config_query_option NGSPICE_EXP                                                                              \
                   "Enables experimental code?"  n                                                           \
                   "--enable-experimental" ""                                                                &&

config_query_option NGSPICE_SQRT                                                                             \
                    "Use always log/exp for non-linear capacitances?"  n                                     \
                    "--enable-nosqrt" ""                                                                     &&

config_query_option NGSPICE_BYPASS                                                                           \
                    "Don't bypass recalculations of slowly changing variables?"  n                           \
                    "--enable-nobypass" ""                                                                   &&

config_query_option NGSPICE_CAPBYPASS                                                                        \
                    "Bypass calculation of cbd/cbs in the mosfets if the vbs/vbd voltages are unchanged?" n  \
                    "--enable-capbypass" ""                                                                  &&

config_query_option NGSPICE_CAPZERO                                                                          \
                    "Bypass all the cbd/cbs calculations if Czero is zero?" n                                \
                    "--enable-capzerobypass" ""                                                              &&

config_query_option NGSPICE_DELIMIT                                                                          \
                    "Enable experimental damping scheme?" n                                                  \
                    "--enable-nodelimiting"                                                                  &&

config_query_option NGSPICE_PREDICT                                                                          \
                    "Enable a predictor method for convergence?" n                                           \
                     "--enable-predictor" ""                                                                 &&

config_query_option NGSPICE_NEWTRUNC                                                                         \
                    "Enable the newtrunc option" n                                                           \
                    "--enable-newtrunc" ""                                                                   &&

config_query_option NGSPICE_SENSE2                                                                           \
                    "Use spice2 sensitivity analysis?" n                                                     \
                    "--enable-sense2" ""                                                                     &&

config_query_option NGSPICE_INTNOISE                                                                         \
                    "Enable noise integration in noise analysis?" n                                          \
                    "--enable-intnoise" ""                                                                   &&

config_query_option NGSPICE_XSPICE                                                                           \
                    "Enable XSpice enhancements? (experimental)" y                                           \
                    "--enable-xspice" ""                                                                     &&

config_query_option NGSPICE_CIDER                                                                            \
                    "Enable CIDER enhancements? (experimental)" y                                            \
                    "--enable-cider" ""                                                                      &&

config_query_option NGSPICE_CLUSTER                                                                          \
                    "Enable cluster support? (experimental)" n                                               \
                    "--enable-cluster" ""                                                                    &&

config_query_option NGSPICE_NUMPARM                                                                          \
                    "Enable numparams library support? (experimental)" n                                     \
                    "--enable-numparam" ""                                                                   &&

config_query_option NGSPICE_XGRAPH                                                                           \
                    "Compile the Xgraph plotting program?" n                                                 \
                    "--enable-xgraph" ""                                                                     &&

config_query_option NGSPICE_GLOBAL                                                                           \
                    "Allows the use of the .global keyword?" n                                               \
                    "--enable-dot-global" ""