From: Loris N. <loris.nagler@TUGraz.at> - 2007-10-15 13:23:04
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Hello Roy, thank you for your answer. > Which version of libMesh are you using? I'm using the current CVS libmesh. >> /home/loris/soft/petsc-2.3.2-p10/include/petscmath.h:65: error: >> expected initializer before 'PetscScalar' > This is the root of all the other errors, but I can't help much > without seeing that petscmath.h file. I've only got petsc-2.3.1-p16 > and petsc-2.3.3-p3 installed, and they've changed enough that I don't > know what line 65 of your petscmath.h or its surrounding context will > read. I was able to get rid of the 'PetscScalar' error messages by taking a look at the petscmath.h where the following lines can be found. #if defined(PETSC_USE_COMPLEX) #if defined(PETSC_CLANGUAGE_CXX) #include <complex> ... #else #include <complex.h> ... It turned out that I configured Petsc without declaring "--with-clanguage=cxx" and <complex.h> was included instead of <complex>. But as always, when a problem is solved a new one arises. Now the libmesh library compiles without complaining until the sourcefile "laspack_vector.C" is reached. Here I get the following message: Compiling C++ (in optimized mode) src/numerics/laspack_vector.C... src/numerics/laspack_vector.C: In member function 'Real LaspackVector<T>::sum() const [with T = std::complex<double>]': src/numerics/laspack_vector.C:446: instantiated from here src/numerics/laspack_vector.C:44: error: cannot convert 'std::complex<double>' to 'Real' in return make: *** [src/numerics/laspack_vector.i686-pc-linux-gnu.opt.o] Error 1 I'm using the current CVS libmesh version and Petsc-2.3.3-p6 (I just switched to the current version. The error message doesn't change with other Petsc versions). I also let Petsc download the external packages needed ( blas-lapack and mpich ) during Petsc configuration. Any help or suggestions would be appreciated loris -- DI Loris Nagler Institute of Applied Mechanics Tel: +43/(0)316/873-7606 Graz University of Technology Fax: +43/(0)316/873-7641 Technikerstr. 4/II e-mail: loris.nagler@TUGraz.at 8010 Graz http://www.mech.TUGraz.at |