| # Copyright (C) 2009 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. |
| # |
| |
| # this file is used to prepare the NDK to build with the x86-4.2.1 |
| # toolchain any number of source files |
| # |
| # its purpose is to define (or re-define) templates used to build |
| # various sources into target object files, libraries or executables. |
| # |
| # Note that this file may end up being parsed several times in future |
| # revisions of the NDK. |
| # |
| |
| TOOLCHAIN_NAME := x86-4.2.1 |
| TOOLCHAIN_PREFIX := $(HOST_PREBUILT)/$(TOOLCHAIN_NAME)/bin/i686-android-linux-gnu- |
| |
| TARGET_CFLAGS.common := \ |
| -I$(SYSROOT)/usr/include \ |
| -msoft-float -fpic \ |
| -ffunction-sections \ |
| -funwind-tables \ |
| -fstack-protector \ |
| -fno-short-enums |
| |
| TARGET_x86_release_CFLAGS := -O2 \ |
| -fomit-frame-pointer \ |
| -fstrict-aliasing \ |
| -funswitch-loops \ |
| -finline-limit=300 |
| |
| # When building for debug, compile everything as x86. |
| TARGET_x86_debug_CFLAGS := $(TARGET_x86_release_CFLAGS) \ |
| -fno-omit-frame-pointer \ |
| -fno-strict-aliasing |
| |
| # This function will be called to determine the target CFLAGS used to build |
| # a C or Assembler source file, based on its tags. |
| # |
| TARGET-process-src-files-tags = \ |
| $(eval __debug_sources := $(call get-src-files-with-tag,debug)) \ |
| $(eval __release_sources := $(call get-sr-files-without-tag,debug)) \ |
| $(call set-src-files-target-cflags, $(__debug_sources), $(TARGET_x86_debug_CFLAGS)) \ |
| $(call set-src-files-target-cflags, $(__release_sources),$(TARGET_x86_release_CFLAGS)) \ |
| $(call set-src-files-text,$(LOCAL_SRC_FILES),x86$(space)$(space)) \ |
| |
| TARGET_CC := $(TOOLCHAIN_PREFIX)gcc |
| TARGET_CFLAGS := $(TARGET_CFLAGS.common) |
| |
| |
| TARGET_CXX := $(TOOLCHAIN_PREFIX)g++ |
| TARGET_CXXFLAGS := $(TARGET_CFLAGS.common) -fno-exceptions -fno-rtti |
| |
| TARGET_LD := $(TOOLCHAIN_PREFIX)ld |
| TARGET_LDFLAGS := |
| |
| TARGET_AR := $(TOOLCHAIN_PREFIX)ar |
| TARGET_ARFLAGS := crs |
| |
| TARGET_LIBGCC := $(shell $(TARGET_CC) -print-libgcc-file-name) |
| TARGET_LDLIBS := -Wl,-rpath-link=$(SYSROOT)/usr/lib |
| |
| # These flags are used to ensure that a binary doesn't reference undefined |
| # flags. |
| TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined |
| |
| # The ABI-specific sub-directory that the SDK tools recognize for |
| # this toolchain's generated binaries |
| TARGET_ABI_SUBDIR := x86 |
| |
| # NOTE: Ensure that TARGET_LIBGCC is placed after all private objects |
| # and static libraries, but before any other library in the link |
| # command line when generating shared libraries and executables. |
| # |
| # This ensures that all libgcc.a functions required by the target |
| # will be included into it, instead of relying on what's available |
| # on other libraries like libc.so, which may change between system |
| # releases due to toolchain or library changes. |
| # |
| define cmd-build-shared-library |
| $(TARGET_CC) \ |
| -nostdlib -Wl,-soname,$(notdir $@) \ |
| -Wl,-shared,-Bsymbolic \ |
| $(PRIVATE_OBJECTS) \ |
| -Wl,--whole-archive \ |
| $(PRIVATE_WHOLE_STATIC_LIBRARIES) \ |
| -Wl,--no-whole-archive \ |
| $(PRIVATE_STATIC_LIBRARIES) \ |
| $(TARGET_LIBGCC) \ |
| $(PRIVATE_SHARED_LIBRARIES) \ |
| $(PRIVATE_LDFLAGS) \ |
| $(PRIVATE_LDLIBS) \ |
| -o $@ |
| endef |
| |
| define cmd-build-executable |
| $(TARGET_CC) \ |
| -nostdlib -Bdynamic \ |
| -Wl,-dynamic-linker,/system/bin/linker \ |
| -Wl,--gc-sections \ |
| -Wl,-z,nocopyreloc \ |
| $(TARGET_CRTBEGIN_DYNAMIC_O) \ |
| $(PRIVATE_OBJECTS) \ |
| $(PRIVATE_STATIC_LIBRARIES) \ |
| $(TARGET_LIBGCC) \ |
| $(PRIVATE_SHARED_LIBRARIES) \ |
| $(PRIVATE_LDFLAGS) \ |
| $(PRIVATE_LDLIBS) \ |
| $(TARGET_CRTEND_O) \ |
| -o $@ |
| endef |
| |
| define cmd-build-static-library |
| $(TARGET_AR) $(TARGET_ARFLAGS) $@ $(PRIVATE_OBJECTS) |
| endef |
| |
| cmd-strip = $(TOOLCHAIN_PREFIX)strip --strip-debug $1 |