This has come up before. Here was the last answer I could find:
https://www.mail-archive.com/macvisionaries@googlegroups.com/msg95537.html CB On 1/15/14 3:24 PM, Chris Moore wrote:
Hello, I’m looking at building brltty on the mac. The first problem is compiling a version of screen with shared memory. I don’t think the version which comes with the os in /usr/bin supports shared memory . I installed the version of screen from macports, but don’t think the result is any better even though it appears to include the shared memory patch from brltty. Any other insights are welcome. Chris
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