轉載地址:http://blog.csdn.net/willand1981/article/details/5784307
mplayer交叉編譯過程:
GCC版本:Sourcery G++ 4.2.1目標機:S3C6410 ARM內核爲arm1176jzf-s(GCC有-mcpu=arm1176jzf-s)
主機:Ubuntu 8.04
提示:mplayer有自動configure,無需手動寫Make~注意區分GCC的參數和configure的參數。
參考文章:
ARM MPlayer移植過程 http://www.usr.cc/html/54/n-654.html
mplayer在arm 2410上的移植 http://www.hzlitai.com.cn/article/ARM9-article/example/1483.html
- ./configure --host-cc=gcc --cc=arm-none-linux-gnueabi-gcc--target=arm-armv6-linux --enable-armv6 --enable-armvfp --enable-static--prefix=/home/mplayer --disable-dvdread --enable-fbdev--disable-mencoder --disable-live 2>&1 | tee logfile
- mpcommon.c: In function 'update_subtitles':
- mpcommon.c:129: warning: dereferencing type-punned pointer will break strict-aliasing rules
- {standard input}: Assembler messages:
- {standard input}:482: Error: selected processor does not support `rev16 r3,r3'
- make: *** [mpcommon.o] 錯誤 1
- ./configure --host-cc=gcc--cc=arm-none-linux-gnueabi-gcc --enable-armv6 --enable-armvfp--enable-static --prefix=/home/mplayer --disable-dvdread--enable-fbdev --disable-mencoder --disable-live 2>&1 | teelogfile
- vidix/vidix.c: In function 'vdlConfigPlayback':
- ./libavutil/x86/bswap.h:44: error: invalid 'asm': invalid operand for code 'w'
- ./libavutil/x86/bswap.h:44: error: invalid 'asm': invalid operand for code 'w'
- {standard input}: Assembler messages:
- {standard input}:40: Error: bad instruction `rorw $8,'
- {standard input}:41: Error: bad instruction `rorl $16,ip'
- {standard input}:42: Error: bad instruction `rorw $8,'
- make: *** [vidix/vidix.o] 錯誤 1
- ./configure --host-cc=gcc --cc=arm-none-linux-gnueabi-gcc--target=arm-linux --enable-armv6 --enable-armvfp --enable-static--prefix=/home/mplayer --disable-dvdread --enable-fbdev--disable-mencoder --disable-live 2>&1 | tee logfile
- mpcommon.c: In function 'update_subtitles':
- mpcommon.c:129: warning: dereferencing type-punned pointer will break strict-aliasing rules
- {standard input}: Assembler messages:
- {standard input}:482: Error: selected processor does not support `rev16 r3,r3'
- make: *** [mpcommon.o] 錯誤 1
- ./configure --host-cc=gcc --cc=arm-none-linux-gnueabi-gcc--enable-armv6 --enable-static --prefix=/home/mplayer --disable-dvdread--enable-fbdev --disable-mencoder --disable-live
其實,configure腳本是爲了根據配置參數和系統環境自動生成config.mak,而config.mak又是包含在Makefile當中的。在config.mak中,發現./configure用到的參數都原封不動地搬進去了。
通過閱讀gcc -help 和 gcc --platform-help 找到的-mcpu=arm1176jzf-s 這個參數希望用上。
- ./configure --host-cc=gcc --cc=arm-none-linux-gnueabi-gcc-mcpu=arm1176jzf-s --enable-armv6 --enable-armvfp --enable-static--prefix=/home/mplayer --disable-dvdread --enable-fbdev--disable-mencoder --disable-live 2>&1 | tee logfile
但是gcc應該是認識的。於是,首先使用
- ./configure --host-cc=gcc --cc=arm-none-linux-gnueabi-gcc--enable-armv6 --enable-armvfp --enable-static --prefix=/home/mplayer--disable-dvdread --enable-fbdev --disable-mencoder --disable-live
應該說這次編譯應該是比較順利的,關鍵是採用了與源代碼版本相適應的編譯工具環境,才能相對順利。