Dear R developers, I plan to upload a first version of my R package RnavGraph to the R CRAN server in a week or two. However I'm still struggling with an image resizing function written in C as a tcl extension. I did all my development in Ubuntu, and everything works fine in Ubuntu, however my attempts to compile this C function under Windows or OSX have all failed.
I provide a minimal self contained example at the end of this post. I also wrapped this example in a minimal R package (less than 20 lines of code!) and it can be downloaded at http://www.waddell.ch/RnavGraph/TclHelloWorld.zip Can somebody help me to get this package to compile correctly under Linux, Windows and OSX? (i.e. writing a configure script with the correct compile commands). Thanks, Adrian Waddell ########################### C Code (save as hello.c): #include <tcl.h> static int Hello_Cmd(ClientData cdata, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Tcl_SetObjResult(interp, Tcl_NewStringObj("Hello, World!", -1)); return TCL_OK; } int DLLEXPORT Hello_Init(Tcl_Interp *interp) { Tcl_CreateObjCommand(interp, "hello", Hello_Cmd, NULL, NULL); return TCL_OK; } which can be compiled (under Ubuntu 10.04) with: gcc -shared -o hello.so -DUSE_TCL_STUBS -I/usr/include/tcl8.5/ hello.c -L/usr/lib/ -ltclstub8.5 -fPIC and used within an R session with library(tcltk) .Tcl('load ./hello[info sharedlibextension]') tcl('hello') ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
