dolfin team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

Fixed.

-- 
Anders


On Mon, Apr 06, 2009 at 10:24:26AM -0500, Andy Ray Terrel wrote:
> In the dev version of dolfin there seems to be a problem with
> include/dolfin/assemble.h.  It defines both implementation and
> prototype which causes a collision in the namespace, for example take
> a foobar library that just imports dolfin.h twice:
> 
> 
> aterrel@localhost$ cat foo.cpp
> #include <dolfin.h>
> 
> aterrel@localhost$ cat bar.cpp
> #include <dolfin.h>
> 
> aterrel@localhost$ `pkg-config --variable=compiler dolfin` -o foo.os
> -c -fPIC `pkg-config --cflags dolfin` foo.cpp
> aterrel@localhost$ `pkg-config --variable=compiler dolfin` -o bar.os
> -c -fPIC `pkg-config --cflags dolfin` bar.cpp
> aterrel@localhost$ `pkg-config --variable=compiler dolfin` -o
> foobar.dylib -dynamiclib `pkg-config --cflags --libs dolfin` foo.os
> bar.os
> 
> ld: multiple definitions of symbol
> __ZN6dolfin15assemble_systemERNS_13GenericMatrixERNS_13GenericVectorERKNS_4FormES6_RKNS_11DirichletBCEb
> foo.os definition of
> __ZN6dolfin15assemble_systemERNS_13GenericMatrixERNS_13GenericVectorERKNS_4FormES6_RKNS_11DirichletBCEb
> in section (__TEXT,__text)
> bar.os definition of
> __ZN6dolfin15assemble_systemERNS_13GenericMatrixERNS_13GenericVectorERKNS_4FormES6_RKNS_11DirichletBCEb
> in section (__TEXT,__text)
> ... lots of functions multiply defined from assemble.h
> 
> 
> Removing assemble.h from the top-level include works well, for my
> needs I just link it in manually.  To make the library a bit nicer to
> use I would suggest splitting the implementation from the prototypes.
> 
> -- Andy
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