Hi Manuel, Manuel Pégourié-Gonnard wrote: > Hi, > > My last attempt to build the current trunk, as well as 0.50.0, failed. Surely > this is a problem with my local configuration, but I used to be able to build > luatex successfully on this machine. Below is the end of the output from > build.sh, and I attach config.log in case it may contain clues.
This typically means that your shell is /bin/dash or some other shell that does not understand += notation for variables. Adding export CONFIG_SHELL=/bin/bash before running the build should fix it (this is a known problem with the configure script that I import from TeXLive) Best wishes, Taco
