X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=mk%2Fsuffix.mk;h=b53280ac05498e1bdc011ff9f8010f48d2a03ea6;hb=4574f821b6c47a7a6304e76bf36f618cda06ef6d;hp=8792d3cd76f0dcc08ce0ebdd78bfabc1762010c7;hpb=65fd4516b2c410f927337607254b46b5591dd85e;p=ghc-hetmet.git

diff --git a/mk/suffix.mk b/mk/suffix.mk
index 8792d3c..b53280a 100644
--- a/mk/suffix.mk
+++ b/mk/suffix.mk
@@ -22,6 +22,10 @@
 
 .DELETE_ON_ERROR:
 
+# This line prevents GNU make from deleting any intermediate targets:
+
+.SECONDARY:
+
 #-----------------------------------------------------------------------------
 # Haskell Suffix Rules
 
@@ -131,8 +135,6 @@ endif # BootingFromHc
 #-----------------------------------------------------------------------------
 # Happy Suffix Rules
 #
-.SECONDARY: %.hs
-
 %.hs : %.ly
 	$(HAPPY) $(HAPPY_OPTS) $<
 
@@ -156,18 +158,9 @@ ifneq "$(BootingFromHc)" "YES"
 endif
 
 #-----------------------------------------------------------------------------
-# Lx Suffix Rules
-#
-
-%.hs : %.lx
-	$(LX) $(LX_OPTS) $<
-
-#-----------------------------------------------------------------------------
 # Green-card Suffix Rules
 #
 
-.PRECIOUS: %.gc
-
 %.hs %_stub_ffi.c %_stub_ffi.h : %.gc
 	$(GREENCARD) $(GC_OPTS) $<
 
@@ -269,8 +262,17 @@ endif
 		    $(DIR_DOCBOOK_XSL)/htmlhelp/htmlhelp.xsl $<
 
 # TODO: Detect hhc via autoconf
+#
+# Two obstables here:
+#
+# * The reason for the strange "if" below is that hhc returns 0 on error and 1
+#   on success, the opposite of what shells and make expect.
+#
+# * There seems to be some trouble with DocBook indices, but the *.chm looks OK,
+#   anyway, therefore we pacify make by "|| true". Ugly...
+#
 %.chm : %-htmlhelp/index.html
-	( cd $(dir $<) && hhc htmlhelp.hhp )
+	( cd $(dir $<) && if hhc htmlhelp.hhp ; then false ; else true ; fi ) || true
 
 %.fo : %.xml
 	$(XSLTPROC) --output $@ \