Andy Dougherty wrote on 02/27/2013 09:25:31 AM:
> > > Getting to the compile, I get roughly 1500 of these CCN4108
> > > informationals for every time __attribute__ is seen when
> compiling a file:
> > >
> > > INFORMATIONAL CCN4108 ./proto.h:4534 The use of keyword
> > > '__attribute__' is non-portable.
> > >
> > >
> > > If we are comfortable with this issue, then adding ,SUPPRESS
(CCN4108)
> > > will quite the compiler down. Of course the parens have to be
inside
> > > double quotes to keep the shell happy, so ccflags in hints/os390.sh
> > > would become:
> > >
> > > ccflags="$ccflags -W 0,float(ieee),SUPPRESS(CCN4108)"
> >
> > I wonder if your compiler understands __attribute__. I think it must,
but
> > someone who knows Configuration should comment on this and using fgrep.
>
> I think some compilers will accept __attribute__ but not actually do
> anything useful with it.
>
> If this compiler actually uses attributes, then we want to suppress the
> warning, as suggested. If it doesn't use them, then it's probably more
> sensible to change the Configure test to detect this "INFORMATIONAL"
> output. That's not too hard, and I can do it if we learn that the
> attributes are useless here anyway.
The z/OS compiler sometime emits INFORMATIONAL messages like this unless a
certain LANGLVL option is supplied. Problem is I cannot find it at this
moment. Will keep digging.
The z/OS C compiler compiler supports the attribute keyword, but in a
limited manner. It looks like it is going to ignore most all of the
attributes used in the Perl code. He are links for the 3 types of
attributes the compiler supports.
Function attributes:
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/cbclr1b0/8.6?SHELF=CBCBS1D0&DT=20110613040946
Type attributes:
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/cbclr1b0/3.7?SHELF=CBCBS1D0&DT=20110613040946
Variable attributes:
http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/cbclr1b0/4.8?SHELF=CBCBS1D0&DT=20110613040946
John Goodyear
