Thanks Rob, I was able to move a little bit more forward, but still have some weird problems.
Here is the what happens :
I have update my Mac, authorize again Corona and here is the new error. ANT not found.
Nicolass-Mac-mini:android nmichaud$ ././build.sh $ANDROID_HOME
CORONA_PATH: …/…/…/…/…/…/Applications/CoronaEnterprise
Updated local.properties
build.xml: Found version-tag: custom. File will not be updated.
Updated file ./proguard-project.txt
Updated local.properties
Updated file …/…/…/…/…/…/Applications/CoronaEnterprise/Corona/android/lib/Corona/proguard-project.txt
Using Corona Enterprise Dir: …/…/…/…/…/…/Applications/CoronaEnterprise
././build.sh: line 91: ant: command not found
Exiting due to errors (above)
Nicolass-Mac-mini:android nmichaud$ android