drop _smp_mflags for now since it can overwhelm armv7hl

ghc-rpm-macros.spec

@@ -137,6 +137,7 @@ EOF
 %changelog
 * Wed Aug 17 2016 Jens Petersen <petersen@redhat.com> - 1.6.4-1
 - add ghc_sublib_build and ghc_sublib_install to ease bundling libraries
+- drop _smp_mflags for now since it can overwhelm armv7hl
 
 * Sat Aug  6 2016 Jens Petersen <petersen@redhat.com> - 1.6.3-1
 - cabal_verbose from github fedora-haskell/ghc-rpm-macros

macros.ghc

@@ -104,13 +104,13 @@ install -D --mode=0644 %{pkgnamever}.conf %{buildroot}%{ghclibdir}/package.conf.
 %ghc_bin_build\
 %global debug_package %{nil}\
 %cabal_configure\
-%cabal build %{_smp_mflags} %{?cabal_verbose}
+%cabal build %{?cabal_verbose}
 
 # ghc_lib_build_without_haddock [name] [version]
 %ghc_lib_build_without_haddock()\
 %global debug_package %{nil}\
-%cabal_configure %{!?without_prof:-p} %{!?ghc_without_shared:--enable-shared} %{?ghc_without_shared:--disable-shared} %{?pkg_name:--htmldir=%{ghclibdocdir}/%{pkg_name}-%{version}} %{?1:--docdir=%{_docdir}/ghc-%1%{!?fedora:-%2} --htmldir=%{ghclibdocdir}/%1-%2} %{!?1:--global} %{?ghc_with_lib_for_ghci:--enable-library-for-ghci}\
-%cabal build %{_smp_mflags} %{?cabal_verbose}\
+%cabal_configure %{!?without_prof:-p} %{!?ghc_without_shared:--enable-shared} %{?ghc_without_shared:--disable-shared} %{?pkg_name:--htmldir=%{ghclibdocdir}/%{pkg_name}-%{version}} %{?1:--docdir=%{_docdir}/ghc-%1%{!?fedora:-%2} --htmldir=%{ghclibdocdir}/%1-%2} %{!?1:--global} %{?1:--package-db=user} %{?ghc_with_lib_for_ghci:--enable-library-for-ghci}\
+%cabal build %{?cabal_verbose}\
 %{nil}
 
 # ghc_lib_build [name] [version]