| # |
| # Copyright (C) 2006 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| # Configuration for builds hosted on linux-x86. |
| # Included by combo/select.mk |
| |
| # $(1): The file to check |
| define get-file-size |
| stat --format "%s" "$(1)" | tr -d '\n' |
| endef |
| |
| # Previously the prebiult host toolchain is used only for the sdk build, |
| # that's why we have "sdk" in the path name. |
| ifeq ($(strip $(HOST_TOOLCHAIN_PREFIX)),) |
| HOST_TOOLCHAIN_PREFIX := prebuilts/tools/gcc-sdk |
| endif |
| # Don't do anything if the toolchain is not there |
| ifneq (,$(strip $(wildcard $(HOST_TOOLCHAIN_PREFIX)/gcc))) |
| HOST_CC := $(HOST_TOOLCHAIN_PREFIX)/gcc |
| HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)/g++ |
| HOST_AR := $(HOST_TOOLCHAIN_PREFIX)/ar |
| endif # $(HOST_TOOLCHAIN_PREFIX)/gcc exists |
| |
| ifneq ($(strip $(BUILD_HOST_64bit)),) |
| # By default we build everything in 32-bit, because it gives us |
| # more consistency between the host tools and the target. |
| # BUILD_HOST_64bit=1 overrides it for tool like emulator |
| # which can benefit from 64-bit host arch. |
| HOST_GLOBAL_CFLAGS += -m64 |
| HOST_GLOBAL_LDFLAGS += -m64 |
| else |
| # We expect SSE3 floating point math. |
| HOST_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse -m32 |
| HOST_GLOBAL_LDFLAGS += -m32 |
| endif # BUILD_HOST_64bit |
| |
| ifneq ($(strip $(BUILD_HOST_static)),) |
| # Statically-linked binaries are desirable for sandboxed environment |
| HOST_GLOBAL_LDFLAGS += -static |
| endif # BUILD_HOST_static |
| |
| HOST_GLOBAL_CFLAGS += -fPIC \ |
| -include $(call select-android-config-h,linux-x86) |
| |
| # Disable new longjmp in glibc 2.11 and later. See bug 2967937. |
| HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 |
| |
| HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined |
