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On Saturday, February 12, 2011 11:37:29 PM Diego Elio Pettenò wrote: |
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> Il giorno sab, 12/02/2011 alle 18.21 -0500, Mike Frysinger ha scritto: |
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> > patching packages in the tree is a huge hassle, |
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> > you add hassle to end users who d/l random packages and try to build |
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> > things |
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> > themselves, and you make Gentoo non-standard wrt every other distro |
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> > out there. |
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> |
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> What I had in mind was something that would work for upstreams as well, |
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> mostly by having fallback; so if a package supported up to libpng 1.4 it |
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> would search for -lpng14, then -lpng12, then -lpng (and in Gentoo would |
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> hit -lpng14); while one supporting 1.5 as well would go -lpng15 -lpng14 |
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> -lpng12 -lpng ... |
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> |
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> i.e. what most already do for berkdb but at some point with us not |
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> providing -lpng at all, if most upstreams would like that idea. |
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> |
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> But it's still a bit hairy at the moment, I admit it might just not fly. |
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I consider the berkdb thingy as an example of something not to do rather than |
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a proof of concept. |
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Have you thought about doing something like what was done for wxwidgets ? |
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- an eselect module for out of portage builds |
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- an eclass creating symlinks for libpng.pc/.so in $T and setting the correct |
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-L flag for the linker and PKG_CONFIG_PATH for the .pc ? |
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Not sure if this would work that easily but that's certainly better than |
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updating the version scans in every single package when a new libpng comes |
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out. |
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A. |
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