will@pigoon:~/projects/kde/qconf> ./configure
Configuring QConf ...
Verifying Qt 4 build environment ... ok

Good, your configure finished.  Now run /usr/bin/gmake.

will@pigoon:~/projects/kde/qconf> make
g++ -c -pipe -g -Wall -W -D_REENTRANT  -DDATADIR="/usr/local/share" -DQT_XML_LIB -DQT_CORE_LIB -DQT_SHARED -I/kde4/installs/qt/mkspecs/linux-g++ -I. -I/kde4/installs/qt/include/QtCore -I/kde4/installs/qt/include/QtCore -I/kde4/installs/qt/include/QtXml -I/kde4/installs/qt/include/QtXml -I/kde4/installs/qt/include -I. -I. -o stringhelp.o src/stringhelp.cpp
g++ -c -pipe -g -Wall -W -D_REENTRANT  -DDATADIR="/usr/local/share" -DQT_XML_LIB -DQT_CORE_LIB -DQT_SHARED -I/kde4/installs/qt/mkspecs/linux-g++ -I. -I/kde4/installs/qt/include/QtCore -I/kde4/installs/qt/include/QtCore -I/kde4/installs/qt/include/QtXml -I/kde4/installs/qt/include/QtXml -I/kde4/installs/qt/include -I. -I. -o qconf.o src/qconf.cpp
src/qconf.cpp: In function ‘int main(int, char**)’:
src/qconf.cpp:1269: error: ‘usr’ was not declared in this scope
src/qconf.cpp:1269: error: ‘local’ was not declared in this scope
src/qconf.cpp:1269: error: ‘share’ was not declared in this scope
src/qconf.cpp:1269: error: expected primary-expression before ‘(’ token
src/qconf.cpp:1269: error: expected primary-expression before ‘/’ token
src/qconf.cpp:1271: error: expected primary-expression before ‘(’ token
src/qconf.cpp:1271: error: expected primary-expression before ‘/’ token
make: *** [qconf.o] Error 1