Remove obsolete patch

Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>

ghc-8.2.20-riscv.patch

@@ -0,0 +1,26 @@
+diff --git a/aclocal.m4 b/aclocal.m4
+index 6eda094..728d8db 100644
+--- a/aclocal.m4
++++ b/aclocal.m4
+@@ -217,7 +217,7 @@ AC_DEFUN([FPTOOLS_SET_HASKELL_PLATFORM_VARS],
+         mipsel)
+             test -z "[$]2" || eval "[$]2=ArchMipsel"
+             ;;
+-        hppa|hppa1_1|ia64|m68k|nios2|rs6000|s390|s390x|sh4|vax)
++        hppa|hppa1_1|ia64|m68k|nios2|riscv32|riscv64|rs6000|s390|s390x|sh4|vax)
+             test -z "[$]2" || eval "[$]2=ArchUnknown"
+             ;;
+         *)
+@@ -1906,6 +1906,12 @@ case "$1" in
+   powerpc*)
+     $2="powerpc"
+     ;;
++  riscv64*)
++    $2="riscv64"
++    ;;
++  riscv|riscv32*)
++    $2="riscv32"
++    ;;
+   rs6000)
+     $2="rs6000"
+     ;;

ghc.spec

@@ -41,7 +41,7 @@
 %global llvm_major 6.0
 %global ghc_llvm_archs armv7hl aarch64
 
-%global ghc_unregisterized_arches s390 s390x %{mips}
+%global ghc_unregisterized_arches s390 s390x %{mips} riscv64
 
 Name: ghc
 Version: 8.6.5
@@ -49,7 +49,7 @@ Version: 8.6.5
 # - release can only be reset if *all* library versions get bumped simultaneously
 #   (sometimes after a major release)
 # - minor release numbers for a branch should be incremented monotonically
-Release: 103%{?dist}
+Release: 103.0.riscv64%{?dist}
 Summary: Glasgow Haskell Compiler
 
 License: BSD and HaskellReport
@@ -107,6 +107,9 @@ Patch32: https://salsa.debian.org/haskell-team/DHG_packages/raw/master/p/ghc/deb
 # https://salsa.debian.org/haskell-team/DHG_packages/blob/master/p/ghc/debian/patches/fix-build-using-unregisterized-v8.4
 Patch34: fix-build-using-unregisterized-v8.4.patch
 
+# RISC-V
+Patch40: ghc-8.2.20-riscv.patch
+
 # fedora ghc has been bootstrapped on
 # %%{ix86} x86_64 ppc ppc64 armv7hl s390 s390x ppc64le aarch64
 # and retired arches: alpha sparcv9 armv5tel
@@ -151,7 +154,7 @@ BuildRequires: llvm >= %{llvm_major}
 %if %{with dwarf}
 BuildRequires: elfutils-devel
 %endif
-%ifarch armv7hl
+%ifarch armv7hl riscv64
 # patch12
 BuildRequires: autoconf, automake
 %endif
@@ -358,6 +361,10 @@ cd libraries/process
 %patch30 -p1 -b .orig
 %patch32 -p1 -b .orig
 
+%ifarch riscv64
+%patch40 -p1 -b .orig
+%endif
+
 %global gen_contents_index gen_contents_index.orig
 %if %{with haddock}
 if [ ! -f "libraries/%{gen_contents_index}" ]; then
@@ -404,7 +411,7 @@ EOF
 
 %build
 # for patch12
-%ifarch armv7hl
+%ifarch armv7hl riscv64
 autoreconf
 %endif
 
@@ -683,6 +690,9 @@ env -C %{ghc_html_libraries_dir} ./gen_contents_index
 
 
 %changelog
+* Thu Apr 16 2019 David Abdurachmanov <david.abdurachmanov@sifive.com> - 8.6.5-103.0.riscv64
+- Enable RISC-V (riscv64)
+
 * Thu Apr  9 2020 Jens Petersen <petersen@redhat.com> - 8.6.5-103
 - fix running of gen_contents_index when no haddocks (#1813548)