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1# Copyright (C) 2009 The Android Open Source Project
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7#      http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14#
15
16# this file is used to prepare the NDK to build with the x86 gcc-4.6
17# toolchain any number of source files
18#
19# its purpose is to define (or re-define) templates used to build
20# various sources into target object files, libraries or executables.
21#
22# Note that this file may end up being parsed several times in future
23# revisions of the NDK.
24#
25
26TOOLCHAIN_NAME   := x86-4.6
27TOOLCHAIN_PREFIX := $(TOOLCHAIN_PREBUILT_ROOT)/bin/i686-linux-android-
28
29TARGET_CFLAGS := \
30    -ffunction-sections \
31    -funwind-tables \
32    -no-canonical-prefixes
33
34TARGET_C_INCLUDES := \
35    $(SYSROOT_INC)/usr/include
36
37# Add and LDFLAGS for the target here
38TARGET_LDFLAGS := -no-canonical-prefixes
39
40TARGET_CFLAGS += -fstack-protector
41
42TARGET_x86_release_CFLAGS := -O2 \
43                             -g \
44                             -DNDEBUG \
45                             -fomit-frame-pointer \
46                             -fstrict-aliasing    \
47                             -funswitch-loops     \
48                             -finline-limit=300
49
50# When building for debug, compile everything as x86.
51TARGET_x86_debug_CFLAGS := $(TARGET_x86_release_CFLAGS) \
52                           -O0 \
53                           -UNDEBUG \
54                           -fno-omit-frame-pointer \
55                           -fno-strict-aliasing
56
57# This function will be called to determine the target CFLAGS used to build
58# a C or Assembler source file, based on its tags.
59#
60TARGET-process-src-files-tags = \
61$(eval __debug_sources := $(call get-src-files-with-tag,debug)) \
62$(eval __release_sources := $(call get-src-files-without-tag,debug)) \
63$(call set-src-files-target-cflags, $(__debug_sources), $(TARGET_x86_debug_CFLAGS)) \
64$(call set-src-files-target-cflags, $(__release_sources),$(TARGET_x86_release_CFLAGS)) \
65
66# The ABI-specific sub-directory that the SDK tools recognize for
67# this toolchain's generated binaries
68TARGET_ABI_SUBDIR := x86
69