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-rw-r--r--pkgs/development/ruby-modules/gem-config/default.nix6
1 files changed, 6 insertions, 0 deletions
diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 088bcedf6de..f26e33ca242 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -294,6 +294,12 @@ in
   libv8 = attrs: {
     buildInputs = [ which v8 python ];
     buildFlags = [ "--with-system-v8=true" ];
+    dontBuild = false;
+    postPatch = ''
+      substituteInPlace ext/libv8/extconf.rb \
+        --replace "location = Libv8::Location::Vendor.new" \
+                  "location = Libv8::Location::System.new"
+    '';
   };
 
   execjs = attrs: {