mk/kernel-vars.mk

   1 # This file is part of the OpenADK project. OpenADK is copyrighted
   2 # material, please see the LICENCE file in the top-level directory.
   3
   4 KERNEL_MAKE_OPTS:=      CC="$(TARGET_CC)"
   5 ifeq ($(ADK_TARGET_BINFMT_FDPIC),y)
   6 KERNEL_MAKE_OPTS:=      CC="$(TARGET_CC) -mno-fdpic"
   7 endif
   8 ifeq ($(ADK_TARGET_ARCH_MICROBLAZE),y)
   9 KERNEL_MAKE_OPTS:=      CC="$(TARGET_CC) -fno-tree-loop-distribute-patterns"
  10 endif
  11
  12 KERNEL_MAKE_OPTS+=      V=1 \
  13                         ARCH="$(ADK_TARGET_KARCH)" \
  14                         CROSS_COMPILE="$(TARGET_CROSS)" \
  15                         HOSTCC="${HOST_CC}" \
  16                         HOSTCXX="${HOST_CXX}" \
  17                         SHELL='${SHELL}' \
  18                         CONFIG_SHELL='${SHELL}'
  19
  20 # regex for relocs needs pcre
  21 ifeq ($(OS_FOR_BUILD),Darwin)
  22 KERNEL_MAKE_OPTS+=      HOSTLDFLAGS='-lpcreposix -Wl,-no_pie'
  23 endif
  24
  25 # non-Linux platforms need elf.h
  26 ifneq ($(OS_FOR_BUILD),Linux)
  27 KERNEL_MAKE_OPTS+=      HOSTCFLAGS='$(HOST_CPPFLAGS) ${HOST_CFLAGS}'
  28 KERNEL_MAKE_OPTS+=      HOST_EXTRACFLAGS='-I${LINUX_DIR}/tools/include -I${LINUX_DIR}/usr/include -I${LINUX_DIR}/security/selinux/include -I${ADK_TOPDIR}/adk/include -I${LINUX_DIR}/scripts/dtc/libfdt -DKBUILD_NO_NLS'
  29 else
  30 KERNEL_MAKE_OPTS+=      HOSTCFLAGS='${HOST_CFLAGS}'
  31 endif
  32
  33 ifneq ($(ADK_TARGET_KERNEL_LOADADDR),)
  34 KERNEL_MAKE_OPTS+=      LOADADDR=$(ADK_TARGET_KERNEL_LOADADDR)
  35 endif
  36
  37 KERNEL_MAKE_ENV:=       PATH="${TOOLCHAIN_DIR}/usr/bin:${STAGING_HOST_DIR}/usr/bin:$$PATH"
  38 LINUX_BUILD_DIR:=       $(BUILD_DIR)/$(ADK_TARGET_OS)-$(ADK_TARGET_ARCH)
  39
  40 # wrapper to simplify calling make in kernel tree
  41 KERNEL_MAKE:=           env $(KERNEL_MAKE_ENV) $(MAKE) -C "${LINUX_DIR}" $(KERNEL_MAKE_OPTS) -j${ADK_MAKE_JOBS}