[GRASS5] test module linking problem

[Glynn Clements]

manderso at cs.wisc.edu wrote:

> I've been trying to get just a tiny little baby test grass module to
> compile, and I'm running into a linking problem.  I attempted to compile the
> program:
> 
>   g++ -c -o pointdump.o pointdump.cpp -I/scratch/grass/src/grass5.0.1/src/include
> 
> and then to link it:
> 
>   g++ -L/scratch/grass/src/grass5.0.1/src/libes/LIB.i686-pc-linux-gnu\
>       -L/u/m/a/manderso/grass/lib\
>       -L/s/lapack/lib\
>       -o pointdump\
>       pointdump.o\
>       -lvect -ldig2 -lgis -ldig_atts\
>       /scratch/grass/src/grass5.0.1/src/libes/vect32/libes/LIB.i686-pc-linux-gnu/libtrans.a\
>       -lvask -lncurses -ltermcap -lbsd-compat -lm  -lz
>   pointdump.o: In function `main':

The GRASS headers don't explicitly support C++, so you need to include
them using e.g.:

	extern "C" {
	#include "gis.h"
	}

-- 
Glynn Clements <glynn.clements at virgin.net>