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-rw-r--r--pkgs/development/compilers/ghc/8.2.2.nix26
1 files changed, 17 insertions, 9 deletions
diff --git a/pkgs/development/compilers/ghc/8.2.2.nix b/pkgs/development/compilers/ghc/8.2.2.nix
index 6acf3f10ff49..87de0fd53f62 100644
--- a/pkgs/development/compilers/ghc/8.2.2.nix
+++ b/pkgs/development/compilers/ghc/8.2.2.nix
@@ -23,10 +23,11 @@
 
 , # Whether to build dynamic libs for the standard library (on the target
   # platform). Static libs are always built.
-  enableShared ?
-    !(targetPlatform.isDarwin
-      # On iOS, dynamic linking is not supported
-      && (targetPlatform.isAarch64 || targetPlatform.isAarch32))
+  enableShared ? true
+
+, # What flavour to build. An empty string indicates no
+  # specific flavour and falls back to ghc default values.
+  ghcFlavour ? stdenv.lib.optionalString (targetPlatform != hostPlatform) "perf-cross"
 , # Whether to backport https://phabricator.haskell.org/D4388 for
   # deterministic profiling symbol names, at the cost of a slightly
   # non-standard GHC API
@@ -44,11 +45,14 @@ let
     "${targetPlatform.config}-";
 
   buildMK = ''
+    BuildFlavour = ${ghcFlavour}
+    ifneq \"\$(BuildFlavour)\" \"\"
+    include mk/flavours/\$(BuildFlavour).mk
+    endif
     DYNAMIC_GHC_PROGRAMS = ${if enableShared then "YES" else "NO"}
   '' + stdenv.lib.optionalString enableIntegerSimple ''
     INTEGER_LIBRARY = integer-simple
   '' + stdenv.lib.optionalString (targetPlatform != hostPlatform) ''
-    BuildFlavour = perf-cross
     Stage1Only = YES
     HADDOCK_DOCS = NO
     BUILD_SPHINX_HTML = NO
@@ -151,7 +155,10 @@ stdenv.mkDerivation rec {
   # Make sure we never relax`$PATH` and hooks support for compatability.
   strictDeps = true;
 
-  nativeBuildInputs = [ alex autoconf autoreconfHook automake ghc happy hscolour perl python3 sphinx ];
+  nativeBuildInputs = [
+    autoconf autoreconfHook automake perl python3 sphinx
+    ghc alex happy hscolour
+  ];
 
   # For building runtime libs
   depsBuildTarget = toolsForTarget;
@@ -173,10 +180,11 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
-  # zsh and other shells are smart about `{ghc}` but bash isn't, and doesn't
-  # treat that as a unary `{x,y,z,..}` repetition.
   postInstall = ''
-    paxmark m $out/lib/${name}/bin/${if targetPlatform != hostPlatform then "ghc" else "{ghc,haddock}"}
+    for bin in "$out"/lib/${name}/bin/*; do
+      isELF "$bin" || continue
+      paxmark m "$bin"
+    done
 
     # Install the bash completion file.
     install -D -m 444 utils/completion/ghc.bash $out/share/bash-completion/completions/${targetPrefix}ghc