the final binary |
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> improving startup times and more importantly making binaries more |
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> resistant to a library SONAME changes [1]. |
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How about making it less technical? Just say that you'll need to rebuild |
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less packages on average after a library upgrade than before. |
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> To gain the benefits of the change you should doublecheck your |
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> value of LDFLAGS in make.conf because the variable does not fold and |
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> your make.conf value is final. So after checking it and potentially |
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> removing we suggest rebuilding whole system to benefit from it. |
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This might be a bit unclear to less savvy users. How about just make |
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sure your LDFLAGS in /etc/make.conf contains "-Wl,--as-needed" or is unset? |
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> Overriding the in-profiles value is quite simple as described by |
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> previous paragraph. Just put simply LDFLAGS="-Wl,01" in make.conf. |
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Instead of saying "overriding", I'd say something more similar to |
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"disabling --as-needed" and add that it is not recommended. |
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> [1] http://www.gentoo.org/proj/en/qa/asneeded.xml |
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Paweł |
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P.S. It's nice to see this happening, thanks! |
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