[Bug 645] Configure mis-identifies setresgid

[bugzilla-daemon at mindrot.org]

http://bugzilla.mindrot.org/show_bug.cgi?id=645

           Summary: Configure mis-identifies setresgid
           Product: Portable OpenSSH
           Version: -current
          Platform: ix86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Build system
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: tigerwolf at tigerden.com


Compiled on linux gcc 2.7.2.3, kernel 2.0.38  on i586.   Latest zlib and openssl
packages were in place.

Compile completes apparently successfully.  When logging in, the password is
accepted, the system MOTD is displayed; but then, the connection immediately
closes.

Errors in syslog show:
sshd[7319]: fatal: setresgid 100: Function not implemented

Configure says 'yes' to the check for setresgid and sets the define
HAVE_SETRESGID in config.h.

Commenting out the define seems to fix the problem.

I wos told by someone more knowlegeable than I that the setresgid function
wasn't implemented until later kernels, implying the test done by ./configure
dosen't properly yield the right answer.



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