Help! How to find newlib?

Help! How to find newlib?

[Xin Jin]

Hallo all,

i'm using cygwin 1.7 for porting of a c/c++ written program from linux on 
windows and want to get an executable file which is independable with cygwin. 
This program needs "glibc" (the standard c library), particuly the pread, 
pwrite function inside it. It is described in the cygwin user's guide that 
newlib instead of glibc is used in cygwin. So the questions are:

Is newlib already included in cygwin? But i can't find it with the 
unix-command find / -name "newlib" in my cygwin directory. Or some packages 
must be selected in the cygwin to get the "newlib"? 

Please help me!


best regards
Xin 

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Re: Help! How to find newlib?

[marco atzeri]

On Tue, May 10, 2011 at 9:55 AM, Xin Jin  wrote:
> Hallo all,
>
> i'm using cygwin 1.7 for porting of a c/c++ written program from linux on
> windows and want to get an executable file which is independable with cygwin.
> This program needs "glibc" (the standard c library), particuly the pread,
> pwrite function inside it. It is described in the cygwin user's guide that
> newlib instead of glibc is used in cygwin. So the questions are:
>
> Is newlib already included in cygwin? But i can't find it with the
> unix-command find / -name "newlib" in my cygwin directory. Or some packages
> must be selected in the cygwin to get the "newlib"?

newlib is used to build the cygwin1.dll.

As  you need a stand alone version you need to look at
http://sourceware.org/newlib/


>
> Please help me!

google is your friend ;-)

>
>
> best regards
> Xin

Marco

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Re: Help! How to find newlib?

[Corinna Vinschen]

On May 10 09:55, Xin Jin wrote:
> Hallo all,
> 
> i'm using cygwin 1.7 for porting of a c/c++ written program from linux on 
> windows and want to get an executable file which is independable with cygwin. 
> This program needs "glibc" (the standard c library), particuly the pread, 
> pwrite function inside it. It is described in the cygwin user's guide that 
> newlib instead of glibc is used in cygwin. So the questions are:
> 
> Is newlib already included in cygwin? But i can't find it with the 
> unix-command find / -name "newlib" in my cygwin directory. Or some packages 
> must be selected in the cygwin to get the "newlib"? 

Newlib is an integral part of the Cygwin DLL.  You can't get newlib for
Windows without Cygwin.  Besides, if you need pread/pwrite, you're
out of luck, these functions are not implemented in newlib, only in
Cygwin.


Corinna

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Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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