为什么我装了glib2.4.0，装软件时仍报告版本低了？

concious_on

装bluecd的时候有一下错误信息(rpm的)：
error: Failed dependencies:
        libcrypto.so.2 is needed by RedBlueVCD-0.2.3-0
        libDCOP-gcc2.96.so.4 is needed by RedBlueVCD-0.2.3-0
        libkdecore-gcc2.96.so.4 is needed by RedBlueVCD-0.2.3-0
        libkdefx-gcc2.96.so.4 is needed by RedBlueVCD-0.2.3-0
        libkdeui-gcc2.96.so.4 is needed by RedBlueVCD-0.2.3-0
        libsmpeg-0.4.so.0 is needed by RedBlueVCD-0.2.3-0
        libssl.so.2 is needed by RedBlueVCD-0.2.3-0

装xmms时的错误信息：
一下是最后那部分的./configure后的信息：
checking for GLIB - version >;= 1.2.2... no
*** The glib-config script installed by GLIB could not be found
*** If GLIB was installed in PREFIX, make sure PREFIX/bin is in
*** your path, or set the GLIB_CONFIG environment variable to the
*** full path to glib-config.
configure: error: *** GLIB >;= 1.2.2 not installed - please install first ***