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gcc 10 support #13

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571c1e1
kernel: remove x86 target support
arter97 Jan 6, 2020
0226d64
kernel: allow devices to use newer GCC
arter97 Jan 6, 2020
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30 changes: 19 additions & 11 deletions config/BoardConfigKernel.mk
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Original file line number Diff line number Diff line change
Expand Up @@ -25,9 +25,9 @@
# TARGET_KERNEL_CROSS_COMPILE_PREFIX = Compiler prefix (e.g. arm-eabi-)
# defaults to arm-linux-androidkernel- for arm
# aarch64-linux-android- for arm64
# x86_64-linux-android- for x86
#
# TARGET_KERNEL_CLANG_COMPILE = Compile kernel with clang, defaults to false
# TARGET_KERNEL_NEW_GCC_COMPILE = Compile kernel with newer version GCC, defaults to false
#
# KERNEL_TOOLCHAIN_PREFIX = Overrides TARGET_KERNEL_CROSS_COMPILE_PREFIX,
# Set this var in shell to override
Expand Down Expand Up @@ -55,16 +55,24 @@ endif
TARGET_KERNEL_HEADERS ?= $(TARGET_KERNEL_SOURCE)

GCC_PREBUILTS := $(BUILD_TOP)/prebuilts/gcc/$(HOST_OS)-x86
# arm64 toolchain
KERNEL_TOOLCHAIN_arm64 := $(GCC_PREBUILTS)/aarch64/aarch64-linux-android-4.9/bin
KERNEL_TOOLCHAIN_PREFIX_arm64 := aarch64-linux-android-
# arm toolchain
KERNEL_TOOLCHAIN_arm := $(GCC_PREBUILTS)/arm/arm-linux-androideabi-4.9/bin
KERNEL_TOOLCHAIN_PREFIX_arm := arm-linux-androidkernel-
# x86 toolchain
KERNEL_TOOLCHAIN_x86 := $(GCC_PREBUILTS)/x86/x86_64-linux-android-4.9/bin
KERNEL_TOOLCHAIN_PREFIX_x86 := x86_64-linux-android-

ifeq ($(TARGET_KERNEL_NEW_GCC_COMPILE),true)
ifeq ($(TARGET_KERNEL_CLANG_COMPILE),true)
$(error TARGET_KERNEL_NEW_GCC_COMPILE cannot be used with TARGET_KERNEL_CLANG_COMPILE!)
endif
# arm64 toolchain
KERNEL_TOOLCHAIN_arm64 := $(GCC_PREBUILTS)/aarch64/aarch64-elf/bin
KERNEL_TOOLCHAIN_PREFIX_arm64 := aarch64-elf-
# arm toolchain
KERNEL_TOOLCHAIN_arm := $(GCC_PREBUILTS)/arm/arm-eabi/bin
KERNEL_TOOLCHAIN_PREFIX_arm := arm-eabi-
else
# arm64 toolchain
KERNEL_TOOLCHAIN_arm64 := $(GCC_PREBUILTS)/aarch64/aarch64-linux-android-4.9/bin
KERNEL_TOOLCHAIN_PREFIX_arm64 := aarch64-linux-android-
# arm toolchain
KERNEL_TOOLCHAIN_arm := $(GCC_PREBUILTS)/arm/arm-linux-androideabi-4.9/bin
KERNEL_TOOLCHAIN_PREFIX_arm := arm-linux-androidkernel-
endif
TARGET_KERNEL_CROSS_COMPILE_PREFIX := $(strip $(TARGET_KERNEL_CROSS_COMPILE_PREFIX))
ifneq ($(TARGET_KERNEL_CROSS_COMPILE_PREFIX),)
KERNEL_TOOLCHAIN_PREFIX ?= $(TARGET_KERNEL_CROSS_COMPILE_PREFIX)
Expand Down