ghc: drop all compiler versions prior to 7.10.3

None of these old compilers are used anywhere in Nixpkgs, and keeping those
builds working in the face of regular updates of GCC, binutils, and whatnot is
too much effort for no obvious benefit.

12 files changed, 0 insertions, 1077 deletions

diff --git a/pkgs/development/compilers/ghc/7.0.4-binary.nix b/pkgs/development/compilers/ghc/7.0.4-binary.nix
deleted file mode 100644
index 8758ee59d384..000000000000
--- a/pkgs/development/compilers/ghc/7.0.4-binary.nix
+++ /dev/null
@@ -1,146 +0,0 @@
-{ stdenv
-, fetchurl, perl
-, ncurses5, gmp, libiconv
-}:
-
-# Prebuilt only does native
-assert stdenv.targetPlatform == stdenv.hostPlatform;
-
-let
-  libPath = stdenv.lib.makeLibraryPath ([
-    ncurses5 gmp
-  ] ++ stdenv.lib.optional (stdenv.hostPlatform.isDarwin) libiconv);
-
-  libEnvVar = stdenv.lib.optionalString stdenv.hostPlatform.isDarwin "DY"
-    + "LD_LIBRARY_PATH";
-
-in
-
-stdenv.mkDerivation rec {
-  version = "7.0.4";
-
-  name = "ghc-${version}-binary";
-
-  src = fetchurl ({
-    "i686-linux" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-unknown-linux.tar.bz2";
-      sha256 = "0mfnihiyjl06f5w1yrjp36sw9g67g2ymg5sdl0g23h1pab99jx63";
-    };
-    "x86_64-linux" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-unknown-linux.tar.bz2";
-      sha256 = "0mc4rhqcxz427wq4zgffmnn0d2yjqvy6af4x9mha283p1gdj5q99";
-    };
-    "i686-darwin" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-apple-darwin.tar.bz2";
-      sha256 = "0qj45hslrrr8zfks8m1jcb3awwx9rh35ndnpfmb0gwb6j7azq5n3";
-    };
-    "x86_64-darwin" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-apple-darwin.tar.bz2";
-      sha256 = "1m2ml88p1swf4dnv2vq8hz4drcp46n3ahpfi05wh01ajkf8hnn3l";
-    };
-  }.${stdenv.hostPlatform.system}
-    or (throw "cannot bootstrap GHC on this platform"));
-
-  nativeBuildInputs = [ perl ];
-
-  # Cannot patchelf beforehand due to relative RPATHs that anticipate
-  # the final install location/
-  ${libEnvVar} = libPath;
-
-  postUnpack =
-    # GHC has dtrace probes, which causes ld to try to open /usr/lib/libdtrace.dylib
-    # during linking
-    stdenv.lib.optionalString stdenv.isDarwin ''
-      export NIX_LDFLAGS+=" -no_dtrace_dof"
-    '' +
-
-    # Strip is harmful, see also below. It's important that this happens
-    # first. The GHC Cabal build system makes use of strip by default and
-    # has hardcoded paths to /usr/bin/strip in many places. We replace
-    # those below, making them point to our dummy script.
-    ''
-      mkdir "$TMP/bin"
-      for i in strip; do
-        echo '#! ${stdenv.shell}' > "$TMP/bin/$i"
-        chmod +x "$TMP/bin/$i"
-      done
-      PATH="$TMP/bin:$PATH"
-    '' +
-    # We have to patch the GMP paths for the integer-gmp package.
-    ''
-      find . -name integer-gmp.buildinfo \
-          -exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${gmp.out}/lib@" {} \;
-    '' + stdenv.lib.optionalString stdenv.isDarwin ''
-      find . -name base.buildinfo \
-          -exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${libiconv}/lib@" {} \;
-    '' +
-    # Rename needed libraries and binaries, fix interpreter
-    stdenv.lib.optionalString stdenv.isLinux ''
-      find . -type f -perm -0100 -exec patchelf \
-          --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" {} \;
-
-      paxmark m ./ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-
-      sed -i "s|/usr/bin/perl|perl\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-      sed -i "s|/usr/bin/gcc|gcc\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-      for prog in ld ar gcc strip ranlib; do
-        find . -name "setup-config" -exec sed -i "s@/usr/bin/$prog@$(type -p $prog)@g" {} \;
-      done
-    '';
-
-  configurePlatforms = [ ];
-  configureFlags = [
-    "--with-gmp-libraries=${stdenv.lib.getLib gmp}/lib"
-    "--with-gmp-includes=${stdenv.lib.getDev gmp}/include"
-  ] ++ stdenv.lib.optional stdenv.isDarwin "--with-gcc=${./gcc-clang-wrapper.sh}";
-
-  # Stripping combined with patchelf breaks the executables (they die
-  # with a segfault or the kernel even refuses the execve). (NIXPKGS-85)
-  dontStrip = true;
-
-  # No building is necessary, but calling make without flags ironically
-  # calls install-strip ...
-  dontBuild = true;
-
-  # On Linux, use patchelf to modify the executables so that they can
-  # find editline/gmp.
-  preFixup = stdenv.lib.optionalString stdenv.isLinux ''
-    find "$out" -type f -executable \
-        -exec patchelf --set-rpath "${libPath}" {} \;
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    # not enough room in the object files for the full path to libiconv :(
-    for exe in $(find "$out" -type f -executable); do
-      isScript $exe && continue
-      ln -fs ${libiconv}/lib/libiconv.dylib $(dirname $exe)/libiconv.dylib
-      install_name_tool -change /usr/lib/libiconv.2.dylib @executable_path/libiconv.dylib $exe
-    done
-
-    for file in $(find "$out" -name setup-config); do
-      substituteInPlace $file --replace /usr/bin/ranlib "$(type -P ranlib)"
-    done
-  '';
-
-  doInstallCheck = true;
-  installCheckPhase = ''
-    # Sanity check, can ghc create executables?
