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_64. 18 # Included by combo/select.mk 19 20 ifeq ($(strip $(HOST_TOOLCHAIN_PREFIX)),) 21 HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/bin/x86_64-linux- 22 endif 23 # Don't do anything if the toolchain is not there 24 ifneq (,$(strip $(wildcard $(HOST_TOOLCHAIN_PREFIX)gcc))) 25 HOST_CC := $(HOST_TOOLCHAIN_PREFIX)gcc 26 HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)g++ 27 HOST_AR := $(HOST_TOOLCHAIN_PREFIX)ar 28 endif # $(HOST_TOOLCHAIN_PREFIX)gcc exists 29 30 # gcc location for clang; to be updated when clang is updated 31 HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/ 32 33 HOST_GLOBAL_CFLAGS += -m64 -Wa,--noexecstack 34 HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack 35 36 ifneq ($(strip $(BUILD_HOST_static)),) 37 # Statically-linked binaries are desirable for sandboxed environment 38 HOST_GLOBAL_LDFLAGS += -static 39 endif # BUILD_HOST_static 40 41 # TODO: Add AndroidConfig.h for linux-x86_64 42 HOST_GLOBAL_CFLAGS += -fPIC \ 43 -no-canonical-prefixes \ 44 -include $(call select-android-config-h,linux-x86) 45 46 # Disable new longjmp in glibc 2.11 and later. See bug 2967937. 47 HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 48 49 # Workaround differences in inttypes.h between host and target. 50 # See bug 12708004. 51 HOST_GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS 52 53 HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 54
