+PKG_CHECK_MODULES([libsigrok], [libsigrok >= 0.2.0],
+ [have_libsigrok="yes";
+ LIBSIGROK_CFLAGS="$libsigrok_CFLAGS";
+ LIBSIGROK_LIBS="$libsigrok_LIBS"],
+ [have_libsigrok="no"])
+AM_CONDITIONAL(HAVE_LIBSIGROK, test x"$have_libsigrok" = "xyes")
+AC_SUBST([LIBSIGROK_CFLAGS])
+AC_SUBST([LIBSIGROK_LIBS])
+