Re: [fltk.general] FLTK as an external dependency in Bazel? - Forums

On 1/28/23 22:01 Mohammed wrote:

It’s a peculiar thing I’ll admit. it was reported in the fltk-rs repo:

UI not showing on Mac · Issue #432 · fltk-rs/fltk-rs

github.com

Oh, that's getting funny! ;-)

??? Not really.

Long story short: building FLTK inside/below /tmp on macOS Ventura 13.1 (MacBook Air M1) and launching apps works ... sometimes. Crazy!

OK, to test this, my first step was:
```
git worktree add /tmp/fltk
cd /tmp/fltk/
make -j7
test/hello
open test/hello.app/
```

Worked like a charm! Note that the first command checks out a "worktree" from the current Git working tree to /tmp/fltk.

So, why does it work here?

Checked: this was an older Git commit: 4bff15278e83616e4da6be9d36ed05c0c949545b from Jan 5, 2023.

OK, checking out the latest commit: 86a0a288152da0d3891ae67f56fd88014f6787f5, then running:
```
make distclean
make -j7
...
Generating keyboard_ui.cxx ... etc. --- HANGS
```

Hmm, running `make -j1` or `make -k -j5` and other variations reveals: it hangs in `fluid` (as expected).
Even `make -j77` hangs.

Running `fluid -c any.fl` manually hangs too.

So what ... ?

Next try: Building with CMake and Ninja (default configuration): works flawlessly. I can run all test and demo programs I tested, including glpuzzle. `fluid -c` and interactive `fluid` work fine.

Conclusion: I don't know. Strange things are going on. Did I find a bug in macOS? Maybe, since I **can** run GUI programs built in /tmp with CMake ! ;-)

One more point: building with CMake + make (instead of ninja) works as well. I have no idea what's going on.

Sorry, that's it for tonight from me. Maybe someone else who knows more about macOS (Manolo?) can take a look.

Good night from here.

Also check the linked issue in vcpkg (C++).

Sent from my iPhone

On 28 Jan 2023, at 23:53, Albrecht Schlosser <AlbrechtS.fltk@online.de> wrote:

On 1/28/23 20:47 Mo_Al_ wrote:

Are you perhaps launching the gui or running the build from the /tmp dir?

Hmm, now I'm curious. Do you think that this might change anything, is there anything we should know?

I just started an FLTK program from the /tmp dir and it worked as expected. I'm puzzled.

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