δΊ 2011/10/14 16:59, Alexandre Gouraud ει:
Hello,
Thank you very much for your prompt response. This is much appreciated.
2011/10/14 Kai Tietz <[email protected]
<mailto:[email protected]>>
Well, in case for cross-compilers this doesn't matter, as
cross-compilers are prefixed with their target-triplet. Means to call
cross-compiler from 32-bit -> 64-bit means, that toolchain is prefix
by x86_64-w64-mingw32-<tools-name>
I am building a cross compiler, and I have this issue. Maybe because I
am building a cross compiler ... using the same cross compiler (which
might be stupid but this is what I do for the time being). I switched
the path order, and it solved my problem. In my /mingw64/bin I have
both gcc.exe and x86_64-w64-mingw32-gcc.exe which conflicts with the
one I have in my --prefix directory...
You need to specify on configure for crt the option
--host=x86_64-w64-mingw32. This indicates to autotools, that you want
to build for this host. Otherwise it assumes you want to build
native, which would then mean you are building for 32-bit in your
case.
Of course you need to specify same prefix and sysroot. You just
missed to specify --host argument on configure.
I did specify --host in the confirgure script of crt:
$ cat ./build/mingw64/crt/config.log
This file contains any messages produced by compilers while running
configure, to aid debugging if configure makes a mistake.
It was created by mingw-w64-runtime configure 1.0b, which was
generated by GNU Autoconf 2.67. Invocation command line was
$ ../../../src/mingw-w64-trunk-20110723/mingw-w64-crt/configure
--host=x86_64-w64-mingw32
--prefix=/usr/home/aceg7283/toolchain_gcc_4.6/build/mingw64/target
--with-sysroot=/usr/home/aceg7283/toolchain_gcc_4.6/build/mingw64/target
--
Alexandre
Before cross building gcc, you should rebuild mingw64 headers and
install to your prefix.
--
Best Regards,
xunxun
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