build: only test for libnl on Linux

diff --git a/m4/libnl3.m4 b/m4/libnl3.m4
index efe6e07b97333e608559f41e1e8dfe128f9e5088..0e31f88a35c96e63a44463d6452c11f368593c3c 100644 (file)
--- a/m4/libnl3.m4
+++ b/m4/libnl3.m4
@@ -3,7 +3,8 @@
 #
 
 AC_DEFUN([lldp_CHECK_LIBNL], [
-  # Do we require embedded libnl?
+ # Do we require embedded libnl?
+ if test x"$os" = x"Linux"; then
   AC_ARG_WITH([embedded-libnl],
     AS_HELP_STRING(
       [--with-embedded-libnl],
@@ -38,9 +39,10 @@ AC_DEFUN([lldp_CHECK_LIBNL], [
   libnl_configure_args="$libnl_configure_args --with-pic"
   libnl_configure_args="$libnl_configure_args --enable-static"
   lldp_CONFIG_SUBDIRS([libnl], [$libnl_configure_args])
+ fi
 
-  AM_CONDITIONAL([LIBNL_EMBEDDED], [test x"$LIBNL_EMBEDDED" != x])
-  AC_SUBST([LIBNL_LIBS])
-  AC_SUBST([LIBNL_CFLAGS])
-  AC_SUBST([LIBNL_LDFLAGS])
+ AM_CONDITIONAL([LIBNL_EMBEDDED], [test x"$LIBNL_EMBEDDED" != x])
+ AC_SUBST([LIBNL_LIBS])
+ AC_SUBST([LIBNL_CFLAGS])
+ AC_SUBST([LIBNL_LDFLAGS])
 ])