gentoo-overlay/mail-filter/opendkim/files/opendkim-2.10.3-lua-pkgconfig-pt2.patch

From 6dcab8d2e001bb4b91314693affa65e9c1a9adbd Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Tue, 22 Dec 2020 19:36:28 -0500
Subject: [PATCH 1/2] configure.ac: drop lua5.1 pkg-config check.

The official upstream name for the lua pkg-config file is "lua.pc", so
preferring the name "lua5.1.pc" to the official one can lead to
problems when both are installed. Specifically, if lua-5.2 is
installed and its pkg-config file is called "lua.pc", then ./configure
will still detect (and use!) lua-5.1 if it happens to be installed
with just the right name.

This was honestly left in only for superstitious reasons, and now it's
actually causing problems on Gentoo systems that have more than one
version of Lua installed. So, time to go.

Closes: https://github.com/trusteddomainproject/OpenDKIM/issues/111
---
 configure.ac | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/configure.ac b/configure.ac
index 828fe53f..d3d688ec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1517,20 +1517,10 @@ lua_found="no"
 
 if test \(  x"$luapath" = x"auto" -o x"$luapath" = x"yes" \) -a x"$PKG_CONFIG" != x""
 then
-  PKG_CHECK_MODULES([LIBLUA], [lua5.1], [
+  PKG_CHECK_MODULES([LIBLUA], [lua], [
       LIBLUA_INCDIRS="$LIBLUA_CFLAGS"
       lua_found="yes"
-    ],
-    [
-      AC_MSG_WARN([pkg-config for lua5.1 not found, trying lua...])
-      PKG_CHECK_MODULES([LIBLUA], [lua], [
-          LIBLUA_INCDIRS="$LIBLUA_CFLAGS"
-          lua_found="yes"
-        ],
-	[AC_MSG_WARN([pkg-config for lua not found, trying manual search...])]
-      )
-    ]
-  )
+    ])
 fi
 
 if test \( x"$luapath" = x"yes" -o x"$luapath" = x"auto" \) -a x"$lua_found" = x"no"
-- 
2.26.2