在CentOS 5上无法使用--enable-libass编译FFmpeg

Question

已经安装了libass和libass-develyuminstalllibasslibass-devel...Packagelibass-0.9.11-1.el5.rf.i386alreadyinstalledandlatestversionPackagelibass-devel-0.9.11-1.el5.rf.i386alreadyinstalledandlatestversionNothingtodoffmpeg源码是从官方git获取的。编译参数：./configure--enable-version3\--enable-libvorbis\--enable-libx264\--enable-libxvid\--disable-ffplay\--enable-shared\--enable-libmp3lame\--enable-gpl\--enable-pthreads\--enable-postproc\--enable-x11grab\--enable-libgsm\--enable-swscale\--enable-nonfree\--enable-avfilter\--enable-libass每次编译总是提示：ERROR:libassnotfoundconfig.log最后两行check_pkg_configlibassass/ass.hass_library_initERROR:libassnotfound我也看了/usr/local/include/ass/ass.h和/usr/include/ass/ass.hass.h明明存在。求解答。

Answer 1

我用CentOS5.6，单独下载libass源码编译安装后--enable-libass也是不认，从yum安装的话可以认，虽然版本低了点，不知道为什么
                            

Answer 2

在libass设置环境变量exportPKG_CONFIG_PATH=/usr/local/lib/pkgconfig:$PKG_CONFIG_PATH