On 2018/10/27 8:43, Akira Yokosawa wrote: > On 2018/10/27 8:06, Andrea Parri wrote: >>> And you have a2ping 2.83p, right? Otherwise, Makefile should >>> complain. Hmm??? >> >> Indeed, 2.83p. >> >> >>> >>> Can you remove "> /dev/null 2>&1" on line 220 of Makefile, >>> and let me know what a2ping should say? >> >> It says: >> >> /usr/local/bin/a2ping: not a GS output from gs (0) > > Umm, "gs (0)" suggests exit code of gs is 0, which should indicate > success. I have no idea what is going on. Andrea, Do you happen to set some of environment variables: GS_OPTIONS GS_DEVICE and the like? Akira > > I have a Ubuntu 18.04 virtual machine and a2ping 2.83p works happily > there. > > Sorry but I can't help you at the moment. > > Akira > >> >> Andrea >> >> >>> >>> "GPL Ghostscript 9.25: Unrecoverable error, exit code 1" is not >>> fatal and can be ignored as far as I know. >>> >>> Akira >