Hi everybody,
I've already sent this message
to [email protected] but I do not
know if the lists are the same. So, sorry if it commes twice:)
I'm trying to extend JBlueZ, which links BlueZ and java,
in order to
make it JSR82 compatible (Java Bluetooth Spetification).
BlueZ uses sdp_record_t structures to store the
list of all service attributes
and I'm trying to modify it in order
to get some Java Objects (with JNI) instead.
To do this, I want to re-implement
the "sdp_service_search_attr_req" function.
But the project do not compile because some
sdp fucntions cannot not be linked.
I'm getting the following error message:
/tmp/ccvRmUPO.o(.text+0x158e): In
function`my_sdp_service_search_attr_req(sdp_session_t*, _sdp_list
const*, sdp_attrreq_type_t, _sdp_list const*, _sdp_list**):
undefined reference
to `sdp_send_req_w4_rsp(sdp_session_t*, char*,char*, int, int*)
The function my_sdp_service_search_attr_req has EXACTLY
the same implementation
as the official function
sdp_service_search_attr_req. (I aim to change it but I
first want to understand how it works).
I use the following gcc command (java headers for JNI
+/home/julien/bluez/include
to get the "sdp_internal.h" header):
gcc -I /home/java/include -I /home/java/include/linux
-I/home/julien/bluez/include
BlueZ.cpp -o ../bin/jbluez -lsdp-lbluetooth -lstdc++
The undefined function can be found into
the installed bluetooth library:
nm --dynamic /usr/lib/libsdp.so.2 | grep sdp_send
00002080 T sdp_send_req
000021c0 T sdp_send_req_w4_rsp
I use debian (Knoppix 3.1 with kernel 2.4.20: I know its an old one),
libsdp
1-5-2, libbluetooth 2-5-1, gcc 3.3 (Debian).
I've tried to compile the project on three different
machines (2 Knoppix with
different kernels and a Suse) and the problem remains.
The same problem occurs with following sdp functions:
sdp_extract_seqtype,
sdp_extract_pdu,
sdp_gen_pdu.
Does anybody have an idea?
Thank you for your help.
Julien Campana
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