Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 1 | # |
| 2 | # Copyright (C) 2010 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 Linux on MIPS. |
| 18 | # Included by combo/select.mk |
| 19 | |
| 20 | # You can set TARGET_ARCH_VARIANT to use an arch version other |
| 21 | # than mips32r2-fp. Each value should correspond to a file named |
| 22 | # $(BUILD_COMBOS)/arch/<name>.mk which must contain |
| 23 | # makefile variable definitions similar to the preprocessor |
Ying Wang | 5bdf305 | 2012-09-20 10:06:33 -0700 | [diff] [blame] | 24 | # defines in build/core/combo/include/arch/<combo>/AndroidConfig.h. Their |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 25 | # purpose is to allow module Android.mk files to selectively compile |
| 26 | # different versions of code based upon the funtionality and |
| 27 | # instructions available in a given architecture version. |
| 28 | # |
| 29 | # The blocks also define specific arch_variant_cflags, which |
| 30 | # include defines, and compiler settings for the given architecture |
| 31 | # version. |
| 32 | # |
| 33 | ifeq ($(strip $(TARGET_ARCH_VARIANT)),) |
| 34 | TARGET_ARCH_VARIANT := mips32r2-fp |
| 35 | endif |
| 36 | |
Ben Cheng | 054ffd2 | 2012-12-11 14:01:10 -0800 | [diff] [blame^] | 37 | ifeq ($(strip $(TARGET_GCC_VERSION)),) |
| 38 | TARGET_GCC_VERSION := 4.6 |
| 39 | endif |
| 40 | |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 41 | TARGET_ARCH_SPECIFIC_MAKEFILE := $(BUILD_COMBOS)/arch/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT).mk |
| 42 | ifeq ($(strip $(wildcard $(TARGET_ARCH_SPECIFIC_MAKEFILE))),) |
| 43 | $(error Unknown MIPS architecture variant: $(TARGET_ARCH_VARIANT)) |
| 44 | endif |
| 45 | |
| 46 | include $(TARGET_ARCH_SPECIFIC_MAKEFILE) |
| 47 | |
| 48 | # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else |
| 49 | ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) |
Andrew Hsieh | 06b63ba | 2012-10-23 12:06:01 +0800 | [diff] [blame] | 50 | TARGET_TOOLCHAIN_ROOT := prebuilts/gcc/$(HOST_PREBUILT_TAG)/mips/mipsel-linux-android-$(TARGET_GCC_VERSION) |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 51 | TARGET_TOOLS_PREFIX := $(TARGET_TOOLCHAIN_ROOT)/bin/mipsel-linux-android- |
| 52 | endif |
| 53 | |
| 54 | # Only define these if there's actually a gcc in there. |
| 55 | # The gcc toolchain does not exists for windows/cygwin. In this case, do not reference it. |
| 56 | ifneq ($(wildcard $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX)),) |
| 57 | TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) |
| 58 | TARGET_CXX := $(TARGET_TOOLS_PREFIX)g++$(HOST_EXECUTABLE_SUFFIX) |
| 59 | TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) |
| 60 | TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) |
| 61 | TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) |
| 62 | TARGET_STRIP := $(TARGET_TOOLS_PREFIX)strip$(HOST_EXECUTABLE_SUFFIX) |
| 63 | ifeq ($(TARGET_BUILD_VARIANT),user) |
| 64 | TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@ |
| 65 | else |
| 66 | TARGET_STRIP_COMMAND = $(TARGET_STRIP) --strip-all $< -o $@ && \ |
Ying Wang | da4bf42 | 2012-08-16 16:45:01 -0700 | [diff] [blame] | 67 | $(TARGET_OBJCOPY) --add-gnu-debuglink=$< $@ |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 68 | endif |
| 69 | endif |
| 70 | |
| 71 | TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined |
| 72 | |
| 73 | TARGET_mips_CFLAGS := -O2 \ |
| 74 | -fomit-frame-pointer \ |
| 75 | -fno-strict-aliasing \ |
| 76 | -funswitch-loops |
| 77 | |
| 78 | # Set FORCE_MIPS_DEBUGGING to "true" in your buildspec.mk |
