From: Ian Lynagh <igloo@earth.li>
Date: Fri, 19 Sep 2008 11:58:31 +0000 (+0000)
Subject: Don't require Parser.y in a source dist
X-Git-Tag: 6_10_branch_has_been_forked^0
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=e0f3f5f3d0f70a5c128343ac16b815e73f1c1827

Don't require Parser.y in a source dist
---

diff --git a/compiler/Makefile b/compiler/Makefile
index 69b2903..d64732a 100644
--- a/compiler/Makefile
+++ b/compiler/Makefile
@@ -189,7 +189,13 @@ CONFIGURE_FLAGS_STAGE1 += $(USE_BOOT_CONFIGURE_FLAGS)
 CONFIGURE_FLAGS_STAGE2 += $(USE_STAGE1_CONFIGURE_FLAGS)
 CONFIGURE_FLAGS_STAGE3 += $(USE_STAGE2_CONFIGURE_FLAGS)
 
-boot.stage.%: $(PRIMOP_BITS) $(CONFIG_HS) parser/Parser.y
+# In a source dist we don't need to worry about Parser.y(.pp) as we have
+# the .hs file pre-generated
+ifneq "$(wildcard parser/Parser.y.pp)" ""
+PARSER_Y = parser/Parser.y
+endif
+
+boot.stage.%: $(PRIMOP_BITS) $(CONFIG_HS) $(PARSER_Y)
 	test -f $(STAGE3_PACKAGE_CONF) || echo "[]" > $(STAGE3_PACKAGE_CONF)
 	$(CABAL) configure --distpref dist-stage$* \
 	                   $(CONFIGURE_FLAGS_STAGE$*) \