| # Copyright (C) 2009 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| # this file is used to prepare the NDK to build with the arm clang-3.2 |
| # toolchain any number of source files |
| # |
| # its purpose is to define (or re-define) templates used to build |
| # various sources into target object files, libraries or executables. |
| # |
| # Note that this file may end up being parsed several times in future |
| # revisions of the NDK. |
| # |
| |
| # |
| # Override the toolchain prefix |
| # |
| |
| LLVM_VERSION := 3.2 |
| LLVM_NAME := llvm-$(LLVM_VERSION) |
| LLVM_TOOLCHAIN_ROOT := $(NDK_ROOT)/toolchains/$(LLVM_NAME) |
| LLVM_TOOLCHAIN_PREBUILT_ROOT := $(call host-prebuilt-tag,$(LLVM_TOOLCHAIN_ROOT)) |
| LLVM_TOOLCHAIN_PREFIX := $(LLVM_TOOLCHAIN_PREBUILT_ROOT)/bin/ |
| |
| TOOLCHAIN_VERSION := 4.6 |
| TOOLCHAIN_NAME := arm-linux-androideabi-$(TOOLCHAIN_VERSION) |
| TOOLCHAIN_ROOT := $(NDK_ROOT)/toolchains/$(TOOLCHAIN_NAME) |
| TOOLCHAIN_PREBUILT_ROOT := $(call host-prebuilt-tag,$(TOOLCHAIN_ROOT)) |
| TOOLCHAIN_PREFIX := $(TOOLCHAIN_PREBUILT_ROOT)/bin/arm-linux-androideabi- |
| |
| TARGET_CC := $(LLVM_TOOLCHAIN_PREFIX)clang$(HOST_EXEEXT) |
| TARGET_CXX := $(LLVM_TOOLCHAIN_PREFIX)clang++$(HOST_EXEEXT) |
| |
| # |
| # CFLAGS and LDFLAGS |
| # |
| |
| TARGET_CFLAGS := \ |
| -gcc-toolchain $(call host-path,$(TOOLCHAIN_PREBUILT_ROOT)) \ |
| -fpic \ |
| -ffunction-sections \ |
| -funwind-tables \ |
| -fstack-protector \ |
| -no-canonical-prefixes |
| |
| TARGET_LDFLAGS := \ |
| -gcc-toolchain $(call host-path,$(TOOLCHAIN_PREBUILT_ROOT)) \ |
| -no-canonical-prefixes |
| |
| TARGET_C_INCLUDES := \ |
| $(SYSROOT_INC)/usr/include |
| |
| ifneq ($(filter %armeabi-v7a,$(TARGET_ARCH_ABI)),) |
| LLVM_TRIPLE := armv7-none-linux-androideabi |
| |
| TARGET_CFLAGS += -target $(LLVM_TRIPLE) \ |
| -march=armv7-a \ |
| -mfloat-abi=softfp \ |
| -mfpu=vfpv3-d16 |
| |
| TARGET_LDFLAGS += -target $(LLVM_TRIPLE) \ |
| -Wl,--fix-cortex-a8 |
| else |
| LLVM_TRIPLE := armv5te-none-linux-androideabi |
| |
| TARGET_CFLAGS += -target $(LLVM_TRIPLE) \ |
| -march=armv5te \ |
| -mtune=xscale \ |
| -msoft-float |
| |
| TARGET_LDFLAGS += -target $(LLVM_TRIPLE) |
| endif |
| |
| TARGET_CFLAGS.neon := -mfpu=neon |
| |
| TARGET_arm_release_CFLAGS := -O2 \ |
| -g \ |
| -DNDEBUG \ |
| -fomit-frame-pointer \ |
| -fstrict-aliasing |
| |
| TARGET_thumb_release_CFLAGS := -mthumb \ |
| -Os \ |
| -g \ |
| -DNDEBUG \ |
| -fomit-frame-pointer \ |
| -fno-strict-aliasing |
| |
| # When building for debug, compile everything as arm. |
| TARGET_arm_debug_CFLAGS := $(TARGET_arm_release_CFLAGS) \ |
| -O0 \ |
| -UNDEBUG \ |
| -fno-omit-frame-pointer \ |
| -fno-strict-aliasing |
| |
| TARGET_thumb_debug_CFLAGS := $(TARGET_thumb_release_CFLAGS) \ |
| -O0 \ |
| -UNDEBUG \ |
| -marm \ |
| -fno-omit-frame-pointer |
| |
| # This function will be called to determine the target CFLAGS used to build |
| # a C or Assembler source file, based on its tags. |
| # |
| TARGET-process-src-files-tags = \ |
| $(eval __arm_sources := $(call get-src-files-with-tag,arm)) \ |
| $(eval __thumb_sources := $(call get-src-files-without-tag,arm)) \ |
| $(eval __debug_sources := $(call get-src-files-with-tag,debug)) \ |
| $(eval __release_sources := $(call get-src-files-without-tag,debug)) \ |
| $(call set-src-files-target-cflags, \ |
| $(call set_intersection,$(__arm_sources),$(__debug_sources)), \ |
| $(TARGET_arm_debug_CFLAGS)) \ |
| $(call set-src-files-target-cflags,\ |
| $(call set_intersection,$(__arm_sources),$(__release_sources)),\ |
| $(TARGET_arm_release_CFLAGS)) \ |
| $(call set-src-files-target-cflags,\ |
| $(call set_intersection,$(__arm_sources),$(__debug_sources)),\ |
| $(TARGET_arm_debug_CFLAGS)) \ |
| $(call set-src-files-target-cflags,\ |
| $(call set_intersection,$(__thumb_sources),$(__release_sources)),\ |
| $(TARGET_thumb_release_CFLAGS)) \ |
| $(call set-src-files-target-cflags,\ |
| $(call set_intersection,$(__thumb_sources),$(__debug_sources)),\ |
| $(TARGET_thumb_debug_CFLAGS)) \ |
| $(call add-src-files-target-cflags,\ |
| $(call get-src-files-with-tag,neon),\ |
| $(TARGET_CFLAGS.neon)) \ |
| $(call set-src-files-text,$(__arm_sources),arm$(space)$(space)) \ |
| $(call set-src-files-text,$(__thumb_sources),thumb) |