built as submodule but showing error

[anupam19]

Hi, I had copied contents of libcoap-fork to coap directory of tinydtls-coap and copied tinydtls-form folder contents to dtls folder. Now built them and finally did make for tinydtls-coap. But there are many errors I am seeing here.

[nforcen]

Hi, I think I have the same problem that anupam19, I have compiled well both CoAP and TinyDTLS separately. Examples in each folder work correctly. The problem is when I try to compile the main project.
I receive many errors, could you say me what they are due to? These are the errors I receive:
root@broker-VirtualBox:~/Escritorio/coap_DTLS/tinydtls-coap-master# make
cc -c -Wall -g -O0 -o coaps-client.o coaps-client.c -DDTLSv12 -DWITH_SHA256 -DWITH_POSIX
In file included from /usr/include/syslog.h:1:0,
from coap/debug.h:23,
from coap/coap.h:17,
from coaps-client.c:43:
dtls/debug.h:32:16: error: expected identifier before numeric constant
typedef enum { LOG_EMERG=0, LOG_ALERT, LOG_CRIT, LOG_WARN,
^
In file included from coaps-client.c:46:0:
dtls/debug.h:49:0: warning: "info" redefined [enabled by default]
#define info(...) dsrv_log(LOG_INFO, VA_ARGS)
^
In file included from coap/coap.h:17:0,
from coaps-client.c:43:
coap/debug.h:53:0: note: this is the location of the previous definition
#define info(...) coap_log(LOG_INFO, VA_ARGS)
^
In file included from coaps-client.c:46:0:
dtls/debug.h:50:0: warning: "warn" redefined [enabled by default]
#define warn(...) dsrv_log(LOG_WARN, VA_ARGS)
^
In file included from coap/coap.h:17:0,
from coaps-client.c:43:
coap/debug.h:54:0: note: this is the location of the previous definition
#define warn(...) coap_log(LOG_WARNING, VA_ARGS)
^
In file included from coaps-client.c:46:0:
dtls/debug.h:51:0: warning: "debug" redefined [enabled by default]
#define debug(...) dsrv_log(LOG_DEBUG, VA_ARGS)
^
In file included from coap/coap.h:17:0,
from coaps-client.c:43:
coap/debug.h:55:0: note: this is the location of the previous definition
#define debug(...) coap_log(LOG_DEBUG, VA_ARGS)
^
coaps-client.c: In function ‘read_from_peer’:
coaps-client.c:142:4: warning: pointer targets in passing argument 1 of ‘coap_read_from_buf’ differ in signedness [-Wpointer-sign]
return coap_read_from_buf(data, len, coap_ctx, &srcAddr);
^
In file included from coap/coap.h:22:0,
from coaps-client.c:43:
coap/net.h:351:5: note: expected ‘char ’ but argument is of type ‘uint8 *’
int coap_read_from_buf(char *buf, ssize_t bytes_read, coap_context_t *context, coap_address_t *src);
^
In file included from coaps-client.c:46:0:
coaps-client.c: In function ‘cmdline_content_type’:
dtls/debug.h:50:28: error: ‘LOG_WARN’ undeclared (first use in this function)
#define warn(...) dsrv_log(LOG_WARN, VA_ARGS)
^
coaps-client.c:754:2: note: in expansion of macro ‘warn’
warn("W: unknown content-type '%s'\n",arg);
^
dtls/debug.h:50:28: note: each undeclared identifier is reported only once for each function it appears in
#define warn(...) dsrv_log(LOG_WARN, VA_ARGS)
^
coaps-client.c:754:2: note: in expansion of macro ‘warn’
warn("W: unknown content-type '%s'\n",arg);
^
coaps-client.c: In function ‘main’:
coaps-client.c:1072:21: error: ‘LOG_WARN’ undeclared (first use in this function)
log_t log_level = LOG_WARN;
^
coaps-client.c:1079:18: warning: variable ‘tv’ set but not used [-Wunused-but-set-variable]
struct timeval tv, timeout;
^
coaps-client.c: At top level:
coaps-client.c:71:23: warning: ‘proxy_port’ defined but not used [-Wunused-variable]
static unsigned short proxy_port = COAP_DEFAULT_PORT;
^
make: ** [coaps-client.o] Error 1
I receive many compilation errors. Could you help me with this?

