opensips-1.10.3-1.fc22 fails to build in F22 with GCC 5.0:

Compiling stats_funcs.c
gcc -fPIC -DPIC -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -m64 -mtune=generic -Wcast-align -DMOD_NAME='"statistics"'  -DPKG_MALLOC  -DSHM_MEM  -DSHM_MMAP  -DUSE_IPV6  -DUSE_MCAST  -DDISABLE_NAGLE  -DSTATISTICS  -DCHANGEABLE_DEBUG_LEVEL  -DHAVE_RESOLV_RES  -DF_MALLOC  -DUSE_TCP   -DNAME='"opensips"' -DVERSION='"1.10.3-tls"' -DARCH='"x86_64"' -DOS='"linux"' -DCOMPILER='"gcc 5.0.0"' -D__CPU_x86_64 -D__OS_linux -D__SMP_yes -DCFG_DIR='"/etc/opensips/"'  -DUSE_TLS -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024  -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD -DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM -DHAVE_EPOLL -DHAVE_SIGIO_RT -DHAVE_SELECT -I/usr/ssl/include -I/usr/include -I/usr/include/openssl -c stats_funcs.c -o stats_funcs.o
In file included from cfg.y:108:0:
db/db_insertq.h:95:13: warning: inline function 'cleanup_rows' declared but never defined
 inline void cleanup_rows(db_val_t **rows);
             ^
In file included from cfg.y:108:0:
db/db_insertq.h:69:12: warning: inline function 'ql_flush_rows' declared but never defined
 inline int ql_flush_rows(db_func_t *dbf,db_con_t *conn,query_list_t *entry);
            ^
db/db_insertq.h:66:12: warning: inline function 'con_set_inslist' declared but never defined
 inline int con_set_inslist(db_func_t *dbf,db_con_t *con,query_list_t **list,
            ^
In file included from cfg.y:99:0:
socket_info.h:59:1: warning: inline function 'new_sock_info' declared but never defined
 new_sock_info(char* name, unsigned short port, unsigned short proto,
 ^
[...]
cfg.tab.o: In function `yyparse':
/builddir/build/BUILD/opensips-1.10.3-tls/cfg.y:1164: undefined reference to `new_sock_info'
collect2: error: ld returned 1 exit status
make: *** [opensips] Error 1
Makefile.rules:35: recipe for target 'opensips' failed

Difference between working and failing build root:

        libgcc 	4.9.2-5.fc22 	> 	5.0.0-0.7.fc22
	libstdc++ 	4.9.2-5.fc22 	> 	5.0.0-0.7.fc22
	libtool-ltdl 	2.4.2-31.fc22 	> 	2.4.2-32.fc22
	cpp 	4.9.2-5.fc22 	> 	5.0.0-0.7.fc22
	isl 		> 	0.14-3.fc22
	gcc 	4.9.2-5.fc22 	> 	5.0.0-0.7.fc22
	gcc-c++ 	4.9.2-5.fc22 	> 	5.0.0-0.7.fc22
	libstdc++-devel 	4.9.2-5.fc22 	> 	5.0.0-0.7.fc22
	libgomp 	4.9.2-5.fc22 	> 	5.0.0-0.7.fc22