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-rw-r--r--pkgs/development/compilers/ghc/8.2.2.nix13
1 files changed, 8 insertions, 5 deletions
diff --git a/pkgs/development/compilers/ghc/8.2.2.nix b/pkgs/development/compilers/ghc/8.2.2.nix
index 0e87ea68649ed..6eeff74160b4a 100644
--- a/pkgs/development/compilers/ghc/8.2.2.nix
+++ b/pkgs/development/compilers/ghc/8.2.2.nix
@@ -22,6 +22,12 @@ let
   targetPrefix = stdenv.lib.optionalString
     (targetPlatform != hostPlatform)
     "${targetPlatform.config}-";
+
+  buildMK = stdenv.lib.optionalString enableIntegerSimple ''
+    INTEGER_LIBRARY = integer-simple
+  '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
+    BuildFlavour = perf-cross
+  '';
 in
 stdenv.mkDerivation (rec {
   version = "8.2.2";
@@ -35,15 +41,12 @@ stdenv.mkDerivation (rec {
   postPatch = "patchShebangs .";
 
   preConfigure = ''
+    echo "${buildMK}" > mk/build.mk
     sed -i -e 's|-isysroot /Developer/SDKs/MacOSX10.5.sdk||' configure
   '' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
-    export NIX_LDFLAGS="$NIX_LDFLAGS -rpath $out/lib/ghc-${version}"
+    export NIX_LDFLAGS+=" -rpath $out/lib/ghc-${version}"
   '' + stdenv.lib.optionalString stdenv.isDarwin ''
     export NIX_LDFLAGS+=" -no_dtrace_dof"
-  '' + stdenv.lib.optionalString enableIntegerSimple ''
-    echo "INTEGER_LIBRARY=integer-simple" > mk/build.mk
-  '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    sed 's|#BuildFlavour  = quick-cross|BuildFlavour  = perf-cross|' mk/build.mk.sample > mk/build.mk
   '';
 
   buildInputs = [ alex autoconf automake ghc happy hscolour perl python3 sphinx ] ++ stdenv.lib.optionals (targetPlatform.isArm || targetPlatform.isAarch64) [ llvm_39 ];