1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
|
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
|
-
+
-
+
-
+
-
+
-
+
-
+
-
-
-
+
+
+
|
#if (!defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE) && \
(!defined(TARGET_OS_SIMULATOR) || !TARGET_OS_SIMULATOR)
egrep_cpp_yes
#endif
], [
AC_MSG_RESULT(yes)
have_processes="yes"
have_subprocesses="yes"
], [
AC_MSG_RESULT(no)
have_processes="no"
have_subprocesses="no"
])
;;
mingw*)
have_processes="yes"
have_subprocesses="yes"
;;
msdosdjgpp*)
have_processes="no"
have_subprocesses="no"
;;
*)
AC_HEADER_SYS_WAIT
AC_CHECK_FUNCS(kill)
AC_CHECK_FUNCS(posix_spawnp, [
AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
have_processes="yes"
have_subprocesses="yes"
AC_CHECK_HEADERS(spawn.h)
])
], [
AC_CHECK_FUNCS([vfork dup2 execvp _exit], [
AS_IF([test x"$ac_cv_func_vfork" = x"yes" \
-a x"$ac_cv_func_pipe" = x"yes" \
-a x"$ac_cv_func_dup2" = x"yes" \
-a x"$ac_cv_func_execvp" = x"yes" \
-a x"$ac_cv_func_kill" = x"yes" \
-a x"$ac_cv_func__exit" = x"yes"], [
have_processes="yes"
have_subprocesses="yes"
])
], [
break
])
])
;;
esac
AS_IF([test x"$have_processes" = x"yes"], [
AC_SUBST(OF_PROCESS_M, "OFProcess.m")
AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes])
AS_IF([test x"$have_subprocesses" = x"yes"], [
AC_SUBST(OF_SUBPROCESS_M, "OFSubprocess.m")
AC_DEFINE(OF_HAVE_SUBPROCESSES, 1, [Whether we have subprocesses])
])
AC_CHECK_HEADERS_ONCE([complex.h sys/ioctl.h sys/ttycom.h])
AC_CHECK_FUNCS(isatty)
AC_CHECK_FUNC(pledge, [
AC_DEFINE(OF_HAVE_PLEDGE, 1, [Whether we have pledge()])
|