2, configure failed:
bash-3.2$ ./configure
5 [main] expr 952 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)
./configure: line 56: 952 Segmentation fault (core dumped) expr a :
'\(a\)' > /dev/null 2>&1
4 [main] expr 2808 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)
5 [main] expr 3516 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)
5 [main] expr 3328 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)
5 [main] expr 2648 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)
5 [main] expr 900 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)
5 [main] expr 1840 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)
5 [main] expr 2972 _cygtls::handle_exceptions: Error while dumping state
(probably corrupted stack)