On Thu, Jul 26, 2012 at 10:35 AM, Geoff Hutchison
<ge...@geoffhutchison.net> wrote:
>> When I build the most recent revision in SVN, 4965, with Eigen2
>> installed, it fails to compile due to an ambiguous overloaded call to
>> Matrix. But with Eigen3 installed, it works.
>
> That's my mistake, since I only have Eigen3 installed on my machines. If you
> can give me the compile error, I should be able to fix for Eigen2 as well.
Sorry for the line-wrapped mess. This is the error message:
[ 27%] Building CXX object src/CMakeFiles/openbabel.dir/distgeom.o
/home/ec2-user/openbabel/src/distgeom.cpp: In constructor
‘OpenBabel::DistanceGeometryPrivate::DistanceGeometryPrivate(unsigned
int)’:
/home/ec2-user/openbabel/src/distgeom.cpp:40: error: call of
overloaded ‘Matrix(const unsigned int&, const unsigned int&)’ is
ambiguous
/usr/local/include/eigen2/Eigen/src/Core/Matrix.h:373: note:
candidates are: Eigen::Matrix<_Scalar, _Rows, _Cols, _Options,
_MaxRows, _MaxCols>::Matrix(const double&, const double&) [with
_Scalar = float, int _Rows = 10000, int _Cols = 10000, int _Options =
2, int _MaxRows = 10000, int _MaxCols = 10000]
/usr/local/include/eigen2/Eigen/src/Core/Matrix.h:365: note:
Eigen::Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows,
_MaxCols>::Matrix(const float&, const float&) [with _Scalar = float,
int _Rows = 10000, int _Cols = 10000, int _Options = 2, int _MaxRows =
10000, int _MaxCols = 10000]
/usr/local/include/eigen2/Eigen/src/Core/Matrix.h:348: note:
Eigen::Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows,
_MaxCols>::Matrix(int, int) [with _Scalar = float, int _Rows = 10000,
int _Cols = 10000, int _Options = 2, int _MaxRows = 10000, int
_MaxCols = 10000]
make[2]: *** [src/CMakeFiles/openbabel.dir/distgeom.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [src/CMakeFiles/openbabel.dir/all] Error 2
make: *** [all] Error 2
I've run this on an Amazon instance to ensure I had a clean system to
work with. The error also occurs on my own computer, though. The
set-up and build procedure is below.
Thanks,
Jeff
AMI: amzn-ami-pv-2012.03.3.x86_64-ebs (ami-aecd60c7)
sudo yum -y install strace ltrace cmake make gcc-c++ cairo cairo-devel
readline-devel libxml2-devel svn
wget http://bitbucket.org/eigen/eigen/get/2.0.17.tar.bz2
mv 2.0.17.tar.bz2 Eigen_2.0.17.tar.bz2
tar xf Eigen_2.0.17.tar.bz2
cd eigen-eigen-b23437e61a07/
cmake .
make
sudo make install
cd
svn co https://openbabel.svn.sourceforge.net/svnroot/openbabel/openbabel/trunk
openbabel
cd openbabel
mkdir build
cd build/
cmake ../
make
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