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Diffstat (limited to '')
| -rw-r--r-- | m4.include/mc-subshell.m4 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/m4.include/mc-subshell.m4 b/m4.include/mc-subshell.m4 new file mode 100644 index 0000000..9f6734c --- /dev/null +++ b/m4.include/mc-subshell.m4 @@ -0,0 +1,50 @@ +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@:>@], + [ + case "x$withval" in + xyes) + result="yes" + ;; + xoptional) + result="optional" + ;; + *) + result="no" + ;; + esac + ], + [ + dnl Default: enable the subshell support + result="yes" + ]) + + AC_MSG_RESULT([$result]) + + 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"] + ) + ) + + if test "x$result" = xoptional; then + AC_DEFINE(SUBSHELL_OPTIONAL, 1, [Define to make subshell support optional]) + fi + fi + + subshell="$result" + + AM_CONDITIONAL(ENABLE_SUBSHELL, [test "x$result" != xno]) +]) |