kernel: fixup KARCH for powerpc64 builds

[openwrt/openwrt.git] / include / kernel.mk

diff --git a/include/kernel.mk b/include/kernel.mk
index 9c01d5f2c8a211ed5a15a7d71d19ee112754f357..a84c755a06dda8fa56c780b6de357b8c8af0c883 100644 (file)
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -10,6 +10,12 @@ CHECK:=1
 DUMP:=1
 endif
 
+ifneq ($(SOURCE_DATE_EPOCH),)
+  ifndef DUMP
+    KBUILD_BUILD_TIMESTAMP:=$(shell perl -e 'print scalar gmtime($(SOURCE_DATE_EPOCH))')
+  endif
+endif
+
 ifeq ($(__target_inc),)
   ifndef CHECK
     include $(INCLUDE_DIR)/target.mk
@@ -79,6 +85,8 @@ else ifneq (,$(findstring $(ARCH) , armeb ))
   LINUX_KARCH := arm
 else ifneq (,$(findstring $(ARCH) , mipsel mips64 mips64el ))
   LINUX_KARCH := mips
+else ifneq (,$(findstring $(ARCH) , powerpc64 ))
+  LINUX_KARCH := powerpc
 else ifneq (,$(findstring $(ARCH) , sh2 sh3 sh4 ))
   LINUX_KARCH := sh
 else ifneq (,$(findstring $(ARCH) , i386 x86_64 ))
@@ -87,6 +95,34 @@ 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)) \
+       cmd_syscalls=
+
+ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
+  KERNEL_MAKE_FLAGS += \
+       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:=