kernel: Make use of KERNEL_MAKE

Make use of KERNEL_MAKE in kernel packages were easily possible.
This moves some more code to common places and reduces the number of
lines.

It is defined like this:
KERNEL_MAKE = $(MAKE) $(KERNEL_MAKEOPTS)
KERNEL_MAKEOPTS = -C $(LINUX_DIR) $(KERNEL_MAKE_FLAGS)

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

package/kernel/ath10k-ct/Makefile

@@ -111,8 +111,7 @@ ifneq ($(findstring c,$(OPENWRT_VERBOSE)),)
 endif
 
 define Build/Compile
-	+$(MAKE) $(CT_MAKEDEFS) $(PKG_JOBS) -C "$(LINUX_DIR)" \
-		$(KERNEL_MAKE_FLAGS) \
+	+$(KERNEL_MAKE) $(CT_MAKEDEFS) $(PKG_JOBS) \
 		M="$(PKG_BUILD_DIR)/ath10k$(CT_KVER)" \
 		NOSTDINC_FLAGS="$(NOSTDINC_FLAGS)" \
 		modules

package/kernel/broadcom-wl/Makefile

@@ -99,8 +99,7 @@ define Package/nas/description
  proprietary Broadcom wl driver.
 endef
 
-MAKE_KMOD := $(MAKE) -C "$(LINUX_DIR)" \
-		$(KERNEL_MAKE_FLAGS) \
+MAKE_KMOD := $(KERNEL_MAKE) \
 		PATH="$(TARGET_PATH)" \
 		M="$(PKG_BUILD_DIR)/kmod" \
 

package/kernel/gpio-button-hotplug/Makefile

@@ -32,14 +32,8 @@ define KernelPackage/gpio-button-hotplug/description
  an overkill for OpenWrt simple needs.
 endef
 
-MAKE_OPTS:= \
-	$(KERNEL_MAKE_FLAGS) \
-	M="$(PKG_BUILD_DIR)"
-
 define Build/Compile
-	$(MAKE) -C "$(LINUX_DIR)" \
-		$(MAKE_OPTS) \
-		modules
+	$(KERNEL_MAKE) M="$(PKG_BUILD_DIR)" modules
 endef
 
 $(eval $(call KernelPackage,gpio-button-hotplug))

package/kernel/gpio-nct5104d/Makefile

@@ -36,15 +36,11 @@ EXTRA_CFLAGS:= \
 	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
 	$(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \
 
-MAKE_OPTS:= \
-	$(KERNEL_MAKE_FLAGS) \
-	M="$(PKG_BUILD_DIR)" \
-	EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
-	$(EXTRA_KCONFIG)
-
 define Build/Compile
-	 $(MAKE) -C "$(LINUX_DIR)" \
-		$(MAKE_OPTS) \
+	 $(KERNEL_MAKE) \
+		M="$(PKG_BUILD_DIR)" \
+		EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
+		$(EXTRA_KCONFIG) \
 		modules
 endef
 

package/kernel/hwmon-gsc/Makefile

@@ -19,8 +19,7 @@ define KernelPackage/hwmon-gsc/description
 endef
 
 define Build/Compile
-	$(MAKE) -C "$(LINUX_DIR)" \
-		$(KERNEL_MAKE_FLAGS) \
+	$(KERNEL_MAKE) \
 		M="$(PKG_BUILD_DIR)" \
 		EXTRA_CFLAGS="$(BUILDFLAGS)" \
 		modules

package/kernel/lantiq/ltq-vectoring/Makefile

@@ -51,8 +51,7 @@ define Build/Configure
 endef
 
 define Build/Compile
-	+$(MAKE) $(PKG_JOBS) -C "$(LINUX_DIR)" \
-		$(KERNEL_MAKE_FLAGS) \
+	+$(KERNEL_MAKE) $(PKG_JOBS) \
 		M="$(PKG_BUILD_DIR)/$(MAKE_PATH)" \
 		modules
 endef

package/kernel/mt76/Makefile

@@ -379,8 +379,7 @@ ifdef CONFIG_PACKAGE_kmod-mt7921e
 endif
 
 define Build/Compile
-	+$(MAKE) $(PKG_JOBS) -C "$(LINUX_DIR)" \
-		$(KERNEL_MAKE_FLAGS) \
+	+$(KERNEL_MAKE) $(PKG_JOBS) \
 		$(PKG_MAKE_FLAGS) \
 		M="$(PKG_BUILD_DIR)" \
 		NOSTDINC_FLAGS="$(NOSTDINC_FLAGS)" \

package/kernel/mwlwifi/Makefile

@@ -45,8 +45,7 @@ NOSTDINC_FLAGS := \
 	-Wno-unused-result
 
 define Build/Compile
-	+$(MAKE) $(PKG_JOBS) -C "$(LINUX_DIR)" \
-		$(KERNEL_MAKE_FLAGS) \
+	+$(KERNEL_MAKE) $(PKG_JOBS) \
 		M="$(PKG_BUILD_DIR)" \
 		NOSTDINC_FLAGS="$(NOSTDINC_FLAGS)" \
 		modules

package/kernel/rtc-rv5c386a/Makefile

@@ -22,8 +22,7 @@ define KernelPackage/rtc-rv5c386a
 endef
 
 define Build/Compile
-	$(MAKE) -C "$(LINUX_DIR)" \
-		$(KERNEL_MAKE_FLAGS) \
+	$(KERNEL_MAKE) \
 		M="$(PKG_BUILD_DIR)" \
 		EXTRA_CFLAGS="$(BUILDFLAGS)" \
 		modules

package/kernel/rtl8812au-ct/Makefile

@@ -44,8 +44,7 @@ NOSTDINC_FLAGS := \
 NOSTDINC_FLAGS+=-DCONFIG_IOCTL_CFG80211 -DRTW_USE_CFG80211_STA_EVENT -DBUILD_OPENWRT
 
 define Build/Compile
-	+$(MAKE) $(PKG_JOBS) -C "$(LINUX_DIR)" \
-		$(KERNEL_MAKE_FLAGS) \
+	+$(KERNEL_MAKE) $(PKG_JOBS) \
 		M="$(PKG_BUILD_DIR)" \
 		NOSTDINC_FLAGS="$(NOSTDINC_FLAGS)" \
 		modules