-    cd $TMP
-    mkdir test-ghc; cd test-ghc
-    cat > main.hs << EOF
-      module Main where
-      main = putStrLn "yes"
-    EOF
-    $out/bin/ghc --make main.hs
-    echo compilation ok
-    [ $(./main) == "yes" ]
-  '';
-
-  passthru = {
-    targetPrefix = "";
-
-    # Our Cabal compiler name
-    haskellCompilerName = "ghc-7.0.4";
-  };
-
-  meta.license = stdenv.lib.licenses.bsd3;
-  meta.platforms = ["x86_64-linux" "i686-linux" "x86_64-darwin"];
-}
diff --git a/pkgs/development/compilers/ghc/7.0.4.nix b/pkgs/development/compilers/ghc/7.0.4.nix
deleted file mode 100644
index 5bd05b257ca5..000000000000
--- a/pkgs/development/compilers/ghc/7.0.4.nix
+++ /dev/null
@@ -1,67 +0,0 @@
-{ stdenv, fetchurl, ghc, perl, gmp, ncurses, libiconv }:
-
-# TODO(@Ericson2314): Cross compilation support
-assert stdenv.targetPlatform == stdenv.hostPlatform;
-
-stdenv.mkDerivation rec {
-  version = "7.0.4";
-  name = "ghc-${version}";
-
-  src = fetchurl {
-    url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.bz2";
-    sha256 = "1a9b78d9d66c9c21de6c0932e36bb87406a4856f1611bf83bd44539bdc6ed0ed";
-  };
-
-  patches = [ ./fix-7.0.4-clang.patch ./relocation.patch ];
-
-  buildInputs = [ ghc perl gmp ncurses ];
-
-  buildMK = ''
-    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-libraries="${gmp.out}/lib"
-    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-includes="${gmp.dev}/include"
-    libraries/terminfo_CONFIGURE_OPTS += --configure-option=--with-curses-includes="${ncurses.dev}/include"
-    libraries/terminfo_CONFIGURE_OPTS += --configure-option=--with-curses-libraries="${ncurses.out}/lib"
-    ${stdenv.lib.optionalString stdenv.isDarwin ''
-      libraries/base_CONFIGURE_OPTS += --configure-option=--with-iconv-includes="${libiconv}/include"
-      libraries/base_CONFIGURE_OPTS += --configure-option=--with-iconv-libraries="${libiconv}/lib"
-    ''}
-  '';
-
-  preConfigure = ''
-    echo -n "${buildMK}" > mk/build.mk
-    sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    find . -name '*.hs'  | xargs sed -i -e 's|ASSERT (|ASSERT(|' -e 's|ASSERT2 (|ASSERT2(|' -e 's|WARN (|WARN(|'
-    find . -name '*.lhs' | xargs sed -i -e 's|ASSERT (|ASSERT(|' -e 's|ASSERT2 (|ASSERT2(|' -e 's|WARN (|WARN(|'
-    export NIX_LDFLAGS+=" -no_dtrace_dof"
-  '';
-
-  configureFlags = if stdenv.isDarwin then "--with-gcc=${./gcc-clang-wrapper.sh}"
-                                      else "--with-gcc=${stdenv.cc}/bin/gcc";
-
-  NIX_CFLAGS_COMPILE = "-fomit-frame-pointer";
-
-  # required, because otherwise all symbols from HSffi.o are stripped, and
-  # that in turn causes GHCi to abort
-  stripDebugFlags=["-S" "--keep-file-symbols"];
-
-  passthru = {
-    targetPrefix = "";
-
-    # Our Cabal compiler name
-    haskellCompilerName = "ghc-7.0.4";
-  };
-
-  meta = {
-    homepage = http://haskell.org/ghc;
-    description = "The Glasgow Haskell Compiler";
-    maintainers = [
-      stdenv.lib.maintainers.marcweber
-      stdenv.lib.maintainers.andres
-      stdenv.lib.maintainers.peti
-    ];
-    platforms = ["x86_64-linux" "i686-linux"];  # Darwin is not supported.
-    inherit (ghc.meta) license;
-  };
-
-}
diff --git a/pkgs/development/compilers/ghc/7.4.2-binary.nix b/pkgs/development/compilers/ghc/7.4.2-binary.nix
deleted file mode 100644
index 988392e74b9e..000000000000
--- a/pkgs/development/compilers/ghc/7.4.2-binary.nix
+++ /dev/null
@@ -1,148 +0,0 @@
-{ stdenv
-, fetchurl, perl
-, ncurses5, gmp, libiconv
-}:
-
-# Prebuilt only does native
-assert stdenv.targetPlatform == stdenv.hostPlatform;
-
-let
-  libPath = stdenv.lib.makeLibraryPath ([
-    ncurses5 gmp
-  ] ++ stdenv.lib.optional (stdenv.hostPlatform.isDarwin) libiconv);
-
-  libEnvVar = stdenv.lib.optionalString stdenv.hostPlatform.isDarwin "DY"
-    + "LD_LIBRARY_PATH";
-
-in
-
-stdenv.mkDerivation rec {
-  version = "7.4.2";
-
-  name = "ghc-${version}-binary";
-
-  src = fetchurl ({
-    "i686-linux" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-unknown-linux.tar.bz2";
-      sha256 = "0gny7knhss0w0d9r6jm1gghrcb8kqjvj94bb7hxf9syrk4fxlcxi";
-    };
-    "x86_64-linux" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-unknown-linux.tar.bz2";
-      sha256 = "043jabd0lh6n1zlqhysngbpvlsdznsa2mmsj08jyqgahw9sjb5ns";
-    };
-    "i686-darwin" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-apple-darwin.tar.bz2";
-      sha256 = "1vrbs3pzki37hzym1f1nh07lrqh066z3ypvm81fwlikfsvk4djc0";
-    };
-    "x86_64-darwin" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-apple-darwin.tar.bz2";
-      sha256 = "1imzqc0slpg0r6p40n5a9m18cbcm0m86z8dgyhfxcckksw54mzwf";
-    };
-  }.${stdenv.hostPlatform.system}
-    or (throw "cannot bootstrap GHC on this platform"));
-
-  nativeBuildInputs = [ perl ];
-
-  # Cannot patchelf beforehand due to relative RPATHs that anticipate
-  # the final install location/
-  ${libEnvVar} = libPath;
-
-  postUnpack =
-    # GHC has dtrace probes, which causes ld to try to open /usr/lib/libdtrace.dylib
-    # during linking
-    stdenv.lib.optionalString stdenv.isDarwin ''
-      export NIX_LDFLAGS+=" -no_dtrace_dof"
-    '' +
-
-    # Strip is harmful, see also below. It's important that this happens
-    # first. The GHC Cabal build system makes use of strip by default and
-    # has hardcoded paths to /usr/bin/strip in many places. We replace
-    # those below, making them point to our dummy script.
-    ''
-      mkdir "$TMP/bin"
-      for i in strip; do
-        echo '#! ${stdenv.shell}' > "$TMP/bin/$i"
-        chmod +x "$TMP/bin/$i"
-      done
-      PATH="$TMP/bin:$PATH"
-    '' +
-    # We have to patch the GMP paths for the integer-gmp package.
-    ''
-      find . -name integer-gmp.buildinfo \
-          -exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${gmp.out}/lib@" {} \;
-    '' + stdenv.lib.optionalString stdenv.isDarwin ''
-      find . -name base.buildinfo \
-          -exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${libiconv}/lib@" {} \;
-    '' +
-    # Rename needed libraries and binaries, fix interpreter
-    stdenv.lib.optionalString stdenv.isLinux ''
-      find . -type f -perm -0100 -exec patchelf \
-          --replace-needed libncurses${stdenv.lib.optionalString stdenv.is64bit "w"}.so.5 libncurses.so \
-          --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" {} \;
-
-      paxmark m ./ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-
-      sed -i "s|/usr/bin/perl|perl\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-      sed -i "s|/usr/bin/gcc|gcc\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-      for prog in ld ar gcc strip ranlib; do
-        find . -name "setup-config" -exec sed -i "s@/usr/bin/$prog@$(type -p $prog)@g" {} \;
-      done
-    '';
-
-  configurePlatforms = [ ];
-  configureFlags = [
-    "--with-gmp-libraries=${stdenv.lib.getLib gmp}/lib"
-    "--with-gmp-includes=${stdenv.lib.getDev gmp}/include"
-  ] ++ stdenv.lib.optional stdenv.isDarwin "--with-gcc=${./gcc-clang-wrapper.sh}";
-
-  # Stripping combined with patchelf breaks the executables (they die
-  # with a segfault or the kernel even refuses the execve). (NIXPKGS-85)
-  dontStrip = true;
-
-  # No building is necessary, but calling make without flags ironically
-  # calls install-strip ...
