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-rw-r--r--lib/spack/spack/build_systems/lua.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/spack/spack/build_systems/lua.py b/lib/spack/spack/build_systems/lua.py
index 48fa106881..f1c3e43704 100644
--- a/lib/spack/spack/build_systems/lua.py
+++ b/lib/spack/spack/build_systems/lua.py
@@ -20,6 +20,9 @@ class LuaPackage(spack.package_base.PackageBase):
#: system base class
build_system_class = "LuaPackage"
+ #: Legacy buildsystem attribute used to deserialize and install old specs
+ legacy_buildsystem = "lua"
+
list_depth = 1 # LuaRocks requires at least one level of spidering to find versions
build_system("lua")