1# 2# Copyright (C) 2006 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15# 16 17# Configuration for builds hosted on linux-x86. 18# Included by combo/select.mk 19 20ifeq ($(strip $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)),) 21$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/bin/x86_64-linux- 22endif 23$(combo_2nd_arch_prefix)HOST_CC := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)gcc 24$(combo_2nd_arch_prefix)HOST_CXX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)g++ 25$(combo_2nd_arch_prefix)HOST_AR := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)ar 26 27# gcc location for clang; to be updated when clang is updated 28$(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/ 29 30# We expect SSE3 floating point math. 31$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -msse3 -mfpmath=sse -m32 -Wa,--noexecstack -march=prescott 32$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now 33 34ifneq ($(strip $(BUILD_HOST_static)),) 35# Statically-linked binaries are desirable for sandboxed environment 36$(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -static 37endif # BUILD_HOST_static 38 39$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -fPIC \ 40 -no-canonical-prefixes \ 41 -include $(call select-android-config-h,linux-x86) 42 43# TODO: Set _FORTIFY_SOURCE=2. Bug 20558757. 44$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -fstack-protector 45 46# Workaround differences in inttypes.h between host and target. 47# See bug 12708004. 48$(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS 49 50$(combo_2nd_arch_prefix)HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 51 52############################################################ 53## Macros after this line are shared by the 64-bit config. 54 55# $(1): The file to check 56define get-file-size 57stat --format "%s" "$(1)" | tr -d '\n' 58endef 59