Build system improvements

We no longer use dummy-ghc; instead we don't configure most packages
until the stage1 compiler is available.
  
We also now use Cabal for building the ghc-bin package.

There are a couple more sanity checks too.

2 files changed, 9 insertions, 15 deletions

diff --git a/ghc/ghc-bin.cabal.in b/ghc/ghc-bin.cabal.in
index 888883a856..a9d150be23 100644
--- a/ghc/ghc-bin.cabal.in
+++ b/ghc/ghc-bin.cabal.in
@@ -18,24 +18,18 @@ Data-Files: extra-gcc-opts
 Build-Type: Simple
 Cabal-Version: >= 1.2
 
-Flag base3
-    Description: Choose the new smaller, split-up base package.
-
 Flag ghci
     Description: Build GHCi support.
 
 Executable ghc
     Main-Is: Main.hs
-    if flag(base3)
-        Build-Depends: base       >= 3   && < 5,
-                       array      >= 0.1 && < 0.3,
-                       bytestring >= 0.9 && < 0.10,
-                       directory  >= 1   && < 1.2,
-                       process    >= 1   && < 1.1
-    else
-        Build-Depends: base < 3
-    Build-Depends: base, ghc
-    Build-Depends: filepath >= 1 && < 1.2
+    Build-Depends: base       >= 3   && < 5,
+                   array      >= 0.1 && < 0.4,
+                   bytestring >= 0.9 && < 0.10,
+                   directory  >= 1   && < 1.2,
+                   process    >= 1   && < 1.1,
+                   filepath   >= 1   && < 1.3,
+                   ghc
     if os(windows)
         Build-Depends: Win32
     else
diff --git a/ghc/ghc.mk b/ghc/ghc.mk
index 3b68d5b3b9..e178a1a506 100644
--- a/ghc/ghc.mk
+++ b/ghc/ghc.mk
@@ -11,8 +11,8 @@
 # -----------------------------------------------------------------------------
 
 # ToDo
-ghc_USES_CABAL = NO
-# ghc_PACKAGE = ghc-bin
+ghc_USES_CABAL = YES
+ghc_PACKAGE = ghc-bin
 
 ghc_stage1_HC_OPTS = $(GhcStage1HcOpts)
 ghc_stage2_HC_OPTS = $(GhcStage2HcOpts)