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authorFelix Fietkau <nbd@nbd.name>2017-03-16 09:53:30 +0100
committerFelix Fietkau <nbd@nbd.name>2017-06-07 18:31:10 +0200
commit0aed054becb2143952bfb77cb64e23c83ce79dfd (patch)
tree44c15a3fd584809e0aba379b1734ff0a425613b6 /include
parent00639586fd7892de41fa786bb48aaec4ed4b6e6a (diff)
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build: add KERNEL_MAKE and KERNEL_MAKE_FLAGS variables and move to kernel.mk
This allows packages to use kernel make options without the forced -C $(LINUX_DIR). It also makes it more clear that it to be called from kernel module packages directly. Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'include')
-rw-r--r--include/kernel-build.mk4
-rw-r--r--include/kernel-defaults.mk33
-rw-r--r--include/kernel.mk29
3 files changed, 35 insertions, 31 deletions
diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 7d1e23c6ea..e98d801939 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -104,7 +104,7 @@ define BuildKernel
$(KERNEL_BUILD_DIR)/symtab.h: FORCE
rm -f $(KERNEL_BUILD_DIR)/symtab.h
touch $(KERNEL_BUILD_DIR)/symtab.h
- +$(MAKE) $(KERNEL_MAKEOPTS) vmlinux
+ +$(KERNEL_MAKE) vmlinux
find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \
xargs $(TARGET_CROSS)nm | \
awk '$$$$1 == "U" { print $$$$2 } ' | \
@@ -159,7 +159,7 @@ define BuildKernel
rm -f $(LINUX_DIR)/.config.prev
rm -f $(STAMP_CONFIGURED)
$(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config
- $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib -lncurses" $$@
+ $(_SINGLE)$(KERNEL_MAKE) HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib -lncurses" $$@
$(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET)
install: $(LINUX_DIR)/.image
diff --git a/include/kernel-defaults.mk b/include/kernel-defaults.mk
index bca1f1eeee..8a3e2be0eb 100644
--- a/include/kernel-defaults.mk
+++ b/include/kernel-defaults.mk
@@ -11,27 +11,6 @@ ifneq ($(SOURCE_DATE_EPOCH),)
endif
endif
-KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
- HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
- CROSS_COMPILE="$(KERNEL_CROSS)" \
- ARCH="$(LINUX_KARCH)" \
- KBUILD_HAVE_NLS=no \
- KBUILD_BUILD_USER="$(call qstrip,$(CONFIG_KERNEL_BUILD_USER))" \
- KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \
- KBUILD_BUILD_TIMESTAMP="$(KBUILD_BUILD_TIMESTAMP)" \
- KBUILD_BUILD_VERSION="0" \
- HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib" \
- CONFIG_SHELL="$(BASH)" \
- $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
- $(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID)) \
- cmd_syscalls=
-
-
-ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
- KERNEL_MAKEOPTS += \
- KERNELRELEASE=$(LINUX_VERSION)
-endif
-
ifdef CONFIG_STRIP_KERNEL_EXPORTS
KERNEL_MAKEOPTS += \
EXTRA_LDSFLAGS="-I$(KERNEL_BUILD_DIR) -include symtab.h"
@@ -43,10 +22,6 @@ ifneq (,$(KERNEL_CC))
KERNEL_MAKEOPTS += CC="$(KERNEL_CC)"
endif
-ifdef CONFIG_USE_SPARSE
- KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
-endif
-
export HOST_EXTRACFLAGS=-I$(STAGING_DIR_HOST)/include
# defined in quilt.mk
@@ -127,7 +102,7 @@ define Kernel/Configure/Default
cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config; \
cp $(LINUX_DIR)/.config.set $(LINUX_DIR)/.config.prev; \
}
- $(_SINGLE) [ -d $(LINUX_DIR)/user_headers ] || $(MAKE) $(KERNEL_MAKEOPTS) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install
+ $(_SINGLE) [ -d $(LINUX_DIR)/user_headers ] || $(KERNEL_MAKE) INSTALL_HDR_PATH=$(LINUX_DIR)/user_headers headers_install
grep '=[ym]' $(LINUX_DIR)/.config.set | LC_ALL=C sort | mkhash md5 > $(LINUX_DIR)/.vermagic
endef
@@ -137,7 +112,7 @@ endef
define Kernel/CompileModules/Default
rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
- +$(MAKE) $(KERNEL_MAKEOPTS) modules
+ +$(KERNEL_MAKE) modules
endef
OBJCOPY_STRIP = -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id
@@ -161,7 +136,7 @@ endef
define Kernel/CompileImage/Default
rm -f $(TARGET_DIR)/init
- +$(MAKE) $(KERNEL_MAKEOPTS) $(if $(KERNELNAME),$(KERNELNAME),all) modules
+ +$(KERNEL_MAKE) $(if $(KERNELNAME),$(KERNELNAME),all) modules
$(call Kernel/CopyImage)
endef
@@ -170,7 +145,7 @@ define Kernel/CompileImage/Initramfs
$(call Kernel/Configure/Initramfs)
$(CP) $(GENERIC_PLATFORM_DIR)/other-files/init $(TARGET_DIR)/init
rm -rf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/usr/initramfs_data.cpio*
- +$(MAKE) $(KERNEL_MAKEOPTS) $(if $(KERNELNAME),$(KERNELNAME),all) modules
+ +$(KERNEL_MAKE) $(if $(KERNELNAME),$(KERNELNAME),all) modules
$(call Kernel/CopyImage,-initramfs)
endef
else
diff --git a/include/kernel.mk b/include/kernel.mk
index 9c01d5f2c8..effece2869 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -87,6 +87,35 @@ else
LINUX_KARCH := $(ARCH)
endif
+KERNEL_MAKE = $(MAKE) $(KERNEL_MAKEOPTS)
+
+KERNEL_MAKE_FLAGS := \
+ HOSTCFLAGS="$(HOST_CFLAGS) -Wall -Wmissing-prototypes -Wstrict-prototypes" \
+ CROSS_COMPILE="$(KERNEL_CROSS)" \
+ ARCH="$(LINUX_KARCH)" \
+ KBUILD_HAVE_NLS=no \
+ KBUILD_BUILD_USER="$(call qstrip,$(CONFIG_KERNEL_BUILD_USER))" \
+ KBUILD_BUILD_HOST="$(call qstrip,$(CONFIG_KERNEL_BUILD_DOMAIN))" \
+ KBUILD_BUILD_TIMESTAMP="$(KBUILD_BUILD_TIMESTAMP)" \
+ KBUILD_BUILD_VERSION="0" \
+ HOST_LOADLIBES="-L$(STAGING_DIR_HOST)/lib" \
+ CONFIG_SHELL="$(BASH)" \
+ $(if $(findstring c,$(OPENWRT_VERBOSE)),V=1,V='') \
+ $(if $(PKG_BUILD_ID),LDFLAGS_MODULE=--build-id=0x$(PKG_BUILD_ID)) \
+ KERNELRELEASE=$(LINUX_VERSION) \
+ cmd_syscalls=
+
+ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
+ KERNEL_MAKEOPTS += \
+ KERNELRELEASE=$(LINUX_VERSION)
+endif
+
+KERNEL_MAKEOPTS := -C $(LINUX_DIR) $(KERNEL_MAKE_FLAGS)
+
+ifdef CONFIG_USE_SPARSE
+ KERNEL_MAKEOPTS += C=1 CHECK=$(STAGING_DIR_HOST)/bin/sparse
+endif
+
define KernelPackage/Defaults
FILES:=
AUTOLOAD:=