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Added configure check for broken poll() on some unix systems (MacOS X 10.3)

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Fixes SF Bug #850981
This commit is contained in:
Nicholas Bastin 2004-03-21 23:45:42 +00:00
parent 3f60629242
commit e62c5c88f1
4 changed files with 128 additions and 7 deletions
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74
configure vendored
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@ -1,5 +1,5 @@
#! /bin/sh
# From configure.in Revision: 1.451 .
# From configure.in Revision: 1.452 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.57 for python 2.4.
#
@ -17577,6 +17577,78 @@ _ACEOF
fi
echo "$as_me:$LINENO: checking for broken poll()" >&5
echo $ECHO_N "checking for broken poll()... $ECHO_C" >&6
if test "$cross_compiling" = yes; then
ac_cv_broken_poll=no
else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <poll.h>
int main (void)
{
struct pollfd poll_struct = { 42, POLLIN|POLLPRI|POLLOUT, 0 };
close (42);
int poll_test = poll (&poll_struct, 1, 0);
if (poll_test < 0)
{
exit(0);
}
else if (poll_test == 0 && poll_struct.revents != POLLNVAL)
{
exit(0);
}
else
{
exit(1);
}
}
_ACEOF
rm -f conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_broken_poll=yes
else
echo "$as_me: program exited with status $ac_status" >&5
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
ac_cv_broken_poll=no
fi
rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: $ac_cv_broken_poll" >&5
echo "${ECHO_T}$ac_cv_broken_poll" >&6
if test "$ac_cv_broken_poll" = yes
then
cat >>confdefs.h <<\_ACEOF
#define HAVE_BROKEN_POLL 1
_ACEOF
fi
# tzset(3) exists and works like we expect it to
echo "$as_me:$LINENO: checking for working tzset()" >&5
echo $ECHO_N "checking for working tzset()... $ECHO_C" >&6