问题1：
/opt/hisi-linux/x86-arm/arm-hisiv300-linux/bin/../lib/gcc/arm-hisiv300-linux-uclibcgnueabi/4.8.3/../../../../arm-hisiv300-linux-
uclibcgnueabi/bin/ld: warning: libexpat.so.0, needed by /usr/local/apr-util/lib/libaprutil-1.so, not found (try using -rpath or -
rpath-link)
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_SetCharacterDataHandler'
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_Parse'
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_ParserCreate'
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_ErrorString'
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_SetDefaultHandler'
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_SetUserData'
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_GetErrorCode'
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_SetElementHandler'
/usr/local/apr-util/lib/libaprutil-1.so: undefined reference to `XML_ParserFree'
collect2: error: ld returned 1 exit status
make: *** [oss_c_sdk_sample] Error 1
root@freeman-desktop:/home/openipc/mywork/aliyunpush/sdk/oss_c_sdk/sample# vi Makefile
root@freeman-desktop:/home/openipc/mywork/aliyunpush/sdk/oss_c_sdk/sample# make
arm-hisiv300-linux-gcc -I. -I../ -I/usr/local/include/ -I/usr/include/libxml2 -I/usr/local/apr/include/apr-1 -I/usr/local/apr-
util/include/apr-1 -D_LARGEFILE64_SOURCE -fPIC -g -O2 -L../ -L/usr/local/lib -L/usr/local/apr/lib -L/usr/local/apr-util/lib -Wl,--
rpath=/usr/local/lib  -o oss_c_sdk_sample oss_c_sdk_sample-CuTest.o oss_c_sdk_sample-oss_test_util.o oss_c_sdk_sample-oss_config.o 
oss_c_sdk_sample-test_oss_bucket.o oss_c_sdk_sample-test_oss_object.o oss_c_sdk_sample-test_oss_multipart.o oss_c_sdk_sample-
test_all.o -loss_c_sdk -laprutil-1 -lexpat -lapr-1 -lcurl -lxml2 -lm -lm 
root@freeman-desktop:/home/openipc/mywork/aliyunpush/sdk/oss_c_sdk/sample# 
解决办法：
这是 libaprutil 的一个bug，它不会自动链接到它的依赖项，从而导致了那些错误。要解决这个问题，你在编译的时候添加 -lexpat参数。


问题2：
root@freeman-desktop:/home/openipc/mywork/aliyunpush# make
arm-hisiv300-linux-gcc -o aliyunpush aliyunpush.o utils.o oss_media_client.o oss_media_define.o oss_media_log.o -
L/home/openipc/third/ffmpeg-2.1.1/hisiv300/slib -lm -lrt -lc -lpthread -lavformat -lavcodec -lavdevice -lavfilter -lswresample -
lswscale -lavutil ./hisiv300/lib/liboss_c_sdk_static.a ./hisiv300/lib/libmxml.a ./hisiv300/lib/libapr-1.a ./hisiv300/lib/libcurl.a 
./hisiv300/lib/libaprutil-1.a ./hisiv300/lib/libexpat.a
./hisiv300/lib/libaprutil-1.a(xlate.o): In function `handle_special_names':
/home/openipc/mywork/aliyunpush/aliyun-media-c-sdk-2.0.1/third/apr-util-1.5.4/xlate/xlate.c:75: undefined reference to 
`apr_os_locale_encoding'
/home/openipc/mywork/aliyunpush/aliyun-media-c-sdk-2.0.1/third/apr-util-1.5.4/xlate/xlate.c:75: undefined reference to 
`apr_os_locale_encoding'
/home/openipc/mywork/aliyunpush/aliyun-media-c-sdk-2.0.1/third/apr-util-1.5.4/xlate/xlate.c:72: undefined reference to 
apr_os_default_encoding'
/home/openipc/mywork/aliyunpush/aliyun-media-c-sdk-2.0.1/third/apr-util-1.5.4/xlate/xlate.c:72: undefined reference to 
apr_os_default_encoding'
collect2: error: ld returned 1 exit status
make: *** [aliyunpush] Error 1
解决办法：修改apr-util-1.5.4/xlate/xlate.c的handle_special_names函数，直接关掉本地编码相关的两个判断，直接返回return page;