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bug#14022: libtool-gug

From: Andreas Otto
Subject: bug#14022: libtool-gug
Date: Fri, 22 Mar 2013 13:56:54 +0100
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130307 Thunderbird/17.0.4

Am 22.03.2013 11:52, schrieb Peter Rosin:
On 2013-03-22 10:04, Andreas Otto wrote:
Am 22.03.2013 09:34, schrieb Peter Rosin:
Your error is that you have specified --build incorrectly.
You are building on Cygwin with a Cygwin-hosted compiler,
which means that --build should be something-cygwin (but
you should leave configure to autodetect the specifics).
What you want to do is to specify --host=x86_64-w64-mingw32
since you are building for a MinGW host.

Cheers, and hope that helps,

Stopp, you are right and not right at the same time.

I using cygwin to build a windows native library -> this mean WITHOUT any 
cygwin specific libraray
=> so, I'm using cygwin in cross-compiling mode ;-)
I don't see where I'm not right. I said that you are using
a Cygwin-hosted compiler, which is what I think you are
objecting against. But you are. I could have been clearer
and said Cygwin-hosted cross-compiler targeting MinGW or
something such, but your compiler is in fact Cygwin-hosted,
no error there AFAICT (i.e. the compiler itself is linked
against Cygwin libs).
Side note, I guess you can drop your CC and CXX exports,
configure will find automatically them with your --host
this is something i missing .. because I always using "ccache" to speedup compiling and i don't find any usfull way to add a compiling tool prefix without using the CC or CXX
variablee.g. -> CC='ccache x86_64-w64-....'

NOW i found the error (with the help of you)

I used "--build=x86_64-w64-mingw32" but I need "--host=x86_64-w64-mingw32" to 

to make this error not happen again, I add an error-ckeck to my "configure.ac" 

if test "$build_os" = "mingw32"; then
   AC_MSG_ERROR([as '--build=...' only cygwin is supported
   -> keep it unchanged if you are working in a cygwin toolchan
to enable cross-compiling mode you have to specify
   -> --host=x86_64-w64-mingw32])
elif test "$build_os" = "cygwin"; then
That will kill building the project on MSYS. I guess it's
your project, but it seems a bit hostile to me...
from my point of view MSYS is an untested environment.

Thanks for your help.
You're welcome!


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