diff --git a/.gitattributes b/.gitattributes
index 9b03811..7a752f0 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -21,3 +21,5 @@
 *.xz filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
+## Specific LFS patterns
+ghc-bootstrap-7.8.3.tar filter=lfs diff=lfs merge=lfs -text
diff --git a/README.openSUSE b/README.openSUSE
index f49cc8e..1e21312 100644
--- a/README.openSUSE
+++ b/README.openSUSE
@@ -2,16 +2,16 @@ Generating binary distributions for ghc bootstrap in Factory
 ============================================================
 
 1. Download source distribution from http://www.haskell.org/ghc/download
-2. If necessary, apply patches for openSUSE
+2. Apply patches for openSUSE
    * https://build.opensuse.org/package/show/devel:languages:haskell:bootstrap/ghc-prepare-binary-distributions
 3. Build binary distribution `make binary-dist`
 4. Download rpms from: 
+   * https://build.opensuse.org/package/binaries/devel:languages:haskell:bootstrap/ghc-prepare-binary-distributions?repository=openSUSE_Factory
    * https://build.opensuse.org/package/binaries/devel:languages:haskell:bootstrap/ghc-prepare-binary-distributions?repository=openSUSE_Factory_PowerPC_standard
-   * https://build.opensuse.org/package/binaries/devel:languages:haskell:bootstrap/ghc-prepare-binary-distributions?repository=openSUSE_Factory_zSystems
 5. Extract tarball `rpm2cpio ghc-prepare-binary-distributions*.rpm | cpio -idmv`
 6. Copy tarball to project devel:languages:haskell:compiler/ghc-bootstrap
 
