This disables tests for runtime system specific functions like fcntl
there is no other change seen
+configure:77372: checking for fcntl
+configure:77372: result: yes
In libsttdc++ configure log outputs.
[YOCTO #14803]
(From OE-Core rev: 586b6239252ecf2711930b60f7f0f617e38ac737)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>