src/nix/main.cc:38:25: error: 'sockaddr_in' was not declared in this scope

[ghost]

Hi,

I'm working on packaging nix for pkgsrc, and I'm building on NetBSD 9.99.17 (which I realize is unsupported, but will eventually work on porting nix).

The build fails with this:

c++ -std=c++17 -o src/nix/main.o -c src/nix/main.cc -g -Wall -include config.h -fPIC -g -I . -I src -I src/libutil -I src/libstore -I src/libmain -I src/libexpr -I src/nix  -I/usr/pkg/include -I/usr/pkg/include /usr/pkg/include -I/usr/pkg/include /usr/include -I/usr/pkg/include -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/sodium -I/usr/include/krb5  -MMD -MF src/nix/.main.o.dep -MP
In file included from /usr/include/stdlib.h:37,
                 from /usr/include/g++/cstdlib:75,
                 from /usr/include/g++/bits/stl_algo.h:59,
                 from /usr/include/g++/algorithm:62,
                 from src/nix/main.cc:1:
src/nix/main.cc: In function 'bool nix::haveInternet()':
src/nix/main.cc:38:25: error: 'sockaddr_in' was not declared in this scope
             if (ntohl(((sockaddr_in *) i->ifa_addr)->sin_addr.s_addr) != INADDR_LOOPBACK) {
                         ^~~~~~~~~~~
src/nix/main.cc:38:25: note: suggested alternative: 'sockaddr'
src/nix/main.cc:38:38: error: expected primary-expression before ')' token
             if (ntohl(((sockaddr_in *) i->ifa_addr)->sin_addr.s_addr) != INADDR_LOOPBACK) {
                                      ^
src/nix/main.cc:38:40: error: expected ')' before 'i'
             if (ntohl(((sockaddr_in *) i->ifa_addr)->sin_addr.s_addr) != INADDR_LOOPBACK) {
                       ~                ^
src/nix/main.cc:40:14: error: expected ')' before '}' token
             }
              ^
              )
         } else if (i->ifa_addr->sa_family == AF_INET6) {
         ~     
In file included from /usr/include/stdlib.h:37,
                 from /usr/include/g++/cstdlib:75,
                 from /usr/include/g++/bits/stl_algo.h:59,
                 from /usr/include/g++/algorithm:62,
                 from src/nix/main.cc:1:
src/nix/main.cc:38:17: note: to match this '('
             if (ntohl(((sockaddr_in *) i->ifa_addr)->sin_addr.s_addr) != INADDR_LOOPBACK) {
                 ^~~~~
src/nix/main.cc:40:14: error: expected ')' before '}' token
             }
              ^
              )
         } else if (i->ifa_addr->sa_family == AF_INET6) {
         ~     
src/nix/main.cc:40:14: error: expected ')' before '}' token
             }
              ^
              )
         } else if (i->ifa_addr->sa_family == AF_INET6) {
         ~     
In file included from /usr/include/stdlib.h:37,
                 from /usr/include/g++/cstdlib:75,
                 from /usr/include/g++/bits/stl_algo.h:59,
                 from /usr/include/g++/algorithm:62,
                 from src/nix/main.cc:1:
src/nix/main.cc:38:17: note: to match this '('
             if (ntohl(((sockaddr_in *) i->ifa_addr)->sin_addr.s_addr) != INADDR_LOOPBACK) {
                 ^~~~~
src/nix/main.cc:40:14: error: expected ')' before '}' token
             }
              ^
              )
         } else if (i->ifa_addr->sa_family == AF_INET6) {
         ~     
src/nix/main.cc:40:14: error: expected ')' before '}' token
             }
              ^
              )
         } else if (i->ifa_addr->sa_family == AF_INET6) {
         ~     
src/nix/main.cc:38:16: note: to match this '('
             if (ntohl(((sockaddr_in *) i->ifa_addr)->sin_addr.s_addr) != INADDR_LOOPBACK) {
                ^
src/nix/main.cc:41:9: error: expected primary-expression before '}' token
         } else if (i->ifa_addr->sa_family == AF_INET6) {
         ^
src/nix/main.cc:42:42: error: 'sockaddr_in6' was not declared in this scope
             if (!IN6_IS_ADDR_LOOPBACK(&((sockaddr_in6 *) i->ifa_addr)->sin6_addr) &&
                                          ^~~~~~~~~~~~
src/nix/main.cc:42:42: note: suggested alternative: 'sockaddr'
             if (!IN6_IS_ADDR_LOOPBACK(&((sockaddr_in6 *) i->ifa_addr)->sin6_addr) &&
