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-rw-r--r--configure.ac5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index c57811cf..796aa21b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -48,6 +48,11 @@ AC_ARG_ENABLE(pie, AC_HELP_STRING([--enable-pie],
AC_ARG_ENABLE(threads, AC_HELP_STRING([--enable-threads],
[enable threading support]), [enable_threads=${enableval}])
+AC_ARG_ENABLE(isi, AC_HELP_STRING([--disable-isi],
+ [disable PhoNet/ISI protocol support]), [enable_isi=${enableval}])
+
+AM_CONDITIONAL(WANT_ISI, test "${enable_isi}" != "no")
+
AC_CHECK_LIB(dl, dlopen, dummy=yes,
AC_MSG_ERROR(dynamic linking loader is required))