src/java.base/unix/native/libjava/childproc.h

rev 57914 : 8238380: java.base/unix/native/libjava/childproc.c "multiple definition" link errors with GCC10
Summary: Fixed libjava/childproc.o link errors caused by GCC10 default -fno-common
Reviewed-by: alanb, stuefe

*** 1,7 ****
  /*
!  * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2013, 2020, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 124,134 ****
  
  /**
   * The cached and split version of the JDK's effective PATH.
   * (We don't support putenv("PATH=...") in native code)
   */
! const char * const *parentPathv;
  
  ssize_t restartableWrite(int fd, const void *buf, size_t count);
  int restartableDup2(int fd_from, int fd_to);
  int closeSafely(int fd);
  int isAsciiDigit(char c);
--- 124,134 ----
  
  /**
   * The cached and split version of the JDK's effective PATH.
   * (We don't support putenv("PATH=...") in native code)
   */
! extern const char * const *parentPathv;
  
  ssize_t restartableWrite(int fd, const void *buf, size_t count);
  int restartableDup2(int fd_from, int fd_to);
  int closeSafely(int fd);
  int isAsciiDigit(char c);