-  dontBuild = true;
-
-  # On Linux, use patchelf to modify the executables so that they can
-  # find editline/gmp.
-  preFixup = stdenv.lib.optionalString stdenv.isLinux ''
-    find "$out" -type f -executable \
-        -exec patchelf --set-rpath "${libPath}" {} \;
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    # not enough room in the object files for the full path to libiconv :(
-    for exe in $(find "$out" -type f -executable); do
-      isScript $exe && continue
-      ln -fs ${libiconv}/lib/libiconv.dylib $(dirname $exe)/libiconv.dylib
-      install_name_tool -change /usr/lib/libiconv.2.dylib @executable_path/libiconv.dylib $exe
-    done
-
-    for file in $(find "$out" -name setup-config); do
-      substituteInPlace $file --replace /usr/bin/ranlib "$(type -P ranlib)"
-    done
-  '';
-
-  doInstallCheck = true;
-  installCheckPhase = ''
-    # Sanity check, can ghc create executables?
-    cd $TMP
-    mkdir test-ghc; cd test-ghc
-    cat > main.hs << EOF
-      {-# LANGUAGE TemplateHaskell #-}
-      module Main where
-      main = putStrLn \$([|"yes"|])
-    EOF
-    $out/bin/ghc --make main.hs || exit 1
-    echo compilation ok
-    [ $(./main) == "yes" ]
-  '';
-
-  passthru = {
-    targetPrefix = "";
-
-    # Our Cabal compiler name
-    haskellCompilerName = "ghc-7.4.2";
-  };
-
-  meta.license = stdenv.lib.licenses.bsd3;
-  meta.platforms = ["x86_64-linux" "i686-linux" "x86_64-darwin"];
-}
diff --git a/pkgs/development/compilers/ghc/7.4.2.nix b/pkgs/development/compilers/ghc/7.4.2.nix
deleted file mode 100644
index 86925c406cfc..000000000000
--- a/pkgs/development/compilers/ghc/7.4.2.nix
+++ /dev/null
@@ -1,77 +0,0 @@
-{ stdenv, fetchurl, ghc, perl, ncurses, libiconv
-
-, # If enabled, GHC will be built with the GPL-free but slower integer-simple
-  # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? false, gmp ? null
-}:
-
-# TODO(@Ericson2314): Cross compilation support
-assert stdenv.targetPlatform == stdenv.hostPlatform;
-assert !enableIntegerSimple -> gmp != null;
-
-stdenv.mkDerivation rec {
-  version = "7.4.2";
-
-  name = "ghc-${version}";
-
-  src = fetchurl {
-    url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.bz2";
-    sha256 = "0vc3zmxqi4gflssmj35n5c8idbvyrhd88abi50whbirwlf4i5vpj";
-  };
-
-  patches = [ ./fix-7.4.2-clang.patch ./relocation.patch ];
-
-  buildInputs = [ ghc perl ncurses ]
-                ++ stdenv.lib.optional (!enableIntegerSimple) gmp;
-
-  buildMK = ''
-    libraries/terminfo_CONFIGURE_OPTS += --configure-option=--with-curses-includes="${ncurses.dev}/include"
-    libraries/terminfo_CONFIGURE_OPTS += --configure-option=--with-curses-libraries="${ncurses.out}/lib"
-    ${stdenv.lib.optionalString stdenv.isDarwin ''
-      libraries/base_CONFIGURE_OPTS += --configure-option=--with-iconv-includes="${libiconv}/include"
-      libraries/base_CONFIGURE_OPTS += --configure-option=--with-iconv-libraries="${libiconv}/lib"
-    ''}
-  '' + (if enableIntegerSimple then ''
-    INTEGER_LIBRARY = integer-simple
-  '' else ''
-    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-libraries="${gmp.out}/lib"
-    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-includes="${gmp.dev}/include"
-  '');
-
-  preConfigure = ''
-    echo -n "${buildMK}" > mk/build.mk
-    sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
-  '' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
-    export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    find . -name '*.hs'  | xargs sed -i -e 's|ASSERT (|ASSERT(|' -e 's|ASSERT2 (|ASSERT2(|' -e 's|WARN (|WARN(|'
-    find . -name '*.lhs' | xargs sed -i -e 's|ASSERT (|ASSERT(|' -e 's|ASSERT2 (|ASSERT2(|' -e 's|WARN (|WARN(|'
-    export NIX_LDFLAGS+=" -no_dtrace_dof"
-  '';
-
-  configureFlags = if stdenv.isDarwin then "--with-gcc=${./gcc-clang-wrapper.sh}"
-                                      else "--with-gcc=${stdenv.cc}/bin/gcc";
-
-  # required, because otherwise all symbols from HSffi.o are stripped, and
-  # that in turn causes GHCi to abort
-  stripDebugFlags = [ "-S" ] ++ stdenv.lib.optional (!stdenv.isDarwin) "--keep-file-symbols";
-
-  passthru = {
-    targetPrefix = "";
-
-    # Our Cabal compiler name
-    haskellCompilerName = "ghc-7.4.2";
-  };
-
-  meta = {
-    homepage = http://haskell.org/ghc;
-    description = "The Glasgow Haskell Compiler";
-    maintainers = [
-      stdenv.lib.maintainers.marcweber
-      stdenv.lib.maintainers.andres
-      stdenv.lib.maintainers.peti
-    ];
-    inherit (ghc.meta) license platforms;
-  };
-
-}
diff --git a/pkgs/development/compilers/ghc/7.6.3.nix b/pkgs/development/compilers/ghc/7.6.3.nix
deleted file mode 100644
index 982008563a06..000000000000
--- a/pkgs/development/compilers/ghc/7.6.3.nix
+++ /dev/null
@@ -1,103 +0,0 @@
-{ stdenv, fetchurl, ghc, perl, ncurses, libiconv
-
-, # If enabled, GHC will be built with the GPL-free but slower integer-simple
-  # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? false, gmp ? null
-}:
-
-# TODO(@Ericson2314): Cross compilation support
-assert stdenv.targetPlatform == stdenv.hostPlatform;
-assert !enableIntegerSimple -> gmp != null;
-
-let
-  # The "-Wa,--noexecstack" options might be needed only with GNU ld (as opposed
-  # to the gold linker). It prevents binaries' stacks from being marked as
-  # executable, which fails to run on a grsecurity/PaX kernel.
