checking for NOUVEAU... yes
checking for RADEON... no
configure: error: Package requirements (libdrm_radeon >= 2.4.56) were not met:
Requested ‘libdrm_radeon >= 2.4.56‘ but version of libdrm_radeon is 2.4.52
Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.
Alternatively, you may set the environment variables RADEON_CFLAGS
and RADEON_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.
解决方法：
下载源代码，编译安装libdrm。点此下载libdrm-2.4.58.tar.gz，安装步骤：
版权声明：本文为博主原创文章，未经博主允许不得转载。
解决：Requested 'libdrm_radeon >= 2.4.56' but version of libdrm_radeon is 2.4.52
原文：http://www.cnblogs.com/subo_peng/p/4688267.html