diff options
Diffstat (limited to 'src/external/libnl.m4')
-rw-r--r-- | src/external/libnl.m4 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/external/libnl.m4 b/src/external/libnl.m4 new file mode 100644 index 000000000..ed8f95b63 --- /dev/null +++ b/src/external/libnl.m4 @@ -0,0 +1,36 @@ +dnl A macro to check the availability and version of libnetlink +AC_DEFUN([AM_CHECK_LIBNL], +[ + PKG_CHECK_MODULES(libnl, libnl-1) + + AC_CHECK_HEADERS(netlink.h) + AC_CHECK_LIB(nl, nl_connect, [ LIBNL_LIBS="-lnl" ], [AC_MSG_ERROR([libnl is required])]) + + AC_CHECK_LIB([nl], + [nl_handle_get_fd], + [AC_DEFINE([HAVE_LIBNL_OLDER_THAN_1_1], 1, [Does libnl have pre-1.1 API?]) + ], + ) + + dnl Check if this particular version of libnl supports particular functions + AC_CHECK_LIB([nl], + [nl_socket_add_membership], + [AC_DEFINE([HAVE_NL_SOCKET_ADD_MEMBERSHIP], 1, [Does libnl have nl_socket_add_membership?]) + ], + ) + + AC_CHECK_LIB([nl], + [nl_socket_modify_cb], + [AC_DEFINE([HAVE_NL_SOCKET_MODIFY_CB], 1, [Does libnl have nl_socket_modify_cb?]) + ], + ) + + AC_CHECK_LIB([nl], + [nl_set_passcred], + [AC_DEFINE([HAVE_NL_SET_PASSCRED], 1, [Does libnl have nl_set_passcred?]) + ], + ) + + AC_SUBST(LIBNL_CFLAGS) + AC_SUBST(LIBNL_LIBS) +]) |