On 6/18/18, Quasi Computational wrote:
> Reproduction:
>
> ```
> $ mkdir '\9'
> $ cd '\9'
> $ git clone https://github.com/haskell/network
> $ cd network
> $ git checkout 7e3f16d57b8745ef12cec8c9164bb91eeac90b5b # known-to-fail
> commit
> $ autoconf
> $ ./configure
> ```
>
> This fails for me
Reproduction:
```
$ mkdir '\9'
$ cd '\9'
$ git clone https://github.com/haskell/network
$ cd network
$ git checkout 7e3f16d57b8745ef12cec8c9164bb91eeac90b5b # known-to-fail commit
$ autoconf
$ ./configure
```
This fails for me with this line:
```
sed: -e expression #1, char 400: invalid
Hi, Autoconf Archive maintainers.
I'm not sure where to report this bug, so I CC'd both the Autoconf mailing
list
and the Autoconf Archive one.
The BUILD_OBJEXT variable (and perhaps BUILD_EXEEXT too) in
AX_PROG_CC_FOR_BUILD are broken in the modern Autoconf (2.69).
I found this when I'm trying
