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Date: Mon, 17 Mar 2008 23:15:59 -0400
From: "Matthew Persico" <matthew DOT persico AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Building perl-5.10.0
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On Fri, Mar 14, 2008 at 9:05 AM, Sisyphus <sisyphus1 AT optusnet DOT com DOT au> wrote:
> Hi,
> I thought I might build perl-5.10.0, so I downloaded the perl source into
> the ~/comp directory, switched to the top level source directory and ran:
>
> sh configure -de -Duse64bitint -Dprefix=~/myperl
>
> That seemed to run ok - so I then ran 'make'. That process runs for a while
> but terminates with the following error:
>
> ---------------------------
>        Making DynaLoader (static_pic)
> make[1]: Entering directory `/home/Rob/comp/perl-5.10.0/ext/DynaLoader'
> make[1]: Leaving directory `/home/Rob/comp/perl-5.10.0/ext/DynaLoader'
> make[1]: Entering directory `/home/Rob/comp/perl-5.10.0/ext/DynaLoader'
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> ERROR: Can't create '../../lib/auto'
> Do not have write permissions on '/'
> !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>  at -e line 1
> ----------------------------
>
> I find that somewhat confusing. For a start, I find that '../../lib/auto'
> exists - so either it *was* succesfully created, or there was no need to
> create it anyway. (At least, `/home/Rob/comp/perl-5.10.0/lib/auto' exists -
> and, by my reckoning, that equates to '../../lib/auto'.)
>
> As for not having write permissions on '/', what directory is that referring
> to ?

Same issue here. On Vista, with UAC enabled, I used the packaged perl
5.10 and Tk and tried to install Devel::ptkdb with cpan. No dice.
Tried to do it manually via

perl Makefile.PL
make
make test
make install

At make, I got this:

matthew AT mopvs ~/.cpan/sources/authors/id/A/AE/AEPAGE/Devel-ptkdb-1.1091
$ make
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ERROR: Can't create 'blib/lib/auto'
Do not have write permissions on '/'
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 at -e line 1
make: *** [pm_to_blib] Error 136

My cygwin lives at c:\opt\cygwin. A list of of / reveals:

matthew AT mopvs /
$ ls -alrt
total 141
dr-xr-xr-x   1       0 root      0 Dec 31  1969 cygdrive
dr-xr-xr-x   1 matthew None      0 Nov 30  2006 proc
drwxrwxrwx+  3 matthew None      0 Sep 16  2007 home
dr-xr-x---+  7 matthew Users     0 Mar 15 00:24 var
drwxrwx---+  2 matthew Users     0 Mar 15 00:24 dev
drwxrwx---+ 16 matthew Users  4096 Mar 15 01:14 usr
d---------+  7 matthew None   4096 Mar 17 01:18 src
d---------+ 13 matthew None   4096 Mar 17 20:53 ..
d---------+ 13 matthew None   4096 Mar 17 20:53 . ## <= this is /
----------+  1 matthew None   1086 Mar 17 20:53 Mortens Cygwin X-Launcher.lnk
-rwxrwx---+  1 matthew Users    81 Mar 17 20:59 Cygwin.bat
drwxrwxrwt+  3 matthew Users     0 Mar 17 21:13 tmp
drwxrwx---+ 12 matthew Users  4096 Mar 17 22:43 etc
drwxrwx---+  2 matthew Users 90112 Mar 17 22:43 bin
drwxrwx---+ 15 matthew Users 20480 Mar 17 22:43 lib
-rwxrwx---+  1 matthew Users  7022 Mar 17 22:45 Cygwin.ico

Why is / set to 000???

Well after a bit of googling around, the answer is this:

1) In a Windows cmd command prompt, cd where your cygwin lives - mine
is at c:\opt\cygwin
2) cd ..
3) attrib -r cywgin - that removed the read-only bit. Don't try it in
Windows Explorer; it does not "stick"
4) Then in a Cygwin window, cd /
5) chmod 777 .

Now, you should be set. I did the install and got no 'cannot write to /' errors.

Enjoy

>
> Interestingly, Google turns up a very similar case (
> http://www.nntp.perl.org/group/perl.perl5.porters/2007/03/msg121921.html )
> but that relates to buildng bleadperl on SuSE 64 ... and no resolution is
> given.
>
> There's no such problem with building perl-5.8.8 from source (using the
> exact same configure command). The first time I ran it 'make' terminated
> after a few minutes because ~/myperl/bin didn't already exist, so I simply
> created that directory, re-ran 'make' and all then proceeded smoothly. (I
> didn't go to the bother of running 'make test'.)
>
> Cheers,
> Rob
>
>
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>



-- 
Matthew O. Persico

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