mirror of https://github.com/MidnightCommander/mc
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
dnl
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dnl Subshell support.
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dnl
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AC_DEFUN([mc_SUBSHELL], [
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AC_MSG_CHECKING([for subshell support])
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AC_ARG_WITH(subshell,
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[ --with-subshell Compile in concurrent subshell @<:@yes@:>@
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--with-subshell=optional Don't run concurrent shell by default @<:@no@:>@],
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[
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case "x$withval" in
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xyes)
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result="yes"
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;;
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xoptional)
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result="optional"
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;;
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*)
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result="no"
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;;
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esac
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],
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[
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dnl Default: enable the subshell support
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result="yes"
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])
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AC_MSG_RESULT([$result])
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if test "x$result" != xno; then
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AC_DEFINE(ENABLE_SUBSHELL, 1, [Define to enable subshell support])
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dnl openpty() can simplify opening of master/slave devices for subshell
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AC_CHECK_HEADERS([pty.h libutil.h util.h])
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AC_CHECK_FUNCS(openpty,,
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AC_CHECK_LIB(util,openpty,
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[AC_DEFINE(HAVE_OPENPTY)
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LIBS="$LIBS -lutil"]
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)
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)
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if test "x$result" = xoptional; then
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AC_DEFINE(SUBSHELL_OPTIONAL, 1, [Define to make subshell support optional])
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fi
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fi
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subshell="$result"
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AM_CONDITIONAL(ENABLE_SUBSHELL, [test "x$result" != xno])
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])
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