Re: How to declare Fortran subroutine in C++ compiler??

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Bernard Leclerc (bleclerc++at++poster.cae.ca)
Mon, 23 Jun 1997 09:58:38 -0400

Ren-Jye Yu wrote:

> I have a math subroutine which is written by Fortran. I use C++
> compiler to compile my Performer program. This math routine is part of my
> main(). When I compile this mixed language program, I get a unresolved "routine
> name" error.
>
> I declare this math routine as "extern int simmain()" in main.c. I

        Try declaring your routine

                extern "C" int simmain_(void);

        On SGI, the FORTRAN compiler appends an underscore to the subroutine name.

> compiled it by using f77, Fortran compiler. I put the simmain.o and -lF77,
> -lU77, -lI77,-lisam, -lm in the CC command line. I also tried to switch the
> location of simmain.o and main.o in the CC command line.
>
> Do I make any mistake? Or I forgot somethings else? I successed in
> compiling the C and Fortran mixed program. I realy need your help. I will very
> appreciate for you help. Have a nice day.

-- 
Bernard Leclerc, Technical Leader, 3-D Graphics Applications
CAE Electronics Ltd. (http://www.cae.ca)
8585 Cote De Liesse, Saint-Laurent, Quebec, Canada, H4L-4X4
tel: +1 514 341 2000 extension 2275, fax: +1 514 340 5496
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