From baad5d7cb4ee715fe0743a6b160096f1515641fe Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Sat, 18 Apr 2009 15:23:00 +0000
Subject: [PATCH] * GHC setup hook: don't generate wrappers around ghc etc.,
 instead   set GHC_PACKAGE_PATH. * Let Cabal generate a package configuration
 file   ($out/nix-support/ghc-package.conf) instead of a registration  
 script.

svn path=/nixpkgs/trunk/; revision=15127
---
 pkgs/development/compilers/ghc/setup-hook.sh  | 39 ++++---------------
 .../libraries/haskell/cabal/cabal.nix         | 12 ++----
 pkgs/top-level/haskell-packages.nix           |  4 +-
 pkgs/top-level/release.nix                    |  1 -
 4 files changed, 12 insertions(+), 44 deletions(-)

diff --git a/pkgs/development/compilers/ghc/setup-hook.sh b/pkgs/development/compilers/ghc/setup-hook.sh
index a73ddada026..dc7066f31b6 100644
--- a/pkgs/development/compilers/ghc/setup-hook.sh
+++ b/pkgs/development/compilers/ghc/setup-hook.sh
@@ -1,40 +1,15 @@
-# Support dir for isolating GHC
-ghc_support=$TMPDIR/ghc-6.8-nix-support
-ensureDir $ghc_support
-
 # Create isolated package config
-packages_db=$ghc_support/package.conf
+packages_db=$TMPDIR/.package.conf
 cp @ghc@/lib/ghc-*/package.conf $packages_db
-chmod +w $packages_db
+chmod u+w $packages_db
 
-# Generate wrappers for GHC that use the isolated package config
-makeWrapper() {
-  wrapperName="$1"
-  wrapper="$ghc_support/$wrapperName"
-  shift #the other arguments are passed to the source app
-  echo '#!'"$SHELL" > "$wrapper"
-  echo "exec \"@ghc@/bin/$wrapperName\" $@" '"$@"' >> "$wrapper"
-  chmod +x "$wrapper"
-}
-
-makeWrapper "ghc"         "-no-user-package-conf -package-conf $packages_db"
-makeWrapper "ghci"        "-no-user-package-conf -package-conf $packages_db"
-makeWrapper "runghc"      "-no-user-package-conf -package-conf $packages_db"
-makeWrapper "runhaskell"  "-no-user-package-conf -package-conf $packages_db"
-makeWrapper "ghc-pkg"     "--global-conf $packages_db"
-
-# Add wrappers to search path
-export _PATH=$ghc_support:$_PATH
+export GHC_PACKAGE_PATH=$packages_db
 
 # Env hook to add packages to the package config
-addLibToPackageConf ()
-{
-    local regscript=$1/nix-support/register-ghclib.sh
-    if test -f $regscript; then
-        local oldpath=$PATH
-        export PATH=$ghc_support:$PATH
-        sh $regscript $package_db
-        export PATH=$oldpath
+addLibToPackageConf () {
+    local confFile=$1/nix-support/ghc-package.conf
+    if test -f $confFile; then
+        @ghc@/bin/ghc-pkg register $confFile
     fi
 }
 
diff --git a/pkgs/development/libraries/haskell/cabal/cabal.nix b/pkgs/development/libraries/haskell/cabal/cabal.nix
index bafcedced63..d46787b8630 100644
--- a/pkgs/development/libraries/haskell/cabal/cabal.nix
+++ b/pkgs/development/libraries/haskell/cabal/cabal.nix
@@ -78,16 +78,10 @@ attrs :
               eval "$preInstall"
 
               ./Setup copy
-              ./Setup register --gen-script
-              mkdir -p $out/nix-support
-              if test -f register.sh; then
-                sed -i 's/|.*\(ghc-pkg update\)/| \1/' register.sh
-                cp register.sh $out/nix-support/register-ghclib.sh
-                sed -i 's/\(ghc-pkg update\)/\1 --user/' register.sh
-                mkdir -p $out/bin
-                cp register.sh $out/bin/register-${self.name}.sh
-              fi
 
+              ensureDir $out/nix-support              
+              ./Setup register --gen-pkg-config=$out/nix-support/ghc-package.conf
+              
               eval "$postInstall"
             '';
           };
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 7e599a5acde..31200d6bd8b 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -113,8 +113,8 @@ rec {
   # Compilers.
 
   ehc = import ../development/compilers/ehc {
-    inherit ghc;
-    inherit (pkgs) fetchsvn stdenv coreutils m4 libtool uulib uuagc llvm;
+    inherit ghc uulib uuagc;
+    inherit (pkgs) fetchsvn stdenv coreutils m4 libtool llvm;
   };
 
 
diff --git a/pkgs/top-level/release.nix b/pkgs/top-level/release.nix
index 9bfb1d65109..a2601c14ce0 100644
--- a/pkgs/top-level/release.nix
+++ b/pkgs/top-level/release.nix
@@ -293,7 +293,6 @@ in {
   wget = all;
   wine = ["i686-linux"];
   wirelesstools = linux;
-  wxHaskell = linux;
   x11_ssh_askpass = linux;
   xchm = linux;
   xfig = x11Supported;