1 # Copyright (C) 2014 The Android Open Source Project 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 # 15 16 # this file is used to prepare the NDK to build with the arm64 gcc-4.9 17 # toolchain any number of source files 18 # 19 # its purpose is to define (or re-define) templates used to build 20 # various sources into target object files, libraries or executables. 21 # 22 # Note that this file may end up being parsed several times in future 23 # revisions of the NDK. 24 # 25 26 TOOLCHAIN_NAME := aarch64-linux-android-4.9 27 TOOLCHAIN_PREFIX := $(TOOLCHAIN_PREBUILT_ROOT)/bin/aarch64-linux-android- 28 29 TARGET_CFLAGS := \ 30 -fpic \ 31 -ffunction-sections \ 32 -funwind-tables \ 33 -fstack-protector \ 34 -no-canonical-prefixes 35 36 TARGET_C_INCLUDES := \ 37 $(SYSROOT_INC)/usr/include 38 39 TARGET_LDFLAGS := -no-canonical-prefixes 40 41 TARGET_arm64_release_CFLAGS := -O2 \ 42 -g \ 43 -DNDEBUG \ 44 -fomit-frame-pointer \ 45 -fstrict-aliasing \ 46 -funswitch-loops \ 47 -finline-limit=300 48 49 TARGET_arm64_debug_CFLAGS := $(TARGET_arm64_release_CFLAGS) \ 50 -O0 \ 51 -UNDEBUG \ 52 -fno-omit-frame-pointer \ 53 -fno-strict-aliasing 54 55 # This function will be called to determine the target CFLAGS used to build 56 # a C or Assembler source file, based on its tags. 57 # 58 TARGET-process-src-files-tags = \ 59 $(eval __debug_sources := $(call get-src-files-with-tag,debug)) \ 60 $(eval __release_sources := $(call get-src-files-without-tag,debug)) \ 61 $(call set-src-files-target-cflags, $(__debug_sources), $(TARGET_arm64_debug_CFLAGS)) \ 62 $(call set-src-files-target-cflags, $(__release_sources),$(TARGET_arm64_release_CFLAGS)) \ 63