Follow-up Comment #1, bug #46261 (project make):
The change...
diff -uNr make-4.1.orig/main.c make-4.1/main.c
--- make-4.1.orig/main.c 2014-10-05 12:24:51.000000000 -0400
+++ make-4.1/main.c 2015-10-20 22:08:00.000000000 -0400
@@ -3364,9 +3364,12 @@
#else
/* Close the write side, so the read() won't hang. */
close (job_fds[1]);
-
- while (read (job_fds[0], &token, 1) == 1)
+ int r;
+ EINTRLOOP (r, read (job_fds[0], &token, 1));
+ while (r == 1) {
++tcnt;
+ EINTRLOOP (r, read (job_fds[0], &token, 1));
+ }
#endif
if (tcnt != master_job_slots)
seems to eliminate the failures here on OS X 10.12.
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