如何使用 CMakeLists.txt 和 AndroidStudio 在 Android-NDK 项目中集成 libxml2 原生库？答案

【问题标题】：How to Integrate libxml2 native lib in Android-NDK project using CMakeLists.txt and AndroidStudio?如何使用 CMakeLists.txt 和 AndroidStudio 在 Android-NDK 项目中集成 libxml2 原生库？
【发布时间】：2017-12-15 06:05:03
【问题描述】：

请协助我在 Android NDK 中使用libxml2 native-lib - XML 解析库，使用CMakeLists.txt 配置。

我找到了来源here。但不知道如何在 AndroidStudio 中使用CMakeLists.txt 集成它。在我的 android-NDK 项目中需要从这个存储库中包含什么才能使用 libxml2？

【问题讨论】：

标签： android android-studio android-ndk libxml2

【解决方案1】：

我尝试将 xml2 和 icuc 库添加到 Android 项目。 icuc 应该被添加，因为它被 xml2 lib 使用。我下载了libicuc.so和xml2源代码。

这里我使用了 jni/ 文件夹中的 Android.mk 和 Application.mk 文件：

# Filename: Application.mk
APP_ABI=armeabi-v7a

# Filename: Android.mk
LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)
LOCAL_MODULE := icuuc
LOCAL_SRC_FILES := libicuuc.so
LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/icu/icu4c/source/common
include $(PREBUILT_SHARED_LIBRARY)

# include $(CLEAR_VARS)
# LOCAL_MODULE := xml2
# LOCAL_SRC_FILES := libxml2.so
# LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/xml
# LOCAL_EXPORT_C_INCLUDES := $(LOCAL_PATH)/xml/include
# include $(PREBUILT_SHARED_LIBRARY)

include $(CLEAR_VARS)
LOCAL_MODULE    := xml2
LOCAL_C_INCLUDES := $(LOCAL_PATH)/xml
LOCAL_C_INCLUDES := $(LOCAL_PATH)/xml/include/
LOCAL_SRC_FILES :=  xml/SAX.c \
                    xml/entities.c \
                    xml/encoding.c \
                    xml/error.c \
                    xml/parserInternals.c \
                    xml/parser.c \
                    xml/tree.c \
                    xml/hash.c \
                    xml/list.c \
                    xml/xmlIO.c \
                    xml/xmlmemory.c \
                    xml/uri.c \
                    xml/valid.c \
                    xml/xlink.c \
                    xml/debugXML.c \
                    xml/xpath.c \
                    xml/xpointer.c \
                    xml/xinclude.c \
                    xml/nanohttp.c \
                    xml/nanoftp.c \
                    xml/DOCBparser.c \
                    xml/catalog.c \
                    xml/globals.c \
                    #xml/threads.c \
                    xml/c14n.c \
                    xml/xmlstring.c \
                    xml/xmlregexp.c \
                    xml/xmlschemas.c \
                    xml/xmlschemastypes.c \
                    xml/xmlunicode.c \
                    xml/xmlreader.c \
                    xml/relaxng.c \
                    xml/dict.c \
                    xml/SAX2.c \
                    xml/legacy.c \
                    xml/chvalid.c \
                    xml/pattern.c \
                    xml/xmlsave.c \
                    xml/xmlmodule.c \
                    xml/xmlwriter.c \
                    xml/schematron.c

LOCAL_SHARED_LIBRARIES := icuuc
include $(BUILD_SHARED_LIBRARY)

