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Corinna Vinschen 935c33877d posix_spawn: fix get/set uid/gid calls for 32 bit Cygwin
32 bit Cygwin still exports function calls to support old applications.
E. g., when switching from 16 to 32 bit uid/gid values, new function
like getuid32 have been added and the old getuid function still only
provides 16 bit values.  Newly built applications using getuid are
actually calling getuid32.

However, this link magic isn't performed inside Cygwin itself, so if
newlib functions call getuid, they actually call the old getuid, not
the new getuid32.  This leads to truncated uid/gid values.

https://cygwin.com/pipermail/cygwin/2022-January/250453.html reports
how this leads to problems in posix_spawn.

Fix this temporarily. i686 support will go away soon in Cygwin and the
fix can be dropped.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2022-01-12 11:57:35 +01:00
.github/workflows Cygwin: Update CI configuration for python version change 2021-12-30 12:52:55 +00:00
config Sync with upstream gcc. 2016-06-23 15:54:55 -04:00
etc etc: switch to automake 2021-11-10 20:14:00 -05:00
include Sync with upstream gcc. 2016-06-23 15:54:55 -04:00
libgloss libgloss: hardcode AC_CONFIG_AUX_DIR path 2022-01-10 19:50:35 -05:00
newlib posix_spawn: fix get/set uid/gid calls for 32 bit Cygwin 2022-01-12 11:57:35 +01:00
texinfo * texinfo/texinfo.tex: Update to version 2009-03-28.05. 2009-04-21 12:36:46 +00:00
winsup posix_spawn: fix get/set uid/gid calls for 32 bit Cygwin 2022-01-12 11:57:35 +01:00
.appveyor.yml Cygwin: Update CI configuration for python version change 2021-12-30 12:52:55 +00:00
.gitattributes Add .gitattributes 2015-03-09 20:53:11 +01:00
.gitignore Cygwin: drop all generated autotools files 2021-04-29 11:16:38 +02:00
COPYING 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00
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COPYING.LIBGLOSS Update the address of the FSF in the copyright notice of files which were using the old address. 2021-11-10 20:14:00 -05:00
COPYING.NEWLIB RTEMS: Add <poll.h> and <sys/poll.h> 2021-01-05 13:41:34 -05:00
COPYING3 * COPYING3: New file. Contains version 3 of the GNU General Public License. 2007-07-17 13:50:23 +00:00
COPYING3.LIB * COPYING3: New file. Contains version 3 of the GNU General Public License. 2007-07-17 13:50:23 +00:00
ChangeLog Update the address of the FSF in the copyright notice of files which were using the old address. 2021-11-10 20:14:00 -05:00
MAINTAINERS MAINTAINERS: clarify policy with config/ (and other top level files) 2012-05-12 03:10:17 +00:00
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Makefile.in Introduce @unless/@endunless and postbootstrap Makefile targets 2018-06-30 00:12:40 -03:00
Makefile.tpl Introduce @unless/@endunless and postbootstrap Makefile targets 2018-06-30 00:12:40 -03:00
README 19990502 sourceware import 1999-05-03 07:29:06 +00:00
README-maintainer-mode Cleanups after the update to Autoconf 2.64, Automake 1.11. 2009-08-22 17:08:06 +00:00
compile Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
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config.guess Bump config.guess and config.sub 2021-02-24 11:03:28 +01:00
config.rpath Remove freebsd1 from libtool.m4 macros and config.rpath. 2011-02-13 21:00:08 +00:00
config.sub Bump config.guess and config.sub 2021-02-24 11:03:28 +01:00
configure Introduce @unless/@endunless and postbootstrap Makefile targets 2018-06-30 00:12:40 -03:00
configure.ac Introduce @unless/@endunless and postbootstrap Makefile targets 2018-06-30 00:12:40 -03:00
depcomp Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
djunpack.bat * djunpack.bat: Use ".." quoting in Sed command, for the sake of 2009-03-27 13:37:09 +00:00
install-sh Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
libtool.m4 Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
ltgcc.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltmain.sh PR target/59788 2014-02-05 13:17:47 +00:00
ltoptions.m4 Sync Libtool from GCC. 2010-01-09 21:11:32 +00:00
ltsugar.m4 * libtool.m4: Update to libtool 2.2.6. 2008-09-29 15:28:14 +00:00
ltversion.m4 Sync Libtool from GCC. 2010-01-09 21:11:32 +00:00
lt~obsolete.m4 Sync Libtool from GCC. 2010-01-09 21:11:32 +00:00
makefile.vms 19990502 sourceware import 1999-05-03 07:29:06 +00:00
missing Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00
mkdep Use remove-advertising-clause script to edit BSD licenses 2020-01-29 19:03:31 +01:00
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setup.com 2009-09-01 Tristan Gingold <gingold@adacore.com> 2009-09-01 13:38:26 +00:00
src-release * src-release (do-proto-toplevel): Support subdir-path-prefixed 2013-10-15 20:45:52 +00:00
symlink-tree 2005-07-14 Kelley Cook <kcook@gcc.gnu.org> 2005-07-14 01:24:56 +00:00
ylwrap Sync toplevel with upstream GCC. 2016-03-22 10:25:20 +01:00

README

		   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.