bug_report.html

---
permalink: /bug_report.html
layout: page
title: Report a Bug
header: Report a Bug
group: navigation
---
{% include JB/setup %}

<p>
Before sending a bug-report, you should check the
<a href="{{ site.baseurl }}/FAQ.html">FAQ</a> and
our <a href="https://github.com/CGAL/cgal/issues" target="_blank">issue tracker</a> on GitHub,
where your issue might have already been answered or reported.

<p>
If you are using an old version of CGAL, your problem may have already 
been solved in a more recent release. Please try your program with
the <a HREF="{{ site.baseurl }}/releases.html">latest release</a>.

<p>
Bug reports should be made on our <a href="https://github.com/CGAL/cgal/issues" target="_blank">GitHub issue tracker</a>
(Note that this requires you to have a GitHub account).
In your issue, please do include as much information as possible:
       <UL>
           <LI> a short, self-contained, correct (compilable), example (see <a href="http://sscce.org/" target="_blank">sscce.org</a>), which you should put on <a href="http://gist.github.com" target="_blank">gist.github.com</a>;
           <LI> which operating system, compiler, and hardware you are using;
           <LI> information about how CGAL was installed on your system 
                (<I>i.e.</I>, which options were used, how the library was
                 built, <I>etc.</I>);
           <LI> any third-party software (such as GMP) that is involved;
           <LI> a description of the problem or bug and a way to reproduce it
                (such as a small sample program or a sequence of commands);
           <LI> do not forget to mention which kernel you are using, and check
                for potential <a href="{{ site.baseurl }}/FAQ.html#kernels">robustness</a> issues
                you may have;
	   <LI> in case of run-time crash, please include a stack trace provided
	        by the debugger;
           <LI> in case of problems with the installation, make sure to include
                the install.log file.
        </UL>

<p>
The more information you provide, the easier it will be for us to
help you quickly solve the problem.</p>

 <a href="https://github.com/CGAL/cgal/issues/new" class="btn" target="_blank">Open an issue on GitHub</a>