fix build on epel7 ghc

cabal-rpm-0.12-Stackage-fmap.patch

@@ -0,0 +1,21 @@
+commit 0ea6b9747cd226f4eccb926fcbb170b0a7b8dfa6
+Author: Jens Petersen <petersen@redhat.com>
+Date:   Wed Feb 21 18:59:11 2018 +0900
+
+    Stackage: import <$> for older ghc
+
+diff --git a/src/Stackage.hs b/src/Stackage.hs
+index b20d976..2da3f73 100644
+--- a/src/Stackage.hs
++++ b/src/Stackage.hs
+@@ -32,6 +32,10 @@ import Network.HTTP.Client.TLS
+ import System.FilePath
+ import SysCmd ((+-+))
+ #else
++#if (defined(MIN_VERSION_base) && MIN_VERSION_base(4,8,2))
++#else
++import Control.Applicative ((<$>))
++#endif
+ import SysCmd ((+-+), cmdMaybe, optionalProgram)
+ #endif
+ 

cabal-rpm.spec

@@ -9,13 +9,14 @@
 
 Name:           cabal-rpm
 Version:        0.12.1
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        RPM packaging tool for Haskell Cabal-based packages
 
 License:        GPLv3+
 Url:            https://hackage.haskell.org/package/%{name}
 Source0:        https://hackage.haskell.org/package/%{name}-%{version}/%{name}-%{version}.tar.gz
 Source1:        cblrpm.1
+Patch0:         cabal-rpm-0.12-Stackage-fmap.patch
 
 BuildRequires:  ghc-Cabal-devel
 BuildRequires:  ghc-rpm-macros
@@ -66,6 +67,7 @@ current cabal-rpm packaging.
 
 %prep
 %setup -q
+%patch0 -p1 -b .orig
 
 
 %build
@@ -90,6 +92,9 @@ ln -s %{name} %{buildroot}%{_bindir}/cblrpm
 
 
 %changelog
+* Wed Feb 21 2018 Jens Petersen <petersen@redhat.com> - 0.12.1-4
+- fix build on epel7 ghc
+
 * Wed Feb 21 2018 Jens Petersen <petersen@redhat.com> - 0.12.1-3
 - add bcond for https