I am seeing frequent errors when building seq 2.2.4 on Linux with parallel make. This is with base 3.15.5 on a 20-core machine.
Sometimes it works:
corvette:~/support/seq-2-2-4>make -sj clean.linux-x86
corvette:~/support/seq-2-2-4>make -sj install.linux-x86
2 parsing conflicts.
But often it fails:
corvette:~/support/seq-2-2-4>make -sj clean.linux-x86
corvette:~/support/seq-2-2-4>make -sj install.linux-x86
../var_types.c:17:17: fatal error: snl.h: No such file or directory
#include "snl.h"
^
compilation terminated.
2 parsing conflicts.
Running make a second time seems to always allow the build to complete.
Mark