-nanosleep_needs_rt="no"
-AC_CHECK_FUNCS(nanosleep, [],
- AC_CHECK_LIB(rt, nanosleep,
- [nanosleep_needs_rt="yes"],
- AC_MSG_ERROR(cannot find nanosleep)))
-AM_CONDITIONAL(BUILD_WITH_LIBRT, test "x$nanosleep_needs_rt" = "xyes")
+# Under Solaris, the `xnet' library provides `recvmsg' which complies with the
+# X/Open CAE Specification.
+with_libxnet="no"
+AC_CHECK_LIB(xnet, __xnet_recvmsg, [with_libxnet="yes"],[])
+if test "x$with_libxnet" = "xyes"
+then
+ CPPFLAGS="$CPPFLAGS -D_XPG4_2 -D__EXTENSIONS__"
+fi
+if test "x$with_libxnet" = "xyes"; then
+ LIBOPING_PC_LIBS_PRIVATE="${LIBOPING_PC_LIBS_PRIVATE} -lxnet"
+fi
+
+AC_SUBST(LIBOPING_PC_LIBS_PRIVATE)
+
+AC_SEARCH_LIBS([nanosleep],[rt],[],
+ [AC_MSG_ERROR([cannot find nanosleep])])
+
+AC_ARG_WITH(ncurses, AS_HELP_STRING([--with-ncurses], [Build oping CLI tool with ncurses support]))
+AS_IF([test "x$with_ncurses" != "xno"], [
+ can_build_with_ncurses="no"
+ PKG_CHECK_MODULES([NCURSES], [ncursesw], [can_build_with_ncurses=yes], [
+ PKG_CHECK_MODULES([NCURSES], [ncurses], [can_build_with_ncurses=yes], [
+ AC_CHECK_LIB(ncursesw, mvwprintw, [NCURSES_LIBS="-lncursesw"; can_build_with_ncurses=yes], [
+ AC_CHECK_LIB(ncurses, mvwprintw, [NCURSES_LIBS="-lncurses"; can_build_with_ncurses=yes])
+ ])
+ ])
+ ])
+
+ AS_IF([test "x$can_build_with_ncurses" = "xyes"], [
+ AC_CHECK_HEADERS([ncursesw/curses.h ncursesw.h ncurses/curses.h ncurses.h], [can_build_with_ncurses=yes; break;], [can_build_with_ncurses=no])
+ ])
+
+ AS_IF([test "x$can_build_with_ncurses" = "xno" && test "x$with_ncurses" = "xyes"], [
+ AC_MSG_ERROR([ncurses not found but explicit enabled])
+ ],
+ [test "x$can_build_with_ncurses" = "xno"], [
+ AC_MSG_WARN([Will not build oping with ncurses support -- no suiteable ncurses installation found])
+ ])
+])
+
+AM_CONDITIONAL(BUILD_WITH_LIBNCURSES, test "x$with_ncurses" != "xno" && test "x$can_build_with_ncurses" = "xyes")
+
+AC_FUNC_STRERROR_R