Hazen Babcock ha scritto:
> Arjen Markus wrote:
>> Hi Davide, Hazen,
>>
>> yes, g77 is complaining because of the "implicit none" statements.
>> I have now added "external floor" and "real*8 floor", so the error
>> messages are gone.
>>
>> The second (warning) message is about calling plslabelfunc with a
>> literal 0, rather than a procedure name. gfortran ignores this,
>> but g77 gives a warning. I am not sure how to proceed here - I
>> will look into it later on.
>>
>> Regards,
>>
>> Arjen
>
> Now I get the following error message:
>
> [ 67%] Built target x18f
> Linking Fortran executable x19f.exe
> CMakeFiles\x19f.dir\x19f.f.obj:x19f.f:(.text+0x5b4): undefined reference
> to `plslabelfunc_none__'
> collect2: ld returned 1 exit status
> mingw32-make[2]: *** [examples/f77/x19f.exe] Error 1
> mingw32-make[1]: *** [examples/f77/CMakeFiles/x19f.dir/all] Error 2
> mingw32-make: *** [all] Error 2
>
> -Hazen
Hi, that is probably due to the old-fashioned external name behavior of g77:
1. a f77 call to a function whose name does not contain underscores
translates to a call to a C function with the same name in lowercase
with an appended underscore
2. a f77 call to a function whose name contains underscores translates
to a call to a C function with the same name in lowercase with TWO
appended underscores
Most of the other fortran compilers used on Linux, including gfortran,
behave as in 1, even when one or more underscores are present in the
name; the simplest solution is to always use the -fno-second-underscore
parameter with g77, which could however not work on very old
implementations of g77. Alternatively, I do not know whether cmake
provides some tests and conditions on the fortran compilers for these
kind of things, I am not familiar with cmake, autoconf does.
bye, Davide
--
============================= Davide Cesari ============================
Servizio IdroMeteorologico ARPA Emilia Romagna
Area Modellistica Numerica e Radarmeteorologia
Phone/Fax: +39 051525926/+39 0516497501
E-mail: dces...@arpa.emr.it
Home page: http://www.webalice.it/o.drofa/davide/
Address: ARPA-SIM, Viale Silvani 6, 40122 Bologna, Italy
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