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      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 # $(1): The file to check
     21 define get-file-size
     22 stat --format "%s" "$(1)" | tr -d '\n'
     23 endef
     24 
     25 # Special case for the Linux SDK: We need to use a special cross-toolchain
     26 # that generates machine code that will run properly on Ubuntu 8.04 (Hardy)
     27 # By default, the code generated by the Lucid host toolchain will not run
     28 # on previous versions of the platform, due to GLibc ABI mistmatches
     29 # (Lucid is 2.11, Hardy is 2.7)
     30 #
     31 # Note that components that need to be built as 64-bit (e.g. clearsilver
     32 # which is loaded by the 64-bit JVM through JNI), will have to use
     33 # LOCAL_CC and LOCAL_CXX to override this.
     34 #
     35 ifeq ($(TARGET_PRODUCT),sdk)
     36 HOST_SDK_TOOLCHAIN_PREFIX := prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/bin/i686-linux
     37 # Don't do anything if the toolchain is not there
     38 ifneq (,$(strip $(wildcard $(HOST_SDK_TOOLCHAIN_PREFIX)-gcc)))
     39 HOST_CC  := $(HOST_SDK_TOOLCHAIN_PREFIX)-gcc
     40 HOST_CXX := $(HOST_SDK_TOOLCHAIN_PREFIX)-g++
     41 HOST_AR  := $(HOST_SDK_TOOLCHAIN_PREFIX)-ar
     42 endif # $(HOST_SDK_TOOLCHAIN_PREFIX)-gcc exists
     43 endif # TARGET_PRODUCT == sdk
     44 
     45 # We build everything in 32-bit, because some host tools are
     46 # 32-bit-only anyway (emulator, acc), and because it gives us
     47 # more consistency between the host tools and the target.
     48 HOST_GLOBAL_CFLAGS += -m32
     49 HOST_GLOBAL_LDFLAGS += -m32
     50 
     51 HOST_GLOBAL_CFLAGS += -fPIC
     52 HOST_GLOBAL_CFLAGS += \
     53 	-include $(call select-android-config-h,linux-x86)
     54 
     55 # Disable new longjmp in glibc 2.11 and later. See bug 2967937.
     56 HOST_GLOBAL_CFLAGS += -D_FORTIFY_SOURCE=0
     57 
     58 HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
     59