From e68754aafe30aff9d2b5d0319f715483f22acdb1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Sat, 23 Mar 2019 21:51:59 +0100
Subject: [PATCH] lua: add detection of Lua 5.3 with autotools

---
 ChangeLog.adoc | 1 +
 configure.ac   | 6 +++---
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/ChangeLog.adoc b/ChangeLog.adoc
index b9adba49b..5ad385f74 100644
--- a/ChangeLog.adoc
+++ b/ChangeLog.adoc
@@ -43,6 +43,7 @@ Bug fixes::
 
 Build::
 
+  * lua: add detection of Lua 5.3 with autotools
   * core: fix compilation on Mac OS (issue #1308)
 
 [[v2.4]]
diff --git a/configure.ac b/configure.ac
index 435929326..722fb3f31 100644
--- a/configure.ac
+++ b/configure.ac
@@ -623,7 +623,7 @@ if test "x$enable_lua" = "xyes" ; then
     if test "x$LUA_CFLAGS" = "x" -o "x$LUA_LFLAGS" = "x" ; then
         AC_MSG_CHECKING(for Lua headers and libraries with pkg-config)
         echo
-        for l in "$lua_suffix" "" "52" "5.2" "51" "5.1" "50" "5.0" ; do
+        for l in "53" "5.3" "52" "5.2" "51" "5.1" "50" "5.0" "$lua_suffix" "" ; do
             pkgconfig_lua_found=`$PKGCONFIG --exists lua$l 2>/dev/null`
             if test "x$?" = "x0" ; then
                 LUA_VERSION=`$PKGCONFIG --modversion lua$l`
@@ -642,7 +642,7 @@ if test "x$enable_lua" = "xyes" ; then
 
     if test "x$LUA_CFLAGS" = "x" -o "x$LUA_LFLAGS" = "x" ; then
         LUACONFIG=""
-        AC_CHECK_PROGS(LUACONFIG, lua-config lua-config52 lua-config5.2 lua-config51 lua-config5.1 lua-config50 lua-config5.0)
+        AC_CHECK_PROGS(LUACONFIG, lua-config53 lua-config5.3 lua-config52 lua-config5.2 lua-config51 lua-config5.1 lua-config50 lua-config5.0 lua-config)
         if test "x$LUACONFIG" != "x" ; then
             AC_MSG_CHECKING(for Lua headers and libraries with lua-config)
             echo
@@ -660,7 +660,7 @@ if test "x$enable_lua" = "xyes" ; then
         if test "x$ac_found_lua_header" = "xyes" -a "x$ac_found_liblua_header" = "xyes"; then
             LUA_CFLAGS="$CFLAGS"
         fi
-        for l in "$lua_suffix" "" "52" "5.2" "51" "5.1" "50" "5.0" ; do
+        for l in "53" "5.3" "52" "5.2" "51" "5.1" "50" "5.0" "$lua_suffix" "" ; do
             AC_CHECK_LIB(lua$l,lua_call,ac_found_lua_lib="yes",ac_found_lua_lib="no")
             if test "x$ac_found_lua_lib" = "xyes" ; then
                 LUA_VERSION=">=5.1.0"