Re: Sun RPC support not detected in glibc-2.26 or later, build fails

On Wednesday, 13 February 2019 at 10:21, Mike Aubury wrote:
> Sorry - assumed the "..." was a break in the ./configure output

Well, that's my fault. I only pasted the log parts I thought were
relevant, using ... as an indicator of the parts I cut. Sorry.

> I'm not sure adding tirpc would help
> Its failing with a missing definition for "u_int32"
> will be defined in a header file - so its missing something to pull in that
> typedef in there.

Well, I was under the impression it came from the fallback
implementation of RPC included in aubit4gl, so my thinking was that
using system headers should work. I admit I haven't checked the code in
detail. Have you tried building aubit4gl on a modern Linux distribution?

> I didnt write the configure script (guy who did is long gone) - in there -
> it says :
> 
> AC_ARG_WITH(rpc,
> [  --with-rpc[=DIR]          Include RPC support.  DIR is the RPC base
>                           install directory, defaults to /usr/local.],
> [
> ...
>                LDFLAGS="$LDFLAGS $TEST_I_FLAGS $TEST_L_FLAGS"
>                 # FIXME: Replace `main' with a function in `-lrpclib':
>                 AC_CHECK_LIB([rpclib], [main])
>                 AC_CHECK_LIB([rpcsvc], [main])
> 
>                 if test "$ac_cv_lib_rpcsvc_main" = "yes"; then
>                         #seems rpc library is rpcsvc on aix and
> sparc-sun-solaris2.7
>                         #which defines a bunch of symbols starting 'xdr_'
> 
>                         AC_CHECK_LIB(rpcsvc, svctcp_create
> ,AC_DEFINE(HAVE_RPCSVC,1,[ ]))
> 
>                         AC_MSG_CHECKING(library containing RPC functions)
>                         if test "$ac_cv_lib_rpcsvc___rpc_thread_svc_fdset"
> = "yes" || test "$ac_cv_lib_rpcsvc_svctcp_create_" = "yes" || test
> "$ac_cv_lib_rpcsvc_xdr_argument_" = "yes"; then
>                                 AC_MSG_RESULT(-lrpcsvc)
>                     RPCLIB_NAME=-lrpcsvc
> ...
> 
> Do we need to add the tirpc as a lib to check in that portion of the code ?

Yes, that's the idea. Regardless of why the compilation is failing, the
current official RPC implementation should be detected. I'm not an
autotools expert myself, so I'm not sure where the best place to put the
detection code would be. Certainly, the assumption that RPC is provided
by glibc is false for glibc-2.26+.

Regards,
Dominik
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