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

From
Junio C Hamano <gitster@pobox.com>
Date
Dec 18, 2007, 09:47 UTC
Message-ID
<7vir2w1ghi.fsf@gitster.siamese.dyndns.org>
In-Reply-To
<4767934F.7070706@op5.se>
Andreas Ericsson <ae@op5.se> writes:
Show 20 quoted lines
> Junio C Hamano wrote:
>>
>> Besides, isn't _HPUX_SOURCE a feature-test macro?  Feature test macros
>> are for the application to define, and for the implementation (iow, the
>> header files) to find out what set of names the application wants to
>> see.  You are making the application examine the symbol to see what
>> implementation it is on, which feels backwards to me.
>
>
>  #if defined(hpux) || defined(_hpux) || defined(__hpux)
>
> should work ok, although as you say, trying
>
>  #if _POSIX_VERSION < 200112
>  # include <non-POSIX.1-2001 headers>
>  #else
>  # include <sys/select.h>
>  #endif
>
> would probably be more suitable.

I cannot take credit for having said that (I didn't), but it sounds like a sensible thing to compare _POSIX_VERSION with 200112L. For previous SUS, <sys/time.h> would have defined select(2), but that header file is already included anyway.

Merijn, discarding the earlier patch I did to configure it out for HP-UX, does the following patch based on Andreas's idea work for you?

---
 git-compat-util.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/git-compat-util.h b/git-compat-util.h
index 79eb10e..68a580f 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -68,7 +68,9 @@
 #include <sys/poll.h>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
+#if _POSIX_VERSION >= 200112L
 #include <sys/select.h>
+#endif
 #include <assert.h>
 #include <regex.h>
 #include <netinet/in.h>
Previous: Andreas EricssonNext: H.Merijn Brand
Message 12 of 20 in “HP-UX does not have select.h”
  1. HP-UX does not have select.hH.Merijn Brand, Dec 17, 2007
  2. Junio C HamanoDec 17, 2007
  3. H.Merijn BrandDec 17, 2007
  4. Junio C HamanoDec 18, 2007
  5. H.Merijn BrandDec 18, 2007
  6. Johannes SixtDec 18, 2007
  7. Johannes SchindelinDec 18, 2007
  8. Johannes SixtDec 18, 2007
  9. Johannes SchindelinDec 18, 2007
  10. Johannes SixtDec 18, 2007
  11. Andreas EricssonDec 18, 2007
  12. Junio C HamanoDec 18, 2007
  13. H.Merijn BrandDec 18, 2007
  14. Junio C HamanoDec 19, 2007
  15. H.Merijn BrandDec 19, 2007
  16. Junio C HamanoDec 19, 2007
  17. H.Merijn BrandDec 20, 2007
  18. Junio C HamanoDec 20, 2007
  19. Jan HudecDec 23, 2007
  20. H.Merijn BrandDec 23, 2007

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