make: cond-func.mk:37: Missing ")" after argument "A" for "defined" make: cond-func.mk:53: Missing ")" after argument "A" for "defined" make: cond-func.mk:57: Missing ")" after argument "A" for "defined" make: cond-func.mk:91: Unknown operator "&" make: cond-func.mk:107: A plain function name is parsed as defined(...). make: cond-func.mk:115: A plain function name is parsed as defined(...). make: cond-func.mk:126: Symbols may start with a function name. make: cond-func.mk:132: Symbols may start with a function name. make: cond-func.mk:138: Missing ")" after argument "" for "defined" make: cond-func.mk:145: Missing ")" after argument "${:UVARNAME}.param" for "defined" make: Fatal errors encountered -- cannot continue make: stopped in unit-tests exit status 1