From 9758e9e1f1128748952d759e9a741951d4b98f9a Mon Sep 17 00:00:00 2001
From: NickZh <62114203+mrnickzh@users.noreply.github.com>
Date: Thu, 7 May 2026 19:08:28 +0300
Subject: [PATCH 1/3] Update lua.py

---
 tools/ports/contrib/lua.py | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/tools/ports/contrib/lua.py b/tools/ports/contrib/lua.py
index a815a7dffdb3c..314e89fa9f515 100644
--- a/tools/ports/contrib/lua.py
+++ b/tools/ports/contrib/lua.py
@@ -14,7 +14,7 @@
 LICENSE = 'MIT License'
 
 port_name = 'contrib.lua'
-lib_name = 'liblua.a'
+lib_name = 'liblua'
 
 
 def get(ports, settings, shared):
@@ -36,10 +36,15 @@ def create(final):
        ldblib.c liolib.c lmathlib.c loadlib.c loslib.c lstrlib.c ltablib.c lutf8lib.c linit.c
        '''.split()
 
-    ports.build_port(source_path, final, port_name, srcs=srcs)
+    flags=[]
 
-  return [shared.cache.get_lib(lib_name, create, what='port')]
+    if settings.PTHREADS:
+      flags += ['-pthread']
+
+    ports.build_port(source_path, final, port_name, srcs=srcs, flags=flags)
+
+  return [shared.cache.get_lib(lib_name + ('-mt' if settings.PTHREADS else '') + '.a', create, what='port')]
 
 
 def clear(ports, settings, shared):
-  shared.cache.erase_lib(lib_name)
+  shared.cache.erase_lib(lib_name + ('-mt' if settings.PTHREADS else '') + '.a')

From 7a3b8b25e93446a48082233c2154d6301e55b0b7 Mon Sep 17 00:00:00 2001
From: NickZh <62114203+mrnickzh@users.noreply.github.com>
Date: Thu, 7 May 2026 21:21:28 +0300
Subject: [PATCH 2/3] Update lua.py

---
 tools/ports/contrib/lua.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/ports/contrib/lua.py b/tools/ports/contrib/lua.py
index 314e89fa9f515..898f36e7bfa0a 100644
--- a/tools/ports/contrib/lua.py
+++ b/tools/ports/contrib/lua.py
@@ -14,8 +14,10 @@
 LICENSE = 'MIT License'
 
 port_name = 'contrib.lua'
-lib_name = 'liblua'
+variants = {'contrib.lua-mt': {'PTHREADS': 1}}
 
+def get_lib_name(settings):
+  return 'liblua' + ('-mt' if settings.PTHREADS else '') + '.a'
 
 def get(ports, settings, shared):
   # get the port
@@ -43,8 +45,8 @@ def create(final):
 
     ports.build_port(source_path, final, port_name, srcs=srcs, flags=flags)
 
-  return [shared.cache.get_lib(lib_name + ('-mt' if settings.PTHREADS else '') + '.a', create, what='port')]
+  return [shared.cache.get_lib(get_lib_name(settings), create, what='port')]
 
 
 def clear(ports, settings, shared):
-  shared.cache.erase_lib(lib_name + ('-mt' if settings.PTHREADS else '') + '.a')
+  shared.cache.erase_lib(get_lib_name(settings))

From a89ea087ecf653076ae3a62c6c90a1af456ccdb5 Mon Sep 17 00:00:00 2001
From: NickZh <62114203+mrnickzh@users.noreply.github.com>
Date: Thu, 7 May 2026 21:52:54 +0300
Subject: [PATCH 3/3] Update test_other.py

---
 test/test_other.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/test_other.py b/test/test_other.py
index aaf37a772ff95..ccb40d2519607 100644
--- a/test/test_other.py
+++ b/test/test_other.py
@@ -2701,6 +2701,7 @@ def test_external_ports(self):
 ''', stdout)
 
   @requires_network
+  @also_with_pthreads
   def test_port_contrib_lua(self):
     self.do_runf('other/test_port_contrib_lua.c', 'hello world\nHELLO WORLD\nsqrt(16)=4\n', cflags=['--use-port=contrib.lua'])