diff -Nru ghc-7.10.2-7.10.2/debian/changelog ghc-7.10.2-7.10.2/debian/changelog
--- ghc-7.10.2-7.10.2/debian/changelog	2016-10-12 19:15:13.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/changelog	2016-10-22 14:03:33.000000000 +0000
@@ -1,5 +1,5 @@
-ghc-7.10.2 (7.10.2-12~precise) precise; urgency=medium
+ghc-7.10.2 (7.10.2-13~12.04) precise; urgency=medium
 
   * Initial release
 
- -- Herbert Valerio Riedel <hvr@gnu.org>  Wed, 12 Oct 2016 21:15:13 +0200
+ -- Herbert Valerio Riedel <hvr@gnu.org>  Sat, 22 Oct 2016 16:03:33 +0200
diff -Nru ghc-7.10.2-7.10.2/debian/control ghc-7.10.2-7.10.2/debian/control
--- ghc-7.10.2-7.10.2/debian/control	2016-10-12 19:15:13.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/control	2016-10-22 14:03:33.000000000 +0000
@@ -14,13 +14,13 @@
 
 Package: ghc-7.10.2-prof
 Architecture: amd64 i386
-Depends: ghc-7.10.2 (= 7.10.2-12~precise)
+Depends: ghc-7.10.2 (= 7.10.2-13~12.04)
 Description: The Glasgow Haskell Compilation system
  This package contains the profiling libs
 
 Package: ghc-7.10.2-dyn
 Architecture: amd64 i386
-Depends: ghc-7.10.2 (= 7.10.2-12~precise)
+Depends: ghc-7.10.2 (= 7.10.2-13~12.04)
 Description: The Glasgow Haskell Compilation system
  This package is an empty transitional package. You can safely remove it.
 
