Installing Haskell Platform (with GHC 6.10.4) in Ubuntu Karmic

From http://gist.github.com/326372

#!/bin/bash

# Install dependencies
sudo apt-get install ghc6 ghc6-prof ghc6-doc haddock libglut-dev happy alex \
libedit-dev zlib1g-dev checkinstall libghc6-mtl-prof libghc6-network-prof

# Get haskell-platform
wget http://hackage.haskell.org/platform/2009.2.0.2/haskell-platform-2009.2.0.2.tar.gz
tar -xzf haskell-platform-2009.2.0.2.tar.gz
cd haskell-platform-2009.2.0.2

# Build & Install
./configure

# Before doing a make, install this patch from http://trac.haskell.org/haskell-platform/ticket/84
# Patch appended at the end of the post

make
sudo checkinstall -y

cabal update


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PATCH FOLLOWS
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A quick(-and-dirty) hot fix: -- code copied from build.sh

---
scripts/install.sh |   18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)

Index: haskell-platform-2009.2.0.2/scripts/install.sh
===================================================================
--- haskell-platform-2009.2.0.2.orig/scripts/install.sh
+++ haskell-platform-2009.2.0.2/scripts/install.sh
@@ -34,13 +34,23 @@ install_pkg () {
  fi
}

+# Is this exact version of the package already installed?
+is_pkg_installed () {
+  PKG_VER=$1
+  grep " ${PKG_VER} " installed.packages > /dev/null 2>&1
+}
+
# Actually do something!
cd packages
for pkg in `cat platform.packages`; do
-  cd "${pkg}" || die "The directory for the component ${PKG} is missing"
-  echo "Installing ${pkg}..."
-  install_pkg ${pkg}
-  cd ..
+  if is_pkg_installed "${pkg}"; then
+    echo "Platform package ${pkg} is already installed. Skipping..."
+  else
+    cd "${pkg}" || die "The directory for the component ${PKG} is missing"
+    echo "Installing ${pkg}..."
+    install_pkg ${pkg}
+    cd ..
+  fi
done

echo

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