1

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)