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-glibc2.15-4.8/bin/x86_64-linux- 22 endif 23 HOST_CC := $(HOST_TOOLCHAIN_PREFIX)gcc 24 HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)g++ 25 HOST_AR := $(HOST_TOOLCHAIN_PREFIX)ar 26 HOST_READELF := $(HOST_TOOLCHAIN_PREFIX)readelf 27 HOST_NM := $(HOST_TOOLCHAIN_PREFIX)nm 28 29 define $(combo_var_prefix)transform-shared-lib-to-toc 30 $(call _gen_toc_command_for_elf,$(1),$(2)) 31 endef 32 33 # gcc location for clang; to be updated when clang is updated 34 HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8 35 36 HOST_GLOBAL_CFLAGS += -m64 -Wa,--noexecstack 37 HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--no-undefined-version 38 39 ifneq ($(strip $(BUILD_HOST_static)),) 40 # Statically-linked binaries are desirable for sandboxed environment 41 HOST_GLOBAL_LDFLAGS += -static 42 endif # BUILD_HOST_static 43 44 HOST_GLOBAL_CFLAGS += -fPIC \ 45 -no-canonical-prefixes \ 46 47 HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector 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
