try not setting CFLAGS and LDFLAGS for aarch64 (for ghc-7.10.3)

- -Wall is very noisy (unused warnings)
- dynlink failing

ghc-rpm-macros.spec

@@ -11,7 +11,7 @@
 
 Name:           ghc-rpm-macros
 Version:        1.6.9
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        RPM macros for building Haskell packages for GHC
 
 License:        GPLv3+
@@ -137,6 +137,9 @@ EOF
 
 
 %changelog
+* Mon Oct 17 2016 Jens Petersen <petersen@redhat.com> - 1.6.9-5
+- for aarch64 do not set CFLAGS and LDFLAGS
+
 * Wed Oct 12 2016 Jens Petersen <petersen@redhat.com> - 1.6.9-4
 - remove Agda obsoletes
 

macros.ghc

@@ -23,8 +23,10 @@ fi
 %cabal_configure\
 %ghc_check_bootstrap\
 %global _hardened_ldflags %{nil}\
+%ifnarch aarch64\
 CFLAGS="${CFLAGS:-%optflags}"; export CFLAGS\
 LDFLAGS="${LDFLAGS:-%{?__global_ldflags}}"; export LDFLAGS\
+%endif\
 %cabal configure %{?cabal_verbose} --prefix=%{_prefix} --libdir=%{_libdir} --docdir=%{_defaultlicensedir}/%{name} --libsubdir='$compiler/$pkgkey' --datasubdir='$pkgid' --ghc %{!?ghc_without_dynamic:--enable-executable-dynamic} %{?with_tests:--enable-tests} --ghc-options="$(echo ' '$CFLAGS | sed -e 's/ / -optc/g') $(echo ' '$LDFLAGS | sed -e 's/ / -optl/g')" %{?cabal_configure_options} $cabal_configure_extra_options
 
 # install