After working hard for the Windows build work with autoconf, it now shows another problem: when the script succeeds, it returns:
...
make[3]: Leaving directory '/c/Users/travis/build/mchehab/zbar'
make[2]: Leaving directory '/c/Users/travis/build/mchehab/zbar'
make[1]: Leaving directory '/c/Users/travis/build/mchehab/zbar'
The command "${TRAVIS_BUILD_DIR}/travis/${TRAVIS_OS_NAME}.${TARGET_OS}.script" exited with 0.
But the jobs keep running until the 10 minutes timeout, causing it to fail at the end: