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 Post subject: Problems installing...help!
PostPosted: Fri Apr 10, 2015 5:45 am 
Hi there,

Every time I try to connect to ftp.uni-kl.de with the Cygwin install as per the instructions, I get a message which says that setup.ini can't be found, and then when a package repository is listed, Singular isn't in it. I am running 64-bit Windows and I've already installed Cygwin. Thanks!


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 Post subject: Re: Problems installing...help!
PostPosted: Fri Apr 10, 2015 6:19 am 
Was able to install with 32-bit, but can't start Singular from Cygwin.


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 Post subject: Re: Problems installing...help!
PostPosted: Tue Apr 14, 2015 6:55 pm 
I have exactly the same problem. Some one can help us, please.


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 Post subject: Re: Problems installing...help!
PostPosted: Wed Apr 15, 2015 1:25 pm 

Joined: Wed May 25, 2005 4:16 pm
Posts: 178
2 remarks:
- currently only the binary for 32bit cygwin exists, that means it will not work in a 64bit
cygwin environment
- Singular uses the following dynamic libraries, but they all belong to the default
cygwin installation (or the system):
ntdll.dll => /cygdrive/c/Windows/SYSTEM32/ntdll.dll (0x77ad0000)
kernel32.dll => /cygdrive/c/Windows/system32/kernel32.dll (0x761f0000)
KERNELBASE.dll => /cygdrive/c/Windows/system32/KERNELBASE.dll (0x75e90000)
cygwin1.dll => /usr/bin/cygwin1.dll (0x61000000)
cygreadline7.dll => /usr/bin/cygreadline7.dll (0x6f880000)
cygncursesw-10.dll => /usr/bin/cygncursesw-10.dll (0x6f9a0000)
USER32.dll => /cygdrive/c/Windows/system32/USER32.dll (0x77720000)
GDI32.dll => /cygdrive/c/Windows/system32/GDI32.dll (0x77570000)
LPK.dll => /cygdrive/c/Windows/system32/LPK.dll (0x774e0000)
USP10.dll => /cygdrive/c/Windows/system32/USP10.dll (0x77c80000)
msvcrt.dll => /cygdrive/c/Windows/system32/msvcrt.dll (0x77430000)
cyggcc_s-1.dll => /usr/bin/cyggcc_s-1.dll (0x6fd20000)
cygstdc++-6.dll => /usr/bin/cygstdc++-6.dll (0x6f6e0000)
cyggmp-10.dll => /usr/bin/cyggmp-10.dll (0x6fc70000)
cygmpfr-4.dll => /usr/bin/cygmpfr-4.dll (0x6fa20000)
IMM32.DLL => /cygdrive/c/Windows/system32/IMM32.DLL (0x76090000)
MSCTF.dll => /cygdrive/c/Windows/system32/MSCTF.dll (0x77230000)

I.e. make sure that you have readline, gmp, mpfr and ncurses installed.

Use (and missing shared libraries) can be found with:
ldd /usr/bin/Singular.exe


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 Post subject: Re: Problems installing...help!
PostPosted: Tue May 05, 2015 6:04 am 
Javo wrote:
I have exactly the same problem. Some one can help us, please.


I and Yue are working on the updated cygwin package for 32 and 64 bit version
https://cygwin.com/ml/cygwin-apps/2015-04/msg00035.html

We should upload in 1-2 weeks.

Regards
Marco


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 Post subject: Re: Problems installing...help!
PostPosted: Tue May 05, 2015 1:21 pm 

Joined: Wed May 25, 2005 4:16 pm
Posts: 178
- Solution for dynamic module:
Singular uses dynamic modules at 2 places:
* for polynomial operations
but there is a variant without dynamic modules
the configure options
Code:
--disable-p-procs-dynamic --enable-p-procs-static

should select this variant (configure should automatically select this on Windows)
* for optional pacakages
can be embedded via
Code:
----with-builtinmodules=a,b,c

Technical background: dynamic modules are shared libarires with unresolved
symbols from the Singular kernel. The dynamic linker on ELF systems
(and on HPUX) resolves theese references automatically during the loading.
AFAIK the dynamic linker on Windows cannot do this, so dynamic modules
(at least currently) cannot work on Windows, but work-arounds exists - see above.


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