[kamailio/kamailio] build errors with GCC 10 (#2293) - sr-dev

21 Apr 2020

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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=957395

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 Package: src:kamailio
Version: 5.3.2-1
[..]
The package fails to build in a test rebuild on at least amd64 with
gcc-10/g++-10, but succeeds to build with gcc-9/g++-9. The
severity of this report will be raised before the bullseye release,
so nothing has to be done for the buster release.

The full build log can be found at:
http://people.debian.org/~doko/logs/gcc10-20200225/kamailio_5.3.2-1_unstabl…
The last lines of the build log are at the end of this report.

 ```
[...]
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’
specified bound depends on the length of the source argument [-Wstringop-overflow=]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core/cfg.tab.c: In function ‘yyparse’:
core/cfg.y:669:48: note: length computed here
  669 |     strncpy($$, $1, strlen($1)+1);
      |                                                ^                        
In file included from /usr/include/string.h:495,
                 from core/cfg.y:40:
In function ‘strncpy’,
    inlined from ‘yyparse’ at core/cfg.y:659:6:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’
specified bound depends on the length of the source argument [-Wstringop-overflow=]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core/cfg.tab.c: In function ‘yyparse’:
core/cfg.y:659:35: note: length computed here
  659 |      strncpy($$, tmp, strlen(tmp)+1);
      |                                   ^~~        
```
```
gcc -fPIC -DPIC -funroll-loops -Wcast-align -pthread -DKSR_PTHREAD_MUTEX_SHARED -Wall
-Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fdebug-prefix-map=/<<PKGBUILDDIR>>=.
-fstack-protector-strong -Wformat -Werror=format-security -DVERSION_NODATE  
-DNAME='"kamailio"' -DVERSION='"5.3.2"'
-DARCH='"x86_64"' -DOS='linux_'
-DOS_QUOTED='"linux"' -DCOMPILER='"gcc 0.0.1"'
-D__CPU_x86_64 -D__OS_linux -DVERSIONVAL=5003002
-DCFG_DIR='"/etc/kamailio/"'
-DSHARE_DIR='"/usr/share/kamailio/"'
-DRUN_DIR='"/var/run/kamailio/"' -DPKG_MALLOC -DSHM_MMAP -DDNS_IP_HACK
-DUSE_MCAST -DUSE_TCP -DDISABLE_NAGLE -DHAVE_RESOLV_RES -DUSE_DNS_CACHE -DUSE_DNS_FAILOVER
-DUSE_DST_BLACKLIST -DUSE_NAPTR -DWITH_XAVP -DMEM_JOIN_FREE -DF_MALLOC -DQ_MALLOC
-DTLSF_MALLOC -DDBG_SR_MEMORY -DUSE_TLS -DTLS_HOOKS -DUSE_CORE_STATS -DSTATISTICS
-DMALLOC_STATS -DUSE_SCTP -DFAST_LOCK -DADAPTIVE_WAIT -DADAPTIVE_WAIT_LOOPS=1024
-DCC_GCC_LIKE_ASM -DHAVE_GETHOSTBYNAME2 -DHAVE_UNION_SEMUN -DHAVE_SCHED_YIELD
-DHAVE_MSG_NOSIGNAL -DHAVE_MSGHDR_MSG_CONTROL -DHAVE_ALLOCA_H -DHAVE_TIMEGM
-DHAVE_SCHED_SETSCHEDULER -DHAVE_IP_MREQN -DUSE_RAW_SOCKS -DHAVE_EPOLL -DHAVE_SIGIO_RT
-DSIGINFO64_WORKARROUND -DUSE_FUTEX -DHAVE_SELECT  -DMOD_NAME='"corex"'
-c corex_rpc.c -o corex_rpc.o
gcc -shared  -Wl,-O2 -Wl,-E  -Wl,-z,relro -Wl,-z,now -pthread -rdynamic -ldl
-Wl,-Bsymbolic-functions corex_var.o corex_nio.o corex_mod.o corex_lib.o corex_rpc.o    
-o corex.so
/usr/bin/ld: corex_mod.o:./src/modules/corex/corex_nio.h:36: multiple definition of
`nio_min_msg_len'; corex_nio.o:./src/modules/corex/corex_nio.h:36: first defined
here
/usr/bin/ld: corex_mod.o:./src/modules/corex/corex_nio.h:39: multiple definition of
`nio_msg_avp_param'; corex_nio.o:./src/modules/corex/corex_nio.h:39: first defined
here
/usr/bin/ld: corex_mod.o:./src/modules/corex/corex_nio.h:41: multiple definition of
`nio_msg_avp_type'; corex_nio.o:./src/modules/corex/corex_nio.h:41: first defined
here
/usr/bin/ld: corex_mod.o:./src/modules/corex/corex_nio.h:40: multiple definition of
`nio_msg_avp_name'; corex_nio.o:./src/modules/corex/corex_nio.h:40: first defined
here
/usr/bin/ld: corex_mod.o:./src/modules/corex/corex_nio.h:37: multiple definition of
`nio_is_incoming'; corex_nio.o:./src/modules/corex/corex_nio.h:37: first defined
here
/usr/bin/ld: corex_mod.o:./src/modules/corex/corex_nio.h:35: multiple definition of
`nio_route_no'; corex_nio.o:./src/modules/corex/corex_nio.h:35: first defined here
collect2: error: ld returned 1 exit status
make[4]: *** [../../Makefile.rules:191: corex.so] Error 1
make[3]: *** [Makefile:513: modules] Error 1
make[3]: Leaving directory '/<<PKGBUILDDIR>>/src'
make[2]: *** [Makefile:34: all] Error 2
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
make[1]: *** [debian/rules:146: override_dh_auto_build] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:130: build] Error 2
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2
```

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