Linux上的JDK 1.8缺少JNI包含文件 [英] JDK 1.8 on Linux missing JNI include file

问题描述

我正在尝试编译以下项目：

I am trying to compile the following project:

https://github.com/entropia/libsocket-can-java

我总是收到此错误消息？有谁知道如何解决它，它可能是Linux上的JDK 1.8.0.11（x64 Debian Wheezy）中的错误吗？

I always get this error message? Does anyone know how to fix it, is it possibly a bug in JDK 1.8.0.11 on Linux (x64 Debian Wheezy)?

In file included from jni/de_entropia_can_CanSocket.h:2:0,
             from jni/cansocket.cpp:23:
/opt/jdk1.8.0_11/include/jni.h:45:20: fatal error: jni_md.h: No such file or directory
#include "jni_md.h"
                ^

推荐答案

看来是这样。 #includejni_md.h将该文件包含在与 jni.h 相同的目录中，但它被放置在 linux 文件夹中。

It seems so. #include "jni_md.h" would include the file in the same directory as jni.h, but it is placed in linux folder.

在以前的JDK版本中，似乎该文件和另一个文件放在 include / linux 文件夹，但 include 中的两个文件都有符号链接。

In previous JDK versions it seems that file and another were place in include/linux folder, but there are symlinks to both files in include.

因此，您只需为两个文件创建符号链接：

So you can just create symlinks to both files:

$ sudo ln -s /opt/jdk1.8.0_11/include/linux/jni_md.h /opt/jdk1.8.0_11/include/jni_md.h
$ sudo ln -s /opt/jdk1.8.0_11/include/linux/jawt_md.h /opt/jdk1.8.0_11/include/jawt_md.h

编辑

正如Absurd-Mind和Mikkel的评论中所述，还可以选择将该路径添加到makefile编译器选项中：

Edit

As stated in the comments by Absurd-Mind and Mikkel, there is also the option to add that path to the makefile compiler options:

-I$(JAVA_HOME)/include/linux/

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