[pdp-discuss] Extending PDP with external libraries

[Frank Leoné]

Hello to you all,

I'm trying to extend PDP++ with extra mathematical operations, especially 
solving linear systems of matrices. To do so, I need libraries like TNT 
(http://math.nist.gov/tnt/), Lapack++ (http://lapackpp.sourceforge.net/) or 
newmat (http://www.robertnz.net/nm10.htm). But if I try to include 
"tnt/tnt.h" in, for example, stats.h and run make all, I get the following 
errors:

error: cstdlib: No such file or directory
error: iomanip: No such file or directory
error: iostream: No such file or directory

etc., for all the default C++ libraries, even though they are installed (in 
/usr/include/c++/4.1). If I make come code myself, include the same library 
and compile it using g++ without any arguments I don't get any errors at 
all. So the makefile seems to miss the default libraries.

How can this be? And, more importantly, how can it be solved? I tried to 
include the usr/include-dir in the makefile, but it didn't help.

Thanks in advance, I really appreciate it,

       with kind regards,

             Frank

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