j2objc錯誤添加番石榴（When.o is missing）

Question

我正在玩j2objc，看看我是否可以在我的項目中使用番石榴。

我的項目是很簡單：配置用於j2obcj（https://github.com/google/j2objc/wiki/Xcode-Build-Rules）與自定義線的單一視圖的應用程序添加到appDelegete.m

#include "java/util/ArrayList.h" 
#include "com/google/common/collect/Lists.h" 
[...] 
[ComGoogleCommonCollectLists newArrayList]; 

試圖編譯它生成錯誤：

Undefined symbols for architecture x86_64: 
    "_JavaxAnnotationMetaWhenEnum_initialized", referenced from: 
     +[ComGoogleCommonBaseCharMatcher __annotations_removeFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_retainFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_replaceFromWithJavaLangCharSequence_withChar_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_replaceFromWithJavaLangCharSequence_withJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_trimFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_trimLeadingFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_trimTrailingFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     ... 
    "_JavaxAnnotationMetaWhenEnum_values_", referenced from: 
     +[ComGoogleCommonBaseCharMatcher __annotations_removeFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_retainFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_replaceFromWithJavaLangCharSequence_withChar_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_replaceFromWithJavaLangCharSequence_withJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_trimFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_trimLeadingFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     +[ComGoogleCommonBaseCharMatcher __annotations_trimTrailingFromWithJavaLangCharSequence_] in libguava.a(CharMatcher.o) 
     ... 
    "_OBJC_CLASS_$_JavaxAnnotationCheckForNull", referenced from: 
     objc-class-ref in libguava.a(Ints.o) 
     objc-class-ref in libguava.a(AndroidInteger.o) 
    "_OBJC_CLASS_$_JavaxAnnotationCheckReturnValue", referenced from: 
     objc-class-ref in libguava.a(CharMatcher.o) 
     objc-class-ref in libguava.a(Joiner.o) 
     objc-class-ref in libguava.a(Splitter.o) 
     objc-class-ref in libguava.a(CacheBuilder.o) 
     objc-class-ref in libguava.a(BaseEncoding.o) 
     objc-class-ref in libguava.a(UnsignedLong.o) 
     objc-class-ref in libguava.a(UnsignedInteger.o) 
     ... 
    "_OBJC_CLASS_$_JavaxAnnotationMetaWhenEnum", referenced from: 
     objc-class-ref in libguava.a(CharMatcher.o) 
     objc-class-ref in libguava.a(Joiner.o) 
     objc-class-ref in libguava.a(Splitter.o) 
     objc-class-ref in libguava.a(CacheBuilder.o) 
     objc-class-ref in libguava.a(BaseEncoding.o) 
     objc-class-ref in libguava.a(UnsignedLong.o) 
     objc-class-ref in libguava.a(UnsignedInteger.o) 
     ... 
    "_OBJC_CLASS_$_JavaxAnnotationNullable", referenced from: 
     objc-class-ref in libguava.a(Equivalence.o) 
     objc-class-ref in libguava.a(FunctionalEquivalence.o) 
     objc-class-ref in libguava.a(Functions.o) 
     objc-class-ref in libguava.a(Joiner.o) 
     objc-class-ref in libguava.a(Objects.o) 
     objc-class-ref in libguava.a(Optional.o) 
     objc-class-ref in libguava.a(PairwiseEquivalence.o) 
     ... 
ld: symbol(s) not found for architecture x86_64 
clang: error: linker command failed with exit code 1 (use -v to see invocation) 

看起來連接時有問題，中沒有When.o。

我試圖運行沒有任何問題以下行，只是爲了檢查javax包在那裏

#include "javax/xml/parsers/SAXParser.h" 
[...] 
[[JavaxXmlParsersSAXParser alloc] init]; 

還檢查了SAXParser.i是libjre_emul

$ otool -o lib/libjre_emul.a | grep .o\): | grep SAXParser 
lib/libjre_emul.a(SAXParser.o): 
lib/libjre_emul.a(SAXParserFactory.o): 
lib/libjre_emul.a(SAXParserFactoryImpl.o): 
lib/libjre_emul.a(SAXParserImpl.o): 

但在情況的嘗試When

#include "javax/annotation/meta/When.h" 
[...] 
[JavaxAnnotationMetaWhenEnum values]; 

我有一個類似與番石榴

Undefined symbols for architecture x86_64: 
    "_OBJC_CLASS_$_JavaxAnnotationMetaWhenEnum", referenced from: 
     objc-class-ref in AppDelegate.o 
ld: symbol(s) not found for architecture x86_64 
clang: error: linker command failed with exit code 1 (use -v to see invocation) 

錯誤校驗libjre_emul後沒有When.o

otool -o lib/libjre_emul.a | grep .o\): | grep When 

我的設置是：

J2OBJC_HOME = ./bin/j2objc-0.9.5; 
HEADER_SEARCH_PATHS = $(inherited) "${J2OBJC_HOME}/include"; 
LIBRARY_SEARCH_PATHS = $(inherited) "${J2OBJC_HOME}/lib"; 
OTHER_LDFLAGS = $(inherited) -l"z" -l"jre_emul" -l"guava" -l"icucore" -framework "Security" -ObjC; 

我已經嘗試了不同的版本（0.9.5,0.9.4,0.9.3,0.9），但錯誤依然存在。

總之，據我所知，沒有辦法與j2objc一起使用番石榴，因爲它取決於缺少的符號。

任何人都可以證明我錯了，希望？我真的想開始在一個真正的項目中使用j2objc！

提前致謝！聖誕節快樂！

Answer 1

嘗試在jsr305庫（-ljsr305）中進行鏈接，因爲它定義了上面引用的javax.annotation註釋。