The error which appear are:
root@broker-VirtualBox:~/Escritorio/coap_DTLS/tinydtls-coap-master# make
cc -c -Wall -g -O0 -o coaps-client.o coaps-client.c -DDTLSv12 -DWITH_SHA256 -DWITH_POSIX
In file included from /usr/include/syslog.h:1:0,
from coap/debug.h:23,
from coap/coap.h:17,
from coaps-client.c:43:
dtls/debug.h:32:16: error: expected identifier before numeric constant
typedef enum { LOG_EMERG=0, LOG_ALERT, LOG_CRIT, LOG_WARN,
^
In file included from coaps-client.c:46:0:
dtls/debug.h:49:0: warning: "info" redefined [enabled by default]
#define info(...) dsrv_log(LOG_INFO, VA_ARGS)
^
In file included from coap/coap.h:17:0,
from coaps-client.c:43:
coap/debug.h:53:0: note: this is the location of the previous definition
#define info(...) coap_log(LOG_INFO, VA_ARGS)
^
In file included from coaps-client.c:46:0:
dtls/debug.h:50:0: warning: "warn" redefined [enabled by default]
#define warn(...) dsrv_log(LOG_WARN, VA_ARGS)
^
In file included from coap/coap.h:17:0,
from coaps-client.c:43:
coap/debug.h:54:0: note: this is the location of the previous definition
#define warn(...) coap_log(LOG_WARNING, VA_ARGS)
^
In file included from coaps-client.c:46:0:
dtls/debug.h:51:0: warning: "debug" redefined [enabled by default]
#define debug(...) dsrv_log(LOG_DEBUG, VA_ARGS)
^
In file included from coap/coap.h:17:0,
from coaps-client.c:43:
coap/debug.h:55:0: note: this is the location of the previous definition
#define debug(...) coap_log(LOG_DEBUG, VA_ARGS)
^
coaps-client.c: In function ‘read_from_peer’:
coaps-client.c:142:4: warning: pointer targets in passing argument 1 of ‘coap_read_from_buf’ differ in signedness [-Wpointer-sign]
return coap_read_from_buf(data, len, coap_ctx, &srcAddr);
^
In file included from coap/coap.h:22:0,
from coaps-client.c:43:
coap/net.h:351:5: note: expected ‘char ’ but argument is of type ‘uint8 *’
int coap_read_from_buf(char *buf, ssize_t bytes_read, coap_context_t *context, coap_address_t *src);
^
In file included from coaps-client.c:46:0:
coaps-client.c: In function ‘cmdline_content_type’:
dtls/debug.h:50:28: error: ‘LOG_WARN’ undeclared (first use in this function)
#define warn(...) dsrv_log(LOG_WARN, VA_ARGS)
^
coaps-client.c:754:2: note: in expansion of macro ‘warn’
warn("W: unknown content-type '%s'\n",arg);
^
dtls/debug.h:50:28: note: each undeclared identifier is reported only once for each function it appears in
#define warn(...) dsrv_log(LOG_WARN, VA_ARGS)
^
coaps-client.c:754:2: note: in expansion of macro ‘warn’
warn("W: unknown content-type '%s'\n",arg);
^
coaps-client.c: In function ‘main’:
coaps-client.c:1072:21: error: ‘LOG_WARN’ undeclared (first use in this function)
log_t log_level = LOG_WARN;
^
coaps-client.c:1079:18: warning: variable ‘tv’ set but not used [-Wunused-but-set-variable]
struct timeval tv, timeout;
^
coaps-client.c: At top level:
coaps-client.c:71:23: warning: ‘proxy_port’ defined but not used [-Wunused-variable]
static unsigned short proxy_port = COAP_DEFAULT_PORT;
^
make: ** [coaps-client.o] Error 1

[ashubhatt]

Found any solution?

[anupam19]

Nope

On 08-Sep-2016 12:01 PM, "ashubhatt" [email protected] wrote:

Found any solution?

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[thecodemaiden]

Thanks for posting the error messages.

It looks like the debug functions/enums in coap and dtls are colliding. I pushed up changes to the submodules and to coaps-client that should fix it. Can you update your code and try again?