[Bug bootstrap/115416] [13/14/15 regression] Setting --includedir to a nonexistent directory causes a build error since r13-5490-g59e4c98173a79f

[marcuscalhounlopez at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115416

--- Comment #4 from Marcus Calhoun-Lopez <marcuscalhounlopez at gmail dot com> 
---
(In reply to YunQiang Su from comment #2)
> Can you give me the configure command, so that I can have a test.

The pertinent part of the configure command is
`configure --prefix=/opt/local --includedir=/opt/local/include/gcc
--libdir=/opt/local/lib/libgcc`