但是，我收到了 clang++ 链接器错误和许多未定义的引用错误，如下所示。我找不到任何解决方案来解决这个问题。

C:\Users\user\AndroidStudioProjects\SatIP\jni>C:\Users\user\AppData\Local\Android\Sdk\ndk-bundle\ndk-bui
ld
Android NDK: APP_PLATFORM not set. Defaulting to minimum supported version android-14.
[armeabi-v7a] Install        : libicuuc.so => libs/armeabi-v7a/libicuuc.so
[armeabi-v7a] Compile thumb  : xml2 <= SAX.c
[armeabi-v7a] Compile thumb  : xml2 <= entities.c
[armeabi-v7a] Compile thumb  : xml2 <= encoding.c
[armeabi-v7a] Compile thumb  : xml2 <= error.c
[armeabi-v7a] Compile thumb  : xml2 <= parserInternals.c
[armeabi-v7a] Compile thumb  : xml2 <= parser.c
[armeabi-v7a] Compile thumb  : xml2 <= tree.c
[armeabi-v7a] Compile thumb  : xml2 <= hash.c
[armeabi-v7a] Compile thumb  : xml2 <= list.c
[armeabi-v7a] Compile thumb  : xml2 <= xmlIO.c
[armeabi-v7a] Compile thumb  : xml2 <= xmlmemory.c
[armeabi-v7a] Compile thumb  : xml2 <= uri.c
[armeabi-v7a] Compile thumb  : xml2 <= valid.c
[armeabi-v7a] Compile thumb  : xml2 <= xlink.c
[armeabi-v7a] Compile thumb  : xml2 <= debugXML.c
[armeabi-v7a] Compile thumb  : xml2 <= xpath.c
[armeabi-v7a] Compile thumb  : xml2 <= xpointer.c
[armeabi-v7a] Compile thumb  : xml2 <= xinclude.c
[armeabi-v7a] Compile thumb  : xml2 <= nanohttp.c
[armeabi-v7a] Compile thumb  : xml2 <= nanoftp.c
[armeabi-v7a] Compile thumb  : xml2 <= DOCBparser.c
[armeabi-v7a] Compile thumb  : xml2 <= catalog.c
[armeabi-v7a] Compile thumb  : xml2 <= globals.c
[armeabi-v7a] SharedLibrary  : libxml2.so
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:268: error: undefined reference to 'xmlStrEqua
l'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:264: error: undefined reference to 'xmlStrEqua
l'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:272: error: undefined reference to 'xmlStrEqua
l'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:278: error: undefined reference to 'xmlStrEqua
l'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:174: error: undefined reference to 'xmlDictLoo
kup'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:176: error: undefined reference to 'xmlDictLoo
kup'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:178: error: undefined reference to 'xmlDictLoo
kup'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:168: error: undefined reference to 'xmlStrdup'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:170: error: undefined reference to 'xmlStrdup'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:172: error: undefined reference to 'xmlStrdup'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:181: error: undefined reference to 'xmlStrlen'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:184: error: undefined reference to 'xmlDictLoo
kup'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:186: error: undefined reference to 'xmlStrndup
'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:705: error: undefined reference to 'xmlStrdup'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:597: error: undefined reference to 'xmlStrstr'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:964: error: undefined reference to 'xmlStrchr'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:111: error: undefined reference to 'xmlDictOwn
s'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:114: error: undefined reference to 'xmlDictOwn
s'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:117: error: undefined reference to 'xmlDictOwn
s'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/entities.c:119: error: undefined reference to 'xmlDictOwn
s'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:113: error: undefined reference to 'ucnv_open_
59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:119: error: undefined reference to 'ucnv_setTo
UCallBack_59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:123: error: undefined reference to 'ucnv_setFr
omUCallBack_59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:130: error: undefined reference to 'ucnv_open_
59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:136: error: undefined reference to 'ucnv_close
_59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:139: error: undefined reference to 'UCNV_TO_U_
CALLBACK_STOP_59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:139: error: undefined reference to 'UCNV_FROM_
U_CALLBACK_STOP_59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:145: error: undefined reference to 'ucnv_close
_59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:146: error: undefined reference to 'ucnv_close
_59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:1884: error: undefined reference to 'ucnv_conv
ertEx_59'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:2066: error: undefined reference to 'xmlBufUse
'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:2069: error: undefined reference to 'xmlBufAva
il'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:2086: error: undefined reference to 'xmlBufGro
w'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:2087: error: undefined reference to 'xmlBufAva
il'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:2095: error: undefined reference to 'xmlBufEnd
'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:2096: error: undefined reference to 'xmlBufCon
tent'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:2097: error: undefined reference to 'xmlBufShr
ink'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/encoding.c:2098: error: undefined reference to 'xmlBufAdd
Len'
...
...
...
...
undefined reference to 'xmlSaveForm
atFileTo'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3109: error: undefined reference to 'xmlRMutexL
ock'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3181: error: undefined reference to 'xmlRMutexU
