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darwin: Don't use poll() when expected to run on darwin10 and prior 

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
This commit is contained in:
Jeremy Huddleston 2011-03-04 12:41:55 -08:00
parent c2e0236462
commit 8c3325f8bb
1 changed files with 17 additions and 2 deletions
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19
configure.ac
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@ -131,8 +131,23 @@ AC_PREREQ([2.59c], [], [AC_SUBST([htmldir], [m4_ifset([AC_PACKAGE_TARNAME],
XCB_CHECK_DOXYGEN()
case $host_os in
# darwin has poll() but can't be used to poll character devices (atleast through SnowLeopard)
darwin*) ;;
# darwin through Snow Leopard has poll() but can't be used to poll character devices.
darwin@<:@789@:>@*|darwin10*) ;;
darwin*)
_ac_xorg_macosx_version_min=""
if echo $CPPFLAGS $CFLAGS | grep -q mmacosx-version-min ; then
_ac_xorg_macosx_version_min=`echo $CPPFLAGS $CFLAGS | sed 's/^.*-mmacosx-version-min=\(@<:@^ @:>@*\).*$/\1/'`
else
_ac_xorg_macosx_version_min=$MACOSX_DEPLOYMENT_TARGET
fi
case $_ac_xorg_macosx_version_min in
10.@<:@0123456@:>@|10.@<:@0123456@:>@.*) ;;
*)
AC_CHECK_FUNC(poll, [AC_DEFINE(USE_POLL, 1, [poll() function is available])], )
;;
esac
unset _ac_xorg_macosx_version_min
;;
*)
AC_CHECK_FUNC(poll, [AC_DEFINE(USE_POLL, 1, [poll() function is available])], )
;;