-  ghcFlags = "-optc-Wa,--noexecstack -opta-Wa,--noexecstack";
-  cFlags = "-Wa,--noexecstack";
-
-in stdenv.mkDerivation rec {
-  version = "7.6.3";
-
-  name = "ghc-${version}";
-
-  src = fetchurl {
-    url = "https://downloads.haskell.org/~ghc/${version}/ghc-${version}-src.tar.bz2";
-    sha256 = "1669m8k9q72rpd2mzs0bh2q6lcwqiwd1ax3vrard1dgn64yq4hxx";
-  };
-
-  patches = [ ./fix-7.6.3-clang.patch ./relocation.patch ];
-
-  buildInputs = [ ghc perl ncurses ]
-                ++ stdenv.lib.optional (!enableIntegerSimple) gmp;
-
-  buildMK = ''
-    libraries/terminfo_CONFIGURE_OPTS += --configure-option=--with-curses-includes="${ncurses.dev}/include"
-    libraries/terminfo_CONFIGURE_OPTS += --configure-option=--with-curses-libraries="${ncurses.out}/lib"
-    ${stdenv.lib.optionalString stdenv.isDarwin ''
-      libraries/base_CONFIGURE_OPTS += --configure-option=--with-iconv-includes="${libiconv}/include"
-      libraries/base_CONFIGURE_OPTS += --configure-option=--with-iconv-libraries="${libiconv}/lib"
-    ''}
-  '' + stdenv.lib.optionalString stdenv.isLinux ''
-    # Set ghcFlags for building ghc itself
-    SRC_HC_OPTS += ${ghcFlags}
-    SRC_CC_OPTS += ${cFlags}
-  '' + (if enableIntegerSimple then ''
-    INTEGER_LIBRARY = integer-simple
-  '' else ''
-    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-libraries="${gmp.out}/lib"
-    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-includes="${gmp.dev}/include"
-  '');
-
-  preConfigure = ''
-    echo -n "${buildMK}" > mk/build.mk
-    sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
-
-  '' + stdenv.lib.optionalString stdenv.isLinux ''
-    # Set ghcFlags for binaries that ghc builds
-    sed -i -e 's|"\$topdir"|"\$topdir" ${ghcFlags}|' ghc/ghc.wrapper
-
-  '' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
-    export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    find . -name '*.hs'  | xargs sed -i -e 's|ASSERT (|ASSERT(|' -e 's|ASSERT2 (|ASSERT2(|' -e 's|WARN (|WARN(|'
-    find . -name '*.lhs' | xargs sed -i -e 's|ASSERT (|ASSERT(|' -e 's|ASSERT2 (|ASSERT2(|' -e 's|WARN (|WARN(|'
-    export NIX_LDFLAGS+=" -no_dtrace_dof"
-  '';
-
-  configureFlags = if stdenv.isDarwin then "--with-gcc=${./gcc-clang-wrapper.sh}"
-                                      else "--with-gcc=${stdenv.cc}/bin/gcc";
-
-  postInstall = ''
-    # ghci uses mmap with rwx protection at it implements dynamic
-    # linking on its own. See:
-    # - https://bugs.gentoo.org/show_bug.cgi?id=299709
-    # - https://ghc.haskell.org/trac/ghc/ticket/4244
-    # Therefore, we have to pax-mark the resulting binary.
-    # Haddock also seems to run with ghci, so mark it as well.
-    paxmark m $out/lib/${name}/{ghc,haddock}
-  '';
-
-  # required, because otherwise all symbols from HSffi.o are stripped, and
-  # that in turn causes GHCi to abort
-  stripDebugFlags = [ "-S" ] ++ stdenv.lib.optional (!stdenv.isDarwin) "--keep-file-symbols";
-
-  passthru = {
-    targetPrefix = "";
-
-    # Our Cabal compiler name
-    haskellCompilerName = "ghc-7.6.3";
-  };
-
-  meta = {
-    homepage = http://haskell.org/ghc;
-    description = "The Glasgow Haskell Compiler";
-    maintainers = [
-      stdenv.lib.maintainers.marcweber
-      stdenv.lib.maintainers.andres
-      stdenv.lib.maintainers.peti
-    ];
-    inherit (ghc.meta) license platforms;
-  };
-
-}
diff --git a/pkgs/development/compilers/ghc/7.8.4-binary.nix b/pkgs/development/compilers/ghc/7.8.4-binary.nix
deleted file mode 100644
index 58a9370b3213..000000000000
--- a/pkgs/development/compilers/ghc/7.8.4-binary.nix
+++ /dev/null
@@ -1,156 +0,0 @@
-{ stdenv
-, fetchurl, perl
-, ncurses5, gmp, libiconv
-}:
-
-# Prebuilt only does native
-assert stdenv.targetPlatform == stdenv.hostPlatform;
-
-let
-  libPath = stdenv.lib.makeLibraryPath ([
-    ncurses5 gmp
-  ] ++ stdenv.lib.optional (stdenv.hostPlatform.isDarwin) libiconv);
-
-  libEnvVar = stdenv.lib.optionalString stdenv.hostPlatform.isDarwin "DY"
-    + "LD_LIBRARY_PATH";
-
-in
-
-stdenv.mkDerivation rec {
-  version = "7.8.4";
-
-  name = "ghc-${version}-binary";
-
-  src = fetchurl ({
-    "i686-linux" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-i386-unknown-linux-deb7.tar.bz2";
-      sha256 = "5da2cf45986f33319a92a666f1f0149915334a7b64b41892ab94f4557242b406";
-    };
-    "x86_64-linux" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-unknown-linux-deb7.tar.bz2";
-      sha256 = "20b5731d268613bbf6e977dbb192a3a3b7b78d954c35edbfca4fb36b652e24f7";
-    };
-    "x86_64-darwin" = {
-      url = "http://haskell.org/ghc/dist/${version}/ghc-${version}-x86_64-apple-darwin.tar.bz2";
-      sha256 = "dfa161c2a136ee16214a49d5902e2377407c8292dbbdbb14fa0fa6b17220cae6";
-    };
-  }.${stdenv.hostPlatform.system}
-    or (throw "cannot bootstrap GHC on this platform"));
-
-  nativeBuildInputs = [ perl ];
-
-  # Cannot patchelf beforehand due to relative RPATHs that anticipate
-  # the final install location/
-  ${libEnvVar} = libPath;
-
-  postUnpack =
-    # GHC has dtrace probes, which causes ld to try to open /usr/lib/libdtrace.dylib
-    # during linking
-    stdenv.lib.optionalString stdenv.isDarwin ''
-      export NIX_LDFLAGS+=" -no_dtrace_dof"
-      # not enough room in the object files for the full path to libiconv :(
-      for exe in $(find . -type f -executable); do
-        isScript $exe && continue
-        ln -fs ${libiconv}/lib/libiconv.dylib $(dirname $exe)/libiconv.dylib
-        install_name_tool -change /usr/lib/libiconv.2.dylib @executable_path/libiconv.dylib $exe
-        for file in $(find . -name setup-config); do
-          substituteInPlace $file --replace /usr/bin/ranlib "$(type -P ranlib)"
-        done
-      done
-    '' +
-
-    # Some scripts used during the build need to have their shebangs patched
-    ''
-      patchShebangs ghc-${version}/utils/
-    '' +
-
-    # Strip is harmful, see also below. It's important that this happens
-    # first. The GHC Cabal build system makes use of strip by default and
-    # has hardcoded paths to /usr/bin/strip in many places. We replace
-    # those below, making them point to our dummy script.