 Note:
 =====
-The armv7, aarch64, i386, and x86_64 tarballs were taken from upstream.
-See: https://www.haskell.org/ghc/download_ghc_8_2_1.html
+The ix86 and x86_64 tarballs were taken from upstream.
+https://www.haskell.org/ghc/download_ghc_7_8_3
diff --git a/ghc-7.8.3-i386-unknown-linux-centos65.tar.bz2 b/ghc-7.8.3-i386-unknown-linux-centos65.tar.bz2
new file mode 100644
index 0000000..7470c08
--- /dev/null
+++ b/ghc-7.8.3-i386-unknown-linux-centos65.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:38c61b7535644dbc0fc0e484752e1f3db6326569663658a93cb609e8ad05feaa
+size 120180306
diff --git a/ghc-7.8.3-powerpc-unknown-linux.tar.bz2 b/ghc-7.8.3-powerpc-unknown-linux.tar.bz2
new file mode 100644
index 0000000..7bc169b
--- /dev/null
+++ b/ghc-7.8.3-powerpc-unknown-linux.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9e7baa80ecdb263ec8c577760817b16d32ba73ba0ebd48004d7a69899e826496
+size 60476033
diff --git a/ghc-7.8.3-powerpc64-unknown-linux.tar.bz2 b/ghc-7.8.3-powerpc64-unknown-linux.tar.bz2
new file mode 100644
index 0000000..1c98cf4
--- /dev/null
+++ b/ghc-7.8.3-powerpc64-unknown-linux.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dcf0af948d9146141347b4ac21ce604c63f84034cf993a8e147e4d8ce387bf12
+size 87051271
diff --git a/ghc-7.8.3-powerpc64le-unknown-linux.tar.bz2 b/ghc-7.8.3-powerpc64le-unknown-linux.tar.bz2
new file mode 100644
index 0000000..7708a6d
--- /dev/null
+++ b/ghc-7.8.3-powerpc64le-unknown-linux.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c5e2c51664c7db740be79c882c72fcd16036f84dff1b65ab0e9749b882ed31b6
+size 107100129
diff --git a/ghc-7.8.3-x86_64-unknown-linux-centos65.tar.bz2 b/ghc-7.8.3-x86_64-unknown-linux-centos65.tar.bz2
new file mode 100644
index 0000000..88fdae2
--- /dev/null
+++ b/ghc-7.8.3-x86_64-unknown-linux-centos65.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7561f2685063a49e46430050c057e801f210cc56c7fb2cab0951a6444a72c4f7
+size 113299736
diff --git a/ghc-7.8.4-aarch64-unknown-linux.tar.bz2 b/ghc-7.8.4-aarch64-unknown-linux.tar.bz2
new file mode 100644
index 0000000..926f293
--- /dev/null
+++ b/ghc-7.8.4-aarch64-unknown-linux.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7719ee27ae756eae2458bb8ade69a8c29c28d26d6ea8be36a73e5d003dd7024a
+size 87692219
diff --git a/ghc-7.8.4-s390-ibm-linux.tar.bz2 b/ghc-7.8.4-s390-ibm-linux.tar.bz2
new file mode 100644
index 0000000..e3e7c91
--- /dev/null
+++ b/ghc-7.8.4-s390-ibm-linux.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc7cb331aa41ff4c19fba1b72e1847533070d62d022ff282058a8d5969c49630
+size 100269236
diff --git a/ghc-7.8.4-s390x-ibm-linux.tar.bz2 b/ghc-7.8.4-s390x-ibm-linux.tar.bz2
new file mode 100644
index 0000000..085145b
--- /dev/null
+++ b/ghc-7.8.4-s390x-ibm-linux.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dde3e49eadcd8e537563b5925c2f0321f7a44b05826223aee2aa836e68bf7b46
+size 97006937
diff --git a/ghc-8.2.1-aarch64-deb8-linux.tar.xz b/ghc-8.2.1-aarch64-deb8-linux.tar.xz
deleted file mode 100644
index 496a2b1..0000000
--- a/ghc-8.2.1-aarch64-deb8-linux.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:61dab9c95ef9f9af8bce7338863fda3e42945eb46194b12d922b6d0dc245d0c2
-size 163469920
diff --git a/ghc-8.2.1-armv7-deb8-linux.tar.xz b/ghc-8.2.1-armv7-deb8-linux.tar.xz
deleted file mode 100644
index 2707b58..0000000
--- a/ghc-8.2.1-armv7-deb8-linux.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0f0e5e1d4fad3fa1a87ca1fe0d19242f4a94d158b7b8a08f99efefd98b51b019
-size 173741784
diff --git a/ghc-8.2.1-i386-deb8-linux.tar.xz b/ghc-8.2.1-i386-deb8-linux.tar.xz
deleted file mode 100644
index b7217f0..0000000
--- a/ghc-8.2.1-i386-deb8-linux.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d86f9c157dd4161a8acb14062c131c8985a4f65fc856603c373502be1d50c95e
-size 122702996
diff --git a/ghc-8.2.1-powerpc64-unknown-linux.tar.xz b/ghc-8.2.1-powerpc64-unknown-linux.tar.xz
deleted file mode 100644
index 4b93c18..0000000
--- a/ghc-8.2.1-powerpc64-unknown-linux.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6816294350768fa25fbfd6b7bf160d0aba27343423b97cc16d6ad37af6468ed3
-size 105098224
diff --git a/ghc-8.2.1-powerpc64le-unknown-linux.tar.xz b/ghc-8.2.1-powerpc64le-unknown-linux.tar.xz
deleted file mode 100644
index c1a76cf..0000000
--- a/ghc-8.2.1-powerpc64le-unknown-linux.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f3c16ab1e45eb680352198c719ca30cdcefafe6c2fce8bc055714722cc2e1696
-size 118447484
diff --git a/ghc-8.2.1-s390x-ibm-linux.tar.xz b/ghc-8.2.1-s390x-ibm-linux.tar.xz
deleted file mode 100644
index ed59071..0000000
--- a/ghc-8.2.1-s390x-ibm-linux.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7fbb61b67986efb7784a760d8e5074bb44496fbb3878ab13aeb2caf6a06ced4d
-size 135274992
diff --git a/ghc-8.2.1-x86_64-deb8-linux.tar.xz b/ghc-8.2.1-x86_64-deb8-linux.tar.xz
deleted file mode 100644
index 632baa2..0000000
--- a/ghc-8.2.1-x86_64-deb8-linux.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:543b81bf610240bd0398111d6c6607a9094dc2d159b564057d46c8a3d1aaa130
-size 126809836
diff --git a/ghc-bootstrap-7.8.3.tar b/ghc-bootstrap-7.8.3.tar
new file mode 100644
index 0000000..f37a743
--- /dev/null
+++ b/ghc-bootstrap-7.8.3.tar
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ceec3278ddaf2c71a879710026c2669acb31e3681f728ce5f0f2e506ef07f871
+size 10240
diff --git a/ghc-bootstrap.changes b/ghc-bootstrap.changes
index e3a168c..7792360 100644
--- a/ghc-bootstrap.changes
+++ b/ghc-bootstrap.changes
@@ -1,25 +1,8 @@
 -------------------------------------------------------------------
-Fri Jan 26 17:21:42 UTC 2018 - ptrommler@icloud.com
-
-- ppc64 binary built against openSUSE 13.2
-* fixes build on openSUSE 13.2 ppc64 
-
--------------------------------------------------------------------
-Wed Jan 24 15:55:08 UTC 2018 - ptrommler@icloud.com
+Thu Feb  8 10:51:10 UTC 2018 - ptrommler@icloud.com
 