diff -Nru ghc-7.10.2-7.10.2/debian/ghc-7.10.2.postinst ghc-7.10.2-7.10.2/debian/ghc-7.10.2.postinst
--- ghc-7.10.2-7.10.2/debian/ghc-7.10.2.postinst	2016-10-12 19:15:13.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/ghc-7.10.2.postinst	2016-10-22 14:03:33.000000000 +0000
@@ -1,2 +1,6 @@
 #! /bin/sh
+set -e
+
 touch /opt/ghc/7.10.2/lib/ghc-*/package.conf.d/package.cache
+
+update-alternatives --install /opt/ghc/bin/ghc opt-ghc /opt/ghc/bin/ghc-7.10.2 71002 --slave /opt/ghc/bin/runghc opt-runghc /opt/ghc/bin/runghc-7.10.2 --slave /opt/ghc/bin/ghci opt-ghci /opt/ghc/bin/ghci-7.10.2 --slave /opt/ghc/bin/ghc-pkg opt-ghc-pkg /opt/ghc/bin/ghc-pkg-7.10.2 --slave /opt/ghc/bin/haddock opt-haddock /opt/ghc/bin/haddock-ghc-7.10.2  #DEBHELPER#
diff -Nru ghc-7.10.2-7.10.2/debian/ghc-7.10.2.prerm ghc-7.10.2-7.10.2/debian/ghc-7.10.2.prerm
--- ghc-7.10.2-7.10.2/debian/ghc-7.10.2.prerm	1970-01-01 00:00:00.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/ghc-7.10.2.prerm	2016-10-22 14:03:33.000000000 +0000
@@ -0,0 +1,9 @@
+#! /bin/sh
+set -e
+
+if test "$1" != upgrade
+then
+  update-alternatives --remove opt-ghc /opt/ghc/bin/ghc-7.10.2
+fi
+
+#DEBHELPER#
diff -Nru ghc-7.10.2-7.10.2/debian/patches/ghc-7.0-pie.patch ghc-7.10.2-7.10.2/debian/patches/ghc-7.0-pie.patch
--- ghc-7.10.2-7.10.2/debian/patches/ghc-7.0-pie.patch	1970-01-01 00:00:00.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/patches/ghc-7.0-pie.patch	2016-10-22 14:03:33.000000000 +0000
@@ -0,0 +1,43 @@
+Index: ghc-7.0.4-7.0.4/compiler/main/DriverPipeline.hs
+===================================================================
+--- ghc-7.0.4-7.0.4.orig/compiler/main/DriverPipeline.hs
++++ ghc-7.0.4-7.0.4/compiler/main/DriverPipeline.hs
+@@ -1212,6 +1212,7 @@ runPhase SplitAs _stop hsc_env _basename
+                             SysTools.Option "-nostdlib",
+                             SysTools.Option "-nodefaultlibs",
+                             SysTools.Option "-Wl,-r",
++                            SysTools.Option "-no-pie",
+                             SysTools.Option ld_x_flag,
+                             SysTools.Option "-o",
+                             SysTools.FileOption "" output_fn ]
+@@ -1514,7 +1515,7 @@ linkBinary dflags o_files dep_packages =
+     extra_ld_inputs <- readIORef v_Ld_inputs
+ 
+         -- opts from -optl-<blah> (including -l<blah> options)
+-    let extra_ld_opts = getOpts dflags opt_l
++    let extra_ld_opts = "-no-pie" : getOpts dflags opt_l
+ 
+     let ways = wayNames dflags
+ 
+@@ -1696,7 +1697,7 @@ linkDynLib dflags o_files dep_packages =
+     extra_ld_inputs <- readIORef v_Ld_inputs
+ 
+     let (md_c_flags, _) = machdepCCOpts dflags
+-    let extra_ld_opts = getOpts dflags opt_l
++    let extra_ld_opts = "-no-pie" : getOpts dflags opt_l
+ 
+     rtsEnabledObj <- mkRtsOptionsLevelObj dflags
+ 
+Index: ghc-7.0.4-7.0.4/compiler/main/DynFlags.hs
+===================================================================
+--- ghc-7.0.4-7.0.4.orig/compiler/main/DynFlags.hs
++++ ghc-7.0.4-7.0.4/compiler/main/DynFlags.hs
+@@ -2186,7 +2186,7 @@ machdepCCOpts' _dflags
+ 
+ #elif x86_64_TARGET_ARCH
+         = (
+-                [],
++                ["-fno-PIE"],
+                 ["-fomit-frame-pointer",
+                  "-fno-asynchronous-unwind-tables",
+                         -- the unwind tables are unnecessary for HC code,
diff -Nru ghc-7.10.2-7.10.2/debian/patches/ghc-7.2-pie.patch ghc-7.10.2-7.10.2/debian/patches/ghc-7.2-pie.patch
--- ghc-7.10.2-7.10.2/debian/patches/ghc-7.2-pie.patch	1970-01-01 00:00:00.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/patches/ghc-7.2-pie.patch	2016-10-22 14:03:33.000000000 +0000
