From 8bef8d86441770799ca16c849c1a580d10c46547 Mon Sep 17 00:00:00 2001
From: Evgeny <me@jeka.su>
Date: Sun, 8 Mar 2026 19:38:59 +0300
Subject: [PATCH] 1

---
 src/Makefile.am | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/Makefile.am b/src/Makefile.am
index 40b10d51..93afbd33 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -23,17 +23,31 @@ utun_CORE_SOURCES = \
 	control_server.c
 
 # Platform-specific TUN sources
-utun_TUN_SOURCES = tun_linux.c
-utun_TUN_LIBS =
+# Use AM_CONDITIONAL to select the right source file
 
 if OS_WINDOWS
 utun_TUN_SOURCES = tun_windows.c
 utun_TUN_LIBS = -liphlpapi -lws2_32 -ladvapi32 -lbcrypt -ldbghelp
+AM_CONDITIONAL(TUN_FREEBSD, [false])
+AM_CONDITIONAL(TUN_LINUX, [false])
 endif
 
 if OS_FREEBSD
 utun_TUN_SOURCES = tun_freebsd.c
 utun_TUN_LIBS =
+AM_CONDITIONAL(TUN_FREEBSD, [true])
+AM_CONDITIONAL(TUN_LINUX, [false])
+endif
+
+if OS_WINDOWS
+else
+ if OS_FREEBSD
+ else
+ utun_TUN_SOURCES = tun_linux.c
+ utun_TUN_LIBS =
+ AM_CONDITIONAL(TUN_FREEBSD, [false])
+ AM_CONDITIONAL(TUN_LINUX, [true])
+ endif
 endif
 
 # TinyCrypt sources (only used without OpenSSL)