nlock'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3092: error: undefined reference to 'xmlNewRMut
ex'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3205: error: undefined reference to 'xmlRMutexL
ock'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3220: error: undefined reference to 'xmlRMutexU
nlock'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3215: error: undefined reference to 'xmlRMutexU
nlock'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3210: error: undefined reference to 'xmlRMutexU
nlock'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3281: error: undefined reference to 'xmlRMutexL
ock'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3295: error: undefined reference to 'xmlFreeRMu
tex'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:3418: error: undefined reference to 'xmlRMutexL
ock'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:2235: error: undefined reference to 'xmlIsPubid
Char_tab'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:2235: error: undefined reference to 'xmlIsPubid
Char_tab'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/catalog.c:1360: error: undefined reference to 'xmlGetThre
adId'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Intern
alSubset'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2IsStan
dalone'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2HasInt
ernalSubset'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2HasExt
ernalSubset'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Resolv
eEntity'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2GetEnt
ity'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Entity
Decl'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Notati
onDecl'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Attrib
uteDecl'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Elemen
tDecl'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Unpars
edEntityDecl'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2SetDoc
umentLocator'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2StartD
ocument'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2EndDoc
ument'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2StartE
lement'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2EndEle
ment'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Refere
nce'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Charac
ters'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Charac
ters'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Proces
singInstruction'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Commen
t'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2GetPar
ameterEntity'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2CDataB
lock'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXHandler: error: undefined reference to 'xmlSAX2Extern
alSubset'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXLocator: error: undefined reference to 'xmlSAX2GetPub
licId'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXLocator: error: undefined reference to 'xmlSAX2GetSys
temId'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXLocator: error: undefined reference to 'xmlSAX2GetLin
eNumber'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:xmlDefaultSAXLocator: error: undefined reference to 'xmlSAX2GetCol
umnNumber'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Inter
nalSubset'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2IsSta
ndalone'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2HasIn
ternalSubset'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2HasEx
ternalSubset'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Resol
veEntity'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Entit
yDecl'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2SetDo
cumentLocator'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Start
Document'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2EndDo
cument'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Start
Element'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2EndEl
ement'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Refer
ence'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Chara
cters'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Ignor
ableWhitespace'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2Comme
nt'
C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/objs/xml2/xml/globals.o:C:/Users/user/An
droidStudioProjects/SatIP/jni/xml/globals.c:docbDefaultSAXHandler: error: undefined reference to 'xmlSAX2GetPa
rameterEntity'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/globals.c:50: error: undefined reference to 'xmlNewMutex'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/globals.c:61: error: undefined reference to 'xmlFreeMutex
'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/globals.c:64: error: undefined reference to '__xmlGlobalI
nitMutexDestroy'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/globals.c:50: error: undefined reference to 'xmlNewMutex'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/globals.c:565: error: undefined reference to 'xmlSAX2GetS
ystemId'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/globals.c:565: error: undefined reference to 'xmlSAX2GetC
olumnNumber'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/globals.c:565: error: undefined reference to 'xmlSAX2GetL
ineNumber'
C:/Users/user/AndroidStudioProjects/SatIP/jni/xml/globals.c:565: error: undefined reference to 'xmlSAX2GetP
ublicId'
clang++.exe: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [C:/Users/user/AndroidStudioProjects/SatIP/obj/local/armeabi-v7a/libxml2.so] Error 1

