[Clas_offline] C++ fnc call from Fortran

[Eugene Pasyuk]

It could not find gfortrna library

Try this:
Replace
 g++ -o test_run test_f.o test_c++.o
with
gfortran -o test_run test_f.o test_c++.o

-Eugene

Taisiya Mineeva wrote:
> Dear All,
>
> Thank you for your prompt reponse.
>
> As for the test programm following compiles/links and produces correct
> output:
>> g++ -c test_c++.cc
>> g77 -c test_f.f
>> g++ -o test_run test_f.o test_c++.o
>
> When using gfortran instead of g77, I have following:
>> g++ -c test_c++.cc
>> gfortran -c test_f.f
>> g++ -o test_run test_f.o test_c++.o
> test_f.o: In function `mymain_':
> test_f.f:(.text+0x2e): undefined reference to `_gfortran_copy_string'
> collect2: ld returned 1 exit status
>
> I am not an expert with fortran, but for the reference, the test programm
> is in : /u/home/mineeva/Lepto/TEST.
>
> Thank you in advance,
> Taya
>
>
>> Hello,
>>
>> I am writing to you with the question concerning calling a C++/ROOT
>> function in Fortran code.
>>
>> I have a working test example of an external C++ function that is called
>> in Fortran. This compiles/links well with g77/g++. However, the same
>> procedure for compiling and linking does not work with gfortran/g++.
>>
>> My problem is that in order to compile Lepto generator (Fortran), where I
>> am calling a C++ fnc, I need to use a set of cernlibs that have been
>> compiled with gfortran. But the call in Fortran to C++ function does not
>> compiles with gfortran.
>>
>> I would appreciate some guidance as to how proceed with gfortran/g++ on
>> JLab CUE to call C++ from Fortran.
>>
>> Thank you in advance,
>> Taya
>>
>>
>>
>>
>>
>
>
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