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 ifeq ($(strip $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)),) 21 $(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8/bin/x86_64-linux- 22 endif 23 $(combo_2nd_arch_prefix)HOST_CC := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)gcc 24 $(combo_2nd_arch_prefix)HOST_CXX := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)g++ 25 $(combo_2nd_arch_prefix)HOST_AR := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)ar 26 $(combo_2nd_arch_prefix)HOST_READELF := $($(combo_2nd_arch_prefix)HOST_TOOLCHAIN_PREFIX)readelf 27 $(combo_2nd_arch_prefix)HOST_NM := $($(combo_2nd_arch_prefix)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 $(combo_2nd_arch_prefix)HOST_TOOLCHAIN_FOR_CLANG := prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.15-4.8 35 36 # We expect SSE3 floating point math. 37 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -msse3 -mfpmath=sse -m32 -Wa,--noexecstack -march=prescott 38 $(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack -Wl,-z,relro -Wl,-z,now -Wl,--no-undefined-version 39 40 ifneq ($(strip $(BUILD_HOST_static)),) 41 # Statically-linked binaries are desirable for sandboxed environment 42 $(combo_2nd_arch_prefix)HOST_GLOBAL_LDFLAGS += -static 43 endif # BUILD_HOST_static 44 45 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -fPIC \ 46 -no-canonical-prefixes \ 47 48 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector 49 50 # Workaround differences in inttypes.h between host and target. 51 # See bug 12708004. 52 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS 53 54 # We build a 32-bit host art, and right now that also means building *all* host libraries 55 # both 32- and 64-bit (whether art uses them or not --- 9d59f417767991246848c3e101cb27d2dfea5988). 56 $(combo_2nd_arch_prefix)HOST_GLOBAL_CFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE=1 57 58 $(combo_2nd_arch_prefix)HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 59 60 ############################################################ 61 ## Macros after this line are shared by the 64-bit config. 62 63 # $(1): The file to check 64 define get-file-size 65 stat --format "%s" "$(1)" | tr -d '\n' 66 endef 67
