src: implement both GCC visibility support and export script

Read "How to write shared libraries" from Ulrich Drepper for more
information on this patch. Specifically section 2.2: Export control
and section 3: Maintaining APIs and ABIs.

Signed-off-by: Cristian Rodríguez <cristian.rodriguez@opensuse.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 58 insertions, 0 deletions

diff --git a/src/libmnl.map b/src/libmnl.map
new file mode 100644
index 0000000..804aa0e
--- /dev/null
+++ b/src/libmnl.map
@@ -0,0 +1,58 @@
+LIBMNL_1.0 {
+global:
+  mnl_attr_get_len;
+  mnl_attr_get_payload;
+  mnl_attr_get_payload_len;
+  mnl_attr_get_str;
+  mnl_attr_get_type;
+  mnl_attr_get_u16;
+  mnl_attr_get_u32;
+  mnl_attr_get_u64;
+  mnl_attr_get_u8;
+  mnl_attr_nest_end;
+  mnl_attr_nest_start;
+  mnl_attr_next;
+  mnl_attr_ok;
+  mnl_attr_parse;
+  mnl_attr_parse_nested;
+  mnl_attr_put;
+  mnl_attr_put_str;
+  mnl_attr_put_strz;
+  mnl_attr_put_u16;
+  mnl_attr_put_u32;
+  mnl_attr_put_u64;
+  mnl_attr_put_u8;
+  mnl_attr_type_valid;
+  mnl_attr_validate;
+  mnl_attr_validate2;
+  mnl_cb_run;
+  mnl_cb_run2;
+  mnl_nlmsg_fprintf;
+  mnl_nlmsg_get_payload;
+  mnl_nlmsg_get_payload_len;
+  mnl_nlmsg_get_payload_offset;
+  mnl_nlmsg_get_payload_tail;
+  mnl_nlmsg_next;
+  mnl_nlmsg_ok;
+  mnl_nlmsg_portid_ok;
+  mnl_nlmsg_put_extra_header;
+  mnl_nlmsg_put_header;
+  mnl_nlmsg_seq_ok;
+  mnl_nlmsg_size;
+  mnl_nlmsg_total_size;
+  mnl_socket_bind;
+  mnl_socket_close;
+  mnl_socket_get_fd;
+  mnl_socket_get_portid;
+  mnl_socket_getsockopt;
+  mnl_socket_open;
+  mnl_socket_recvfrom;
+  mnl_socket_sendto;
+  mnl_socket_setsockopt;
+
+local: *;
+};
+
+#LIBMNL_1.1 {
+#  mnl_my_new_func;
+#} LIBMNL_1.0;