Fwd: KDE/kdebase/libkonq

[Thiago Macieira]

Alexander Neundorf wrote:
>So does this mean if I link to kparts and use QString in my app, I have
> to add QtCore explicitely. But as long as I don't call any functions
> from zlib directly, I don't have to add it, right ?
>Seems bearable to me.
>
>This would mean la files are not required.

In the pedantic world, since you're using stuff from QtCore, you'll 
remember to add it to your app's list of dependencies.

But I don't think we should do that.

Here's how I summarise it:
- CMake has its own dependency tracking mechanism, just like it has been 
posted
- When you link to a library in the same project, CMake figures out the 
dependencies on its own, just like it has been posted

so far, no changes

- When you install a library and the target platform can't remember the 
dependencies (Win32, MacOS X, other non-ELF systems), you install an .la 
file along with the library's binary
- When you link to a library that came from another project, you check if 
the .la file is there. If it is, you read the dependent library list from 
it.
- If it isn't there, assume the library is stand-alone.

PS: KDE doesn't use static ELF libraries, so I didn't include it in the 
summary above, but CMake may have to do it for other projects.

PPS: we do use static ELF libraries, but those are "convenience libraries" 
because automake can't link to files that are in other dirs. Just forget 
about them.

-- 
  Thiago Macieira  -  thiago (AT) macieira.info - thiago (AT) kde.org
    PGP/GPG: 0x6EF45358; fingerprint:
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2. Tó cennan his weorc gearu, ymbe se circolwyrde, wearð se cægbord and se 
leohtspeccabord, and þa mýs cómon lator. On þone dæg, he hine reste.
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