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From:	Vin Shelton <acs AT xemacs DOT org>
Subject:	Re: under cygwin, zsh cannot run when built against ncurses9-5.7-13
Date:	Fri, 13 Mar 2009 23:17:35 -0400
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Charles Wilson wrote:
> Vin Shelton wrote:
>> When I build the latest zsh sources on Cygwin 1.7 using
>> ncurses8-5.5.3, I get a working zsh.  When I build the same zsh
>> sources against ncurses9-5.7-13, although the build completes
>> successfully, the executable will not run:
>>
>> $ /usr/local/zsh-2009-03-11/bin/zsh -f
>> $ echo $?
>> 127
>>
>> My guess is that some kind of runtime dependency is missing, but:
>>
>> $ cygcheck /usr/local/zsh-2009-03-11/bin/zsh.exe
>> C:\cygwin\usr\local\zsh-2009-03-11\bin\zsh.exe
>>   C:\cygwin\bin\cygwin1.dll
>>     C:\WINDOWS\system32\ADVAPI32.DLL
>>       C:\WINDOWS\system32\KERNEL32.dll
>>         C:\WINDOWS\system32\ntdll.dll
>>       C:\WINDOWS\system32\RPCRT4.dll
>>         C:\WINDOWS\system32\Secur32.dll
>>   C:\cygwin\usr\local\zsh-2009-03-11\bin\libzsh-4.3.9-dev-1.dll
>>     C:\cygwin\bin\cygiconv-2.dll
>>     C:\cygwin\bin\cygncurses-9.dll
>>     C:\cygwin\bin\cyggcc_s-1.dll
> 
> Just for grins, could you rebuild zsh against libncurses9 -- but this
> time use gcc3?  cygiconv-2 and cygncurses-9 use the static gcc-3.4.4
> libgcc.a, but you are apparently using the gcc-4.3.2 shared libgcc.
> 
> I just wonder if that presents an incompatibility that could explain
> what you are seeing.

Thanks for replying, Chuck.

As I mentioned in the initial email, I had already done just that.  Just 
to be sure, I did it again, with the same result:

$ cygcheck ./zsh.exe
C:\cygwin\usr\local\zsh-2009-03-11\bin\zsh.exe
   C:\cygwin\bin\cygwin1.dll
     C:\WINDOWS\system32\ADVAPI32.DLL
       C:\WINDOWS\system32\KERNEL32.dll
         C:\WINDOWS\system32\ntdll.dll
       C:\WINDOWS\system32\RPCRT4.dll
         C:\WINDOWS\system32\Secur32.dll
   C:\cygwin\usr\local\zsh-2009-03-11\bin\libzsh-4.3.9-dev-1.dll
     C:\cygwin\bin\cygiconv-2.dll
     C:\cygwin\bin\cygncurses-9.dll

$ cygcheck ./libzsh-4.3.9-dev-1.dll
C:\cygwin\usr\local\zsh-2009-03-11\bin\libzsh-4.3.9-dev-1.dll
   C:\cygwin\bin\cygwin1.dll
     C:\WINDOWS\system32\ADVAPI32.DLL
       C:\WINDOWS\system32\KERNEL32.dll
         C:\WINDOWS\system32\ntdll.dll
       C:\WINDOWS\system32\RPCRT4.dll
         C:\WINDOWS\system32\Secur32.dll
   C:\cygwin\bin\cygiconv-2.dll
   C:\cygwin\bin\cygncurses-9.dll

How can I ascertain what entry point is not being found?

   - Vin


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