This package adds itself CFLAGS="-ggdb" and it should drop it /bin/sh ../../libtool --silent --tag=CC --mode=compile x86_64-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I../.. -I../.. -I../../include -I../../include -I/libmailutils -DSYSCONFDIR=\"/etc\" -march=native -g0 -pipe -Wall -Wdeclaration-after-statement -ggdb -c -o auth.lo auth.c
Fixed without a revbump. Thanks for the report Ago.