[R] Problems embedding R in a C application

[Neil Osborne]

Hello,

I've encountered two serious issues that have stopped me in my tracks, and I 
would be most grateful to anyone who can provide some answers.

I am using the examples provided on the page "Testing the Embeddable R 
Library". I am writing a C application, that I want to embedd R into (I'm 
not interested in embedding my application in R, that's not an option). I'm 
developing on a Win2K box. The two problems I've hit (so far!) are these:

Macro definition (R is using a macro already defined in one of the core 
windows libraries)
Unresolved external - missing definition for func Rf_initEmbeddedR which is 
prototyped as an extern in EmbeddedRCall.c


Here are the issues again (in more detail)
===========================================================

1. Macro re-definition

In file ..\include\R_ext\RS.h

the line (37):

#define ERROR			),error(R_problem_buf);}


causes this problem :

warning C4005: 'ERROR' : macro redefinition
        d:\visualstudio\vc98\include\wingdi.h(93) : see previous definition 
of 'ERROR'



2. Unresolved external:

unresolved external symbol _Rf_initEmbeddedR

This function is not defined anywhere. Does anyone know how I can init a 
"session" of R in "embedded" mode (i.e. no direct writing to the console 
etc) ?


Any help is very welcome


Many thanks in advance




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