[project @ 2005-03-24 18:44:16 by sof]

SRC_HC_OPTS: only add -ignore-package if supported by underlying GHC.
             (reqd to be able to compile greencard/lib, hdirect/(com)lib with
	     non-cutting edge GHCen.)

Merge to STABLE.

mk/package.mk

 # -----------------------------------------------------------------------------
-# $Id: package.mk,v 1.49 2005/03/03 21:01:49 wolfgang Exp $
+# $Id: package.mk,v 1.50 2005/03/24 18:44:16 sof Exp $
 
 ifneq "$(PACKAGE)" ""
 
@@ -161,7 +161,18 @@ endif
 SRC_HSC2HS_OPTS += -I.
 
 ifeq "$(NON_HS_PACKAGE)" ""
+# Only use -ignore-package if supported by HC; i.e., ghc-6.3 and later.
+# (Don't like the use of slow $(shell ..) in Makefiles, but can't see a way around it here.)
+ifeq "$(STANDALONE_PACKAGE)" "NO"
+SRC_HC_OPTS 	+= -ignore-package $(PACKAGE)
+else
+ifneq "$(strip $(GHC))" ""
+# Making the assumption here that standalone packages will be using mk/config.mk:GHC
+SRC_HC_OPTS = $(shell if (test $(GhcCanonVersion) -ge 603); then echo "-ignore-package $(PACKAGE)"; fi)
+else
 SRC_HC_OPTS 	+= -ignore-package $(PACKAGE)
+endif
+endif
 SRC_HC_OPTS 	+= $(GhcLibHcOpts)
 SRC_HC_OPTS     += $(patsubst %, -package %, $(PACKAGE_DEPS))
 endif