-    ''
-      mkdir "$TMP/bin"
-      for i in strip; do
-        echo '#! ${stdenv.shell}' > "$TMP/bin/$i"
-        chmod +x "$TMP/bin/$i"
-      done
-      PATH="$TMP/bin:$PATH"
-    '' +
-    # We have to patch the GMP paths for the integer-gmp package.
-    ''
-      find . -name integer-gmp.buildinfo \
-          -exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${gmp.out}/lib@" {} \;
-    '' + stdenv.lib.optionalString stdenv.isDarwin ''
-      find . -name base.buildinfo \
-          -exec sed -i "s@extra-lib-dirs: @extra-lib-dirs: ${libiconv}/lib@" {} \;
-    '' +
-    # Rename needed libraries and binaries, fix interpreter
-    stdenv.lib.optionalString stdenv.isLinux ''
-      find . -type f -perm -0100 -exec patchelf \
-          --replace-needed libncurses${stdenv.lib.optionalString stdenv.is64bit "w"}.so.5 libncurses.so \
-          --replace-needed libtinfo.so libtinfo.so.5 \
-          --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" {} \;
-
-      paxmark m ./ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-
-      sed -i "s|/usr/bin/perl|perl\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-      sed -i "s|/usr/bin/gcc|gcc\x00        |" ghc-${version}/ghc/stage2/build/tmp/ghc-stage2
-    '';
-
-  configurePlatforms = [ ];
-  configureFlags = [
-    "--with-gmp-libraries=${stdenv.lib.getLib gmp}/lib"
-    "--with-gmp-includes=${stdenv.lib.getDev gmp}/include"
-  ] ++ stdenv.lib.optional stdenv.isDarwin "--with-gcc=${./gcc-clang-wrapper.sh}";
-
-  # Stripping combined with patchelf breaks the executables (they die
-  # with a segfault or the kernel even refuses the execve). (NIXPKGS-85)
-  dontStrip = true;
-
-  # No building is necessary, but calling make without flags ironically
-  # calls install-strip ...
-  dontBuild = true;
-
-  # On Linux, use patchelf to modify the executables so that they can
-  # find editline/gmp.
-  preFixup = stdenv.lib.optionalString stdenv.isLinux ''
-    for p in $(find "$out" -type f -executable); do
-      if isELF "$p"; then
-        echo "Patchelfing $p"
-        patchelf --set-rpath "${libPath}:$(patchelf --print-rpath $p)" $p
-      fi
-    done
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    # not enough room in the object files for the full path to libiconv :(
-    for exe in $(find "$out" -type f -executable); do
-      isScript $exe && continue
-      ln -fs ${libiconv}/lib/libiconv.dylib $(dirname $exe)/libiconv.dylib
-      install_name_tool -change /usr/lib/libiconv.2.dylib @executable_path/libiconv.dylib $exe
-    done
-
-    for file in $(find "$out" -name setup-config); do
-      substituteInPlace $file --replace /usr/bin/ranlib "$(type -P ranlib)"
-    done
-  '';
-
-  doInstallCheck = true;
-  installCheckPhase = ''
-    unset ${libEnvVar}
-    # Sanity check, can ghc create executables?
-    cd $TMP
-    mkdir test-ghc; cd test-ghc
-    cat > main.hs << EOF
-      {-# LANGUAGE TemplateHaskell #-}
-      module Main where
-      main = putStrLn \$([|"yes"|])
-    EOF
-    $out/bin/ghc --make main.hs || exit 1
-    echo compilation ok
-    [ $(./main) == "yes" ]
-  '';
-
-  passthru = { targetPrefix = ""; };
-
-  meta.license = stdenv.lib.licenses.bsd3;
-  meta.platforms = ["x86_64-linux" "i686-linux" "x86_64-darwin"];
-}
diff --git a/pkgs/development/compilers/ghc/7.8.4.nix b/pkgs/development/compilers/ghc/7.8.4.nix
deleted file mode 100644
index 47fc090c1ff1..000000000000
--- a/pkgs/development/compilers/ghc/7.8.4.nix
+++ /dev/null
@@ -1,91 +0,0 @@
-{ stdenv, targetPackages
-
-, fetchurl, ghc, perl
-, libffi, libiconv ? null, ncurses
-
-, # If enabled, GHC will be built with the GPL-free but slower integer-simple
-  # library instead of the faster but GPLed integer-gmp library.
-  enableIntegerSimple ? false, gmp ? null
-}:
-
-# TODO(@Ericson2314): Cross compilation support
-assert stdenv.targetPlatform == stdenv.hostPlatform;
-assert !enableIntegerSimple -> gmp != null;
-
-let
-  buildMK = ''
-    libraries/terminfo_CONFIGURE_OPTS += --configure-option=--with-curses-includes="${ncurses.dev}/include"
-    libraries/terminfo_CONFIGURE_OPTS += --configure-option=--with-curses-libraries="${ncurses.out}/lib"
-    DYNAMIC_BY_DEFAULT = NO
-    ${stdenv.lib.optionalString (stdenv.hostPlatform.libc != "glibc") ''
-      libraries/base_CONFIGURE_OPTS += --configure-option=--with-iconv-includes="${libiconv}/include"
-      libraries/base_CONFIGURE_OPTS += --configure-option=--with-iconv-libraries="${libiconv}/lib"
-    ''}
-  '' + (if enableIntegerSimple then ''
-    INTEGER_LIBRARY = integer-simple
-  '' else ''
-    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-libraries="${gmp.out}/lib"
-    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-includes="${gmp.dev}/include"
-  '');
-
-  # Splicer will pull out correct variations
-  libDeps = [ ncurses ]
-    ++ stdenv.lib.optional (!enableIntegerSimple) gmp
-    ++ stdenv.lib.optional (stdenv.hostPlatform.libc != "glibc") libiconv;
-
-in
-
-stdenv.mkDerivation rec {
-  version = "7.8.4";
-  name = "ghc-${version}";
-
-  src = fetchurl {
-    url = "http://www.haskell.org/ghc/dist/${version}/${name}-src.tar.xz";
-    sha256 = "1i4254akbb4ym437rf469gc0m40bxm31blp6s1z1g15jmnacs6f3";
-  };
-
-  enableParallelBuilding = true;
-
-  patches = [ ./relocation.patch ]
-    ++ stdenv.lib.optional stdenv.isDarwin ./hpc-7.8.4.patch;
-
-  preConfigure = ''
-    echo -n "${buildMK}" > mk/build.mk
-    sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
-  '' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
-    export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
-  '' + stdenv.lib.optionalString stdenv.isDarwin ''
-    export NIX_LDFLAGS+=" -no_dtrace_dof"
-  '';
-
-  # TODO(@Ericson2314): Always pass "--target" and always prefix.