 - don't override debug packages handling
-* fixes build in Tumbleweed 
-
--------------------------------------------------------------------
-Mon Jul 24 11:15:31 UTC 2017 - peter.trommler@ohm-hochschule.de
-
-- update to 8.2.1 on all arches
-* required to bootstrap ghc 8.2.1
-* drop support for ppc and s390
-* add support for arm7l
-* add support for registerised LLVM backend on aarch64
-- update instructions to produce bindists
-- remove libgmp hack, upstream bindists link against new libgmp 
+  * fixes build for Leap 15
 
 -------------------------------------------------------------------
 Sun Mar  5 15:27:59 UTC 2017 - mimi.vx@gmail.com
diff --git a/ghc-bootstrap.spec b/ghc-bootstrap.spec
index 306d22c..15f8db9 100644
--- a/ghc-bootstrap.spec
+++ b/ghc-bootstrap.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ghc-bootstrap
 #
-# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -18,6 +18,7 @@
 
 %ifarch %{ix86}
 %define longarch i386
+%define os_release -centos65
 %endif
 %ifarch ppc
 %define longarch powerpc
@@ -37,51 +38,49 @@
 %ifarch aarch64
 %define longarch aarch64
 %endif
-%ifarch %{arm}
-%define longarch armv7
-%endif
 %ifarch x86_64
 %define longarch x86_64
+%define os_release -centos65
+%endif
+%ifarch aarch64 s390 s390x
+%define xversion 7.8.4
+%else
+%define xversion 7.8.3
 %endif
 %ifarch s390 s390x
 %define sysname ibm
 %else
-%ifarch x86_64 %{ix86} aarch64 %{arm}
-%define sysname deb8
-%endif
-%ifarch ppc64 ppc64le
 %define sysname unknown
 %endif
-%endif
+
+%global without_hscolour 1
 
