checking for strerror... yes CFLAGS: -Os -fstack-clash-protection -Wformat -Werror=format-security -fno-plt -fstack-protector -std=c99 -Wall -W -Wextra -pedantic -pipe -Wformat -Wold-style-definition -Wdeclaration-after-statement -Wfloat-equal -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wredundant-decls -Wmissing-noreturn -Wshadow -Wendif-labels -Wpointer-arith -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -fdiagnostics-show-option -Wno-cast-qual -fno-strict-aliasing ../avahi-utils/stdb.c:52:41: error: 'DATABASE_FILE' undeclared (first use in this function) make: *** [Makefile:781: libavahi_ui_gtk3_la-stdb.lo] Error 1 cc: error: \@-DDEBUG_TRAP=__asm__("int $3")\: linker input file not found: No such file or directory cc: error: \@-DGNOMELOCALEDIR="/usr/share/locale"\: linker input file not found: No such file or directory cc: error: \@-DDATABASE_FILE="/usr/lib/avahi/service-types.db"\: linker input file not found: No such file or directory make: *** [Makefile:774: libavahi_ui_gtk3_la-avahi-ui.lo] Error 1 >>> ERROR: avahi-ui: build failed