1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
dnl
dnl Subshell support.
dnl
AC_DEFUN([mc_SUBSHELL], [
AC_MSG_CHECKING([for subshell support])
AC_ARG_WITH(subshell,
[ --with-subshell Compile in concurrent subshell @<:@yes@:>@
--with-subshell=optional Don't run concurrent shell by default @<:@no@:>@],
[
result=no
if test x$withval = xoptional; then
AC_DEFINE(SUBSHELL_OPTIONAL, 1, [Define to make subshell support optional])
result="optional"
fi
if test x$withval = xyes; then
result="yes"
fi
],
[
dnl Default: enable the subshell support
result="yes"
])
if test "x$result" != xno; then
AC_DEFINE(ENABLE_SUBSHELL, 1, [Define to enable subshell support])
dnl openpty() can simplify opening of master/slave devices for subshell
AC_CHECK_HEADERS([pty.h libutil.h util.h])
AC_CHECK_FUNCS(openpty,,
AC_CHECK_LIB(util,openpty,
[AC_DEFINE(HAVE_OPENPTY)
LIBS="$LIBS -lutil"]
)
)
fi
AC_MSG_RESULT([$result])
subshell="$result"
AM_CONDITIONAL(ENABLE_SUBSHELL, [test "x$result" != xno])
])
|
