From 9eb4c7200cd0b8a77cbb10c71cb342bd83bd54ad Mon Sep 17 00:00:00 2001
From: simonmar <unknown>
Date: Mon, 17 Feb 2003 11:18:45 +0000
Subject: [PATCH] [project @ 2003-02-17 11:18:45 by simonmar] Emit an error if
 we're trying to build GHC from source without GHC
 installed.

---
 configure.in |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/configure.in b/configure.in
index 86e3a98..cb45623 100644
--- a/configure.in
+++ b/configure.in
@@ -468,6 +468,10 @@ AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 fi;
 fi;
 
+dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
+if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
+AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
+fi;
 
 dnl ** Enable multi-thread friendly RTS?
 dnl --------------------------------------------------------------
-- 
1.7.10.4