troubleshoot linkages

On Thu, Sep 23, 2021 at 07:42:36PM -0700, Dow Drake wrote:
> gnucap-modelgen d_diode.model
> make: *** [Makefile:101: d_diode.cc] Segmentation fault (core dumped)

I think gnucap-modelgen is looked for in $PATH, which I think is set
correctly, or it wouldn't have found gnucap-conf. perhaps there is a
library confusion. check LD_LIBRARY_PATH. it should include
/home/dow/local/lib (or so). try

$ which gnucap-modelgen
$ ldd `which gnucap-modelgen`