Aaron W. LaFramboise wrote: > When building libjava stacktrace.o on i386-pc-mingw32, bootstrap fails > with: > >> ./sysdep/backtrace.h: In function '_Unwind_Reason_Code >> fallback_backtrace(_Unwind_Reason_Code (*)(_Unwind_Context*, void*), >> _Jv_UnwindState*)': >> ./sysdep/backtrace.h:107: error: ISO C++ forbids taking address of >> function '::main' > > On mingw32, backtrace.h is a symlink or copy to i386/backtrace.h, which > is what has this problem: > >> if (ctx.meth_addr == (_Jv_uintptr_t)jv_runmain >> || ctx.meth_addr == (_Jv_uintptr_t)_Jv_ThreadStart >> || (ctx.meth_addr - (_Jv_uintptr_t)main) < 16) >> break; > > The code needs the address of main to stop the unwind. What is the > proper way to suppress this warning? __extension__ doesn't seem to help. > > (I'm actually not sure what has changed to cause this warning to start > happening now.)
Please send the command line that led to this. Thanks, Andrew.