Re: cannot install watchman?

On 11/20/22, 9:01 AM, "Hanspeter Niederstrasser" <[email protected]> wrote:
> 
    > Our watchman is pretty old, but even the immediate next release 
    > completely changes the build system and adds many dependencies that we 
    > don't have, some of which might be impossible(?).

    I made some progress on some deps for upgrading watchman, but one 
    library folly [1] wasn't working. Maybe someone will have better luck 
    with it.

    [1] https://github.com/facebook/folly

I pushed a few new packages that folly required a dependencies (enough to get through 'cmake'), but compiling fails on my 10.13 box with some typedef errors in Time.h. Applying a fix for them, analogous to https://github.com/facebook/folly/pull/488 , gave a bunch of warnings on that section of code but no errors.

Next up, a bunch of asm errors:

/tmp/foo/folly/synchronization/AtomicUtil-inl.h:279:1: error: invalid output
      constraint '=@ccc' in asm
FOLLY_DETAIL_ATOMIC_BIT_OP_DEFINE(bts);
^
/tmp/foo/folly/synchronization/AtomicUtil-inl.h:240:17: note: expanded from
      macro 'FOLLY_DETAIL_ATOMIC_BIT_OP_DEFINE'
              : "=@ccc"(out), "+m"(*ptr)                                  \
                ^

Seems like I need a newer compiler than the clang-10.0.0 that comes with xcode-10.1. MacPorts says it's a minimum OS X 10.14 (https://trac.macports.org/ticket/65306). Switching to fink's gcc11 (bin/g++-fsf-11) seems to get me past those, to a compiled libfolly.a. But a final linking stage fails:

[ 99%] Linking CXX executable logging_example
ld: library not found for -lc++fs

I don't have libc++fs.{a,dylib} anywhere on my system.

dan






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