| 79 | # or in your environment to gdb debugging easier. |
| 80 | # Don't forget to do a clean build. |
| 81 | ifeq ($(FORCE_MIPS_DEBUGGING),true) |
| 82 | TARGET_mips_CFLAGS += -fno-omit-frame-pointer |
| 83 | endif |
| 84 | |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 85 | TARGET_GLOBAL_CFLAGS += \ |
| 86 | $(TARGET_mips_CFLAGS) \ |
| 87 | -Ulinux -U__unix -U__unix__ -Umips \ |
Miroslav Ignjatovic | f1e4df7 | 2012-09-18 11:13:21 +0200 | [diff] [blame] | 88 | -fpic -fPIE\ |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 89 | -ffunction-sections \ |
| 90 | -fdata-sections \ |
| 91 | -funwind-tables \ |
| 92 | -Werror=format-security \ |
Ying Wang | da4bf42 | 2012-08-16 16:45:01 -0700 | [diff] [blame] | 93 | $(arch_variant_cflags) |
| 94 | |
| 95 | android_config_h := $(call select-android-config-h,linux-mips) |
| 96 | TARGET_ANDROID_CONFIG_CFLAGS := -include $(android_config_h) -I $(dir $(android_config_h)) |
| 97 | TARGET_GLOBAL_CFLAGS += $(TARGET_ANDROID_CONFIG_CFLAGS) |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 98 | |
Andrew Hsieh | 06b63ba | 2012-10-23 12:06:01 +0800 | [diff] [blame] | 99 | # This warning causes dalvik not to build with gcc 4.6+ and -Werror. |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 100 | # We cannot turn it off blindly since the option is not available |
| 101 | # in gcc-4.4.x. |
Andrew Hsieh | 06b63ba | 2012-10-23 12:06:01 +0800 | [diff] [blame] | 102 | ifneq ($(filter 4.6 4.6.% 4.7 4.7.%, $(shell $(TARGET_CC) --version)),) |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 103 | TARGET_GLOBAL_CFLAGS += -Wno-unused-but-set-variable \ |
| 104 | -fno-strict-volatile-bitfields |
| 105 | endif |
| 106 | |
| 107 | # This is to avoid the dreaded warning compiler message: |
| 108 | # note: the mangling of 'va_list' has changed in GCC 4.4 |
| 109 | # |
| 110 | # The fact that the mangling changed does not affect the NDK ABI |
| 111 | # very fortunately (since none of the exposed APIs used va_list |
| 112 | # in their exported C++ functions). Also, GCC 4.5 has already |
| 113 | # removed the warning from the compiler. |
| 114 | # |
| 115 | TARGET_GLOBAL_CFLAGS += -Wno-psabi |
| 116 | |
| 117 | ifneq ($(ARCH_MIPS_PAGE_SHIFT),) |
| 118 | TARGET_GLOBAL_CFLAGS += -DPAGE_SHIFT=$(ARCH_MIPS_PAGE_SHIFT) |
| 119 | endif |
| 120 | |
| 121 | TARGET_GLOBAL_LDFLAGS += \ |
| 122 | $(arch_variant_ldflags) |
| 123 | |
| 124 | TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden \ |
| 125 | -fno-use-cxa-atexit |
| 126 | |
| 127 | # More flags/options can be added here |
| 128 | TARGET_RELEASE_CFLAGS := \ |
| 129 | -DNDEBUG \ |
| 130 | -g \ |
| 131 | -Wstrict-aliasing=2 \ |
| 132 | -fgcse-after-reload \ |
| 133 | -frerun-cse-after-loop \ |
| 134 | -frename-registers |
| 135 | |
| 136 | libc_root := bionic/libc |
| 137 | libm_root := bionic/libm |
| 138 | libstdc++_root := bionic/libstdc++ |
| 139 | libthread_db_root := bionic/libthread_db |
| 140 | |
| 141 | |
| 142 | ## on some hosts, the target cross-compiler is not available so do not run this command |
| 143 | ifneq ($(wildcard $(TARGET_CC)),) |
| 144 | # We compile with the global cflags to ensure that |
| 145 | # any flags which affect libgcc are correctly taken |
| 146 | # into account. |
| 147 | TARGET_LIBGCC := \ |
| 148 | $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc.a) |
| 149 | LIBGCC_EH := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-file-name=libgcc_eh.a) |
| 150 | ifneq ($(LIBGCC_EH),libgcc_eh.a) |
| 151 | TARGET_LIBGCC += $(LIBGCC_EH) |
| 152 | endif |
| 153 | endif |
| 154 | |