                                          ^~~~~~~~~~~~
                                          sockaddr
src/nix/main.cc:42:56: error: expected primary-expression before ')' token
             if (!IN6_IS_ADDR_LOOPBACK(&((sockaddr_in6 *) i->ifa_addr)->sin6_addr) &&
                                                        ^
src/nix/main.cc:42:57: error: expected ')' before 'i'
             if (!IN6_IS_ADDR_LOOPBACK(&((sockaddr_in6 *) i->ifa_addr)->sin6_addr) &&
                                        ~                ^~
                                                         )
src/nix/main.cc:44:28: error: expected ')' before ';' token
                 return true;
                            ^
                            )
src/nix/main.cc:42:16: note: to match this '('
             if (!IN6_IS_ADDR_LOOPBACK(&((sockaddr_in6 *) i->ifa_addr)->sin6_addr) &&
                ^
gmake: *** [mk/patterns.mk:3: src/nix/main.o] Error 1
gmake: *** Waiting for unfinished jobs....
g++: warning: /usr/pkg/include: linker input file unused because linking not done
g++: warning: /usr/include: linker input file unused because linking not done
In file included from /usr/include/g++/cassert:44,
                 from src/libutil/json.hh:5,
                 from src/nix/ls.cc:6:
src/libutil/json.hh: In destructor 'nix::JSONPlaceholder::~JSONPlaceholder()':
src/libutil/json.hh:173:31: warning: 'bool std::uncaught_exception()' is deprecated [-Wdeprecated-declarations]
         assert(!first || std::uncaught_exception());
                               ^~~~~~~~~~~~~~~~~~
In file included from /usr/include/g++/ios:39,
                 from /usr/include/g++/ostream:38,
                 from /usr/include/g++/iostream:39,
                 from src/libutil/args.hh:3,
                 from src/nix/command.hh:3,
                 from src/nix/ls.cc:1:
/usr/include/g++/exception:102:8: note: declared here
   bool uncaught_exception() _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));
        ^~~~~~~~~~~~~~~~~~
In file included from /usr/include/g++/cassert:44,
                 from src/libutil/json.hh:5,
                 from src/nix/ls.cc:6:
src/libutil/json.hh:173:50: warning: 'bool std::uncaught_exception()' is deprecated [-Wdeprecated-declarations]
         assert(!first || std::uncaught_exception());
                                                  ^
In file included from /usr/include/g++/ios:39,
                 from /usr/include/g++/ostream:38,
                 from /usr/include/g++/iostream:39,
                 from src/libutil/args.hh:3,
                 from src/nix/command.hh:3,
                 from src/nix/ls.cc:1:
/usr/include/g++/exception:102:8: note: declared here
   bool uncaught_exception() _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));
        ^~~~~~~~~~~~~~~~~~
In file included from /usr/include/g++/cassert:44,
                 from src/libutil/json.hh:5,
                 from src/nix/ls.cc:6:
src/libutil/json.hh:173:50: warning: 'bool std::uncaught_exception()' is deprecated [-Wdeprecated-declarations]
         assert(!first || std::uncaught_exception());
                                                  ^
In file included from /usr/include/g++/ios:39,
                 from /usr/include/g++/ostream:38,
                 from /usr/include/g++/iostream:39,
                 from src/libutil/args.hh:3,
                 from src/nix/command.hh:3,
                 from src/nix/ls.cc:1:
/usr/include/g++/exception:102:8: note: declared here
   bool uncaught_exception() _GLIBCXX_USE_NOEXCEPT __attribute__ ((__pure__));
        ^~~~~~~~~~~~~~~~~~
g++: warning: /usr/pkg/include: linker input file unused because linking not done
g++: warning: /usr/include: linker input file unused because linking not done
g++: warning: /usr/pkg/include: linker input file unused because linking not done
g++: warning: /usr/include: linker input file unused because linking not done
*** Error code 2

Stop.
make[1]: stopped in /usr/pkgsrc/wip/nix
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/wip/nix