Dear all,
I am developing a R package using RcppEigen on Ubuntu 18.04. Since update
0.3.3.4.0 I get hundreds of warnings but if I add PKG_CXXFLAGS =
-Wno-ignored-attributes in Makevars the warnings disappear and the compile
time reduces a lot.
devtools::check() gives the warning below:
checking compilation flags in Makevars ... WARNING
Non-portable flags in variable 'PKG_CXXFLAGS':
-Wno-ignored-attributes
I know I can only address the flag via my local compiler options. But
should I mentioned it to the package README? Is there anything else I could
do to overcome the problem with the hundreds of warning messages for the
other users that install the package for the first time?
Thanks in advance,
Chalkis Apostolos
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