From 4b0b90d3fab5a973e410fd2ee812df856f1eba3b Mon Sep 17 00:00:00 2001
From: Zeyu Dong <dzy201415@gmail.com>
Date: Fri, 29 Sep 2023 20:54:59 -0400
Subject: [PATCH] mac80211: compile kconf with host gcc

Fix the building issue setting CC to KERNEL_CC in kernel.mk. The
kernel backports by default uses CC to compile kconf. A new patch is
added to mac80211 to compile kconf with host gcc.

Signed-off-by: Zeyu Dong <dzy201415@gmail.com>
[ refresh patches ]
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
 .../build/004-fix-kconf-compiling.patch       | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 package/kernel/mac80211/patches/build/004-fix-kconf-compiling.patch

diff --git a/package/kernel/mac80211/patches/build/004-fix-kconf-compiling.patch b/package/kernel/mac80211/patches/build/004-fix-kconf-compiling.patch
new file mode 100644
index 0000000000..8bae8367f7
--- /dev/null
+++ b/package/kernel/mac80211/patches/build/004-fix-kconf-compiling.patch
@@ -0,0 +1,47 @@
+--- a/Makefile.real
++++ b/Makefile.real
+@@ -6,6 +6,18 @@ else
+ export BACKPORTS_GIT_TRACKER_DEF=
+ endif
+ 
++ifneq ($(LLVM),)
++ifneq ($(filter %/,$(LLVM)),)
++LLVM_PREFIX := $(LLVM)
++else ifneq ($(filter -%,$(LLVM)),)
++LLVM_SUFFIX := $(LLVM)
++endif
++
++HOSTCC	= $(LLVM_PREFIX)clang$(LLVM_SUFFIX)
++else
++HOSTCC	= gcc
++endif
++
+ # disable built-in rules for this file
+ .SUFFIXES:
+ 
+@@ -24,21 +36,21 @@ listnewconfig oldaskconfig oldconfig \
+ silentoldconfig olddefconfig oldnoconfig \
+ allnoconfig allyesconfig allmodconfig \
+ alldefconfig randconfig:
+-	@$(MAKE) -C kconf conf
++	@$(MAKE) -C kconf CC=$(HOSTCC) conf
+ 	@./kconf/conf --$@ Kconfig
+ 
+ .PHONY: usedefconfig
+ usedefconfig:
+-	@$(MAKE) -C kconf conf
++	@$(MAKE) -C kconf CC=$(HOSTCC) conf
+ 	@./kconf/conf --defconfig=defconfig Kconfig
+ 
+ .PHONY: savedefconfig
+ savedefconfig:
+-	@$(MAKE) -C kconf conf
++	@$(MAKE) -C kconf CC=$(HOSTCC) conf
+ 	@./kconf/conf --savedefconfig=defconfig Kconfig
+ 
+ defconfig-%::
+-	@$(MAKE) -C kconf conf
++	@$(MAKE) -C kconf CC=$(HOSTCC) conf
+ 	@./kconf/conf --defconfig=defconfigs/$(@:defconfig-%=%) Kconfig
+ 
+ .config:
-- 
2.30.2