bug#14022: libtool-gug

[Andreas Otto]

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,
> > > Peter
> > 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).
ok
> Side note, I guess you can drop your CC and CXX exports,
> configure will find automatically them with your --host
> argument.
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 
> > enable
> > cross-compiling
> >
> > to make this error not happen again, I add an error-ckeck to my "configure.ac" 
> > script
> >
> > ....
> > 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!
>
> Cheers,
> Peter