Re: [Gnucap-devel] plugin not found in MinGW

[Patrick Mulder]

On Sun, Jun 30, 2019 at 1:29 PM Patrick Mulder <address@hidden>
wrote:

>
>
> On Sun, Jun 30, 2019 at 11:31 AM Felix Salfelder <address@hidden>
> wrote:
>
>> On Sun, Jun 30, 2019 at 11:23:14AM +0200, Patrick Mulder wrote:
>> > Hello,
>> >
>> > now after some tweaks and a complete build cycle, I am able to start
>> > gnucap.exe
>>
>> cool!
>>
>> > but it gives:
>> >
>> > λ ./gnucap.exe
>> > Gnucap : The Gnu Circuit Analysis Package
>> > Never trust any version less than 1.0
>> > Copyright 1982-2013, Albert Davis
>> > Gnucap comes with ABSOLUTELY NO WARRANTY
>> > This is free software, and you are welcome
>> > to redistribute it under the terms of
>> > the GNU General Public License, version 3 or later.
>> > See the file "COPYING" for details.
>> > main version: cmake-2 2017.10.18
>> > core-lib version: cmake-2 2017.10.18
>> > load gnucap-default-plugins.dll
>> >      ^ ? plugin not found in /usr/local/lib/gnucap
>> >
>> > Maybe some function to load the dll is missing (I saw a message about
>> > dlopen missing earlier in the build)
>>
>> Hi Patrick
>>
>> I dont know exactly what the dlopen message is about. note that we
>> emulate POSIX dlopen on mingw (see include/md.h).
>>
>> you could check if the plugins have been installed to some other place.
>> in that case, try
>> $ GNUCAP_PLUGPATH=/actual/plugin/install/path gnucap.exe
>>
>> the .dll extension might some of the logic behind it. I am not sure if
>> anybody ever tested this.
>
>
> for some reason the findfile does not work on the MinGW env
>
>  std::string path = plug_path();
> full_file_name = findfile(short_file_name, path, R_OK);
> if (full_file_name != "") {
>  // found it, with search
> }else{untested();
>  cmd.reset(here);
>  throw Exception_CS("plugin findfile (" + short_file_name + " ) not found
> in " + path, cmd);
> }
>       }
>
> Will have to check later for options (note: maybe the exception should
> mention findfile error as the branch is different from the . or / file
> access)
>

Actually, it works with setting the GNUCAP_PLUGPATH (has to be the path not
the DLL ... sorry)

λ gnucap
Gnucap : The Gnu Circuit Analysis Package
Never trust any version less than 1.0
Copyright 1982-2013, Albert Davis
Gnucap comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome
to redistribute it under the terms of
the GNU General Public License, version 3 or later.
See the file "COPYING" for details.
main version: cmake-2 2017.10.18
core-lib version: cmake-2 2017.10.18
c:\Users\mulderpa\git\gnucap\build4\main
gnucap-default-plugins.dll
default plugins: cmake-2 2017.10.18
gnucap> build
>v1 1 0 5
>r1 1 0 10k
>
gnucap> print dc i(r1)
gnucap> dc v1 0 4 0.8
#           i(r1)
 0.         0.
 0.8        80.u
 1.6        160.u
 2.4        240.u
 3.2        320.u
 4.         400.u
gnucap>