Building the 4.11 environment

Simon Williams williamssimonp at
Fri Jan 15 06:50:24 UTC 2016

The message about the unescaped left brace is a warning. I get it in Fedora
23 as well. The result of bootstrap is still okay. It is telling us that it
will stop working at some point soon if it isn't changed. At the moment it
appears that the only adverse effect is that it makes it more difficult to
spot actual errors.



On Fri, 15 Jan 2016, 02:23 Wu, Mark H. <Mark.H.Wu at> wrote:

> I'm trying to update to 4.11 after about 6 months of not touching RTEMS.
> (It was working 6 months ago.)
> My environment is a Windows 7 host using Cygwin64.
> I updated my toolset from the git repository, and was trying to build a
> new RSB. I ran into some problems building first, until I updated Cygwin to
> the latest versions of everything. After getting past that, I ran into the
> following error:
> script: 81: rtems_tools_source="rtems-tools.git"
> source setup: rtems-tools-4.11-1: source rtems-tools -q -n
> ${rtems_tools_source}
> making dir: /cygdrive/c/.../rtems/sources/git
> git: reset: git://
> git: checkout: git:// => 4.11
> error: git command failed (git): 1
> This occurred with both the head of the 4.11 branch and the head of the
> master branch.
> I remembered from this list that there was some discussion about it, so I
> then tried Chris Johns' suggestion and downloaded the tarballs from the ftp
> site. That allowed me to build the RSB. Is there something I'm missing in
> building from the git repository, or is that something that my corporate
> network is blocking?
> Next up is bootstrapping the OS. I get the following error:
> Unescaped left brace in regex is deprecated, passed through in regex;
> marked by <-- HERE in m/\${ <-- HERE ([^ \t=:+{}]+)}/ at
> .../source-builder/bin/automake line 4033.
> I'm not sure if that is an automake issue specific to Windows/Cygwin64 or
> not, but it seems more like a change in whatever is parsing automake?
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