Mail Archives: cygwin/2003/03/28/06:51:33
FWIW, AFAIK cgf uses a cross-compiler to build mostly everything he builds
for the Cygwin distri (but cgf, please correct me if I'm wrong and/or
you've changed your habits).
There is a small patch to be applied to vanilla gcc to have it be
compatible with Cygwin's gcc (double alignment in structures). There's
been a discussion on that only last month. Because of this (and other)
reason(s), you really should use Cygwin CVS to build this.
cgf posted minimalist instructions recently (Jan or Feb, I don't recall -
but you can search the ml archives for it) that tells you how to do it,
with an explicit warning that he wasn't going to help out on it.
http://sources.redhat.com/ml/cygwin/2003-02/msg00074.html
note the last paragraph:
> Before someone asks, I built the cross compiler myself, I'm not willing
> to make it available for general distribution, and I'm not willing to
> act as a mentor to other enterprising souls who want to do the same
> thing. There are surely web sites out there which deal with this issue.
HTH
rlc
On Thu, 27 Mar 2003, Tim Renner wrote:
> I was wondering if anyone has successfully built a Cygwin gcc cross compiler
> (Host=i686-suse-linux, Target=i386-pc-cygwin) under Linux, and if so, could
> you post or email me the steps you took to do it... Here's my list of
> steps...
>
> Snagged
> gcc-2.95.3.tar.gz
> binutils-<newest>.tar.gz
> newlib-<newest>.tar.gz
>
> unpacked them all into my cross directory...
>
> cd binutils
> configure --prefix=$HOME/cross -target=i386-pc-cygwin -v
> make all install
> cd ..
> export PATH=$HOME/cross/bin:$PATH
>
> Brought over /lib, /usr/lib and /usr/include from my Cygwin machine,
> put in $HOME/cross/i386-pc-cygwin/lib, ...-cygwin/usr/lib, and
> ...-cygwin/include respectively...
>
> cd gcc-2.95.3
> configure --prefix=$HOME/cross --target=i386-pc-cygwin --with-gnu-as
> --with-gnu-ld --with-newlib
> --with-headers=$HOME/cross/newlib-<newest>/newlib/libc/include
> make all install
>
> (Fixed header conflicts till make all install worked ;)
>
>
> Now, when I try to compile this test program (Well, after copying some
> libraries from $HOME/cross/i386-pc-cygwin/lib/w32api into the lib dir, I get
> this error...
>
> Ender:/tmp # cat test.cpp
> #include <iostream>
>
> void main()
> {
> cout << "This is my test program!" << endl;
> }
>
> Ender:/tmp # i386-pc-cygwin-g++ -o test.exe test.cpp
> /root/cross/i386-pc-cygwin/lib/libcygwin.a(pseudo-reloc.o)(.text+0x49):
> undefined reference to `__RUNTIME_PSEUDO_RELOC_LIST__'
> /root/cross/i386-pc-cygwin/lib/libcygwin.a(pseudo-reloc.o)(.text+0x51):
> undefined reference to `__RUNTIME_PSEUDO_RELOC_LIST_END__'
> collect2: ld returned 1 exit status
> Ender:/tmp #
>
> I can't find a library on my cygwin install that has those symbols defined
> anywhere...
>
> I'm currently trying to build the Cygwin version of gcc-2.95.3, but havn't
> been able to get through that build yet... any help would be much
> appreciated ;)
>
> The most frustrating part is that I had this working at one point... I just
> don't remember how I did it :(
>
> Thanks,
> -Tim
>
>
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