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Problems to compile FORTE+Modbus [message #1838541]

Mon, 01 March 2021 08:28

Yang Fan

Messages: 2
Registered: March 2021

Junior Member

Hello 4diac Team,

I have tried to compile FORTE+Modbus from forte-incubation_1.13.0 but the process stops and the log shows:

[ 99%] Built target FORTE_LITE
[ 99%] Linking CXX executable forte.exe
C:/mingw/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/Users/yangfan4/Downloads/libmodbus-3.1.6/libmodbus-3.1.6/src/libmodbus/lib/modbus.lib when searching for -lmodbus
C:/mingw/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/Users/yangfan4/Downloads/libmodbus-3.1.6/libmodbus-3.1.6/src/libmodbus/lib/modbus.dll when searching for -lmodbus
C:/mingw/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/Users/yangfan4/Downloads/libmodbus-3.1.6/libmodbus-3.1.6/src/libmodbus/lib/modbus.lib when searching for -lmodbus
C:/mingw/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/Users/yangfan4/Downloads/libmodbus-3.1.6/libmodbus-3.1.6/src/libmodbus/lib/modbus.dll when searching for -lmodbus
C:/mingw/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/Users/yangfan4/Downloads/libmodbus-3.1.6/libmodbus-3.1.6/src/libmodbus/lib\modbus.lib when searching for -lmodbus
C:/mingw/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lmodbus
collect2.exe: error: ld returned 1 exit status
make[2]: *** [src/CMakeFiles/forte.dir/build.make:1173: src/forte.exe] Error 1
make[1]: *** [CMakeFiles/Makefile2:2099: src/CMakeFiles/forte.dir/all] Error 2
make: *** [Makefile:149: all] Error 2

Best Regards,

Fan Yang

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Re: Problems to compile FORTE+Modbus [message #1838581 is a reply to message #1838541]

Mon, 01 March 2021 21:16

Alois Zoitl

Messages: 1209
Registered: January 2014

Senior Member

Hi,

from the output it seems that the lib you are using is not the right lib for your platform. Furthermore please note that in the official 1.13.0 release there are several issues with modbus support in 4diac FORTE. This will be fixed for 1.14.0. If you want to already test these fixes, please get the 1.14.x branch from our git repo.

Cheers,
Alois

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Re: Problems to compile FORTE+Modbus [message #1838588 is a reply to message #1838581]

Tue, 02 March 2021 05:08

Yang Fan

Messages: 2
Registered: March 2021

Junior Member

Hi,
I got the libmoudbus URL [1] from 4DIAC's Modbus introduction [2], and downloaded the windows version package. However, after compiling, it says that the package cannot be found. I would like to ask how to obtain the correct modbus support library?

[1] https://github.com/stephane/libmodbus/releases/tag/v3.1.6
[2] https://www.eclipse.org/4diac/en_help.php?helppage=html/communication/modbus.html

Best Regards,
Fan Yang

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Re: Problems to compile FORTE+Modbus [message #1838597 is a reply to message #1838588]

Tue, 02 March 2021 07:57

Alois Zoitl

Messages: 1209
Registered: January 2014

Senior Member

I must say I never used libmodbus on Windows. I assume you compiled libmodbus with the same compiler that you used for FORTE?

Anyone else who can help here?

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