diff --git a/meson.build b/meson.build
index f8a0e877f..6ed11ef90 100644
--- a/meson.build
+++ b/meson.build
@@ -418,7 +418,10 @@ subdir('libaegisub')
 subdir('packages')
 subdir('po')
 subdir('src')
-subdir('tests')
+
+if not meson.is_cross_build()
+    subdir('tests')
+endif
 
 aegisub_cpp_pch = ['src/include/agi_pre.h']
 aegisub_c_pch = ['src/include/agi_pre_c.h']
diff --git a/subprojects/packagefiles/luajit/meson.build b/subprojects/packagefiles/luajit/meson.build
index 526d1c675..e27a933fe 100644
--- a/subprojects/packagefiles/luajit/meson.build
+++ b/subprojects/packagefiles/luajit/meson.build
@@ -7,19 +7,21 @@ system_deps = [
     cc.find_library('m', required: false)
 ]
 
+# get architecture id for the host machine so it can be set when compiling buildvm natively
+lj_target_id = cc.get_define('LUAJIT_TARGET', prefix: '#include "@0@/src/lj_arch.h"'.format(meson.current_source_dir()))
+add_project_arguments('-DLUAJIT_TARGET=@0@'.format(lj_target_id), language: 'c', native: true)
+
 # compat flag is needed for both the buildvm code generator (compiled natively) and luajit itself
 add_project_arguments('-DLUAJIT_ENABLE_LUA52COMPAT', '-DENDIAN_LE', language: 'c', native: true)
 add_project_arguments('-DLUAJIT_ENABLE_LUA52COMPAT', '-DENDIAN_LE', language: 'c', native: false)
 if host_machine.system() == 'linux'
     add_project_arguments('-DLUAJIT_OS=LUAJIT_OS_LINUX', language: 'c', native: true)
     add_project_arguments('-DLUAJIT_UNWIND_EXTERNAL', language: 'c', native: false)
-    readline_dep = cc.find_library('readline')
     ljvm_mode = 'elfasm'
     ljvm_bout = 'lj_vm.s'
 elif host_machine.system() == 'darwin'
     add_project_arguments('-DLUAJIT_OS=LUAJIT_OS_OSX', language: 'c', native: true)
     add_project_arguments('-DLUAJIT_UNWIND_EXTERNAL', language: 'c', native: false)
-    readline_dep = cc.find_library('readline')
     ljvm_mode = 'machasm'
     ljvm_bout = 'lj_vm.s'
 elif host_machine.system() == 'windows'
@@ -27,11 +29,9 @@ elif host_machine.system() == 'windows'
     if cc.get_id() != 'msvc'
         add_project_arguments('-malign-double', language: 'c', native: true)
     endif
-    readline_dep = []
     ljvm_mode = 'peobj'
     ljvm_bout = 'lj_vm.o'
 else
-    readline_dep = []
     error('Unsupported platform')
 endif