I am attempting to bring R-3.0.2 functionality into a project with a very
large C++ codebase. The existing codebase already has a LENGTH function
defined. R also defines a LENGTH function.
I first compiled R as a shared library and linked it into this existing
codebase, along with RInside. When I run a parseEvalQ with a linear model
command it will stack dump. Looking at the backtrace, what is happening is
that line 51 of lm.c is executing:
if(n) ny = LENGTH(y)/n; /* n x ny, or a vector */
However, the LENGTH call is getting routed into our internal codebase.
This causes a stack dump.
I then tried compiling R as a static library. After that I couldn't even
compile my existing code because it flags the issue right off the bat:
... error: declaration of C function 'int LENGTH(const ... *)' conflicts
with
... /r/lib64/R/include/Rinternals.h:435: error: previous declaration 'int
LENGTH(SEXPREC*)' here
It is not possible to remove/rename the LENGTH function from the existing
codebase. Any help would be appreciated in resolving this.
Thanks.
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