revert ld.gold to armv7 only; static ghc progs for aarch64

- ld.gold patch didn't fix subprocess output problem

aarch64 ghci crashes with both gold and bfd but TH seems to work

ghc-7.8-arm-use-ld-gold.patch

@@ -1,42 +0,0 @@
-armv7 by nomeata: https://ghc.haskell.org/trac/ghc/ticket/8976#comment:12
-arm64 backport of https://ghc.haskell.org/trac/ghc/ticket/9673#comment:28 (erikd)
-
---- ghc-7.8.4/aclocal.m4.24~	2015-04-01 04:48:39.961193022 -0400
-+++ ghc-7.8.4/aclocal.m4	2015-04-01 04:50:19.708203082 -0400
-@@ -553,6 +553,14 @@
-         $3="$$3 -D_HPUX_SOURCE"
-         $5="$$5 -D_HPUX_SOURCE"
-         ;;
-+    arm*)
-+        # On arm, link using gold
-+        $3="$$3 -fuse-ld=gold"
-+        ;;
-+    aarch64)
-+        # On arm, link using gold
-+        $3="$$3 -fuse-ld=gold"
-+        ;;
-     esac
- 
-     # If gcc knows about the stack protector, turn it off.
---- ghc-7.8.4/configure.ac~	2014-12-22 14:08:24.000000000 -0500
-+++ ghc-7.8.4/configure.ac	2015-04-22 00:08:54.646110535 -0400
-@@ -587,7 +587,18 @@
- dnl ** Which ld to use?
- dnl --------------------------------------------------------------
- FP_ARG_WITH_PATH_GNU_PROG([LD], [ld], [ld])
--LdCmd="$LD"
-+case $target in
-+arm*linux* | aarch64*linux*)
-+	# Arm requires use of the binutils ld.gold linker.
-+	# This case should catch at least arm-unknown-linux-gnueabihf and
-+	# arm-linux-androideabi.
-+	FP_ARG_WITH_PATH_GNU_PROG([LD_GOLD], [ld.gold], [ld.gold])
-+	LdCmd="$LD_GOLD"
-+	;;
-+*)
-+	LdCmd="$LD"
-+	;;
-+esac
- AC_SUBST([LdCmd])
- 
- dnl ** Which nm to use?

ghc-7.8-arm7-use-ld-gold-8976.patch

@@ -0,0 +1,17 @@
+Patch by nomeata: https://ghc.haskell.org/trac/ghc/ticket/8976#comment:12
+
+Index: ghc-7.8.3.20141119/aclocal.m4
+===================================================================
+--- ghc-7.8.3.20141119.orig/aclocal.m4	2014-12-08 18:49:28.207171714 +0100
++++ ghc-7.8.3.20141119/aclocal.m4	2014-12-08 19:03:06.815522917 +0100
+@@ -553,6 +553,10 @@
+         $3="$$3 -D_HPUX_SOURCE"
+         $5="$$5 -D_HPUX_SOURCE"
+         ;;
++    arm*)
++        # On arm, link using gold
++        $3="$$3 -fuse-ld=gold"
++        ;;
+     esac
+ 
+     # If gcc knows about the stack protector, turn it off.

ghc.spec

@@ -56,7 +56,7 @@ Patch20: ghc-glibc-2.20_BSD_SOURCE.patch
 Patch21: ghc-arm64.patch
 Patch22: ghc-armv7-VFPv3D16--NEON.patch
 Patch23: ghc-7.8.3-Cabal-install-PATH-warning.patch
-Patch24: ghc-7.8-arm-use-ld-gold.patch
+Patch24: ghc-7.8-arm7-use-ld-gold-8976.patch
 Patch25: ghc-7.8-arm7_saner-linker-opt-handling-9873.patch
 Patch26: ghc-config.mk.in-Enable-SMP-and-GHCi-support-for-Aarch64.patch
 
@@ -276,12 +276,9 @@ rm -r libffi-tarballs
 %patch26 -p1 -b .orig
 %endif
 
-%ifarch armv7hl aarch64
-%patch24 -p1 -b .24~
-%endif
-
 %ifarch armv7hl
 %patch22 -p1 -b .orig
+%patch24 -p1 -b .24~
 %patch25 -p1 -b .25~
 %endif
 
@@ -320,6 +317,11 @@ HADDOCK_DOCS = NO
 %if %{defined without_manual}
 BUILD_DOCBOOK_HTML = NO
 %endif
+%ifarch aarch64
+# aarch64 dynlinking causing runtime IO problems
+# https://ghc.haskell.org/trac/ghc/ticket/9673
+DYNAMIC_GHC_PROGRAMS=NO
+%endif
 ## for verbose build output
 #GhcStage1HcOpts=-v4
 ## enable RTS debugging:
@@ -587,8 +589,7 @@ fi
 
 %changelog
 * Wed Apr 22 2015 Jens Petersen <petersen@redhat.com> - 7.8.4-44
-- use ld.gold on aarch64 like for armv7 (Erik de Castro Lopo, #1195231)
-- turn on SMP and ghci for aarch64 (Erik de Castro Lopo, #1195231)
+- turn on SMP and ghci for aarch64 (Erik de Castro Lopo, #1203951)
 - use "make -j2" for s390 (#1212374)
 
 * Mon Mar 30 2015 Jens Petersen <petersen@redhat.com> - 7.8.4-43