add GNU make note

vladak · vladak · commit 6aecc26513ff · 2024-10-06T21:40:09.000+02:00
diff --git a/lib-abi/Makefile b/lib-abi/Makefile
@@ -2,6 +2,7 @@ all: $(PROGS)
 
 include ../Makefile.common
 
+# Assumes GNU make.
 ifeq ($(UNAME_S),Darwin)
 PROGS=
 else