【讨论】：

感谢您的关注。当我使用带有 AndroidStudio2.0+ 的 CMake 构建系统时，它可能会有所帮助。但是我已经更新了我的答案。

【解决方案2】：

经过一番搜索和努力，我找到了一些解决方案。所以我想通过以下步骤回答我自己的问题：

在您的机器中从android/platform_external_libxml2 克隆源代码。

2.在项目的适当位置添加所需的所有源文件和头文件。

3.在Android.bp文件的帮助下，我成功配置了我的app/CMakeList.txt

4.配置您的应用或库级别的 build.gradle 文件。

这是我的 CMakeLists.txt ：

                cmake_minimum_required(VERSION 3.4.1)

                set(LIBXML2_SOURCES

                src/main/cpp/libxml2/src/SAX.c
                src/main/cpp/libxml2/src/entities.c
                src/main/cpp/libxml2/src/encoding.c
                src/main/cpp/libxml2/src/error.c
                src/main/cpp/libxml2/src/parserInternals.c
                src/main/cpp/libxml2/src/parser.c
                src/main/cpp/libxml2/src/tree.c
                src/main/cpp/libxml2/src/hash.c
                src/main/cpp/libxml2/src/list.c
                src/main/cpp/libxml2/src/xmlIO.c
                src/main/cpp/libxml2/src/xmlmemory.c
                src/main/cpp/libxml2/src/uri.c
                src/main/cpp/libxml2/src/valid.c
                src/main/cpp/libxml2/src/xlink.c
                src/main/cpp/libxml2/src/debugXML.c
                src/main/cpp/libxml2/src/xpath.c
                src/main/cpp/libxml2/src/xpointer.c
                src/main/cpp/libxml2/src/xinclude.c
                src/main/cpp/libxml2/src/DOCBparser.c
                src/main/cpp/libxml2/src/catalog.c
                src/main/cpp/libxml2/src/globals.c
                src/main/cpp/libxml2/src/threads.c
                src/main/cpp/libxml2/src/c14n.c
                src/main/cpp/libxml2/src/xmlstring.c
                src/main/cpp/libxml2/src/buf.c
                src/main/cpp/libxml2/src/xmlregexp.c
                src/main/cpp/libxml2/src/xmlschemas.c
                src/main/cpp/libxml2/src/xmlschemastypes.c
                src/main/cpp/libxml2/src/xmlunicode.c
                src/main/cpp/libxml2/src/xmlreader.c
                src/main/cpp/libxml2/src/relaxng.c
                src/main/cpp/libxml2/src/dict.c
                src/main/cpp/libxml2/src/SAX2.c
                src/main/cpp/libxml2/src/xmlwriter.c
                src/main/cpp/libxml2/src/legacy.c
                src/main/cpp/libxml2/src/chvalid.c
                src/main/cpp/libxml2/src/pattern.c
                src/main/cpp/libxml2/src/xmlsave.c
                src/main/cpp/libxml2/src/xmlmodule.c
                src/main/cpp/libxml2/src/schematron.c
        )

        include_directories(src/main/cpp/libxml2/include)

        include_directories(src/main/cpp/libxml2/src)

        add_library( # Sets the name of the library.
         myexampe-native

         # Sets the library as a shared library.
         SHARED

         # Provides a relative path to your source file(s).
         src/main/cpp/my-native.cpp )

         add_library( # Sets the name of the library.
         mylibxml2

         # Sets the library as a shared library.
         SHARED

         # Provides a relative path to your source file(s).
         ${LIBXML2_SOURCES} )

         target_link_libraries( # Specifies the target library.

                   myexampe-native

                   mylibxml2
                   )

这是我的 app/build.gradle 配置

              android { .....
              defaultConfig { .....

              externalNativeBuild {
        cmake {
            cppFlags "-std=gnu++11"
            arguments '-DANDROID_PLATFORM=android-21',
                      '-DANDROID_STL=c++_shared','-DANDROID_ARM_MODE=arm'

        }
    }

欢迎发表评论以获得任何澄清。谢谢:-)

【讨论】：

感谢您的回复。你添加了icu库吗？应用您的解决方案后，我收到“未找到 unicode/ucnv.h 文件”错误。 icu 库包含 ucnv.h 文件。
另外，我遇到了“错误：使用未声明的标识符 'xmlOnceInit'”。其原因是未定义 LIBXML_THREAD_ENABLED。所以，我手动定义了它，问题就解决了。但是，这不是正确的方法。实际上在编译之前它应该由'--with-threads'配置，但我无法正确配置它。在 Android.bp 中，为 shared_libs 添加了 libicuuc。所以，我正在尝试将 libicuuc 添加到我的项目中。
@OğuzhanKoşar iconv 是不需要的（因为我禁用了 android）。所以，我相应地配置了“/libxml2/include/libxml/xmlversion.h”和“/libxml2/src/config.h”（只是禁用它们）示例：#if 0 #define LIBXML_ICONV_ENABLED #endif *也禁用线程一#if 0 #defineLIBXML_THREAD_ENABLED #endif
LIBXML_ICONV_ENABLED 已被禁用，但我收到与 libicuuc 相关的未定义引用错误。 LIBXML_THREAD_ENABLED 也被禁用，但我需要启用它来修复“错误：编译threads.c时使用未声明的标识符'xmlOnceInit'。
我在 xmlversion.h 中注释掉了“#define LIBXML_ICU_ENABLED”，现在看来可以了。