0001-cabal.exlib-fix-excablaconf-for-Cabal-1.22.5.0.patch

From ce93cd00f23d35f70a7bc2bae73153db2a627e5e Mon Sep 17 00:00:00 2001
From: Julian Ospald <hasufell@posteo.de>
Date: Mon, 30 May 2016 19:22:23 +0200
Subject: [PATCH] cabal.exlib: fix excablaconf for Cabal-1.22.5.0

Change-Id: Ie6e83d89bb33f27df64732cb32fc097d5be38f24
---
 exlibs/cabal.exlib | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/exlibs/cabal.exlib b/exlibs/cabal.exlib
index f7c1dd4..1f09a2b 100644
--- a/exlibs/cabal.exlib
+++ b/exlibs/cabal.exlib
@@ -57,6 +57,11 @@ excabalconf() {
     local profile=
     exparam -b has_lib && exparam -b has_profile && profile=$(option_enable profile library-profiling)
     local tests=$(expecting_tests --enable-tests --disable-tests)
+
+    local additional_flags=()
+    if runhaskell Setup configure --help | grep -q -- --allow-newer ; then
+        additional_flags+=( --allow-newer )
+    fi
     # set --with-compiler explicitly so the (un)registration scripts use the right ghc-pkg
     exrunhaskell Setup configure \
         --prefix=/usr/$(exhost --target) \
@@ -72,11 +77,11 @@ excabalconf() {
         --with-strip=$(exhost --target)-strip \
         --enable-shared \
         --disable-executable-stripping \
-        --allow-newer \
         --global \
         --verbose \
         ${profile} \
         ${tests} \
+        ${additional_flags} \
         "${@}"
 }
 
-- 
2.8.3