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-rw-r--r--pkgs/development/python-modules/Theano/default.nix6
1 files changed, 5 insertions, 1 deletions
diff --git a/pkgs/development/python-modules/Theano/default.nix b/pkgs/development/python-modules/Theano/default.nix
index 554eaf97791..67600a6e5fd 100644
--- a/pkgs/development/python-modules/Theano/default.nix
+++ b/pkgs/development/python-modules/Theano/default.nix
@@ -35,7 +35,11 @@ let
     '';
 
   # Theano spews warnings and disabled flags if the compiler isn't named g++
-  cxx_compiler = wrapped "g++" "\\$HOME/.theano"
+  cxx_compiler_name =
+    if stdenv.cc.isGNU then "g++" else
+    if stdenv.cc.isClang then "clang++" else
+    throw "Unknown C++ compiler";
+  cxx_compiler = wrapped cxx_compiler_name "\\$HOME/.theano"
     (    stdenv.lib.optional cudaSupport libgpuarray_
       ++ stdenv.lib.optional cudnnSupport cudnn );