On Tue, Jun 3, 2008 at 22:05, Philippe Suter <psuter@xxxxxxxxxxxxx> wrote: > I tried compiling a C++ project using the --combine and > --whole-program flags, and passing all source files at once, but I get > linker errors for essentially all functions called from main(). I seem > to remember that I read somewhere that --combine and --whole-program > only work with C code.. Is this a confirmed fact and the reason I'm > getting these errors, or am I missing something? Yes. The --combine option only ever worked in C. We are working on proper link-time optimization support, but this will not be ready for a while. See http://gcc.gnu.org/wiki/whopr for details. Diego.
