求教：QT4.5.0在redhat9.0中编译不通过的问题

想请问各位：我在redhat9.0中试着装QT4.5时，执行./x86_qt4.5_build时，出现错误如下：
In file included from /opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/corelib/tools/qbytearray.cpp:55:
/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/zlib/zlib.h:223: visibility
   arg must be one of "hidden", "protected" or "internal"
/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/zlib/zlib.h:253: visibility
   arg must be one of "hidden", "protected" or "internal"
/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/zlib/zlib.h:339: visibility
   arg must be one of "hidden", "protected" or "internal"
/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/zlib/zlib.h:374: visibility
   arg must be one of "hidden", "protected" or "internal"
/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/zlib/zlib.h:473: visibility
   arg must be one of "hidden", "protected" or "internal"
/opt/EmbedSky/qt-4.5/qt-embedded-linux-opensource-src-4.5.0/src/3rdparty/zlib/zlib.h:551: visibility
   arg must be one of "hidden", "protected" or "internal"
是什么原因呢？盼各位赐教

跟RedHat9的环境有关，按照路径，进到文件里，（慎重）改一下。