Dear Prof Ripley,
Thanks for the pointer to CXX1XFLAGS: it helped me solve the problem.
As usual, thanks for your prompt and helpful answer,
Best regards,
On 2014-09-26 11:30, Prof Brian Ripley wrote:
You have not given us the 'at a minimum' information required by the
posting guide, and it
You have not given us the 'at a minimum' information required by the
posting guide, and it is -O2 etc (not O2 and not -o2).
Also, cpp is the C pre-processor: if you mean C++, say so.
The default compiler flags are set by whoever compiled R: it is entirely
possibly they were set differently for
When I install an R package with cpp codes such as rrcov via CRAN (under
R 3.1.1, using no Makevars file and under Ubuntu 14.04 using GCC 4.8),
the cpp code is compiled with the -o3 flag (in fact, looking at the
Makeconf file this seem to again be the default since R 3.1.1) But when
I install m
