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To:freerdp-devel@lists.sourceforge.net From:Ҧⳬ Subject:Re: [Freerdp-devel] cross compile Date:Mon, 19 Mar 2012 00:12:20 +0800 (CST)
 

Today, I succeeded to cross compile freeRDP for arm platform and could run it on an arm terminal. But when I wanted to test video redirection, I just couldn't play a video and freerdp returned an warning: "in tsmf_ffmpeg.so: undefined symbol : sinh, failed to load tsmf_ffmpeg.so." Then I analysed the tsmf_ffmpeg.so using nm command. The result is confusing: there were so many undefined symbols about math functions,such as sin, sinh, ceil, and so on. I also checked the tsmf_ffmpeg.so in my pc, and the differences are huge! I just don't understand what's going on.
Some undefined symbols which I get using command: nm -u tsmf_ffmpeg.so in tsmf_ffmpeg.so under arm terminal are below:
U __strcpy_chk@@GLIBC_2.4
U __vsnprintf_chk@@GLIBC_2.4
U abort@@GLIBC_2.4
U acos
U asin
U atan
U cbrtf
U ceil
U compress
U compress2
U cos
Some undefined symbols under my pc are below:
U avcodec_open@@LIBAVCODEC_52
U avcodec_register_all@@LIBAVCODEC_52
U avpicture_fill@@LIBAVCODEC_52
U avpicture_get_size@@LIBAVCODEC_52
U memcpy@@GLIBC_2.2.5
U memmove@@GLIBC_2.2.5
U memset@@GLIBC_2.2.5
U printf@@GLIBC_2.2.5
The differences are huge! It's just like arm did not compile tsmf_ffmpeg.c! Thanks for any help!
Guangchao Yao


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