From 31226b034136769723c69679a4a302299fbb9e7b Mon Sep 17 00:00:00 2001
From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Mon, 30 Aug 2021 01:20:30 +0200
Subject: [PATCH] Only look for the port command on MacOS

* configure.ac: Only look for the port command on MacOS (bug#50259).
---
 configure.ac | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index a1deb7b0dde..6d204b61030 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1335,7 +1335,9 @@ if test -n "$BREW"; then
 fi
 
 # Check MacPorts on macOS.
-AC_PATH_PROG(HAVE_MACPORTS, port)
+if test $opsys = darwin; then
+  AC_PATH_PROG(HAVE_MACPORTS, port)
+fi
 
 ## Require makeinfo >= 4.13 (last of the 4.x series) to build the manuals.
 : ${MAKEINFO:=makeinfo}
-- 
2.39.2