@@ -0,0 +1,50 @@
+Index: ghc-7.2.1/compiler/main/DriverPipeline.hs
+===================================================================
+--- ghc-7.2.1.orig/compiler/main/DriverPipeline.hs
++++ ghc-7.2.1/compiler/main/DriverPipeline.hs
+@@ -1010,7 +1010,7 @@ runPhase Cmm input_fn dflags
+ runPhase cc_phase input_fn dflags
+    | cc_phase `eqPhase` Cc || cc_phase `eqPhase` Ccpp || cc_phase `eqPhase` HCc || cc_phase `eqPhase` Cobjc
+    = do
+-        let cc_opts = getOpts dflags opt_c
++        let cc_opts = "-fno-PIE" : getOpts dflags opt_c
+             hcc = cc_phase `eqPhase` HCc
+ 
+         let cmdline_include_paths = includePaths dflags
+@@ -1624,7 +1624,7 @@ linkBinary dflags o_files dep_packages =
+     extra_ld_inputs <- readIORef v_Ld_inputs
+ 
+         -- opts from -optl-<blah> (including -l<blah> options)
+-    let extra_ld_opts = getOpts dflags opt_l
++    let extra_ld_opts = "-no-pie" : getOpts dflags opt_l
+ 
+     let ways = wayNames dflags
+ 
+@@ -1808,7 +1808,7 @@ linkDynLib dflags o_files dep_packages =
+         -- probably _stub.o files
+     extra_ld_inputs <- readIORef v_Ld_inputs
+ 
+-    let extra_ld_opts = getOpts dflags opt_l
++    let extra_ld_opts = "-no-pie" : getOpts dflags opt_l
+ 
+     extraLinkObj <- mkExtraObjToLinkIntoBinary dflags dep_packages
+ 
+@@ -1947,7 +1947,7 @@ doCpp dflags raw include_cc_opts input_f
+     let verbFlags = getVerbFlags dflags
+ 
+     let cc_opts
+-          | include_cc_opts = getOpts dflags opt_c
++          | include_cc_opts = "-fno-PIE" : getOpts dflags opt_c
+           | otherwise       = []
+ 
+     let cpp_prog args | raw       = SysTools.runCpp dflags args
+@@ -1995,7 +1995,8 @@ joinObjectFiles dflags o_files output_fn
+   let ld_r args = SysTools.runLink dflags ([
+                             SysTools.Option "-nostdlib",
+                             SysTools.Option "-nodefaultlibs",
+-                            SysTools.Option "-Wl,-r"
++                            SysTools.Option "-Wl,-r",
++                            SysTools.Option "-no-pie"
+                             ]
+                             -- gcc on sparc sets -Wl,--relax implicitly, but
+                             -- -r and --relax are incompatible for ld, so
diff -Nru ghc-7.10.2-7.10.2/debian/patches/ghc-7.4-pragma-lexer-bug.patch ghc-7.10.2-7.10.2/debian/patches/ghc-7.4-pragma-lexer-bug.patch
--- ghc-7.10.2-7.10.2/debian/patches/ghc-7.4-pragma-lexer-bug.patch	1970-01-01 00:00:00.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/patches/ghc-7.4-pragma-lexer-bug.patch	2016-10-22 14:03:33.000000000 +0000
@@ -0,0 +1,13 @@
+Index: ghc-7.4.2/compiler/main/HeaderInfo.hs
+===================================================================
+--- ghc-7.4.2.orig/compiler/main/HeaderInfo.hs	2012-06-06 19:10:25.000000000 +0200
++++ ghc-7.4.2/compiler/main/HeaderInfo.hs	2016-10-12 11:54:22.217961979 +0200
+@@ -155,7 +155,7 @@
+ 
+ blockSize :: Int
+ -- blockSize = 17 -- for testing :-)
+-blockSize = 1024
++blockSize = 32768
+ 
+ lazyGetToks :: DynFlags -> FilePath -> Handle -> IO [Located Token]
+ lazyGetToks dflags filename handle = do
diff -Nru ghc-7.10.2-7.10.2/debian/patches/ghc-74-pragma-lexer-bug.patch ghc-7.10.2-7.10.2/debian/patches/ghc-74-pragma-lexer-bug.patch
--- ghc-7.10.2-7.10.2/debian/patches/ghc-74-pragma-lexer-bug.patch	2016-10-12 19:15:13.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/patches/ghc-74-pragma-lexer-bug.patch	1970-01-01 00:00:00.000000000 +0000
@@ -1,13 +0,0 @@
-Index: ghc-7.4.2/compiler/main/HeaderInfo.hs
