Building 2.37 fails on bool errors

[NightStrike]

On CentOS 7 with a host gcc of 4.8.5, configuring and building
binutils 2.36.1 with --disable-nls and --prefix as configure options
works fine.  When I use the same configure options on 2.37, I get
errors from dis-asm.h and dis-asm.c that "bool" is undeclared.  Adding
"#include <stdbool.h> to dis-asm.h fixes the build problem, and it
completes.

Am I missing a particular option to configure that is required on 2.37
to handle bool without including the proper header?  Or is my build
environment screwed up somehow?  Has anyone else seen something
similar?