From 87bf5c65a7b9dec4a753960a587ccfce9215a6a1 Mon Sep 17 00:00:00 2001
From: simonmar <unknown>
Date: Thu, 11 Dec 2003 11:23:24 +0000
Subject: [PATCH] [project @ 2003-12-11 11:23:24 by simonmar] Hacking in the
 .pp suffix rule: leave #include directives in place.

---
 mk/suffix.mk |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mk/suffix.mk b/mk/suffix.mk
index 3fddbd8..fd3b6c4 100644
--- a/mk/suffix.mk
+++ b/mk/suffix.mk
@@ -328,6 +328,11 @@ endif
 #-----------------------------------------------------------------------------
 # Preprocessor suffix rule
 
+# We're careful to remove cpp-droppings from the generated file; things like
+# '#line' pragmas.  But we also leave in #include directives, because these
+# are likely to be intentional (perhaps the file is going to be CPP'd again -
+# this is used by ghc/compiler/parser/Parser.y.pp).
+
 % : %.pp
 	@$(RM) $@
-	$(CPP) $(RAWCPP_FLAGS) $(CPP_OPTS) -x c $< | $(SED) -e '/^#/d' > $@
+	$(CPP) $(RAWCPP_FLAGS) $(CPP_OPTS) -x c $< | $(SED) -e '/^#[^i]/d' > $@
-- 
1.7.10.4