HOST_linux-x86.mk revision f9613a4f730b8a385971f95150582b9a543302ae
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 20# $(1): The file to check 21define get-file-size 22stat --format "%s" "$(1)" | tr -d '\n' 23endef 24 25# Special case for the Linux SDK: We need to use a special cross-toolchain 26# that generates machine code that will run properly on Ubuntu 8.04 (Hardy) 27# By default, the code generated by the Lucid host toolchain will not run 28# on previous versions of the platform, due to GLibc ABI mistmatches 29# (Lucid is 2.11, Hardy is 2.7) 30# 31# Note that components that need to be built as 64-bit (e.g. clearsilver 32# which is loaded by the 64-bit JVM through JNI), will have to use 33# LOCAL_CC and LOCAL_CXX to override this. 34# 35HOST_SDK_TOOLCHAIN_PREFIX := prebuilts/tools/gcc-sdk 36# Don't do anything if the toolchain is not there 37ifneq (,$(strip $(wildcard $(HOST_SDK_TOOLCHAIN_PREFIX)/gcc))) 38HOST_CC := $(HOST_SDK_TOOLCHAIN_PREFIX)/gcc 39HOST_CXX := $(HOST_SDK_TOOLCHAIN_PREFIX)/g++ 40HOST_AR := $(HOST_SDK_TOOLCHAIN_PREFIX)/ar 41endif # $(HOST_SDK_TOOLCHAIN_PREFIX)/gcc exists 42 43ifneq ($(strip $(BUILD_HOST_64bit)),) 44# By default we build everything in 32-bit, because it gives us 45# more consistency between the host tools and the target. 46# BUILD_HOST_64bit=1 overrides it for tool like emulator 47# which can benefit from 64-bit host arch. 48HOST_GLOBAL_CFLAGS += -m64 49HOST_GLOBAL_LDFLAGS += -m64 50else 51HOST_GLOBAL_CFLAGS += -m32 52HOST_GLOBAL_LDFLAGS += -m32 53endif # BUILD_HOST_64bit 54 55ifneq ($(strip $(BUILD_HOST_static)),) 56# Statically-linked binaries are desirable for sandboxed environment 57HOST_GLOBAL_LDFLAGS += -static 58endif # BUILD_HOST_static 59 60HOST_GLOBAL_CFLAGS += -fPIC 61HOST_GLOBAL_CFLAGS += \ 62 -include $(call select-android-config-h,linux-x86) 63 64# Disable new longjmp in glibc 2.11 and later. See bug 2967937. 65HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 66 67HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 68