-  configurePlatforms = [ "build" "host" ];
-
-  nativeBuildInputs = [ ghc perl ];
-  depsBuildTarget = [ targetPackages.stdenv.cc ];
-
-  buildInputs = libDeps;
-  propagatedBuildInputs = [ targetPackages.stdenv.cc ];
-
-  depsTargetTarget = map stdenv.lib.getDev libDeps;
-  depsTargetTargetPropagated = map (stdenv.lib.getOutput "out") libDeps;
-
-  # required, because otherwise all symbols from HSffi.o are stripped, and
-  # that in turn causes GHCi to abort
-  stripDebugFlags = [ "-S" ] ++ stdenv.lib.optional (!stdenv.isDarwin) "--keep-file-symbols";
-
-  passthru = {
-    targetPrefix = "";
-
-    # Our Cabal compiler name
-    haskellCompilerName = "ghc-7.8.4";
-  };
-
-  meta = {
-    homepage = http://haskell.org/ghc;
-    description = "The Glasgow Haskell Compiler";
-    maintainers = with stdenv.lib.maintainers; [ marcweber andres peti ];
-    inherit (ghc.meta) license platforms;
-  };
-
-}
diff --git a/pkgs/development/compilers/ghc/fix-7.0.4-clang.patch b/pkgs/development/compilers/ghc/fix-7.0.4-clang.patch
deleted file mode 100644
index 51323c69c201..000000000000
--- a/pkgs/development/compilers/ghc/fix-7.0.4-clang.patch
+++ /dev/null
@@ -1,74 +0,0 @@
-diff --git a/compiler/codeGen/CgInfoTbls.hs b/compiler/codeGen/CgInfoTbls.hs
-index f704a69..37753fd 100644
---- a/compiler/codeGen/CgInfoTbls.hs
-+++ b/compiler/codeGen/CgInfoTbls.hs
-@@ -211,9 +211,7 @@ mkStackLayout = do
-                     [(offset - frame_sp - retAddrSizeW, b)
-                     | (offset, b) <- binds]
- 
--  WARN( not (all (\bind -> fst bind >= 0) rel_binds),
--	ppr binds $$ ppr rel_binds $$
--        ppr frame_size $$ ppr real_sp $$ ppr frame_sp )
-+  WARN( not (all (\bind -> fst bind >= 0) rel_binds), ppr binds $$ ppr rel_binds $$ ppr frame_size $$ ppr real_sp $$ ppr frame_sp )
-     return $ stack_layout rel_binds frame_size
- 
- stack_layout :: [(VirtualSpOffset, CgIdInfo)]
-diff --git a/compiler/main/GHC.hs b/compiler/main/GHC.hs
-index 638e1db..0aee4b7 100644
---- a/compiler/main/GHC.hs
-+++ b/compiler/main/GHC.hs
-@@ -788,8 +788,7 @@ load2 how_much mod_graph = do
- 	    -- is stable).
- 	    partial_mg
- 		| LoadDependenciesOf _mod <- how_much
--		= ASSERT( case last partial_mg0 of 
--			    AcyclicSCC ms -> ms_mod_name ms == _mod; _ -> False )
-+		= ASSERT( case last partial_mg0 of AcyclicSCC ms -> ms_mod_name ms == _mod; _ -> False )
- 		  List.init partial_mg0
- 		| otherwise
- 		= partial_mg0
-@@ -879,8 +878,7 @@ load2 how_much mod_graph = do
- 	      liftIO $ cleanTempFilesExcept dflags (ppFilesFromSummaries mods_to_keep)
- 
- 	      -- there should be no Nothings where linkables should be, now
--	      ASSERT(all (isJust.hm_linkable) 
--			(eltsUFM (hsc_HPT hsc_env))) do
-+	      ASSERT(all (isJust.hm_linkable) (eltsUFM (hsc_HPT hsc_env))) do
- 	
- 	      -- Link everything together
-               linkresult <- liftIO $ link (ghcLink dflags) dflags False hpt4
-diff --git a/compiler/simplCore/SimplUtils.lhs b/compiler/simplCore/SimplUtils.lhs
-index 99a63e4..3268726 100644
---- a/compiler/simplCore/SimplUtils.lhs
-+++ b/compiler/simplCore/SimplUtils.lhs
-@@ -388,8 +388,7 @@ mkArgInfo fun rules n_val_args call_cont
- 		   else
- 			map isStrictDmd demands ++ vanilla_stricts
- 	       | otherwise
--	       -> WARN( True, text "More demands than arity" <+> ppr fun <+> ppr (idArity fun) 
--				<+> ppr n_val_args <+> ppr demands ) 
-+	       -> WARN( True, text "More demands than arity" <+> ppr fun <+> ppr (idArity fun) <+> ppr n_val_args <+> ppr demands ) 
- 		   vanilla_stricts	-- Not enough args, or no strictness
- 
-     add_type_str :: Type -> [Bool] -> [Bool]
-@@ -1812,4 +1811,4 @@ without getting changed to c1=I# c2.
- I don't think this is worth fixing, even if I knew how. It'll
- all come out in the next pass anyway.
- 
--  
-\ No newline at end of file
-+  
-diff --git a/compiler/simplCore/Simplify.lhs b/compiler/simplCore/Simplify.lhs
-index d0fbd8d..ef87996 100644
---- a/compiler/simplCore/Simplify.lhs
-+++ b/compiler/simplCore/Simplify.lhs
-@@ -2071,8 +2071,7 @@ mkDupableAlt env case_bndr (con, bndrs', rhs')
- 		      	     rhs = mkConApp dc (map Type (tyConAppArgs scrut_ty)
- 			     	   	        ++ varsToCoreExprs bndrs')
- 
--		      LitAlt {} -> WARN( True, ptext (sLit "mkDupableAlt")
--		      	     	   	        <+> ppr case_bndr <+> ppr con )
-+		      LitAlt {} -> WARN( True, ptext (sLit "mkDupableAlt") <+> ppr case_bndr <+> ppr con )
- 			           case_bndr
- 		      	   -- The case binder is alive but trivial, so why has 
- 		      	   -- it not been substituted away?
diff --git a/pkgs/development/compilers/ghc/fix-7.2.2-clang.patch b/pkgs/development/compilers/ghc/fix-7.2.2-clang.patch
deleted file mode 100644
index 9592d54188ed..000000000000
--- a/pkgs/development/compilers/ghc/fix-7.2.2-clang.patch
+++ /dev/null
@@ -1,74 +0,0 @@
-diff --git a/compiler/codeGen/CgInfoTbls.hs b/compiler/codeGen/CgInfoTbls.hs
-index dbd22f3..42208f9 100644
---- a/compiler/codeGen/CgInfoTbls.hs
-+++ b/compiler/codeGen/CgInfoTbls.hs
-@@ -210,9 +210,7 @@ mkStackLayout = do
-                     [(offset - frame_sp - retAddrSizeW, b)
-                     | (offset, b) <- binds]
- 
--  WARN( not (all (\bind -> fst bind >= 0) rel_binds),
--	ppr binds $$ ppr rel_binds $$
--        ppr frame_size $$ ppr real_sp $$ ppr frame_sp )
-+  WARN( not (all (\bind -> fst bind >= 0) rel_binds), ppr binds $$ ppr rel_binds $$ ppr frame_size $$ ppr real_sp $$ ppr frame_sp )
-     return $ stack_layout rel_binds frame_size
- 
- stack_layout :: [(VirtualSpOffset, CgIdInfo)]
-diff --git a/compiler/main/GhcMake.hs b/compiler/main/GhcMake.hs
-index dece548..9643f30 100644
---- a/compiler/main/GhcMake.hs
-+++ b/compiler/main/GhcMake.hs
-@@ -236,8 +236,7 @@ load2 how_much mod_graph = do
- 	    -- is stable).
