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G++ 6.0 asserts that the "this" pointer is non-null for member functions. Refactor methods that check if "this" is non-null to resolve this. winsup/cygwin/ChangeLog: external.cc (cygwin_internal): Check for a null pinfo before calling cmdline. fhandler_dsp.cc (Audio::blockSize): Make static. fhandler_dsp.cc (Audio_in): add default_buf_info. fhandler_dsp.cc (Audio_out): Ditto. fhandler_dsp.cc (Audio_out::buf_info): Refactor method to call default_buf_info if dev_ is null. fhandler_dsp.cc (Audio_in::buf_info): Ditto. fhandler_dsp.cc (fhandler_dev_dsp::_ioctl): Call Audio_out::default_buf_info if audio_out_ is null. fhandler_dsp.cc (fhandler_dev_dsp::_ioctl): Call Audio_in::default_buf_info if audio_in_ is null. fhandler_process.cc (format_process_fd): Check if pinfo is null. fhandler_process.cc (format_process_root): Ditto. fhandler_process.cc (format_process_cwd): Ditto. fhandler_process.cc (format_process_cmdline): Ditto. signal.cc (tty_min::kill_pgrp): Ditto. signal.cc (_pinfo::kill0): Ditto. sigproc.cc (pid_exists): Ditto. sigproc.cc (remove_proc): Ditto. times.cc (clock_gettime): Ditto. times.cc (clock_getcpuclockid): Ditto. path.cc (cwdstuff::override_win32_cwd): Check if old_cwd is null. path.cc (fcwd_access_t::Free): Factor null check of "this" out to caller(s). pinfo.cc (_pinfo::exists): Ditto. pinfo.cc (_pinfo::fd): Ditto. pinfo.cc (_pinfo::fds): Ditto. pinfo.cc (_pinfo::root): Ditto. pinfo.cc (_pinfo::cwd): Ditto. pinfo.cc (_pinfo::cmdline): Ditto. signal.cc (_pinfo::kill): Ditto. pinfo.cc (_pinfo::commune_request): remove non-null check on "this", as this method is only called from pinfo.cc after null checks pinfo.cc (_pinfo::pipe_fhandler): remove non-null check on "this", as this method is only called from pipe.cc (fhandler_pipe::open) after a null check. Signed-off-by: Peter Foley <pefoley2@pefoley.com>
README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.