Hi,
Am 06.06.2012 13:09, schrieb mao xu:
> I'm cross-compiling libcurl with ARM toolchain provided by android NDK
> r8. My output libcurl.so has an undefined symbo __cxa_begin_cleanup. Use
> command "readelf -s" can find it :
> 168: 00000000 0 NOTYPE WEAK DEFAULT UND __cxa_begin_cleanup
> When creating my executable with libcurl.so and some other libraries, a
> link error reported:
> hidden symbol __cxa_begin_cleanup in libstdc++ is referenced by DSO.
> This symbol in libstdc++.so is a hidden symbol , so linker can not
> resolve the undefined symbol in libcurl.so .
> I check other share libraries. Some of them contain this symbol also,
> but it's not undefined symbol in those libraries. They seems copy that
> symbol's implementation to themselves from libstdc++, while libcurl does
> not copy.
> My command to produce libcurl.so is :
> arm-linux-androideabi-gcc -shared .libs/file.o (and other .o files)
> -L/opt/android-ndk-r8-standalone/arm-linux-androideabi/libs/armeabi-v7a
> -L/opt/android-ndk-r8-standalone/sysroot/usr/lib -lz -mandroid
> -march=armv7-a -mfloat-abi=softfp -mfpu=vfp -mthumb -Wl,-soname
> -Wl,libcurl.so.5 -o .libs/libcurl.so.5.2.0
> I'v tried adding "-nostdlib -lgcc" to the command, but produce same result.
> Could anybody help me to resolve this issue. It has blocked me for many
> days.
have you read the Android section in docs/INSTALL where I explained how
to create a standalone toolchain from NDK?

Gün.

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Received on 2012-06-06