jni。h:没有这样的文件或目录，路径包括在内。

I am trying to build a wrapper that I created using SWIG. When I try to build the file I get an error saying that jni.h is not found. I have the correct path to it specified with the -I flag but it still cannot find it. I am building on windows using cygwin. What am I doing wrong?I am trying to build a wrapper that I created u