cbe162e914
Previously HOST_TOOLCHAIN_PREFIX can't accept toolchain in arch-os-*-gcc format. Fix it so we can try out new host toolchain, eg. HOST_TOOLCHAIN_PREFIX=prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.6/bin/x86_64-linux- make Change-Id: Ic1092593036c41d5471e788654fb4e0991dd7e40
65 lines
2.3 KiB
Makefile
65 lines
2.3 KiB
Makefile
#
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# Copyright (C) 2006 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Configuration for builds hosted on linux-x86.
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# Included by combo/select.mk
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# $(1): The file to check
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define get-file-size
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stat --format "%s" "$(1)" | tr -d '\n'
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endef
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# Previously the prebiult host toolchain is used only for the sdk build,
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# that's why we have "sdk" in the path name.
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ifeq ($(strip $(HOST_TOOLCHAIN_PREFIX)),)
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HOST_TOOLCHAIN_PREFIX := prebuilts/tools/gcc-sdk/
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endif
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# Don't do anything if the toolchain is not there
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ifneq (,$(strip $(wildcard $(HOST_TOOLCHAIN_PREFIX)gcc)))
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HOST_CC := $(HOST_TOOLCHAIN_PREFIX)gcc
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HOST_CXX := $(HOST_TOOLCHAIN_PREFIX)g++
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HOST_AR := $(HOST_TOOLCHAIN_PREFIX)ar
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endif # $(HOST_TOOLCHAIN_PREFIX)gcc exists
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ifneq ($(strip $(BUILD_HOST_64bit)),)
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# By default we build everything in 32-bit, because it gives us
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# more consistency between the host tools and the target.
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# BUILD_HOST_64bit=1 overrides it for tool like emulator
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# which can benefit from 64-bit host arch.
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HOST_GLOBAL_CFLAGS += -m64 -Wa,--noexecstack
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HOST_GLOBAL_LDFLAGS += -m64 -Wl,-z,noexecstack
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else
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# We expect SSE3 floating point math.
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HOST_GLOBAL_CFLAGS += -mstackrealign -msse3 -mfpmath=sse -m32 -Wa,--noexecstack
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HOST_GLOBAL_LDFLAGS += -m32 -Wl,-z,noexecstack
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endif # BUILD_HOST_64bit
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ifneq ($(strip $(BUILD_HOST_static)),)
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# Statically-linked binaries are desirable for sandboxed environment
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HOST_GLOBAL_LDFLAGS += -static
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endif # BUILD_HOST_static
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HOST_GLOBAL_CFLAGS += -fPIC \
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-include $(call select-android-config-h,linux-x86)
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# Disable new longjmp in glibc 2.11 and later. See bug 2967937.
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HOST_GLOBAL_CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
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# Workaround differences in inttypes.h between host and target.
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# See bug 12708004.
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HOST_GLOBAL_CFLAGS += -D__STDC_FORMAT_MACROS -D__STDC_CONSTANT_MACROS
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HOST_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined
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