 Name:           ghc-bootstrap
-Version:        8.2.1
+Version:        7.8.3
 Release:        0
 Url:            https://build.opensuse.org/package/view_file/devel:languages:haskell:bootstrap
 Summary:        Binary distributions of The Glorious Glasgow Haskell Compiler
 License:        BSD-3-Clause
 Group:          Development/Languages/Other
+Source:         %{name}-%{version}.tar
 Source1:        README.openSUSE
 Source2:        LICENSE
-Source10:       ghc-8.2.1-i386-deb8-linux.tar.xz
-Source12:       ghc-8.2.1-powerpc64-unknown-linux.tar.xz
-Source13:       ghc-8.2.1-powerpc64le-unknown-linux.tar.xz
-Source14:       ghc-8.2.1-x86_64-deb8-linux.tar.xz
-Source16:       ghc-8.2.1-s390x-ibm-linux.tar.xz
-Source17:       ghc-8.2.1-aarch64-deb8-linux.tar.xz
-Source18:       ghc-8.2.1-armv7-deb8-linux.tar.xz
+Source10:       ghc-7.8.3-i386-unknown-linux-centos65.tar.bz2
+Source11:       ghc-7.8.3-powerpc-unknown-linux.tar.bz2
+Source12:       ghc-7.8.3-powerpc64-unknown-linux.tar.bz2
+Source13:       ghc-7.8.3-powerpc64le-unknown-linux.tar.bz2
+Source14:       ghc-7.8.3-x86_64-unknown-linux-centos65.tar.bz2
+Source15:       ghc-7.8.4-s390-ibm-linux.tar.bz2
+Source16:       ghc-7.8.4-s390x-ibm-linux.tar.bz2
+Source17:       ghc-7.8.4-aarch64-unknown-linux.tar.bz2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  fdupes
 BuildRequires:  gmp-devel
 BuildRequires:  libncurses5
-%ifarch aarch64 %{arm}
-BuildRequires:  binutils-gold
-Requires:       binutils-gold
-%endif
-Requires:       gmp-devel
 Requires:       libncurses5
+Requires:       gmp-devel
 
-ExclusiveArch:  %{ix86} ppc64 ppc64le x86_64 s390x aarch64 %{arm}
+ExclusiveArch:  %{ix86} ppc ppc64 ppc64le x86_64 s390 s390x aarch64
 Provides:       ghc-bootstrap-devel
 
 Conflicts:      ghc
@@ -139,24 +138,37 @@ Haskell home page at <http://www.haskell.org/>.
 
 
 %prep
+%setup -q
 cp %SOURCE1 .
 cp %SOURCE2 .
 cp %SOURCE10 .
+cp %SOURCE11 .
 cp %SOURCE12 .
 cp %SOURCE13 .
 cp %SOURCE14 .
+cp %SOURCE15 .
 cp %SOURCE16 .
 cp %SOURCE17 .
-cp %SOURCE18 .
 
 %build
-tar Jxf ghc-%{version}-%{longarch}-%{sysname}-linux.tar.xz
-cd ghc-%{version}
+%if 0%{suse_version} > 1130
+ln -s %{_libdir}/libgmp.so.10 libgmp.so.3
+export LD_LIBRARY_PATH=`pwd`:$LD_LIBRARY_PATH
+%endif
+tar jxf ghc-%{xversion}-%{longarch}-%{sysname}-linux%{?os_release}.tar.bz2
+cd ghc-%{xversion}
 ./configure --prefix=%{_prefix}
 
 %install
-cd ghc-%{version}
+%if 0%{suse_version} > 1130
+export LD_LIBRARY_PATH=`pwd`:$LD_LIBRARY_PATH
+%endif
+cd ghc-%{xversion}
 %makeinstall
+%if 0%{suse_version} > 1130
+install -dm 0755 %{buildroot}%{_libdir}
+ln -s %{_libdir}/libgmp.so.10 %{buildroot}%{_libdir}/libgmp.so.3
+%endif
 %fdupes -s %{buildroot}
 
 %post
@@ -167,10 +179,13 @@ ghc-pkg recache
 %doc README.openSUSE
 %doc LICENSE
 %{_bindir}/*
-%{_prefix}/lib/ghc-%{version}
+%{_prefix}/lib/ghc-%{xversion}
 %{_datadir}/doc/*
-
-%ifarch %{ix86} x86_64 aarch64 %{arm} 
+%if 0%{suse_version} > 1130
+%{_libdir}/libgmp.so.3
+%endif
+# for some reason there is no manpage for ghc in the x86_64 tarball
+%ifarch %{ix86}
 %{_mandir}/man1/ghc.1*
 %endif