Re: [Boost-users] Boost link error with mingw

Subject: Re: [Boost-users] Boost link error with mingw
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2010-07-25 13:15:38

AMDG

Eugen Dedu wrote:
> We compile ekiga for windows and boost signals is one of its 
> dependencies, so we need to compile it for windows.  I use gcc-mingw32 
> from debian unstable (gcc configured for mingw, version 4.4.4-0.1) and 
> I do like this:
> - download boost 1.43.0
> - echo "using gcc : : i586-mingw32msvc-gcc : ;" 
> >$(BOOST_DIR)/user-config.jam
> - cd $(BOOST_DIR); ./bjam $(confboost)
> <snip>
> I have discovered that the link can proceed if I do:
> - echo "using gcc : : i586-mingw32msvc-g++ : ;" 
> >$(BOOST_DIR)/user-config.jam
> - cd $(BOOST_DIR); ./bjam $(confboost)
>
> i.e. compile again after changing gcc to g++, but of course this is a 
> workaround.  How to solve it properly?

No.  Using g++ is the correct solution.

> Second, I execute afterwards:
> - cd $(BOOST_DIR); ./bjam $(confboost) install
> 2. Is $(confboost) still needed or not for install?

Yes.  You'd actually be better off just running the install.
It will build everything it needs.

> 3. This command does nothing for about 1 minute 30 secs (I thought at 
> the beginning that it simply does not work, fortunately I let it 
> execute more than 10 seconds to see what happens), and only afterwards 
> copy the files.

This is normal.

> Executing through strace shows many lines like this:
> brk(0x6116000)                          = 0x6116000
> and these lines take almost all the installation time.

In Christ,
Steven Watanabe