Created attachment 211 [details] Patch for eigen2-2.0.16 that fixes the issue. The pkg-config file of Eigen2 declares a fixed include path like Cflags: -I/usr/include/eigen2 while standard practice is to declare it with variables, like: prefix=/usr includedir=${prefix}/include Cflags: -I${includedir}/eigen2 Cross-compiling tools like dpkg-cross rely on the standard layout to re-base compiler and linker paths from /usr to /usr/${triplet} and can't perform their job if the path is fixed. I've attached a patch to fix this issue.
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