XXXX Allow OpenZFS contributors to build-check their changes on illumos

@@ -42,11 +42,12 @@
         protocmp.terse \
         sccscheck \
         webrev \
         which_scm \
         ws \
-        xref
+        xref \
+        zmake
 
 PERLFILES= \
         check_rtime \
         find_elf \
         interface_check \