[Tile-serving] [openstreetmap/osm2pgsql] Added LuaJIT support (#810)

[mmd]

mmd-osm commented on this pull request.



> @@ -0,0 +1,63 @@
+# Locate LuaJIT library
+# This module defines
+#  LUAJIT_FOUND, if false, do not try to link to Lua
+#  LUA_LIBRARIES
+#  LUA_INCLUDE_DIR, where to find lua.h
+#  LUAJIT_VERSION_STRING, the version of Lua found (since CMake 2.8.8)
+
+## Copied from default CMake FindLua51.cmake

I'm not fully convinced that this is really a good idea.

Both lua and luajit are independent packages with their own lifecycle. Once a new lua version arrives, FindLua.cmake can be simply replaced by a new stock version (I think Lua projects provides their own FindLua.cmake, but I don't know if this is used here).

Although they partially look similar, they reference different include files and libraries in different places. I fell merging FindLuaJIT into FindLua might complicate the latter too much.

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