HOST_linux-x86.mk revision 48f239c94faca140427afc9aa06cf356b1b6b0de 
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
25ifeq ($(strip $(HOST_TOOLCHAIN_PREFIX)),)
26HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/bin/x86_64-linux-
27endif
28# Don't do anything if the toolchain is not there
29ifneq (,$(strip $(wildcard $(HOST_TOOLCHAIN_PREFIX)gcc)))
30HOST_CC  := $(HOST_TOOLCHAIN_PREFIX)gcc
31HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)g++
32HOST_AR  := $(HOST_TOOLCHAIN_PREFIX)ar
33endif # $(HOST_TOOLCHAIN_PREFIX)gcc exists
34
35HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/
36ifneq ($(strip $(BUILD_HOST_64bit)),)
37# By default we build everything in 32-bit, because it gives us
38# more consistency between the host tools and the target.
39# BUILD_HOST_64bit=1 overrides it for tool like emulator
40# which can benefit from 64-bit host arch.
41HOST_GLOBAL_CFLAGS += -m64 -Wa,--noexecstack
42HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack
43else
44# We expect SSE3 floating point math.
45HOST_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse -m32 -Wa,--noexecstack
46HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack
47endif # BUILD_HOST_64bit
48
49ifneq ($(strip $(BUILD_HOST_static)),)
50# Statically-linked binaries are desirable for sandboxed environment
51HOST_GLOBAL_LDFLAGS += -static
52endif # BUILD_HOST_static
53
54HOST_GLOBAL_CFLAGS += -fPIC \
55  -no-canonical-prefixes \
56  -include $(call select-android-config-h,linux-x86)
57
58# Disable new longjmp in glibc 2.11 and later. See bug 2967937.
59HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
60
61# Workaround differences in inttypes.h between host and target.
62# See bug 12708004.
63HOST_GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS
64
65HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
66