[eigen] eigen3 compile error on jaunty (gcc 4.3.3)

[Radu Bogdan Rusu <rusu@xxxxxxxxxxxxxxxx>]

We just noticed a compilation error on Ubuntu Jaunty on eigen3 today.

$ gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 4.3.3-5ubuntu4' 
--with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr 
--enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls 
--with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3 --enable-clocale=gnu --enable-libstdcxx-debug 
--enable-objc-gc --enable-mpfr --enable-targets=all --with-tune=generic --enable-checking=release --build=i486-linux-gnu 
--host=i486-linux-gnu --target=i486-linux-gnu
Thread model: posix
gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4)

$ lsb_release -a
LSB Version: 
core-2.0-ia32:core-2.0-noarch:core-3.0-ia32:core-3.0-noarch:core-3.1-ia32:core-3.1-noarch:core-3.2-ia32:core-3.2-noarch:core-4.0-ia32:core-4.0-noarch:cxx-3.0-ia32:cxx-3.0-noarch:cxx-3.1-ia32:cxx-3.1-noarch:cxx-3.2-ia32:cxx-3.2-noarch:cxx-4.0-ia32:cxx-4.0-noarch:desktop-3.1-ia32:desktop-3.1-noarch:desktop-3.2-ia32:desktop-3.2-noarch:desktop-4.0-ia32:desktop-4.0-noarch:graphics-2.0-ia32:graphics-2.0-noarch:graphics-3.0-ia32:graphics-3.0-noarch:graphics-3.1-ia32:graphics-3.1-noarch:graphics-3.2-ia32:graphics-3.2-noarch:graphics-4.0-ia32:graphics-4.0-noarch:qt4-3.1-ia32:qt4-3.1-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu 9.04
Release:	9.04
Codename:	jaunty


eigen3/build/eigen/build$ make check
[  0%] Building CXX object unsupported/test/CMakeFiles/polynomialsolver_9.dir/polynomialsolver.cpp.o
In file included from eigen3/build/eigen/Eigen/Core:235,
                 from eigen3/build/eigen/Eigen/QR:4,
                 from eigen3/build/eigen/unsupported/test/../../test/main.h:162,
                 from eigen3/build/eigen/unsupported/test/polynomialsolver.cpp:25:
eigen3/build/eigen/Eigen/src/Core/MatrixBase.h:352: error: template argument 2 is invalid
eigen3/build/eigen/Eigen/src/Core/MatrixBase.h:353: warning: type qualifiers ignored on function return type
In file included from eigen3/build/eigen/Eigen/Core:249,
                 from eigen3/build/eigen/Eigen/QR:4,
                 from eigen3/build/eigen/unsupported/test/../../test/main.h:162,
                 from eigen3/build/eigen/unsupported/test/polynomialsolver.cpp:25:
eigen3/build/eigen/Eigen/src/Core/DenseStorageBase.h: In member function 'void 
Eigen::DenseStorageBase<Derived>::resize(typename Eigen::ei_traits<Derived>::Index)':
eigen3/build/eigen/Eigen/src/Core/DenseStorageBase.h:187: error: template argument 1 is invalid
eigen3/build/eigen/Eigen/src/Core/DenseStorageBase.h: In member function 'void 
Eigen::DenseStorageBase<Derived>::_init2(const typename Eigen::ei_traits<Derived>::Scalar&, const typename 
Eigen::ei_traits<Derived>::Scalar&, typename Eigen::ei_enable_if<(Eigen::ei_dense_xpr_base::type::SizeAtCompileTime == 
2), T0>::type*)':
eigen3/build/eigen/Eigen/src/Core/DenseStorageBase.h:493: error: template argument 1 is invalid
make[3]: *** [unsupported/test/CMakeFiles/polynomialsolver_9.dir/polynomialsolver.cpp.o] Error 1
make[2]: *** [unsupported/test/CMakeFiles/polynomialsolver_9.dir/all] Error 2
make[1]: *** [test/CMakeFiles/check.dir/rule] Error 2
make: *** [check] Error 2


Is this a known issue/bug with older compilers?

Thanks,
Radu.
--
| Radu Bogdan Rusu | http://rbrusu.com/