Dear all,
I have an R package that I plan to submit to CRAN in the near future, but it
gave me a note when I ran "R CMD check --as-cran" saying that my libs directory
is 7.0Mb. I wrote some functions in C++ and my source code included several
low-level C++ libraries as header files. When I compiled manually using g++
without the -g flag, my shared library (.so) was about 400Kb; but when I
compiled with the -g flag, it was about 7.0Mb... I am assuming there was a lot
of debugging information created when I turned on -g, possibly because the
compiler had to look for a lot of classes and functions in low-level C++
libraries, but I am worried that the package would fail CRAN check due to the
large size .so file created (it seems R has -g flag on by default when
compiling C/C++ code according to ${R_HOME}/etc/Makeconf). Does anyone have any
suggestions on how I could possibly make my shared library file smaller? Even
though I can compile it manually without the -g flag, general users will !
use R default to install the package and it could take a lot of space. Thanks
in advance!
Best,
Han
-----
Han Chen, Ph.D.
Postdoctoral Research Fellow
Department of Biostatistics
Harvard School of Public Health
http://www.hsph.harvard.edu/han-chen/
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