From: Zxl hhyccc <zxlhhy@gmail.com>
Date: Fri, 4 Oct 2024 14:31:25 +0000 (+0800)
Subject: kernel-build.mk: Fix multi-core build warning.
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7ada5ab1c98a4b8902000e28c1ffa5ca2e6959c4;p=openwrt%2Fopenwrt.git

kernel-build.mk: Fix multi-core build warning.

In the case of multi-core compilation, the warning prompts to add a "+" sign.
````
warning: jobserver unavailable: using -j1. Add `+' to parent make rule.
`````
Signed-off-by: Zxl hhyccc <zxlhhy@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16598
Signed-off-by: Robert Marko <robimarko@gmail.com>
---

diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 48e00fa4c6..404c318d41 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -154,7 +154,7 @@ define BuildKernel
   download: $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE))
   prepare: $(STAMP_PREPARED)
   compile: $(LINUX_DIR)/.modules
-	$(MAKE) -C image compile TARGET_BUILD=
+	+$(MAKE) -C image compile TARGET_BUILD=
 
   dtb: $(STAMP_CONFIGURED)
 	$(_SINGLE)$(KERNEL_MAKE) scripts_dtc