clean: @echo "Deleting Sage library build artifacts..." rm -f c_lib/.sconsign.dblite find c_lib -name '*.os' | xargs rm -f find c_lib -name '*.so' | xargs rm -f rm -rf build find . -name '*.pyc' | xargs rm -f find . -name '*.pyx' | sed 's/pyx$$/c/' | xargs rm -f find . -name '*.pyx' | sed 's/pyx$$/cpp/' | xargs rm -f rm -rf sage/modular/arithgroup/farey_symbol.h rm -rf sage/rings/real_mpfi.h rm -rf sage/symbolic/pynac.h
