enable armv7hl with -O0 (#1806116)

hlint.spec

@@ -10,7 +10,7 @@
 Name:           %{pkg_name}
 Version:        2.1.26
 # can only be reset when all subpkgs bumped
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Haskell source code suggestions
 
 License:        BSD
@@ -61,8 +61,7 @@ BuildRequires:  ghc-unix-prof
 BuildRequires:  alex
 BuildRequires:  happy
 # https://github.com/digital-asset/ghc-lib/issues/184 (s390x)
-# ghc-lib crashes on armv7hl
-ExcludeArch:    armv7hl s390x
+ExcludeArch:    s390x
 
 %description
 HLint gives suggestions on how to improve your source code.
@@ -135,6 +134,10 @@ This package provides the Haskell %{name} profiling library.
 
 %build
 # Begin cabal-rpm build:
+%ifarch armv7hl
+# https://bugzilla.redhat.com/show_bug.cgi?id=1806116
+%define cabal_configure_options --ghc-options="-O0"
+%endif
 %ghc_libs_build %{subpkgs}
 %ghc_lib_build
 # End cabal-rpm build
@@ -197,6 +200,9 @@ echo "%{_datadir}/%{ghclibparser}/" >> %{ghclibparser}/ghc-ghc-lib-parser.files
 
 
 %changelog
+* Mon Feb  1 2021 Jens Petersen <petersen@redhat.com> - 2.1.26-2
+- enable armv7hl with -O0 (#1806116)
+
 * Fri Feb 14 2020 Jens Petersen <petersen@redhat.com> - 2.1.26-1
 - update to 2.1.26
 - add ghc-lib-parser: exclude s390x (#1806109) and armv7hl (#1806116)