[Expat-bugs] expat warning when compiling on AIX 6100-03-01-0921

[Robert Cooper]

checking fcntl.h usability... no
checking fcntl.h presence... yes
configure: WARNING: fcntl.h: present but cannot be compiled
configure: WARNING: fcntl.h:     check for missing prerequisite headers?
configure: WARNING: fcntl.h: see the Autoconf documentation
configure: WARNING: fcntl.h:     section "Present But Cannot Be Compiled"
configure: WARNING: fcntl.h: proceeding with the preprocessor's result
configure: WARNING: fcntl.h: in the future, the compiler will take precedence
configure: WARNING:     ## -------------------------------------- ##
configure: WARNING:     ## Report this to expat-bugs at libexpat.org ##
configure: WARNING:     ## -------------------------------------- ##
checking for fcntl.h... yes