| 155 | # Define FDO (Feedback Directed Optimization) options. |
| 156 | |
| 157 | TARGET_FDO_CFLAGS:= |
| 158 | TARGET_FDO_LIB:= |
| 159 | |
| 160 | target_libgcov := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) \ |
| 161 | --print-file-name=libgcov.a) |
| 162 | ifneq ($(strip $(BUILD_FDO_INSTRUMENT)),) |
| 163 | # Set BUILD_FDO_INSTRUMENT=true to turn on FDO instrumentation. |
| 164 | # The profile will be generated on /data/local/tmp/profile on the device. |
| 165 | TARGET_FDO_CFLAGS := -fprofile-generate=/data/local/tmp/profile -DANDROID_FDO |
| 166 | TARGET_FDO_LIB := $(target_libgcov) |
| 167 | else |
| 168 | # If BUILD_FDO_INSTRUMENT is turned off, then consider doing the FDO optimizations. |
| 169 | # Set TARGET_FDO_PROFILE_PATH to set a custom profile directory for your build. |
| 170 | ifeq ($(strip $(TARGET_FDO_PROFILE_PATH)),) |
| 171 | TARGET_FDO_PROFILE_PATH := fdo/profiles/$(TARGET_ARCH)/$(TARGET_ARCH_VARIANT) |
| 172 | else |
| 173 | ifeq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) |
| 174 | $(warning Custom TARGET_FDO_PROFILE_PATH supplied, but directory does not exist. Turn off FDO.) |
| 175 | endif |
| 176 | endif |
| 177 | |
| 178 | # If the FDO profile directory can't be found, then FDO is off. |
| 179 | ifneq ($(strip $(wildcard $(TARGET_FDO_PROFILE_PATH))),) |
| 180 | TARGET_FDO_CFLAGS := -fprofile-use=$(TARGET_FDO_PROFILE_PATH) -DANDROID_FDO |
| 181 | TARGET_FDO_LIB := $(target_libgcov) |
| 182 | endif |
| 183 | endif |
| 184 | |
| 185 | |
| 186 | # unless CUSTOM_KERNEL_HEADERS is defined, we're going to use |
| 187 | # symlinks located in out/ to point to the appropriate kernel |
| 188 | # headers. see 'config/kernel_headers.make' for more details |
| 189 | # |
| 190 | ifneq ($(CUSTOM_KERNEL_HEADERS),) |
| 191 | KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS) |
| 192 | KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS) |
| 193 | else |
| 194 | KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common |
| 195 | KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH) |
| 196 | endif |
| 197 | KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) |
| 198 | |
| 199 | TARGET_C_INCLUDES := \ |
| 200 | $(libc_root)/arch-mips/include \ |
| 201 | $(libc_root)/include \ |
| 202 | $(libstdc++_root)/include \ |
| 203 | $(KERNEL_HEADERS) \ |
| 204 | $(libm_root)/include \ |
| 205 | $(libm_root)/include/mips \ |
| 206 | $(libthread_db_root)/include |
| 207 | |
Keun young Park | a8811fd | 2012-08-15 13:42:37 -0700 | [diff] [blame] | 208 | TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_static.o |
| 209 | TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_dynamic.o |
| 210 | TARGET_CRTEND_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_android.o |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 211 | |
Keun young Park | a8811fd | 2012-08-15 13:42:37 -0700 | [diff] [blame] | 212 | TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtbegin_so.o |
| 213 | TARGET_CRTEND_SO_O := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/crtend_so.o |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 214 | |
| 215 | TARGET_STRIP_MODULE:=true |
| 216 | |
| 217 | TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm |
| 218 | |
| 219 | TARGET_CUSTOM_LD_COMMAND := true |
| 220 | |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 221 | define transform-o-to-shared-lib-inner |
| 222 | $(hide) $(PRIVATE_CXX) \ |
| 223 | -nostdlib -Wl,-soname,$(notdir $@) \ |
| 224 | -Wl,--gc-sections \ |
| 225 | -shared -Bsymbolic \ |
| 226 | $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ |
