[pacman-dev] [RFC] Find real library names with libdepends/libprovides
Dave Reisner
d at falconindy.com
Wed May 8 19:59:53 EDT 2013
On Thu, May 09, 2013 at 12:15:27AM +0300, Mohammad Alsaleh wrote:
>
> makepkg only handles libprovides/libdepends correctly if the naming
> scheme is:
>
> lib${name}.so --> lib$name.so.$ver
>
> But it is not uncommon for libname.so to link to a '.so' file that
> does not follow this naming scheme. For example, these 2 schemes are
> sometimes used:
> lib$name.so --> libname$major.$major.$minor
> lib$name.so --> libname-$major.$major.$minor
>
> There exists other schemes.
Can you point out where these exist in the wild? They're hugely
non-conformant, and glibc's ldconfig won't even read these files without
specific nudging. I'm not sure how other implementations behave.
>
> With those cases, and before these patches, makepkg would add
> lib$name.so to provides unversioned and display a warning.
>
> And if another package adds lib$name.so as a dependency, the build
> will succeed and only a warning will be displayed.
>
> Not only makepkg fails to find version/arch for libraries in those
> scenarios. But the success of builds in both provide/depend sides
> might give the illusion that versioned sodepends are actually honored.
>
> If the idea behind these 2 patches is rejected. I would like to
> propose promoting the warning in find_libprovides() to an error.
>
> [PATCH 1/2] makepkg: Search/Add real library names libprovide link to
> [PATCH 2/2] makepkg: Search/Add real library names libdepend link to
>
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