allora ti posto per intero l'errore che mi da
"/usr/bin/make" -f nbproject/Makefile-Release.mk QMAKE= SUBPROJECTS= .build-conf
"/usr/bin/make" -f nbproject/Makefile-Release.mk dist/Release/GNU-MacOSX/agenzia_immobiliare
make[2]: *** No rule to make target `main.c', needed by `build/Release/GNU-MacOSX/main.o'. Stop.
make[1]: *** [.build-conf] Error 2
make: *** [.build-impl] Error 2

BUILD FAILED (exit value 2, total time: 123ms)

uso netbeans ed ho poca dimistichezza con mac e con questo programma