HOST_linux-x86.mk revision 85e8cda3405be4acc0da0a094209dd0e8f11cd55 
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# Previously the prebiult host toolchain is used only for the sdk build,
26# that's why we have "sdk" in the path name.
27HOST_TOOLCHAIN_PREFIX := prebuilts/tools/gcc-sdk
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 # $(HOST_TOOLCHAIN_PREFIX)/gcc exists
34
35ifneq ($(strip $(BUILD_HOST_64bit)),)
36# By default we build everything in 32-bit, because it gives us
37# more consistency between the host tools and the target.
38# BUILD_HOST_64bit=1 overrides it for tool like emulator
39# which can benefit from 64-bit host arch.
40HOST_GLOBAL_CFLAGS += -m64
41HOST_GLOBAL_LDFLAGS += -m64
42else
43HOST_GLOBAL_CFLAGS += -m32
44HOST_GLOBAL_LDFLAGS += -m32
45endif # BUILD_HOST_64bit
46
47ifneq ($(strip $(BUILD_HOST_static)),)
48# Statically-linked binaries are desirable for sandboxed environment
49HOST_GLOBAL_LDFLAGS += -static
50endif # BUILD_HOST_static
51
52HOST_GLOBAL_CFLAGS += -fPIC
53HOST_GLOBAL_CFLAGS += \
54	-include $(call select-android-config-h,linux-x86)
55
56# Disable new longjmp in glibc 2.11 and later. See bug 2967937.
57HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
58
59HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
60