I need to make some changes to stripper tonight. Just to give you a heads up.
On Mon, Nov 28, 2016 at 2:13 PM Dean Bodenham <deanbodenhamb...@gmail.com> wrote: > Dear Dirk, > > Thank you for your last email - your suggestion worked perfectly! > > To be clear (for others), creating a ~/.R/Makevars file containing: > > DYLIB_LDFLAGS = -shared -fopenmp# $(CFLAGS) $(CPICFLAGS) > SHLIB_CXXLDFLAGS = -shared > SHLIB_CXX1XLDFLAGS = -shared > SHLIB_FCLDFLAGS = -shared > SHLIB_LDFLAGS = -shared# $(CFLAGS) $(CPICFLAGS) > PKG_LIBS= -Wl,-S > > (where the first five lines are from /etc/R/Makeconf) resulted in a much > smaller ffstream.so for me on Ubuntu 16.04. > > I have just started playing around with Dan's r-stripper, but have not > quite got it working yet. > > Dean > > On Sat, Nov 26, 2016 at 4:59 PM, Dan Dillon <dcdil...@gmail.com> wrote: > > Dean, > > I too have been concerned about this and working on a solution for some > time. I just formalized my work and put it in a repo at > https://github.com/dcdillon/r-stripper. Basically this script adds the > appropriate commands to the PKG_LIBS variable to cause the linker to strip > the debugging symbols from the shared library that is created. > > Feel free to try it out. Right now it only knows how to do this for gcc, > g++, clang, and clang++ but adding others is no problem as long as I know > how to figure out which linker it is and know the option to pass to the > linker to achieve "stripping". > > Thanks, > > Dan > > On Sat, Nov 26, 2016 at 7:55 AM, Dirk Eddelbuettel <e...@debian.org> wrote: > > > On 26 November 2016 at 12:22, Dean Bodenham wrote: > | Dear Dirk, > | > | Thank you very much for your detailed replies! > | > | The Ubuntu system does indeed seem to be using the -g flag. I did try a > local > | compile/installation with the ~/.R/Makevars file you suggested, but > couldn't > | quite get it to work - I get warnings "linking not done" for the .o > files, and > | then an error that the "ffstream.so" file is not found. > > Well "it worked me for" but a better approach entirely outside of your > package may be to take > > edd@max:~$ grep shared /etc/R/Makeconf > DYLIB_LDFLAGS = -shared -fopenmp# $(CFLAGS) $(CPICFLAGS) > SHLIB_CXXLDFLAGS = -shared > SHLIB_CXX1XLDFLAGS = -shared > SHLIB_FCLDFLAGS = -shared > SHLIB_LDFLAGS = -shared# $(CFLAGS) $(CPICFLAGS) > edd@max:~$ > > and add them to ~/.R/Makevars as > > DYLIB_LDFLAGS = -shared -fopenmp# $(CFLAGS) $(CPICFLAGS) > SHLIB_CXXLDFLAGS = -shared > SHLIB_CXX1XLDFLAGS = -shared > SHLIB_FCLDFLAGS = -shared > SHLIB_LDFLAGS = -shared# $(CFLAGS) $(CPICFLAGS) > > When I do that without/with the change I get > > edd@max:/tmp/ffstream$ ls -lh ffstream*/src/ffstream.so > -rwxrwxr-x 1 edd edd 9.0M Nov 26 07:52 ffstream.orig/src/ffstream.so > -rwxrwxr-x 1 edd edd 734K Nov 26 07:52 ffstream/src/ffstream.so > edd@max:/tmp/ffstream$ > > I think it is an issue worth raising with on r-devel and I may do so. > > Dirk > > -- > http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org > _______________________________________________ > Rcpp-devel mailing list > Rcpp-devel@lists.r-forge.r-project.org > https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel > > > >
_______________________________________________ Rcpp-devel mailing list Rcpp-devel@lists.r-forge.r-project.org https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
