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From John Vandenberg <jay...@gmail.com>
Subject Re: Building APR with Cygwin?
Date Tue, 12 Jul 2005 07:37:21 GMT
On 7/12/05, Dan Johnson <dmj@nrtc.northrop.com> wrote:
Hi Dan,

> 
> Has anyone build APR 1.1.1 on Cygwin? I found some packages at Cygwin's site
> but they were 0.9.5 and 0.9.6. 
> 
>   
> 
> I tried building the Unix distribution directly but the configure script
> dies with "decision on anonymous shared memory allocation method failed." Is
> this a well-known problem? 
> 


I quickly attempted this on Cygwin using the 1.1.1 & trunk code,
without any issues.  The relevant part of the log for each looks like
this on Windows XP when I generate configure using an up to date
Cygwin with `autoconf-2.5x'

...
checking for shmdt... yes
checking for shmctl... yes
checking for create_area... no
checking for MAP_ANON in sys/mman.h... yes
checking for /dev/zero... yes
checking for mmap that can map /dev/zero... yes
decision on anonymous shared memory allocation method... 4.4BSD-style mmap() via
 MAP_ANON
decision on namebased memory allocation method... SysV IPC shmget()
...

I dont know a lot about Cygwin, but I would check that out first.

What were the configure results for header sys/mman.h, function mmap,
and function munmap?

Cheers,
John

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