The value of QMAKE is taken from the environment - just like MAKE.

--
user: Michael Guravage <michael.guravage@cwi.nl>
branch 'default'
changed src/Makefile
changed src/TutorialCode/Tutorial0/Makefile
changed src/TutorialCode/Tutorial1A/Makefile
changed src/TutorialCode/Tutorial1B/Makefile
changed src/TutorialCode/Tutorial1C/Makefile
changed src/TutorialCode/Tutorial1D/Makefile
changed src/TutorialCode/Tutorial2/Makefile
changed src/TutorialCode/Tutorial3/Makefile
changed src/TutorialCode/Tutorial4/Makefile
changed src/TutorialCode/Tutorial5/Makefile
changed src/build_models/Makefile