Re: Build failure: src/gdb ChangeLog record.c gcore.c gcore.h

[Michael Snyder <msnyder@vmware.com>]

Hui Zhu wrote:
> I try in cygwin with:
> configure --disable-sid --disable-rda --disable-binutils --disable-gas
> --disable-ld --disable-gprof --enable-targets=all --enable-64-bits-bfd
> CFLAGS=-g
> configure --disable-sid --disable-rda --disable-binutils --disable-gas
> --disable-ld --disable-gprof
> 
>  Build is OK.
> 
> $ ./gdb
> GNU gdb (GDB) 7.0.50.20091025-cvs
> Copyright (C) 2009 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "i686-pc-cygwin".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>.
> Setting up the environment for debugging gdb.
> No symbol table is loaded.  Use the "file" command.
> Make breakpoint pending on future shared library load? (y or [n])
> [answered N; input not from terminal]
> No symbol table is loaded.  Use the "file" command.
> Make breakpoint pending on future shared library load? (y or [n])
> [answered N; input not from terminal]
> /home/hzhu/gdb/bgdbcygwin/gdb/.gdbinit:8: Error in sourced command file:
> No breakpoint number 0.
> (gdb)
> 
> I think in gcore.o, there is not some host-special code.  Just some target hook.
> I suggest mv gcore.o to makefile.in and add code to check return value
> in record.o when call gcore function.
> What do you think about it?

Can't be done.  gcore depends on some callbacks that
are not implemented for cygwin.