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If they're defined, TCGETA, TCSETA, TCSETAW, and TCSETAF are used on
lines 702, 714, 717, and 720 of Modules/termios.c as of r60219. They
are defined by sys/ioctl.h as
 #define TCGETA _IOR('T', 1, struct termio)
 #define TCSETA _IOW('T', 2, struct termio)
 #define TCSETAW _IOW('T', 3, struct termio)
 #define TCSETAF _IOW('T', 4, struct termio)
These macro definitions expand to
 ( 0x40000000 | (( sizeof( struct termio ) & 0x3fff ) << 16) | (( 
 ( 'T' ) ) << 8) | ( ( 1 ) )) 
 ( 0x80000000 | (( sizeof( struct termio ) & 0x3fff ) << 16) | (( 
 ( 'T' ) ) << 8) | ( ( 2 ) )) 
 ( 0x80000000 | (( sizeof( struct termio ) & 0x3fff ) << 16) | (( 
 ( 'T' ) ) << 8) | ( ( 3 ) )) 
 ( 0x80000000 | (( sizeof( struct termio ) & 0x3fff ) << 16) | (( 
 ( 'T' ) ) << 8) | ( ( 4 ) )) 
respectively, so struct termio must be declared if any of these macros
are used. struct termio is declared in sys/termio.h. Since
sys/termio.h isn't included, Modules/termios.c fails to compile with the
following error messages:
 /home/m_kraai/src/python/Modules/termios.c:702: sizeof applied to an
incomplete type
 /home/m_kraai/src/python/Modules/termios.c:714: sizeof applied to an
incomplete type
 /home/m_kraai/src/python/Modules/termios.c:717: sizeof applied to an
incomplete type
 /home/m_kraai/src/python/Modules/termios.c:720: sizeof applied to an
incomplete type
sys/termio.h checks that it's included before termios.h is first
included. If it's not included first, it produces the following error
message:
 /usr/qnx630/target/qnx6/usr/include/sys/termio.h:109: #error
termio/termios incompatibility
What should configure test for?