Re: general cygwin cross compiling question

[Waldemar Brodkorb <wbx at openbsd-geek dot de>]

Hi,
Nils Roeder wrote,

> Hi there,
> 
> apologies if my question is already answered in some faq,
> i did search but could not find anything. If something exists i 
> appreciate if someone helps me to find it.
> 
> I am wondering about the general concept of a cygwin hosted cross 
> compiler to linux targets :
> build=cygwin
> host=cygwin
> target=armxscale-linux,ppc-linux, etc

At least I have a working cygwin compiler for linux/x86 and
linux/ppc. So it should be possible. I used the newest Cygwin 1.5.19. 
 
> As far as i can see crosstools are using binutils,cygwin and gcc to
> attempt to create such compilers... ?
> I understand the necessity of the cygwin headers for the HOST part
> of the compiler but what code are the binaries running under linux
> build with if no TARGET glibc/newlin/uClibc is available ?

The cygwin toolchain will build glibc as well.
gcc 3.4.4, binutils 2.16.1 and glibc 2.3.5 is a working combination.

> Would i not need to create a HOST cross compiler part with cygwin and
> a TARGET crosscompiler part with e.g. glibc under cygwin ?
> (And if so, i admit i would not have a clear idea how to approach this).
> 

I am not sure, what you try todo, but if you only need to create
binaries for linux/ppc or linux/arm under windows, just execute sh
demo-ppc.sh in a cygwin shell.

gruss
    Waldemar

-- 
Geek by nature. OpenBSD by choice.
http://openbsd-geek.de/

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