3 files changed, 49 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/irep/package.py b/var/spack/repos/builtin/packages/irep/package.py
new file mode 100644
index 0000000000..3658dae19b
--- /dev/null
+++ b/var/spack/repos/builtin/packages/irep/package.py
@@ -0,0 +1,18 @@
+# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+class Irep(CMakePackage):
+    """IREP is a tool that enables mixed-language simulation codes to use a
+    common, Lua-based format for their input decks. Essentially, the input
+    format is a set of tables -- Lua's one (and only?) data structure."""
+
+    homepage = "https://irep.readthedocs.io/"
+    url      = "https://github.com/LLNL/irep/archive/refs/tags/v1.0.0.tar.gz"
+
+    maintainers = ['tomstitt', 'kennyweiss']
+
+    version('1.0.0', 'b84203ac92de824dbdc672de45cfdb9609373791c4ee84a5201fa6e4ccecc1a4')
+
+    depends_on('lua-lang')
diff --git a/var/spack/repos/builtin/packages/lua-luajit/package.py b/var/spack/repos/builtin/packages/lua-luajit/package.py
index d5a44325cc..3e791e6683 100644
--- a/var/spack/repos/builtin/packages/lua-luajit/package.py
+++ b/var/spack/repos/builtin/packages/lua-luajit/package.py
@@ -3,6 +3,7 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
+import glob
 import os
 from spack import *
 
@@ -18,6 +19,34 @@ class LuaLuajit(MakefilePackage):
 
     conflicts('@:2.0.5', when='target=aarch64:')
 
+    variant('lualinks', default=False, description="add symlinks to make lua-luajit a drop-in lua replacement")
+
+    provides("lua-lang", when="+lualinks")
+
+    @run_after("install")
+    def install_links(self):
+        if not self.spec.satisfies("+lualinks"):
+            return
+
+        with working_dir(self.prefix.bin):
+            luajit = os.readlink(self.prefix.bin.luajit)
+            symlink(luajit, "lua")
+
+        with working_dir(self.prefix.include):
+            luajit_include_subdirs = glob.glob(
+                os.path.join(self.prefix.include, "luajit*"))
+            assert len(luajit_include_subdirs) == 1
+            symlink(luajit_include_subdirs[0], "lua")
+
+        with working_dir(self.prefix.lib):
+            luajit_libnames = glob.glob(
+                os.path.join(self.prefix.lib, "libluajit*.so*"))
+            real_lib = next(
+                lib for lib in luajit_libnames
+                if os.path.isfile(lib) and not os.path.islink(lib)
+            )
+            symlink(real_lib, "liblua.so")
+
     @property
     def headers(self):
         hdrs = find_headers('luajit', self.prefix.include, recursive=True)
diff --git a/var/spack/repos/builtin/packages/lua/package.py b/var/spack/repos/builtin/packages/lua/package.py
index db80713789..93d8d15649 100644
--- a/var/spack/repos/builtin/packages/lua/package.py
+++ b/var/spack/repos/builtin/packages/lua/package.py
@@ -34,6 +34,8 @@ class Lua(Package):
 
     extendable = True
 
+    provides('lua-lang')
+
     depends_on('ncurses+termlib')
     depends_on('readline')
     # luarocks needs unzip for some packages (e.g. lua-luaposix)