CMake Error at src/CMakeLists.txt:179 (file): File name too long about libfm-qt HOT 18 CLOSED

@kuh3h3
Try it in a build dir:

cd build
cmake <path to sources> -DCMAKE_INSTALL_PREFIX=/usr
make
make install

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@luis-pereira Thanks. fixed now

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I think this is a serious problem and should be fixed. The user has right to issue the first command but, in that case, he'll encounter an enormous amount of nested folders.

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@luis-pereira?

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sorry, why it is a problem - the only problem is that the to has no clue and that he will mess up his system - both are not upstream problems.
@kuh3h3 - please do yourself a favour and use the ubuntu/debian packaging tools, might be a little learning curve but it is worth it.

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@agaida I meant it as a general problem, not kuh3h3's -- he succeeded in compiling libfm-qt.

Why is it a problem? Because something as simple as cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr creates practically infinite nested folders. That isn't the case with pcmanfm-qt, for example. Of course, none of us does that but it's possible. IMO, telling the user he shouldn't issue a simple command similar to that is like telling him not to use a program in a way it might crash.

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@tsujan We don't support in source builds
Altough all documentation uses out of source build we don't enforce it.

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Right - maybe we should. @tsujan and i guess the very most packaging tools in distributions do this by default.

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@tsujan This issue will most certainly happen with all our librarys. But not with applications.
My proposal were is to enforce out of source builds. They are the standard.

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We don't support in source builds

If so, we should have made it impossible, not leaving it to create infinite nested folders. That's like I say I don't support a kind of usage for my app and if the user chooses it, any crash will be his/her responsibility!!

Somethings is definitely wrong here.

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We don't talk about simple users - we talk about users that have a dev background. At least they should have. To be crystal clear about: For the very most distributions cmake $foo .; make; make install it a precise shot into both feets. Thats why my answer. And the distribution support will also say: Wait a minute, why this should be our problem - thats not our supported way to do things. But we should give a hint about the need of out of tree compiling and then stop processing.

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@agaida My opinion is as simple as this and, although I'm a fallible human being, I try to act accordingly everywhere: Any well-structured system should make heavy mistakes impossible -- be it a computer program or a Weltanschauung.

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Yes, it should be enforced. But IMO it's not a big deal.
Experienced users will do out of source builds without thinking about it or actually read the documentation.
Newbies should and probably will follow the documentation and have no trouble.

I will write a module to enforce it ASAP.

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I will write a module to enforce it ASAP.

Thanks! Looking forward to it.

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Experienced users will do out of source builds without thinking about it or actually read the documentation.

Hihi - right, never ever spend a thought. And i was surprised that it is possible ...

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Fix proposal:
lxqt/lxqt-build-tools#28
lxqt/liblxqt#136
....

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Let's do it.

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Can be closed now - we allow only out of source builds

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