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Re: 1.5.11: execvp bug (XP)


Well, I have XP SP1, and, as you saw, it worked.  Since I didn't *really*
try it with 1.5.11, but rather with a self-built DLL from CVS, you might
try the latest snapshot and see if that fixes your problem.  Otherwise, I
had a WAG that it had to do with the presence of .exe in the symlink name
and contents, but the guess didn't pan out for me -- it worked in all 4
combinations.

I don't believe you ever said whether the *exact* sequence of commands
below worked for you or not.

Ah, another possibly relevant point: I use perl 5.8.2-1...  Could you
please try that?
	Igor

On Tue, 7 Sep 2004, Isaac Foraker wrote:

> #uname -a
> CYGWIN_NT-5.1 xcoisaacf20 1.5.11(0.116/4/2) 2004-09-04 23:17 i686 unknown unknown Cygwin
>
> I tried this same experiment on a home PC, and it is not having the
> problem. The major difference I can see is that the home PC has XP SP2
> installed, and the work machine is still on Service Pack 1 (I have no
> control over that). I'm trying to identify anything else different on
> the work machine that could cause 1.5.11 to not work. I'm not having any
> trouble with 1.5.10, so my group is sticking with that for now.
>
> Thanks,
> IF
>
> Igor Pechtchanski wrote:
>
> > Sorry, missed that.  Still, like CGF, I can't reproduce this:
> >
> > $ echo -e 'default:\n\tperl1 foo.pl' > Makefile
> > $ echo -e '#!/usr/bin/perl1\n\n\nprint "Success.\\n"' > foo.pl
> > $ ln -fs /usr/bin/perl /usr/bin/perl1
> > $ make
> > perl1 foo.pl
> > Success.
> > $ uname -a
> > CYGWIN_NT-5.1 pechtcha 1.5.12(0.116/4/2) 2004-09-07 15:07 i686 unknown unknown Cygwin
> > $
> >
> > There must be something peculiar to your installation.  Does the exact
> > recipe above work for you?
> > 	Igor
> >
> > On Tue, 7 Sep 2004, Isaac Foraker wrote:
> >
> > > As stated in my original post, I renamed make.exe to gmake.exe to avoid
> > > a name conflict with Opus make (also named make.exe).  So,
> > > gmake.exe==Cygwin make.exe.  My environment is somewhat customized
> > > because I have a lot of different build requirements depending on the
> > > project I am working on.
> > >
> > > Renaming gmake back to make gives the same result.
> > >
> > > #which make
> > > /usr/bin/make
> > >
> > > #make
> > > perl foo.pl
> > > make: execvp: perl: Permission denied
> > > make: *** [default] Error 127
> > >
> > > Thanks,
> > > IF
> > >
> > > Igor Pechtchanski wrote:
> > >
> > > > On Tue, 7 Sep 2004, Isaac Foraker wrote:
> > > >
> > > > > Yes, the perl soft link works from the command line.  Here's my test
> > > > > case that fails.
> > > > >
> > > > > <foo.pl>
> > > > > #!/usr/bin/perl
> > > > >
> > > > > print "Success.\n"
> > > > > </foo.pl>
> > > > >
> > > > > <Makefile>
> > > > > default:
> > > > >      perl foo.pl
> > > > > </Makefile>
> > > > >
> > > > > #ls -l /usr/bin/perl
> > > > > lrwxrwxrwx    1 isaacf   Domain U       24 Sep  7 12:44 /usr/bin/perl
> > > > > ->
> > > > > /usr/bin/perl5.8.5.exe
> > > > >
> > > > > #gmake
> > > >    ^^^^^
> > > > > perl foo.pl
> > > > > gmake: execvp: perl: Permission denied
> > > > > gmake: *** [default] Error 127
> > > >   ^^^^^
> > > > > #perl foo.pl
> > > > > Success.
> > > > >
> > > > > You may also need to "rm /usr/bin/perl.exe" before you can "ln -s
> > > > > /usr/bin/perl5.8.5.exe /usr/bin/perl".
> > > >
> > > > According to
> > > > <http://cygwin.com/cgi-bin2/package-grep.cgi?grep=bin%2Fgmake>,
> > > > there is no "gmake" in the Cygwin distribution.  Is "gmake" a
> > > > Windows executable, by any chance?  If so, the behavior is
> > > > expected -- Windows programs don't understand Cygwin symlinks.
> > > >
> > > > Why not use Cygwin make?
> > > > 	Igor

-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha@cs.nyu.edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor@watson.ibm.com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski, Ph.D.
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

"Happiness lies in being privileged to work hard for long hours in doing
whatever you think is worth doing."  -- Dr. Jubal Harshaw

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