diff --git a/config/BoardConfigKernel.mk b/config/BoardConfigKernel.mk index 4ff4209d..422c13d8 100644 --- a/config/BoardConfigKernel.mk +++ b/config/BoardConfigKernel.mk @@ -69,6 +69,24 @@ KERNEL_PATCHLEVEL := $(shell grep -s "^PATCHLEVEL = " $(TARGET_KERNEL_SOURCE)/Ma TARGET_KERNEL_VERSION ?= $(shell echo $(KERNEL_VERSION)"."$(KERNEL_PATCHLEVEL)) CLANG_PREBUILTS := $(BUILD_TOP)/prebuilts/clang/host/$(HOST_PREBUILT_TAG)/clang-r450784d + +ifneq ($(USE_CCACHE),) + ifneq ($(CCACHE_EXEC),) + # Android 10+ deprecates use of a build ccache. Only system installed ones are now allowed + CCACHE_BIN := $(CCACHE_EXEC) + endif +endif + +# Clear this first to prevent accidental poisoning from env +KERNEL_MAKE_FLAGS := + +# Add back threads, ninja cuts this to $(nproc)/2 +KERNEL_MAKE_FLAGS += -j$(shell prebuilts/tools-lineage/$(HOST_PREBUILT_TAG)/bin/nproc --all) + +TOOLS_PATH_OVERRIDE := \ + LD_LIBRARY_PATH=$(BUILD_TOP)/prebuilts/tools-lineage/$(HOST_PREBUILT_TAG)/lib:$$LD_LIBRARY_PATH \ + PERL5LIB=$(BUILD_TOP)/prebuilts/tools-lineage/common/perl-base + GCC_PREBUILTS := $(BUILD_TOP)/prebuilts/gcc/$(HOST_PREBUILT_TAG) # arm64 toolchain KERNEL_TOOLCHAIN_arm64 := $(GCC_PREBUILTS)/aarch64/aarch64-linux-android-4.9/bin @@ -98,13 +116,6 @@ endif # for tools like `as` KERNEL_TOOLCHAIN_PATH_gcc := $(KERNEL_TOOLCHAIN_$(KERNEL_ARCH)) -ifneq ($(USE_CCACHE),) - ifneq ($(CCACHE_EXEC),) - # Android 10+ deprecates use of a build ccache. Only system installed ones are now allowed - CCACHE_BIN := $(CCACHE_EXEC) - endif -endif - ifneq ($(TARGET_KERNEL_CLANG_COMPILE),false) KERNEL_CROSS_COMPILE := CROSS_COMPILE="$(KERNEL_TOOLCHAIN_PATH)" else @@ -117,12 +128,6 @@ ifeq ($(KERNEL_ARCH),arm64) KERNEL_CROSS_COMPILE += CROSS_COMPILE_COMPAT="$(KERNEL_TOOLCHAIN_arm)/$(KERNEL_TOOLCHAIN_PREFIX_arm)" endif -# Clear this first to prevent accidental poisoning from env -KERNEL_MAKE_FLAGS := - -# Add back threads, ninja cuts this to $(nproc)/2 -KERNEL_MAKE_FLAGS += -j$(shell prebuilts/tools-lineage/$(HOST_PREBUILT_TAG)/bin/nproc --all) - ifeq ($(TARGET_KERNEL_CLANG_COMPILE),false) ifeq ($(KERNEL_ARCH),arm) # Avoid "Unknown symbol _GLOBAL_OFFSET_TABLE_" errors @@ -141,10 +146,6 @@ else KERNEL_MAKE_FLAGS += CPATH="/usr/include:/usr/include/x86_64-linux-gnu" HOSTLDFLAGS="-L/usr/lib/x86_64-linux-gnu -L/usr/lib64 -fuse-ld=lld" endif -TOOLS_PATH_OVERRIDE := \ - LD_LIBRARY_PATH=$(BUILD_TOP)/prebuilts/tools-lineage/$(HOST_PREBUILT_TAG)/lib:$$LD_LIBRARY_PATH \ - PERL5LIB=$(BUILD_TOP)/prebuilts/tools-lineage/common/perl-base - ifeq ($(KERNEL_ARCH),arm64) # Add 32-bit GCC to PATH so that arm-linux-androidkernel-as is available for CONFIG_COMPAT_VDSO TOOLS_PATH_OVERRIDE += PATH=$(BUILD_TOP)/prebuilts/tools-lineage/$(HOST_PREBUILT_TAG)/bin:$(KERNEL_TOOLCHAIN_arm):$$PATH @@ -152,6 +153,16 @@ else TOOLS_PATH_OVERRIDE += PATH=$(BUILD_TOP)/prebuilts/tools-lineage/$(HOST_PREBUILT_TAG)/bin:$$PATH endif +# Set the full path to the clang command and LLVM binutils +KERNEL_MAKE_FLAGS += HOSTCC=$(CLANG_PREBUILTS)/bin/clang +KERNEL_MAKE_FLAGS += HOSTCXX=$(CLANG_PREBUILTS)/bin/clang++ +ifneq ($(TARGET_KERNEL_CLANG_COMPILE), false) + ifneq ($(TARGET_KERNEL_LLVM_BINUTILS), false) + KERNEL_MAKE_FLAGS += LD=$(CLANG_PREBUILTS)/bin/ld.lld + KERNEL_MAKE_FLAGS += AR=$(CLANG_PREBUILTS)/bin/llvm-ar + endif +endif + # Set DTBO image locations so the build system knows to build them ifeq (true,$(filter true, $(TARGET_NEEDS_DTBOIMAGE) $(BOARD_KERNEL_SEPARATED_DTBO))) TARGET_KERNEL_DTBO_PREFIX ?= @@ -169,16 +180,10 @@ TARGET_KERNEL_EXT_MODULES ?= # Set use the full path to the make command KERNEL_MAKE_CMD := $(BUILD_TOP)/prebuilts/build-tools/$(HOST_PREBUILT_TAG)/bin/make -# Set the full path to the clang command -KERNEL_MAKE_FLAGS += HOSTCC=$(CLANG_PREBUILTS)/bin/clang -KERNEL_MAKE_FLAGS += HOSTCXX=$(CLANG_PREBUILTS)/bin/clang++ - # Use LLVM's substitutes for GNU binutils ifneq ($(TARGET_KERNEL_CLANG_COMPILE), false) ifneq ($(TARGET_KERNEL_LLVM_BINUTILS), false) KERNEL_MAKE_FLAGS += LLVM=1 LLVM_IAS=1 - KERNEL_MAKE_FLAGS += LD=$(CLANG_PREBUILTS)/bin/ld.lld - KERNEL_MAKE_FLAGS += AR=$(CLANG_PREBUILTS)/bin/llvm-ar endif endif