X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=mk%2Fpackage.mk;h=9b022583fa3b12bcb2547bd574896449faac2c6b;hb=6e5df3a4551b8d8b83e936b3f7b52edfc778ca8a;hp=0d51a8c013424148dccf7e4656358efad8ae5554;hpb=c10a65bc81be6cf915c4490e82d716e9b3f4cfe9;p=ghc-hetmet.git

diff --git a/mk/package.mk b/mk/package.mk
index 0d51a8c..9b02258 100644
--- a/mk/package.mk
+++ b/mk/package.mk
@@ -1,5 +1,5 @@
 # -----------------------------------------------------------------------------
-# $Id: package.mk,v 1.18 2002/09/25 10:32:23 simonmar Exp $
+# $Id: package.mk,v 1.19 2002/09/26 09:07:50 simonmar Exp $
 
 ifneq "$(PACKAGE)" ""
 
@@ -160,6 +160,14 @@ HTML_DIR = html
 HTML_DOC = $(HTML_DIR)/index.html
 
 ifneq "$(HS_PPS)" ""
+
+ifeq "$(HADDOCK)" ""
+html ::
+	@echo Haddock must be installed in order to build HTML library documentation.
+	@echo Please install Haddock and re-configure.
+	@exit 1
+endif
+
 html :: $(HTML_DOC)
 
 $(HTML_DOC) : $(HS_PPS)