Index: meson.build
--- meson.build.orig
+++ meson.build
@@ -1135,7 +1135,7 @@ endif
 
 ## Lua
 
-lua = find_program('luajit', required: get_option('lua'))
+lua = find_program('luajit${LUAJIT_V}', required: get_option('lua'))
 have_lua = get_option('lua').enabled() or (lua.found() and get_option('lua').auto())
 if not lua.found() and have_lua
   lua_warning = '''
@@ -1483,6 +1483,7 @@ conf.set('NO_FD_SET',
   not platform_windows
   and not cc.compiles('''
     #include <sys/types.h>
+    #include <sys/select.h>
     int main() { fd_set readMask, writeMask; return 0; }
   ''')
 )