From 51dbeb20ebfa9f9d1e1a65eaa8251d712b21c9ba Mon Sep 17 00:00:00 2001
From: Enji Cooper <ngie@FreeBSD.org>
Date: Wed, 1 Jan 2025 00:42:00 -0800
Subject: [PATCH] m4/lua.m4: make detection work again with pkgconf

It seems that `break` isn't allowed in else blocks with m4 macros.
Change the logic to flow in a manner that works with the
`PKG_CHECK_MODULES` macro.

This unbreaks the build on FreeBSD with ports.

Fixes:	02a2b33f7beff0a014e2373454239e3bebf2d7b5
Signed-off-by: Enji Cooper <ngie@FreeBSD.org>
---
 m4/lua.m4 | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/m4/lua.m4 b/m4/lua.m4
index 2cd0d2d..3f1aed0 100644
--- a/m4/lua.m4
+++ b/m4/lua.m4
@@ -34,18 +34,16 @@ dnl
 AC_DEFUN([KYUA_LUA], [
     lua_found=no
     for lua_release in ${LUA_VERSION:-5.4 5.3}; do
-        AS_IF([test "${lua_found}" = no],[
-            PKG_CHECK_MODULES([LUA], [lua${lua_release} >= ${lua_release}],
-                              [lua_found="lua${lua_release}"; break],[])
-        ])
-        AS_IF([test "${lua_found}" = no],[
-            PKG_CHECK_MODULES([LUA], [lua-${lua_release} >= ${lua_release}],
-                              [lua_found="lua-${lua_release}"; break],[])
-        ])
-        AS_IF([test "${lua_found}" = no],[
-            PKG_CHECK_MODULES([LUA], [lua >= ${lua_release}],
-                              [lua_found=lua; break],[])
-        ])
+        PKG_CHECK_MODULES([LUA], [lua-${lua_release} >= ${lua_release}],
+            [lua_found="lua-${lua_release}"],[
+        PKG_CHECK_MODULES([LUA], [lua${lua_release} >= ${lua_release}],
+            [lua_found="lua${lua_release}"],[
+        PKG_CHECK_MODULES([LUA], [lua >= ${lua_release}],
+            [lua_found="lua"],[])
+        ])])
+        if test "${lua_found}" != no; then
+            break
+        fi
     done
 
     AS_IF([test "${lua_found}" = no],[],[