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mirror of git://sourceware.org/git/newlib-cygwin.git synced 2025-01-31 19:40:33 +08:00
Corinna Vinschen 4fe789e6c5 Cygwin: exec: check execute bit prior to evaluating script
When the exec family of functions is called for a script-like
file, the av::setup function handles the exec[vl]p case as
well.  The execve case for files not starting with a she-bang
is handled first by returning ENOEXEC.  Only after that, the
file's executability is checked.

This leads to the problem that ENOEXEC is returned for non-executable
files as well.  A calling shell interprets this as a file it should try
to run as script.  This is not desired for non-executable files.

Fix this problem by checking the file for executability first.  Only
after that, follow the other potential code paths.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2020-10-14 10:53:57 -04:00
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		   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.
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