Package: libatlas3-base Version: 3.10.3-9 I tried to work on the scilab package, but couldn't get very far : for some reason, the configure script was failing to detect the umfpack library. But looking in config.log, I found out the reason was that the BLAS used is atlas, and linking to it gives many undefined references :
configure:30844: gcc -o conftest -g -O2 -fdebug-prefix- map=/home/jpuydt/Debian/build/scilab-6.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -Wl,- z,relro -Wl,-z,now -Wl,--no-as-needed conftest.c -lumfpack -lamd -lblas -lpthread -ldl -lcurses -lm -lm >&5 /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dgeset' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dgemoveT' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_cscal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_sger' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_cgeset' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dtrscal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_cgemaxnrm' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zgeru' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_cgemoveT' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dgemaxnrm' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zcplxdivide' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_sgemaxnrm' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_csqtrans' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zGetNB' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_sscal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dGetNB' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dger' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_ztrscal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_ssqtrans' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_ccplxdivide' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dgezero' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dscal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_cgeru' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_sgeset' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_sgezero' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zscal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_xerbla' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_ctrscal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zgemaxnrm' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_cgezero' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zgezero' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dgescal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_ccplxinvert' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zgemoveT' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_dsqtrans' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zgeset' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_cGetNB' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_sGetNB' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_strscal' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zcplxinvert' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_zsqtrans' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_sgemoveT' /usr/bin/ld: /lib/x86_64-linux-gnu/liblapack.so.3: undefined reference to `ATL_sgescal' collect2: error: ld returned 1 exit status I tried to make a simpler failing test.c: int umfpack_di_solve(); int main() { return umfpack_di_solve(); } compiles with gcc -o test test.c -lumfpack doesn't compile with gcc -o test test.c -lumfpack -lblas compiles with gcc -o test test.c -lumfpack -llapack -lblas Hope it helps, JP