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我试图在ubuntu 10.04上为vlc运行'./configure'。但由于某些原因它找不到libavcode库。我检查/ usr/lib，它有库，为什么./configure找不到它？运行./configure for vlc时找不到libavcodec
这是从 '的./configure' 的错误：
checking for AVCODEC... no
configure: error: Could not find libavcodec or libavutil. Use --disable-avcodec to ignore this error.
但我已经安装的libavcodec-dev的，但它仍然失败：
$ sudo apt-get install libavcodec-dev
Reading package lists... Done
Building dependency tree
Reading state information... Done
libavcodec-dev is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 201 not upgraded.
我已签“/ usr/lib目录'，我看到libavcodec.so：
-rw-r--r-- 1 root root 7339558 2010-03-04 04:42 libavcodec.a
lrwxrwxrwx 1 root root 21 2010-06-26 00:38 libavcodec.so -> libavcodec.so.52.20.1
lrwxrwxrwx 1 root root 21 2010-05-10 22:30 libavcodec.so.52 -> libavcodec.so.52.20.1
-rw-r--r-- 1 root root 5560152 2010-03-04 04:54 libavcodec.so.52.20.1
-rw-r--r-- 1 root root 1316312 2010-03-04 04:42 libavformat.a
lrwxrwxrwx 1 root root 22 2010-06-26 00:38 libavformat.so -> libavformat.so.52.31.0
lrwxrwxrwx 1 root root 22 2010-05-10 22:30 libavformat.so.52 -> libavformat.so.52.31.0
-rw-r--r-- 1 root root 694880 2010-03-04 04:42 libavformat.so.52.31.0
-rw-r--r-- 1 root root 85164 2010-03-04 04:42 libavutil.a
lrwxrwxrwx 1 root root 20 2010-06-26 00:38 libavutil.so -> libavutil.so.49.15.0
lrwxrwxrwx 1 root root 20 2010-05-10 22:30 libavutil.so.49 -> libavutil.so.49.15.0
-rw-r--r-- 1 root root 47296 2010-03-04 04:54 libavutil.so.49.15.0
谢谢你的帮助。