From 1ec7eda16743a74b363d3765bca7642935422862 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Torsten=20W=C3=B6rtwein?=
 <twoertwein@users.noreply.github.com>
Date: Tue, 4 Jun 2019 21:12:16 -0400
Subject: [PATCH] Allow TRIM_UNUSED_KSYM when build as a builtin-module
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If ZFS is built with enable_linux_builtin, it seems to be possible
to compile the kernel with TRIM_UNUSED_KSYM.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Torsten Wörtwein <twoertwein@gmail.com>
Closes #8820
---
 config/kernel.m4 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/config/kernel.m4 b/config/kernel.m4
index 2444b68ef..8e89c8014 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -528,10 +528,11 @@ AC_DEFUN([ZFS_AC_KERNEL_CONFIG_TRIM_UNUSED_KSYMS], [
 		AC_MSG_RESULT([yes])
 	],[
 		AC_MSG_RESULT([no])
-		AC_MSG_ERROR([
+		AS_IF([test "x$enable_linux_builtin" != xyes], [
+			AC_MSG_ERROR([
 	*** This kernel has unused symbols trimming enabled, please disable.
 	*** Rebuild the kernel with CONFIG_TRIM_UNUSED_KSYMS=n set.])
-	])
+	])])
 ])
 
 dnl #
-- 
2.40.0