| 227 | $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \ |
| 228 | $(PRIVATE_ALL_OBJECTS) \ |
| 229 | -Wl,--whole-archive \ |
| 230 | $(call normalize-target-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ |
| 231 | -Wl,--no-whole-archive \ |
| 232 | $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ |
| 233 | $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ |
| 234 | $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ |
| 235 | $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ |
| 236 | -o $@ \ |
| 237 | $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ |
| 238 | $(PRIVATE_LDFLAGS) \ |
| 239 | $(PRIVATE_TARGET_FDO_LIB) \ |
| 240 | $(PRIVATE_TARGET_LIBGCC) \ |
| 241 | $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_SO_O)) |
| 242 | endef |
| 243 | |
| 244 | define transform-o-to-executable-inner |
Miroslav Ignjatovic | f1e4df7 | 2012-09-18 11:13:21 +0200 | [diff] [blame] | 245 | $(hide) $(PRIVATE_CXX) -nostdlib -Bdynamic -fPIE -pie \ |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 246 | -Wl,-dynamic-linker,/system/bin/linker \ |
| 247 | -Wl,--gc-sections \ |
| 248 | -Wl,-z,nocopyreloc \ |
| 249 | -o $@ \ |
Ying Wang | 91fd123 | 2012-09-25 17:52:10 -0700 | [diff] [blame] | 250 | $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 251 | -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ |
| 252 | $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ |
Ying Wang | 91fd123 | 2012-09-25 17:52:10 -0700 | [diff] [blame] | 253 | $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O)) \ |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 254 | $(PRIVATE_ALL_OBJECTS) \ |
| 255 | $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--start-group) \ |
| 256 | $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ |
| 257 | $(if $(PRIVATE_GROUP_STATIC_LIBRARIES),-Wl$(comma)--end-group) \ |
Ying Wang | 91fd123 | 2012-09-25 17:52:10 -0700 | [diff] [blame] | 258 | $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 259 | $(PRIVATE_LDFLAGS) \ |
Ying Wang | 91fd123 | 2012-09-25 17:52:10 -0700 | [diff] [blame] | 260 | $(PRIVATE_TARGET_FDO_LIB) \ |
| 261 | $(PRIVATE_TARGET_LIBGCC) \ |
| 262 | $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 263 | endef |
| 264 | |
| 265 | define transform-o-to-static-executable-inner |
| 266 | $(hide) $(PRIVATE_CXX) -nostdlib -Bstatic \ |
| 267 | -Wl,--gc-sections \ |
| 268 | -o $@ \ |
Ying Wang | 91fd123 | 2012-09-25 17:52:10 -0700 | [diff] [blame] | 269 | $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ |
| 270 | $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_STATIC_O)) \ |
| 271 | $(PRIVATE_TARGET_GLOBAL_LDFLAGS) \ |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 272 | $(PRIVATE_LDFLAGS) \ |
| 273 | $(PRIVATE_ALL_OBJECTS) \ |
| 274 | $(call normalize-target-libraries,$(filter-out %libc_nomalloc.a,$(filter-out %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES)))) \ |
| 275 | -Wl,--start-group \ |
| 276 | $(call normalize-target-libraries,$(filter %libc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ |
| 277 | $(call normalize-target-libraries,$(filter %libc_nomalloc.a,$(PRIVATE_ALL_STATIC_LIBRARIES))) \ |
Ying Wang | 91fd123 | 2012-09-25 17:52:10 -0700 | [diff] [blame] | 278 | $(PRIVATE_TARGET_FDO_LIB) \ |
| 279 | $(PRIVATE_TARGET_LIBGCC) \ |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 280 | -Wl,--end-group \ |
Ying Wang | 91fd123 | 2012-09-25 17:52:10 -0700 | [diff] [blame] | 281 | $(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTEND_O)) |
Raghu Gandham | 06afc1c | 2012-07-25 19:57:22 -0700 | [diff] [blame] | 282 | endef |