nvom 0.12.3 gets confused about which Lua to use during the build. In
particular, it reaches for lua51, rather than luajit (which is what it
actually wants).


--- src/nvim/CMakeLists.txt.orig	2026-06-12 10:04:12 UTC
+++ src/nvim/CMakeLists.txt
@@ -641,7 +641,7 @@ add_custom_command(
 
 add_custom_command(
   OUTPUT ${VIM_MODULE_FILE}
-  COMMAND ${LUA_PRG} ${CHAR_BLOB_GENERATOR} ${LUA_BLOB_COMPILE_FLAG} ${VIM_MODULE_FILE}
+  COMMAND ${LUA_GEN_PRG} ${CHAR_BLOB_GENERATOR} ${LUA_BLOB_COMPILE_FLAG} ${VIM_MODULE_FILE}
       # NB: vim._init_packages and vim.inspect must be be first and second ones
       # respectively, otherwise --luamod-dev won't work properly.
       ${LUA_INIT_PACKAGES_MODULE_SOURCE} "vim._init_packages"