$ /pre-inst-env guix build shogun [...] [ 50%] Building CXX object src/shogun/CMakeFiles/libshogun.dir/mathematics/linalg/ratapprox/logdet/opfunc/DenseMatrixExactLog.cpp.o cd /tmp/guix-build-shogun-6.1.3.drv-0/build/src/shogun && /gnu/store/cfdn69spjc44x4sd0acrwhxq6yay3rbc-gcc-5.5.0/bin/c++ -I/tmp/guix-build-shogun-6.1.3.drv-0/shogun-6.1.3/src -I/tmp/guix-build-shogun-6.1.3.drv-0/build/src -I/tmp/guix-build-shogun-6.1.3.drv-0/shogun-6.1.3/src/gpl -isystem /gnu/store/iwzn3vhwmzkvhq7sqs6c4bjp2xld17kc-eigen-3.3.4/include/eigen3 -isystem /gnu/store/5s9am1dgn83wj5q5kwfcasqws8zd85zz-rxcpp-4.0.0 -I/gnu/store/mllyvfy39npzra984jsmcm8ksn3x8094-glpk-4.65/include -I/gnu/store/wnw0gv5hgmhlw3jz1pgw4n017bhj9f2z-arpack-ng-3.5.0/lib/../include -I/gnu/store/mv9m6bxdhijhlfvxpja3km6v599b4pv5-libxml2-2.9.7/include/libxml2 -I/gnu/store/27jrvwbg5xa9la6jwnqz6ys4k7pfyykl-hdf5-1.8.19/include -I/gnu/store/9hd38bkw8bq8gq6lcv6vd8xjpcsbyzlm-zlib-1.2.11/include -I/gnu/store/77l8sxh9py133cy1p9kypshji4q9wv0w-bzip2-1.0.6/include -I/gnu/store/kgaf671a9a76k0ql1pwwjxjbj80x22mj-xz-5.2.3/include -I/gnu/store/33m86ycak50vh2p0q7qb0byh990hrkjn-lzo-2.10/include -Wall -Wno-unused-parameter -Wformat -Wformat-security -Wparentheses -Wshadow -Wno-unknown-pragmas -Wno-deprecated -O2 -g -DNDEBUG -fPIC -fopenmp -std=c++11 -o CMakeFiles/libshogun.dir/mathematics/linalg/ratapprox/logdet/opfunc/DenseMatrixExactLog.cpp.o -c /tmp/guix-build-shogun-6.1.3.drv-0/shogun-6.1.3/src/shogun/mathematics/linalg/ratapprox/logdet/opfunc/DenseMatrixExactLog.cpp /tmp/guix-build-shogun-6.1.3.drv-0/shogun-6.1.3/src/shogun/mathematics/linalg/ratapprox/logdet/opfunc/DenseMatrixExactLog.cpp:15:45: fatal error: unsupported/Eigen/MatrixFunctions: No such file or directory compilation terminated. make[2]: *** [src/shogun/CMakeFiles/libshogun.dir/build.make:11456: src/shogun/CMakeFiles/libshogun.dir/mathematics/linalg/ratapprox/logdet/opfunc/DenseMatrixExactLog.cpp.o] Error 1 make[2]: *** Waiting for unfinished jobs.... make[2]: Leaving directory '/tmp/guix-build-shogun-6.1.3.drv-0/build' make[1]: *** [CMakeFiles/Makefile2:126: src/shogun/CMakeFiles/libshogun.dir/all] Error 2 make[1]: Leaving directory '/tmp/guix-build-shogun-6.1.3.drv-0/build' make: *** [Makefile:153: all] Error 2 phase `build' failed after 493.7 seconds builder for `/gnu/store/mjnmhzdx6zmwcvspmljsrjw2aazfvnv7-shogun-6.1.3.drv' failed with exit code 1 @ build-failed /gnu/store/mjnmhzdx6zmwcvspmljsrjw2aazfvnv7-shogun-6.1.3.drv - 1 builder for `/gnu/store/mjnmhzdx6zmwcvspmljsrjw2aazfvnv7-shogun-6.1.3.drv' failed with exit code 1 guix build: error: build failed: build of `/gnu/store/mjnmhzdx6zmwcvspmljsrjw2aazfvnv7-shogun-6.1.3.drv' failed