ios - Live555 编译 iOS 构建错误
<p><p>我正在尝试为 iOS 编译 Live555。</p>
<p>我做了以下事情:</p>
<pre><code>./genMakefiles iphoneos
make
</code></pre>
<p>我收到以下构建错误:</p>
<pre><code>/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/g++ -c -I../UsageEnvironment/include -I../groupsock/include -I../liveMedia/include -I../BasicUsageEnvironment/include -I.-DBSD=1 -O2 -DSOCKLEN_T=socklen_t -DHAVE_SOCKADDR_LEN=1 -D_LARGEFILE_SOURCE=1 -D_FILE_OFFSET_BITS=64 -fPIC -arch armv7 --sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk -Wall testMP3Streamer.cpp
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/g++ -o testMP3Streamer -L. -arch armv7 --sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk testMP3Streamer.o ../liveMedia/libliveMedia.a ../groupsock/libgroupsock.a ../BasicUsageEnvironment/libBasicUsageEnvironment.a ../UsageEnvironment/libUsageEnvironment.a
ld: in /usr/lib/system/libcache.dylib, missing required architecture armv7 in file for architecture armv7
collect2: ld returned 1 exit status
make: *** Error 1
make: *** Error 2
</code></pre>
<p>我已尝试在 config.iphoneos 中将链接器选项更改为此:</p>
<pre><code>LINK_OPTS = -L. -arch armv7 --isysroot=$(SDK)
</code></pre>
<p>当我更改链接器选项时，我收到以下错误:</p>
<pre><code>cd testProgs ; make
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/g++ -c -I../UsageEnvironment/include -I../groupsock/include -I../liveMedia/include -I../BasicUsageEnvironment/include -I.-DBSD=1 -O2 -DSOCKLEN_T=socklen_t -DHAVE_SOCKADDR_LEN=1 -D_LARGEFILE_SOURCE=1 -D_FILE_OFFSET_BITS=64 -fPIC -arch armv7 --sysroot=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk -Wall testMP3Streamer.cpp
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/g++ -o testMP3Streamer -L. -arch armv7 --isysroot=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS5.1.sdk testMP3Streamer.o ../liveMedia/libliveMedia.a ../groupsock/libgroupsock.a ../BasicUsageEnvironment/libBasicUsageEnvironment.a ../UsageEnvironment/libUsageEnvironment.a
ld: warning: ignoring file /usr/lib/crt1.o, missing required architecture armv7 in file
ld: warning: ignoring file /usr/lib/libstdc++.dylib, missing required architecture armv7 in file
ld: warning: ignoring file /usr/lib/libgcc_s.1.dylib, missing required architecture armv7 in file
ld: warning: ignoring file /usr/lib/libSystem.dylib, missing required architecture armv7 in file
Undefined symbols for architecture armv7:
"start", referenced from:
-u command line option
(maybe you meant: RTPInterface::startNetworkReading(void (*)(void*, int)), MediaSink::startPlaying(MediaSource&, void (*)(void*), void*))
"_exit", referenced from:
play() in testMP3Streamer.o
"operator new(unsigned long)", referenced from:
_main in testMP3Streamer.o
MP3FileSource::MP3FileSource(UsageEnvironment&, __sFILE*)in libliveMedia.a(MP3FileSource.o)
MP3FileSource::MP3FileSource(UsageEnvironment&, __sFILE*)in libliveMedia.a(MP3FileSource.o)
MP3FileSource::createNew(UsageEnvironment&, char const*)in libliveMedia.a(MP3FileSource.o)
_Tables::getOurTables(UsageEnvironment&, unsigned char)in libliveMedia.a(Media.o)
MediaLookupTable::remove(char const*)in libliveMedia.a(Media.o)
MediaLookupTable::ourMedia(UsageEnvironment&) in libliveMedia.a(Media.o)
...
</code></pre>
<p>任何想法我做错了什么？</p></p>
<br><hr><h1><strong>Best Answer-推荐答案</ strong></h1><br>
<p><p>在运行“genMakefiles iphoneos”之前更改 config.iphoneos 的 LINK_OPTS。它适用于 iOS 5.1 SDK 和 iOS 6 SDK beta。</p>
<pre><code>LINK_OPTS = -L. -arch armv7 --sysroot=$(SDK) -L$(SDK)/usr/lib/system
</code></pre></p>
<p style="font-size: 20px;">关于ios - Live555 编译 iOS 构建错误，我们在Stack Overflow上找到一个类似的问题：
<a href="https://stackoverflow.com/questions/11369933/" rel="noreferrer noopener nofollow" style="color: red;">
https://stackoverflow.com/questions/11369933/
</a>
</p>
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