CC=cc
CXX=CC
CFLAGS=-O3 -common
CXXFLAGS=-O3 -LANG:std -common
./configure --prefix=/usr/local/kde-3.0.2 \
	--disable-debug \
	--with-extra-includes=/usr/local/include \
	--with-extra-libs=/usr/local/lib \
	--with-qt-dir=/usr/local/qt-3.0.3

no issues