From 4db5917a6d51dfa71d446e1de5e51a5ca089a109 Mon Sep 17 00:00:00 2001
From: Jonas 'Sortie' Termansen <sortie@maxsi.org>
Date: Sat, 2 Nov 2024 14:13:17 +0100
Subject: Warn on unsupported operating systems

---
 configure.ac           | 4 ++++
 m4/check-os-options.m4 | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 51e096b..864a4ad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -159,3 +159,7 @@ AM_CONDITIONAL([ENABLE_LIBTLS_ONLY], [test "x$enable_libtls_only" = xyes])
 AC_REQUIRE_AUX_FILE([tap-driver.sh])
 
 AC_OUTPUT
+
+if test "$HOST_OS" = "unsupported"; then
+       AC_MSG_WARN([unsupported platform: $host_os])
+fi
diff --git a/m4/check-os-options.m4 b/m4/check-os-options.m4
index 1f0b7e4..2ef4293 100644
--- a/m4/check-os-options.m4
+++ b/m4/check-os-options.m4
@@ -132,7 +132,7 @@ char buf[1]; getentropy(buf, 1);
 		AC_SUBST([PLATFORM_LDADD], ['-ldl -lmd -lnsl -lsocket'])
 		;;
 	*)
-		HOST_OS=$host_os
+		HOST_OS=unsupported
 		HOST_ABI=elf
 		;;
 esac
-- 
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