According to the build log, this issue is caused by the recent change of gyp. https://code.google.com/p/gyp/source/browse/trunk/gyp?r=1667
build_mozc.py has internally called gyp as 'python /usr/bin/gyp'. This was OK because /usr/bin/gyp was a python script. However, gyp r1667 replaced /usr/bin/gyp with a bash script. Then 'python /usr/bin/gyp' now results in a syntax error. I guess you can simply get rid of 'sys.executable' from build_mozc.py at the following line to solve this issue. https://code.google.com/p/mozc/source/browse/trunk/src/build_mozc.py?r=124#610 - command_line = [sys.executable, gyp_command, + command_line = [gyp_command, Hope this helps.
