[vbox-dev] Build issues with 4.0.12 and 4.1.2 on OSX Lion

[Arend Dittmer]

Martin,

Thank you very much for your suggestion. You were right. It works without
--with-openssl=/opt/local and the problem is exactly what you suggest. As I
am not sure how to see the actual build command line I removed a semicolon
at the end of a line in utf8-posix.cpp to induce a build error and have a
look at the compiler command line.

With the --with-openssl=/opt/local in configure the line for the build line
of utf8-posix.cpp contains '-I/opt/local/include'. So it pulls in the header
for libiconv in /opt/local/lib. At link time the linker links libiconv.dylib
from /Developer/SDKs/MacOSX10.6.sdk that does not match the header from
/opt/local/include

After I started this thread I saw that the very same problem was reported a
while back and the suggested workaround by the person reporting the issue
was to add /opt/local/lib as a lib path for the linker:

http://comments.gmane.org/gmane.comp.emulators.virtualbox.devel/2862

I am not sure if this should be considered a bug but I feel that a flag for
specifying the openssl location should not impact the build of a component
that does not use openssl at all.

Arend

On Tue, Sep 13, 2011 at 10:41 AM, Martin Simmons <martin at lispworks.com>wrote:

> >>>>> On Tue, 13 Sep 2011 09:17:53 -0700, Arend Dittmer said:
> >
> > Thanks again. It looks like you are right ... there are no function
> > prototypes for the symbols libiconv, libiconv_open and libiconv_close
> > in /Developer/SDKs/MacOSX10.6.sdk/usr/include/iconv.h which corresponds
> to
> > /Developer/SDKs/MacOSX10.6.sdk/usr/lib/libiconv.dylib
> >
> > Question is ... which flag do I set to have the build pick up
> > the MacOSX10.6.sdk version?
> >
> > Just not sure what VirtualBox build flag makes it pick up the right
> header.
>
> Do you really need --with-openssl-dir=/opt/local in the configuration?  I
> suspect that option adds /opt/local/include to the include path, so the
> compiler finds /opt/local/include/iconv.h by accident.
>
> __Martin
>
>
> >
> > On Tue, Sep 13, 2011 at 7:10 AM, François Revol <revol at free.fr> wrote:
> >
> > > Le 13/09/2011 16:05, Arend Dittmer a écrit :
> > > > Thank you Darshan and Francois for getting back to me. For the build
> that
> > > > fails the linker tries to link with libiconv in
> > > > /Developer/SDKs/MacOSX10.6.sdk:
> > > [...]
> > > > If I manually run the command in the same directory and force linking
> > > with
> > > > the macports libiconv it actually builds. The macports library is
> > > universal:
> > >
> > > It's possible that it always finds the iconv headers from MacPorts
> > > first regardless, then it fails linking with the SDK one due to
> > > mismatched headers and lib.
> > >
> > > > The issue is that libiconv in /Developer/SDKs/MacOSX10.6.sdk* *does
> not
> > > have
> > > > the _libiconv symbol (and the other symbols that are missing which
> are
> > > > _libiconv_open and _libiconv_close) for 64-bit:
> > >
> > > By experience, there are several "versions" of the iconv symbol names.
> > > This is meant to make it possible to link with an external libiconv or
> > > the one included with the libc on some platforms.
> > > For ex. when defining LIBICONV_PLUG.
> > >
> > > If it picked up the wrong headers then it will try to use wrong
> symbols.
> > >
> > > François.
> > >
> >
> >
> >
> > --
> > Arend Dittmer
> > TheMicroComputer
> > Phone: 415 497 7797
> > e-mail: arend at mypocketxp.com
> > http://www.mypocketxp.com
> >
>
> _______________________________________________
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>



-- 
Arend Dittmer
TheMicroComputer
Phone: 415 497 7797
e-mail: arend at mypocketxp.com
http://www.mypocketxp.com
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