[lwip-devel] apps/mdns build warnings in current git tree

[Axel Lin]

cc -g -Wall -DLWIP_DEBUG -pedantic -Werror -Wparentheses
-Wsequence-point -Wswitch-default -Wextra -Wundef -Wshadow
-Wpointer-arith -Wcast-qual -Wc++-compat -Wwrite-strings
-Wold-style-definition -Wcast-align -Wmissing-prototypes
-Wredundant-decls -Wnested-externs -Wunreachable-code -Wuninitialized
-Wlogical-op -I. -I../../.. -I../../../../lwip/src/include
-I../../../ports/unix/port/include -I../../../../mbedtls/include
-Wno-redundant-decls -DLWIP_HAVE_MBEDTLS=1 -c
../../../../lwip/src/apps/mdns/mdns.c
../../../../lwip/src/apps/mdns/mdns.c: In function ‘mdns_async_send_outpacket’:
../../../../lwip/src/apps/mdns/mdns.c:1295:20: error: variable
‘mcast_destaddr’ set but not used [-Werror=unused-but-set-variable]
   const ip_addr_t *mcast_destaddr;
                    ^~~~~~~~~~~~~~
../../../../lwip/src/apps/mdns/mdns.c: In function ‘mdns_send_outpacket’:
../../../../lwip/src/apps/mdns/mdns.c:1511:20: error: request for
implicit conversion from ‘void *’ to ‘struct mdns_async_outpacket *’
not permitted in C++ [-Werror=c++-compat]
       async_outpkt = mem_malloc(sizeof(struct mdns_async_outpacket));
                    ^
cc1: all warnings being treated as errors
/home/axel/git/lwip/lwip-contrib/ports/unix/../Common.allports.mk:94:
recipe for target 'mdns.o' failed
make: *** [mdns.o] Error 1