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  • Linux下实现JNI期间发生的错误……【未解决】

      万能的博客园啊……希望发完这个问题记录后能尽快发现自己的错误%>_<%

    问题描述:

      在linux下通过gcc命令编译c文件生成动态链接库.so文件时报错。之前命令内导入了jni.h和jni_md.h所在路径,报错;之后将这两个头文件复制到/usr/include/路径下,

    导入,仍报错。

      检查了一下JAVA_HOME路径、java、javac命令都能正常运行,普通的.c文件也能正常编译。根据报错的提示来看是.h文件中的jint、jbyte...未定义。。。不过根据我

    浅薄的认知,这些变量不就在jni.h里定义的么……真是头痛。。。

    anna@ubuntu:~/Documents/temp$ gcc -shared -I /usr/include/ JniTest.c -o libHello.so
    
    In file included from /usr/include/jni_md.h:32:0,
                     from /usr/include/jni.h:45,
                     from JniTest.h:2,
                     from JniTest.c:2:
    /usr/include/jawt.h:141:5: error: unknown type name ‘jint’
         jint x;
         ^
    /usr/include/jawt.h:142:5: error: unknown type name ‘jint’
         jint y;
         ^
    /usr/include/jawt.h:143:5: error: unknown type name ‘jint’
         jint width;
         ^
    /usr/include/jawt.h:144:5: error: unknown type name ‘jint’
         jint height;
         ^
    /usr/include/jawt.h:167:5: error: unknown type name ‘jint’
         jint clipSize;
         ^
    /usr/include/jawt.h:190:5: error: unknown type name ‘JNIEnv’
         JNIEnv* env;
         ^
    /usr/include/jawt.h:192:5: error: unknown type name ‘jobject’
         jobject target;
         ^
    /usr/include/jawt.h:208:5: error: expected specifier-qualifier-list before ‘jint’
         jint (JNICALL *Lock)
         ^
    /usr/include/jawt.h:242:5: error: unknown type name ‘jint’
         jint version;
         ^
    /usr/include/jawt.h:252:35: error: expected ‘)’ before ‘*’ token
         JAWT_DrawingSurface* (JNICALL *GetDrawingSurface)
                                       ^
    /usr/include/jawt.h:257:19: error: expected ‘)’ before ‘*’ token
         void (JNICALL *FreeDrawingSurface)
                       ^
    /usr/include/jawt.h:263:19: error: expected ‘)’ before ‘*’ token
         void (JNICALL *Lock)(JNIEnv* env);
                       ^
    /usr/include/jawt.h:268:19: error: expected ‘)’ before ‘*’ token
         void (JNICALL *Unlock)(JNIEnv* env);
                       ^
    /usr/include/jawt.h:280:5: error: expected ‘;’ before ‘jobject’
         jobject (JNICALL *GetComponent)(JNIEnv* env, void* platformInfo);
         ^
    /usr/include/jawt.h:288:1: error: unknown type name ‘_JNI_IMPORT_OR_EXPORT_’
     _JNI_IMPORT_OR_EXPORT_
     ^
    /usr/include/jawt.h:289:10: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘JNICALL’
     jboolean JNICALL JAWT_GetAWT(JNIEnv* env, JAWT* awt);
              ^
    /usr/include/jawt.h:289:10: error: unknown type name ‘JNICALL’
    In file included from /usr/include/jni.h:45:0,
                     from JniTest.h:2,
                     from JniTest.c:2:
    /usr/include/jni_md.h:53:18: error: expected ‘)’ before ‘*’ token
         int (JNICALL *GetAWTColor)(JAWT_DrawingSurface* ds,
                      ^
    In file included from JniTest.h:2:0,
                     from JniTest.c:2:
    /usr/include/jni.h:63:1: error: unknown type name ‘jint’
     typedef jint            jsize;
     ^
    /usr/include/jni.h:122:5: error: unknown type name ‘jbyte’
         jbyte    b;
         ^
    /usr/include/jni.h:125:5: error: unknown type name ‘jint’
         jint     i;
         ^
    /usr/include/jni.h:126:5: error: unknown type name ‘jlong’
         jlong    j;
         ^
    /usr/include/jni.h:220:5: error: expected specifier-qualifier-list before ‘jint’
         jint (JNICALL *GetVersion)(JNIEnv *env);
         ^
    /usr/include/jni.h:1869:5: error: unknown type name ‘jint’
         jint version;
         ^
    /usr/include/jni.h:1871:5: error: unknown type name ‘jint’
         jint nOptions;
         ^
    /usr/include/jni.h:1877:5: error: unknown type name ‘jint’
         jint version;
         ^
    /usr/include/jni.h:1895:5: error: expected specifier-qualifier-list before ‘jint’
         jint (JNICALL *DestroyJavaVM)(JavaVM *vm);
         ^
    /usr/include/jni.h:1934:1: error: unknown type name ‘JNIIMPORT’
     _JNI_IMPORT_OR_EXPORT_ jint JNICALL
     ^
    /usr/include/jni.h:1934:29: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘JNICALL’
     _JNI_IMPORT_OR_EXPORT_ jint JNICALL
                                 ^
    /usr/include/jni.h:1934:29: error: unknown type name ‘JNICALL’
    /usr/include/jni.h:1937:1: error: unknown type name ‘JNIIMPORT’
     _JNI_IMPORT_OR_EXPORT_ jint JNICALL
     ^
    /usr/include/jni.h:1937:29: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘JNICALL’
     _JNI_IMPORT_OR_EXPORT_ jint JNICALL
                                 ^
    /usr/include/jni.h:1937:29: error: unknown type name ‘JNICALL’
    /usr/include/jni.h:1940:1: error: unknown type name ‘JNIIMPORT’
     _JNI_IMPORT_OR_EXPORT_ jint JNICALL
     ^
    /usr/include/jni.h:1940:29: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘JNICALL’
     _JNI_IMPORT_OR_EXPORT_ jint JNICALL
                                 ^
    /usr/include/jni.h:1940:29: error: unknown type name ‘JNICALL’
    /usr/include/jni.h:1944:1: error: unknown type name ‘JNIEXPORT’
     JNIEXPORT jint JNICALL
     ^
    /usr/include/jni.h:1944:16: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘JNICALL’
     JNIEXPORT jint JNICALL
                    ^
    /usr/include/jni.h:1944:16: error: unknown type name ‘JNICALL’
    /usr/include/jni.h:1947:11: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘void’
     JNIEXPORT void JNICALL
               ^
    In file included from JniTest.c:2:0:
    JniTest.h:15:11: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘void’
     JNIEXPORT void JNICALL Java_JniTest_output
               ^
    JniTest.c:4:11: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘void’
     JNIEXPORT void JNICALL Java_JniTest_output(JNIEnv * env, jobject obj)
               ^
    __________________________________________________________ shoobie do lang lang ^^
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  • 原文地址:https://www.cnblogs.com/annaivsu/p/3984672.html
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