Re: Building strtoull on HP-UX 10.20 requires stdint which is not included

[Eric Blake]

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According to Simon Josefsson on 3/24/2009 1:48 AM:
> Albert Chin <address@hidden> writes:
> 
>> With latest gnulib on HP-UX 10.20:
>>   $ ./gnulib-tool --create-testdir --dir=t strtoull
>>   $ cd t
>>   $ ./configure
>>   ...
>>   $ gmake
>>   ...
>>   source='dummy.c' object='dummy.o' libtool=no \
>>   DEPDIR=.deps depmode=hp /bin/sh ../build-aux/depcomp \
>>   cc -Ae -DHAVE_CONFIG_H -I. -I..     -g -c dummy.c
>>   source='strtoull.c' object='strtoull.o' libtool=no \
>>   DEPDIR=.deps depmode=hp /bin/sh ../build-aux/depcomp \
>>   cc -Ae -DHAVE_CONFIG_H -I. -I..     -g -c strtoull.c
>>   cpp: "stdlib.h", line 52: error 4036: Can't open include file 'stdint.h'.

That's weird.  Line 52 of stdlib.in.h is #include <stdint.h>, so how is
that failing to find the system's stdint.h?

>>   gmake[4]: *** [strtoull.o] Error 1
> 
> stdlib.in.h needs stdint.h for struct random_data:

I don't have access to HP-UX; are we sure that struct random_data is
defined in <stdint.h> on that platform?  If so, it seems like the real bug
is that stdlib_h.m4 is not including <stdint.h> as one of the headers in
its probe for an existing struct random_data.

> So either we do:
> 
> --- a/modules/stdlib
> +++ b/modules/stdlib
> @@ -9,6 +9,7 @@ Depends-on:
>  include_next
>  link-warning
>  unistd
> +stdint

Depending on what else we find, this seems like it is part of the solution
to me.

> I can see the advantages in the second alternative, to avoid having
> gnulib's stdlib.h depend on stdint.h, but in the long run I'm not sure
> if it is worth it.

Usually, if you're going to replace stdlib.h, the cost of replacing other
headers is not much more.  I don't think we need a separate module.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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