This is needed on Solaris.
	https://unicode-org.atlassian.net/browse/ICU-20852
	
--- source/data/Makefile.in	(revision 53392)
+++ source/data/Makefile.in	(working copy)
@@ -148,7 +148,8 @@ ICUDATA_ARCHIVE = $(firstword $(wildcard $(srcdir)
 # and convert it to the current type.
 ifneq ($(ICUDATA_ARCHIVE),)
 ICUDATA_SOURCE_ARCHIVE = $(OUTDIR)/$(ICUDATA_PLATFORM_NAME).dat
-$(ICUDATA_SOURCE_ARCHIVE): $(ICUDATA_ARCHIVE) $(OUTDIR)
+$(ICUDATA_SOURCE_ARCHIVE): $(ICUDATA_ARCHIVE)
+	$(MKINSTALLDIRS) $(OUTDIR)
 	$(INVOKE) $(TOOLBINDIR)/icupkg -t$(ICUDATA_CHAR) $(ICUDATA_ARCHIVE) $(ICUDATA_SOURCE_ARCHIVE)
 endif
 else