[petsc-dev] [GPU] Cusp default configuration is broken

[Leoni, Massimiliano]

Hi all,

I came across this [alleged] bug when installing petsc with GPU support: if I run configure with option -with-cusp-include=... it complains I should also set -with-cusp-lib, but cusp is a pure template library, so there is no static or shared library to link against.
As an alternative, it offers to specify -with-cusp-dir=CUSP_DIR , and then it tries to guess the include directory as $CUSP_DIR/include, which is wrong as in current CUSP version the directory containing the headers is $CUSP_DIR/cusp.

An easy workaround is to go to $CUSP_DIR and create a symbolic link $CUSP_DIR/include that points to $CUSP_DIR/cusp, but I think the configure script should be corrected [one might not always have permission to create this link.

Best,

Massimiliano
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