segfault on 32bit

[Marco Atzeri]

while trying to build the 32bit version on python,
I hit this never seen before issue:

checking for %zd printf() format support... make: *** No targets 
specified and no makefile found.  Stop.
*** ERROR: make failed
       4 [main] sh 18479 D:\cygwin32\bin\sh.exe: *** fatal error in 
forked process - WFSO timed out after longjmp
       4 [main] sh 18479 D:\cygwin32\bin\sh.exe: *** fatal error in 
forked proces
s - WFSO timed out after longjmp
   72365 [main] sh 18479 cygwin_exception::open_stackdumpfile: Dumping 
stack trac
e to sh.exe.stackdump
   72365 [main] sh 18479 cygwin_exception::open_stackdumpfile: Dumping 
stack trac
e to sh.exe.stackdump


$ uname -svr
CYGWIN_NT-10.0-WOW 3.1.4(0.340/5/3) 2020-02-19 08:45

what is a WFSO ?
Attached stackdump.

Marco


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Stack trace:
Frame     Function  Args
006DC438  61084F28 (00000148, 00000000, 00000000, 00000018)
End of stack trace