Re: [PATCH] HP-UX does not have select.h

["H.Merijn Brand" <h.m.brand@xs4all.nl>]

On Mon, 17 Dec 2007 21:29:31 -0800, Junio C Hamano <gitster@pobox.com> wrote:

> "H.Merijn Brand" <h.m.brand@xs4all.nl> writes:
> 
> > On Mon, 17 Dec 2007 13:00:22 -0800, Junio C Hamano <gitster@pobox.com> wrote:
> >
> >> "H.Merijn Brand" <h.m.brand@xs4all.nl> writes:
> >> 
> >> > HP-UX does not have select.h, but it offers all select () functionality.
> >> > The defines are in <sys/types.h> and <X11/fd.h>
> >> 
> >> Will apply the patch as-is for now, only because I do not want major
> >> surgery during rc period, but I think is can be improved.
> > ...
> >> Besides, isn't _HPUX_SOURCE a feature-test macro?  Feature test macros
> >
> > That is defined in GNU gcc. I did not pass it with -D...
> 
> Actually I changed my mind.  I won't be applying this as is.
> 
> For the selective inclusion of <sys/select.h>, I would prefer it see it
> done like the attached.

So do I

> The main point is to limit the "platform" dependency to configure and
> Makefile, and keep #ifdef in the actual header files expressed in more
> generic terms (e.g. "do we need to (and can we) include sys/select.h
> here?").
> 
> I am fuzzy about the uname_S part, so I won't be applying the attached
> patch either; the attached is for demonstration purposes only.
> 
> diff --git a/Makefile b/Makefile
> index 617e5f5..f9f724a 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -100,6 +100,9 @@ all::
>  #
>  # Define NO_DEFLATE_BOUND if your zlib does not have deflateBound.
>  #
> +# Define NO_SYS_SELECT_H if your C library header files do not have <sys/select.h>
> +# but you do have select(2) (pre POSIX.1-2001 systems, e.g. HP-UX before 11.23).
> +#
>  # Define NO_R_TO_GCC_LINKER if your gcc does not like "-R/path/lib"
>  # that tells runtime paths to dynamic libraries;
>  # "-Wl,-rpath=/path/lib" is used instead.
> @@ -504,6 +507,9 @@ endif
>  ifneq (,$(findstring arm,$(uname_M)))
>  	ARM_SHA1 = YesPlease
>  endif
> +ifeq ($(uname_S),HP-UX)
> +	NO_SYS_SELECT_H = YesPlease
> +endif

# uname -s
HP-UX
# uname -r
B.11.00
#


-- 
H.Merijn Brand         Amsterdam Perl Mongers (http://amsterdam.pm.org/)
using & porting perl 5.6.2, 5.8.x, 5.10.x  on HP-UX 10.20, 11.00, 11.11,
& 11.23, SuSE 10.1 & 10.2, AIX 5.2, and Cygwin.       http://qa.perl.org
http://mirrors.develooper.com/hpux/            http://www.test-smoke.org
                        http://www.goldmark.org/jeff/stupid-disclaimers/