-===================================================================
---- ghc-7.4.2.orig/compiler/main/HeaderInfo.hs	2012-06-06 19:10:25.000000000 +0200
-+++ ghc-7.4.2/compiler/main/HeaderInfo.hs	2016-10-12 11:54:22.217961979 +0200
-@@ -155,7 +155,7 @@
- 
- blockSize :: Int
- -- blockSize = 17 -- for testing :-)
--blockSize = 1024
-+blockSize = 32768
- 
- lazyGetToks :: DynFlags -> FilePath -> Handle -> IO [Located Token]
- lazyGetToks dflags filename handle = do
diff -Nru ghc-7.10.2-7.10.2/debian/patches/ticket-5005.patch ghc-7.10.2-7.10.2/debian/patches/ticket-5005.patch
--- ghc-7.10.2-7.10.2/debian/patches/ticket-5005.patch	1970-01-01 00:00:00.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/patches/ticket-5005.patch	2016-10-22 14:03:33.000000000 +0000
@@ -0,0 +1,60 @@
+Description: Never use epoll_create1
+ See GHC Ticket #5005
+ .
+ ghc-7.0.1 (7.0.1-1) precise; urgency=low
+ .
+   * Initial release
+Author: Herbert Valerio Riedel <hvr@gnu.org>
+
+---
+The information above should follow the Patch Tagging Guidelines, please
+checkout http://dep.debian.net/deps/dep3/ to learn about the format. Here
+are templates for supplementary fields that you might want to add:
+
+Origin: <vendor|upstream|other>, <url of original patch>
+Bug: <url in upstream bugtracker>
+Bug-Debian: http://bugs.debian.org/<bugnumber>
+Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
+Forwarded: <no|not-needed|url proving that it has been forwarded>
+Reviewed-By: <name and email of someone who approved the patch>
+Last-Update: <YYYY-MM-DD>
+
+--- ghc-7.0.1-7.0.1.orig/libraries/base/System/Event/EPoll.hsc
++++ ghc-7.0.1-7.0.1/libraries/base/System/Event/EPoll.hsc
+@@ -47,9 +47,7 @@ import GHC.Num (Num(..))
+ import GHC.Real (ceiling, fromIntegral)
+ import GHC.Show (Show)
+ import System.Posix.Internals (c_close)
+-#if !defined(HAVE_EPOLL_CREATE1)
+ import System.Posix.Internals (setCloseOnExec)
+-#endif
+ import System.Posix.Types (Fd(..))
+ 
+ import qualified System.Event.Array    as A
+@@ -159,12 +157,8 @@ newtype EventType = EventType {
+ epollCreate :: IO EPollFd
+ epollCreate = do
+   fd <- throwErrnoIfMinus1 "epollCreate" $
+-#if defined(HAVE_EPOLL_CREATE1)
+-        c_epoll_create1 (#const EPOLL_CLOEXEC)
+-#else
+         c_epoll_create 256 -- argument is ignored
+   setCloseOnExec fd
+-#endif
+   let !epollFd' = EPollFd fd
+   return epollFd'
+ 
+@@ -196,13 +190,8 @@ fromTimeout :: Timeout -> Int
+ fromTimeout Forever     = -1
+ fromTimeout (Timeout s) = ceiling $ 1000 * s
+ 
+-#if defined(HAVE_EPOLL_CREATE1)
+-foreign import ccall unsafe "sys/epoll.h epoll_create1"
+-    c_epoll_create1 :: CInt -> IO CInt
+-#else
+ foreign import ccall unsafe "sys/epoll.h epoll_create"
+     c_epoll_create :: CInt -> IO CInt
+-#endif
+ 
+ foreign import ccall unsafe "sys/epoll.h epoll_ctl"
+     c_epoll_ctl :: CInt -> CInt -> CInt -> Ptr Event -> IO CInt
diff -Nru ghc-7.10.2-7.10.2/debian/rules ghc-7.10.2-7.10.2/debian/rules
--- ghc-7.10.2-7.10.2/debian/rules	2016-10-12 19:15:13.000000000 +0000
+++ ghc-7.10.2-7.10.2/debian/rules	2016-10-22 14:03:33.000000000 +0000
@@ -10,7 +10,7 @@
 
 
 %:
-	dh $@
+	dh $@ --parallel
 
 override_dh_auto_configure:
 	echo "HADDOCK_DOCS=YES"		>  mk/build.mk
@@ -22,12 +22,13 @@
 	echo "BUILD_DOCBOOK_PDF=NO"	>> mk/build.mk
 	echo "BUILD_DOCBOOK_PS=NO"	>> mk/build.mk
 	echo "GhcLibWays=v dyn p"	>> mk/build.mk
+	echo "V=0" >> mk/build.mk
 	./configure $(EXTRA_CONFIGURE_FLAGS) --prefix=/opt/ghc/$(GHCDEBVER)
 
 override_dh_auto_test:
 
 override_dh_auto_build:
-	make V=0 -j3
+	dh_auto_build
 
 override_dh_shlibdeps: