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 mipsel llvm toolchain 17# 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# 27# Override the toolchain prefix 28# 29 30LLVM_TOOLCHAIN_PREBUILT_ROOT := $(call get-toolchain-root,llvm) 31LLVM_TOOLCHAIN_PREFIX := $(LLVM_TOOLCHAIN_PREBUILT_ROOT)/bin/ 32 33TOOLCHAIN_NAME := mipsel-linux-android 34BINUTILS_ROOT := $(call get-binutils-root,$(NDK_ROOT),$(TOOLCHAIN_NAME)) 35TOOLCHAIN_ROOT := $(call get-toolchain-root,$(TOOLCHAIN_NAME)-4.9) 36TOOLCHAIN_PREFIX := $(TOOLCHAIN_ROOT)/bin/$(TOOLCHAIN_NAME)- 37 38TARGET_CC := $(LLVM_TOOLCHAIN_PREFIX)clang$(HOST_EXEEXT) 39TARGET_CXX := $(LLVM_TOOLCHAIN_PREFIX)clang++$(HOST_EXEEXT) 40 41# 42# CFLAGS, C_INCLUDES, and LDFLAGS 43# 44 45LLVM_TRIPLE := mipsel-none-linux-android 46 47TARGET_CFLAGS := \ 48 -gcc-toolchain $(call host-path,$(TOOLCHAIN_ROOT)) \ 49 -target $(LLVM_TRIPLE) \ 50 -fpic \ 51 -fno-strict-aliasing \ 52 -finline-functions \ 53 -ffunction-sections \ 54 -funwind-tables \ 55 -fstack-protector-strong \ 56 -fmessage-length=0 \ 57 -Wno-invalid-command-line-argument \ 58 -Wno-unused-command-line-argument \ 59 -no-canonical-prefixes 60 61TARGET_LDFLAGS += \ 62 -gcc-toolchain $(call host-path,$(TOOLCHAIN_ROOT)) \ 63 -target $(LLVM_TRIPLE) \ 64 -no-canonical-prefixes 65 66TARGET_mips_release_CFLAGS := -O2 \ 67 -g \ 68 -DNDEBUG \ 69 -fomit-frame-pointer 70 71TARGET_mips_debug_CFLAGS := -O0 \ 72 -g \ 73 -fno-omit-frame-pointer 74 75 76# This function will be called to determine the target CFLAGS used to build 77# a C or Assembler source file, based on its tags. 78TARGET-process-src-files-tags = \ 79$(eval __debug_sources := $(call get-src-files-with-tag,debug)) \ 80$(eval __release_sources := $(call get-src-files-without-tag,debug)) \ 81$(call set-src-files-target-cflags, \ 82 $(__debug_sources),\ 83 $(TARGET_mips_debug_CFLAGS)) \ 84$(call set-src-files-target-cflags,\ 85 $(__release_sources),\ 86 $(TARGET_mips_release_CFLAGS)) \ 87