error: Could not locate SuperLU

configuring with --with-superlu

checking for dsp_defs.h... no
checking for pdsp_defs.h... no
checking for util.h... no
configure: error: Could not locate SuperLU

but I have superlu installed (https://crd-legacy.lbl.gov/~xiaoye/SuperLU/)

 * Searching for superlu ...
 * Contents of sci-libs/superlu-5.2.2:
/usr/include/superlu/slu_Cnames.h
/usr/include/superlu/slu_cdefs.h
/usr/include/superlu/slu_dcomplex.h
/usr/include/superlu/slu_ddefs.h
/usr/include/superlu/slu_scomplex.h
/usr/include/superlu/slu_sdefs.h
/usr/include/superlu/slu_util.h
/usr/include/superlu/slu_zdefs.h
/usr/include/superlu/superlu_enum_consts.h
/usr/include/superlu/supermatrix.h
/usr/lib/debug/usr/lib64/libsuperlu.so.5.2.2.debug
/usr/lib64/cmake/superlu/superluConfig.cmake
/usr/lib64/cmake/superlu/superluConfigVersion.cmake
/usr/lib64/cmake/superlu/superluTargets-gentoo.cmake
/usr/lib64/cmake/superlu/superluTargets.cmake
/usr/lib64/libsuperlu.so -> libsuperlu.so.5
/usr/lib64/libsuperlu.so.5 -> libsuperlu.so.5.2.2
/usr/lib64/libsuperlu.so.5.2.2
/usr/lib64/pkgconfig/superlu.pc
/usr/share/doc/superlu-5.2.2/README