On Fri, 8 Nov 2013, Peter Rosin wrote:
Hi!
There seem to be a longstanding complaint that libtool is using
-nostdlib when it links libraries using g++. It interferes with
-pthread and I think I have also seen other issues. No one can
give a satisfactory explanation why libtool does this, it seems
Isn't it because libtool wants to control the order of the linking and
assure that all dependencies (including static) are tracked/known and
applied at the correct times? It wants to assure that static
dependencies are linked into the dependent program rather than into
some dependent shared library (and thus causing a problem).
It was common (and perhaps still is) for the GNU C++ library to be
delivered as a static library for Windows/MinGW because C++ exceptions
were not handled properly when thrown by DLLs.
Quite a lot of effort went into making this work the way it currently
does.
First libtool tries to take away all of the libraries which would be
added automatically and then it applies the libraries that GCC says it
would use at the correct time.
Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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