- 	    partial_mg
- 		| LoadDependenciesOf _mod <- how_much
--		= ASSERT( case last partial_mg0 of 
--			    AcyclicSCC ms -> ms_mod_name ms == _mod; _ -> False )
-+		= ASSERT( case last partial_mg0 of AcyclicSCC ms -> ms_mod_name ms == _mod; _ -> False )
- 		  List.init partial_mg0
- 		| otherwise
- 		= partial_mg0
-@@ -331,8 +330,7 @@ load2 how_much mod_graph = do
-               liftIO $ intermediateCleanTempFiles dflags mods_to_keep hsc_env1
- 
- 	      -- there should be no Nothings where linkables should be, now
--	      ASSERT(all (isJust.hm_linkable) 
--			(eltsUFM (hsc_HPT hsc_env))) do
-+	      ASSERT(all (isJust.hm_linkable) (eltsUFM (hsc_HPT hsc_env))) do
- 	
- 	      -- Link everything together
-               linkresult <- liftIO $ link (ghcLink dflags) dflags False hpt4
-diff --git a/compiler/simplCore/SimplUtils.lhs b/compiler/simplCore/SimplUtils.lhs
-index dd0ce4b..9501e73 100644
---- a/compiler/simplCore/SimplUtils.lhs
-+++ b/compiler/simplCore/SimplUtils.lhs
-@@ -393,8 +393,7 @@ mkArgInfo fun rules n_val_args call_cont
- 		   else
- 			map isStrictDmd demands ++ vanilla_stricts
- 	       | otherwise
--	       -> WARN( True, text "More demands than arity" <+> ppr fun <+> ppr (idArity fun) 
--				<+> ppr n_val_args <+> ppr demands ) 
-+	       -> WARN( True, text "More demands than arity" <+> ppr fun <+> ppr (idArity fun) <+> ppr n_val_args <+> ppr demands ) 
- 		   vanilla_stricts	-- Not enough args, or no strictness
- 
-     add_type_str :: Type -> [Bool] -> [Bool]
-@@ -1845,4 +1844,4 @@ without getting changed to c1=I# c2.
- I don't think this is worth fixing, even if I knew how. It'll
- all come out in the next pass anyway.
- 
--  
-\ No newline at end of file
-+  
-diff --git a/compiler/simplCore/Simplify.lhs b/compiler/simplCore/Simplify.lhs
-index adcaf13..06d939d 100644
---- a/compiler/simplCore/Simplify.lhs
-+++ b/compiler/simplCore/Simplify.lhs
-@@ -2185,8 +2185,7 @@ mkDupableAlt env case_bndr (con, bndrs', rhs')
- 		      	     rhs = mkConApp dc (map Type (tyConAppArgs scrut_ty)
- 			     	   	        ++ varsToCoreExprs bndrs')
- 
--		      LitAlt {} -> WARN( True, ptext (sLit "mkDupableAlt")
--		      	     	   	        <+> ppr case_bndr <+> ppr con )
-+		      LitAlt {} -> WARN( True, ptext (sLit "mkDupableAlt") <+> ppr case_bndr <+> ppr con )
- 			           case_bndr
- 		      	   -- The case binder is alive but trivial, so why has 
- 		      	   -- it not been substituted away?
diff --git a/pkgs/development/compilers/ghc/fix-7.4.2-clang.patch b/pkgs/development/compilers/ghc/fix-7.4.2-clang.patch
deleted file mode 100644
index ce1593b3e31d..000000000000
--- a/pkgs/development/compilers/ghc/fix-7.4.2-clang.patch
+++ /dev/null
@@ -1,57 +0,0 @@
-diff --git a/compiler/codeGen/CgInfoTbls.hs b/compiler/codeGen/CgInfoTbls.hs
-index 25ba154..fbb7874 100644
---- a/compiler/codeGen/CgInfoTbls.hs
-+++ b/compiler/codeGen/CgInfoTbls.hs
-@@ -178,9 +178,7 @@ mkStackLayout = do
-                     [(offset - frame_sp - retAddrSizeW, b)
-                     | (offset, b) <- binds]
- 
--  WARN( not (all (\bind -> fst bind >= 0) rel_binds),
--        pprPlatform platform binds $$ pprPlatform platform rel_binds $$
--        ppr frame_size $$ ppr real_sp $$ ppr frame_sp )
-+  WARN( not (all (\bind -> fst bind >= 0) rel_binds), pprPlatform platform binds $$ pprPlatform platform rel_binds $$ ppr frame_size $$ ppr real_sp $$ ppr frame_sp )
-     return $ stack_layout rel_binds frame_size
- 
- stack_layout :: [(VirtualSpOffset, CgIdInfo)]
-diff --git a/compiler/main/GhcMake.hs b/compiler/main/GhcMake.hs
-index 091e1be..23447e4 100644
---- a/compiler/main/GhcMake.hs
-+++ b/compiler/main/GhcMake.hs
-@@ -338,8 +338,7 @@ load2 how_much mod_graph = do
-               liftIO $ intermediateCleanTempFiles dflags mods_to_keep hsc_env1
- 
-               -- there should be no Nothings where linkables should be, now
--              ASSERT(all (isJust.hm_linkable) 
--                        (eltsUFM (hsc_HPT hsc_env))) do
-+              ASSERT(all (isJust.hm_linkable) (eltsUFM (hsc_HPT hsc_env))) do
-         
-               -- Link everything together
-               linkresult <- liftIO $ link (ghcLink dflags) dflags False hpt4
-diff --git a/compiler/simplCore/SimplUtils.lhs b/compiler/simplCore/SimplUtils.lhs
-index 86dc88d..ecde4fd 100644
---- a/compiler/simplCore/SimplUtils.lhs
-+++ b/compiler/simplCore/SimplUtils.lhs
-@@ -407,8 +407,7 @@ mkArgInfo fun rules n_val_args call_cont
- 		   else
- 			map isStrictDmd demands ++ vanilla_stricts
- 	       | otherwise
--	       -> WARN( True, text "More demands than arity" <+> ppr fun <+> ppr (idArity fun) 
--				<+> ppr n_val_args <+> ppr demands ) 
-+	       -> WARN( True, text "More demands than arity" <+> ppr fun <+> ppr (idArity fun) <+> ppr n_val_args <+> ppr demands ) 
- 		   vanilla_stricts	-- Not enough args, or no strictness
- 
-     add_type_str :: Type -> [Bool] -> [Bool]
-diff --git a/compiler/simplCore/Simplify.lhs b/compiler/simplCore/Simplify.lhs
-index 3bd95a7..4c9ee7c 100644
---- a/compiler/simplCore/Simplify.lhs
-+++ b/compiler/simplCore/Simplify.lhs
-@@ -2336,8 +2336,7 @@ mkDupableAlt env case_bndr (con, bndrs', rhs')
- 		      	     rhs = mkConApp dc (map Type (tyConAppArgs scrut_ty)
- 			     	   	        ++ varsToCoreExprs bndrs')
- 
--		      LitAlt {} -> WARN( True, ptext (sLit "mkDupableAlt")
--		      	     	   	        <+> ppr case_bndr <+> ppr con )
-+		      LitAlt {} -> WARN( True, ptext (sLit "mkDupableAlt") <+> ppr case_bndr <+> ppr con )
- 			           case_bndr
- 		      	   -- The case binder is alive but trivial, so why has 
- 		      	   -- it not been substituted away?
