I tried to build OpenJFX on Fedora 25 x86_64, but it is failed as below:

-------------
:fxpackager:compileLinuxLibrary/home/ysuenaga/OpenJFX/rt/modules/jdk.packager/src/main/native/library/common/PosixPlatform.cpp: In member function 'virtual bool PosixProcess::Wait()':
/home/ysuenaga/OpenJFX/rt/modules/jdk.packager/src/main/native/library/common/PosixPlatform.cpp:316:10: error: 'wait' was not declared in this scope
     wait();
          ^
-------------

Fedora 25 x86_64
  gcc-6.2.1-2.fc25.x86_64
  gcc-c++-6.2.1-2.fc25.x86_64
  JDK 9 EA b147


wait(2) should be passed one "int *" argument [1].


[1] http://man7.org/linux/man-pages/man2/waitpid.2.html