[CMake] FIND_PROGRAM and qt4

[frederic heem]

Hi,
Here is the problem, qt3 is installed by the distribution, qt4 has been 
manually installed. An application which want to use qt4 will set QTDIR to 
the directory where qt4 is installed.
The macro FIND_PROGRAM found the wrong qmake e.g /usr/lib/qt-3.3/bin/qmake, 
the reason is that FIND_PROGRAM  search first the default path given by the 
variable PATH and then ${QTDIR}/bin. FIND_PROGRAM  shall search first 
${QTDIR}/bin and then the default path. 
A kludge would be to add ${QTDIR}/bin first in the PATH.  Another kludge would 
be to modified FIND_PROGRAM and add the option NO_DEFAULT_PATH. IMHO, these 
are not long term solution.
It's the second time I have problem with the behavior of searching directory, 
the first one was with the macro FIND_PATH.




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