libmemif: ubuntu 18.04 build fix

[vpp.git] / extras / libmemif / configure.ac

diff --git a/extras/libmemif/configure.ac b/extras/libmemif/configure.ac
index 323e113..dfe33cf 100644 (file)
--- a/extras/libmemif/configure.ac
+++ b/extras/libmemif/configure.ac
@@ -7,6 +7,8 @@ AC_PREFIX_DEFAULT([/usr])
 PKG_CHECK_MODULES([CHECK], [check], [HAVE_CHECK=1], [HAVE_CHECK=0])
 AM_CONDITIONAL([USE_CHECK],[test "$HAVE_CHECK" -eq 1])
 
+AC_CHECK_FUNC([memfd_create], [AC_DEFINE([HAVE_MEMFD_CREATE], [1], [Define if memfd exists])])
+
 AC_PROG_CC
 
 AC_OUTPUT([Makefile])