[asterisk-bugs] [JIRA] (ASTERISK-29817) gethostbyname_r is misdetected on NetBSD and causes a build failure

[Michał Górny (JIRA)]

Michał Górny created ASTERISK-29817:
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             Summary: gethostbyname_r is misdetected on NetBSD and causes a build failure
                 Key: ASTERISK-29817
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29817
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/BuildSystem
    Affects Versions: GIT
         Environment: NetBSD 9.2 (amd64)
            Reporter: Michał Górny


Building Asterisk on NetBSD currently fails as {{gethostbyname_r}} is incorrectly detected as being present:

{code}
utils.c: In function 'ast_gethostbyname':
utils.c:234:11: warning: implicit declaration of function 'gethostbyname_r'; did you mean 'gethostbyname2'? [-Wimplicit-function-declaration]
  result = gethostbyname_r(host, &hp->hp, hp->buf, sizeof(hp->buf), &herrno);
           ^~~~~~~~~~~~~~~
           gethostbyname2
utils.c:234:9: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
  result = gethostbyname_r(host, &hp->hp, hp->buf, sizeof(hp->buf), &herrno);
         ^
{code}

On NetBSD, {{gethostbyname_r}} is an internal libc symbol that is not exposed in system headers and that is incompatible with other implementations.



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