macOS issues

[Leszek Buczkowski]

I noticed two issues with Picat on macOS (macbook air M3, Sequoia 15.4.1):

- Compilation hangs on toam.c (at least 10 minutes, I did not wait longer). A workaround is to compile toam.c with -O rather than -O3:

CFLAGS1 = -O -DDARWIN -Wall -DGC -fomit-frame-pointer -Wno-error=unused-label # -arch x86_64  MacOS X, Darwin

toam.o  : toam.c term.h inst.h basicd.h basic.h toam.h event.h frame.h emu_inst.h
$(CCC) $(CFLAGS1) toam.c...

- Enter does not work as expected in debugger (picat -d ...). Pressing Enter simply prints ^M. Pressing Ctrl-J does the job.

[Leszek Buczkowski]

Correction:

The ^M issue seems to be specific to WezTerm, the terminal app I usually use. It does not occur in other terminal apps (the default macos Terminal, Rio and iTerm2), so this is not really a Picat problem..

[Neng-Fa Zhou]

Thanks for sharing the information. I also had the same issue with the Apple Clang compiler when I used a Mac with an Intell processor. However, after I switched to MacBook Pro with an m1 processor, the issue disappeared. The version of gcc I use is:

gcc --version
Apple clang version 16.0.0 (clang-1600.0.26.6)

Now compilation of Picat only takes seconds (with the -O3 option). What version of Clang do you use?

Cheers,

NF

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[Leszek Buczkowski]

gcc --version
Apple clang version 17.0.0 (clang-1700.0.13.3)
Target: arm64-apple-darwin24.4.0
Thread model: posix