When making a DLL, print the number of symbols that are in it

rules/build-package-way.mk

@@ -158,6 +158,7 @@ define build-dll
 	    -no-auto-link-packages \
 	    -o $6
 # Now check that the DLL doesn't have too many symbols. See trac #5987.
+	echo -n "Number of symbols in $6: "; $(OBJDUMP) -p $6 | sed -n "1,/^.Ordinal\/Name Pointer/ D; p; /^$$/ q" | tail -n +2 | wc -l
 	case `$(OBJDUMP) -p $6 | sed -n "1,/^.Ordinal\/Name Pointer/ D; p; /^$$/ q" | grep "\[ *0\]" | wc -l` in 1) echo DLL $6 OK;; 0) echo No symbols in DLL $6; exit 1;; [0-9]*) echo Too many symbols in DLL $6; $(OBJDUMP) -p $6 | sed -n "1,/^.Ordinal\/Name Pointer/ D; p; /^$$/ q" | tail; exit 1;; *) echo bad DLL $6; exit 1;; esac
 endef