diff --git a/pkgs/development/compilers/ghc/fix-7.6.3-clang.patch b/pkgs/development/compilers/ghc/fix-7.6.3-clang.patch
deleted file mode 100644
index e83fd252d72c..000000000000
--- a/pkgs/development/compilers/ghc/fix-7.6.3-clang.patch
+++ /dev/null
@@ -1,71 +0,0 @@
-diff --git a/compiler/codeGen/CgInfoTbls.hs b/compiler/codeGen/CgInfoTbls.hs
-index 7cdb1b6..e953507 100644
---- a/compiler/codeGen/CgInfoTbls.hs
-+++ b/compiler/codeGen/CgInfoTbls.hs
-@@ -157,9 +157,7 @@ mkStackLayout = do
-                     [(offset - frame_sp - retAddrSizeW, b)
-                     | (offset, b) <- binds]
- 
--  WARN( not (all (\bind -> fst bind >= 0) rel_binds),
--        ppr binds $$ ppr rel_binds $$
--        ppr frame_size $$ ppr real_sp $$ ppr frame_sp )
-+  WARN( not (all (\bind -> fst bind >= 0) rel_binds), ppr binds $$ ppr rel_binds $$ ppr frame_size $$ ppr real_sp $$ ppr frame_sp )
-     return $ stack_layout rel_binds frame_size
- 
- stack_layout :: [(VirtualSpOffset, CgIdInfo)]
-diff --git a/compiler/main/GhcMake.hs b/compiler/main/GhcMake.hs
-index f563cd9..4ac7812 100644
---- a/compiler/main/GhcMake.hs
-+++ b/compiler/main/GhcMake.hs
-@@ -331,8 +331,7 @@ load how_much = do
-           liftIO $ intermediateCleanTempFiles dflags mods_to_keep hsc_env1
- 
-           -- there should be no Nothings where linkables should be, now
--          ASSERT(all (isJust.hm_linkable) 
--                    (eltsUFM (hsc_HPT hsc_env))) do
-+          ASSERT(all (isJust.hm_linkable) (eltsUFM (hsc_HPT hsc_env))) do
-     
-           -- Link everything together
-           linkresult <- liftIO $ link (ghcLink dflags) dflags False hpt4
-diff --git a/compiler/simplCore/SimplUtils.lhs b/compiler/simplCore/SimplUtils.lhs
-index 87aefba..479d2ef 100644
---- a/compiler/simplCore/SimplUtils.lhs
-+++ b/compiler/simplCore/SimplUtils.lhs
-@@ -415,8 +415,7 @@ mkArgInfo fun rules n_val_args call_cont
- 		   else
- 			map isStrictDmd demands ++ vanilla_stricts
- 	       | otherwise
--	       -> WARN( True, text "More demands than arity" <+> ppr fun <+> ppr (idArity fun) 
--				<+> ppr n_val_args <+> ppr demands ) 
-+	       -> WARN( True, text "More demands than arity" <+> ppr fun <+> ppr (idArity fun) <+> ppr n_val_args <+> ppr demands ) 
- 		   vanilla_stricts	-- Not enough args, or no strictness
- 
-     add_type_str :: Type -> [Bool] -> [Bool]
-diff --git a/compiler/simplCore/Simplify.lhs b/compiler/simplCore/Simplify.lhs
-index f2ed224..464fad6 100644
---- a/compiler/simplCore/Simplify.lhs
-+++ b/compiler/simplCore/Simplify.lhs
-@@ -2359,8 +2359,7 @@ mkDupableAlt env case_bndr (con, bndrs', rhs')
- 		      	     rhs = mkConApp dc (map Type (tyConAppArgs scrut_ty)
- 			     	   	        ++ varsToCoreExprs bndrs')
- 
--		      LitAlt {} -> WARN( True, ptext (sLit "mkDupableAlt")
--		      	     	   	        <+> ppr case_bndr <+> ppr con )
-+		      LitAlt {} -> WARN( True, ptext (sLit "mkDupableAlt") <+> ppr case_bndr <+> ppr con )
- 			           case_bndr
- 		      	   -- The case binder is alive but trivial, so why has 
- 		      	   -- it not been substituted away?
-diff --git a/compiler/types/Coercion.lhs b/compiler/types/Coercion.lhs
-index 42e54ba..9b420ae 100644
---- a/compiler/types/Coercion.lhs
-+++ b/compiler/types/Coercion.lhs
-@@ -498,8 +498,7 @@ splitForAllCo_maybe _                = Nothing
- coVarKind :: CoVar -> (Type,Type) 
- coVarKind cv
-  | Just (tc, [_kind,ty1,ty2]) <- splitTyConApp_maybe (varType cv)
-- = ASSERT (tc `hasKey` eqPrimTyConKey)
--   (ty1,ty2)
-+ = ASSERT (tc `hasKey` eqPrimTyConKey) (ty1,ty2)
-  | otherwise = panic "coVarKind, non coercion variable"
- 
- -- | Makes a coercion type from two types: the types whose equality 
diff --git a/pkgs/development/compilers/ghc/hpc-7.8.4.patch b/pkgs/development/compilers/ghc/hpc-7.8.4.patch
deleted file mode 100644
index 212989200bc5..000000000000
--- a/pkgs/development/compilers/ghc/hpc-7.8.4.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/compiler/cmm/CLabel.hs b/compiler/cmm/CLabel.hs
-index 991fc57..0aad221 100644
---- a/compiler/cmm/CLabel.hs
-+++ b/compiler/cmm/CLabel.hs
-@@ -877,7 +877,7 @@ labelDynamic dflags this_pkg this_mod lbl =
- 
-    PlainModuleInitLabel m -> not (gopt Opt_Static dflags) && this_pkg /= (modulePackageId m)
- 
--   HpcTicksLabel m        -> not (gopt Opt_Static dflags) && this_pkg /= (modulePackageId m)
-+   HpcTicksLabel m        -> not (gopt Opt_Static dflags) && this_mod /= m
- 
-    -- Note that DynamicLinkerLabels do NOT require dynamic linking themselves.
-    _                 -> False