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 Linux on SuperH. 18 # Included by combo/select.make 19 20 # You can set TARGET_TOOLS_PREFIX to get gcc from somewhere else 21 ifeq ($(strip $(TARGET_TOOLS_PREFIX)),) 22 TARGET_TOOLS_PREFIX := \ 23 prebuilt/$(HOST_PREBUILT_TAG)/toolchain/sh-4.3.3/bin/sh-linux-gnu- 24 endif 25 26 TARGET_CC := $(TARGET_TOOLS_PREFIX)gcc$(HOST_EXECUTABLE_SUFFIX) 27 TARGET_CXX := $(TARGET_TOOLS_PREFIX)c++$(HOST_EXECUTABLE_SUFFIX) 28 TARGET_AR := $(TARGET_TOOLS_PREFIX)ar$(HOST_EXECUTABLE_SUFFIX) 29 TARGET_OBJCOPY := $(TARGET_TOOLS_PREFIX)objcopy$(HOST_EXECUTABLE_SUFFIX) 30 TARGET_LD := $(TARGET_TOOLS_PREFIX)ld$(HOST_EXECUTABLE_SUFFIX) 31 32 TARGET_NO_UNDEFINED_LDFLAGS := -Wl,--no-undefined 33 34 TARGET_sh_release_CFLAGS := -O2 \ 35 -fomit-frame-pointer \ 36 -fstrict-aliasing \ 37 -funswitch-loops \ 38 -finline-limit=300 39 40 # When building for debug, compile everything as superh. 41 TARGET_sh_debug_CFLAGS := $(TARGET_sh_release_CFLAGS) -fno-omit-frame-pointer -fno-strict-aliasing 42 43 TARGET_GLOBAL_CFLAGS += \ 44 -fpic \ 45 -ffunction-sections \ 46 -funwind-tables \ 47 -fstack-protector \ 48 -include $(call select-android-config-h,linux-sh) 49 50 TARGET_GLOBAL_CPPFLAGS += \ 51 -fno-use-cxa-atexit \ 52 -fvisibility-inlines-hidden 53 54 TARGET_RELEASE_CFLAGS := \ 55 -DSK_RELEASE -DNDEBUG \ 56 -O2 -g \ 57 -Wstrict-aliasing=2 \ 58 -finline-functions \ 59 -fno-inline-functions-called-once \ 60 -fgcse-after-reload \ 61 -frerun-cse-after-loop \ 62 -frename-registers \ 63 -fno-builtin 64 65 libc_root := bionic/libc 66 libm_root := bionic/libm 67 libstdc++_root := bionic/libstdc++ 68 libthread_db_root := bionic/libthread_db 69 70 71 ## on some hosts, the target cross-compiler is not available so do not run this command 72 ifneq ($(wildcard $(TARGET_CC)),) 73 # We compile with the global cflags to ensure that 74 # any flags which affect libgcc are correctly taken 75 # into account. 76 LIBGCC_FILENAME := $(shell $(TARGET_CC) $(TARGET_GLOBAL_CFLAGS) -print-libgcc-file-name) 77 LIBGCC_EH_FILENAME := $(subst libgcc,libgcc_eh,$(LIBGCC_FILENAME)) 78 TARGET_LIBGCC := $(LIBGCC_EH_FILENAME) $(LIBGCC_FILENAME) 79 endif 80 81 # unless CUSTOM_KERNEL_HEADERS is defined, we're going to use 82 # symlinks located in out/ to point to the appropriate kernel 83 # headers. see 'config/kernel_headers.make' for more details 84 # 85 ifneq ($(CUSTOM_KERNEL_HEADERS),) 86 KERNEL_HEADERS_COMMON := $(CUSTOM_KERNEL_HEADERS) 87 KERNEL_HEADERS_ARCH := $(CUSTOM_KERNEL_HEADERS) 88 else 89 KERNEL_HEADERS_COMMON := $(libc_root)/kernel/common 90 KERNEL_HEADERS_ARCH := $(libc_root)/kernel/arch-$(TARGET_ARCH) 91 endif 92 KERNEL_HEADERS := $(KERNEL_HEADERS_COMMON) $(KERNEL_HEADERS_ARCH) 93 94 TARGET_C_INCLUDES := \ 95 $(libc_root)/arch-sh/include \ 96 $(libc_root)/include \ 97 $(libstdc++_root)/include \ 98 $(KERNEL_HEADERS) \ 99 $(libm_root)/include \ 100 $(libm_root)/include/arch/sh \ 101 $(libthread_db_root)/include 102 103 TARGET_CRTBEGIN_STATIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_static.o 104 TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtbegin_dynamic.o 105 TARGET_CRTEND_O := $(TARGET_OUT_STATIC_LIBRARIES)/crtend_android.o 106 TARGET_CRTBEGIN_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/sobegin.o 107 TARGET_CRTEND_SO_O := $(TARGET_OUT_STATIC_LIBRARIES)/soend.o 108 109 TARGET_STRIP_MODULE:=false 110 111 TARGET_DEFAULT_SYSTEM_SHARED_LIBRARIES := libc libstdc++ libm 112 113 TARGET_CUSTOM_LD_COMMAND := true 114 define transform-o-to-shared-lib-inner 115 $(TARGET_CXX) \ 116 -nostdlib -Wl,-soname,$(notdir $@) -Wl,-T,$(BUILD_SYSTEM)/shlelf.xsc \ 117 -Wl,--gc-sections -Wl,-z,norelro \ 118 -Wl,-shared,-Bsymbolic \ 119 $(PRIVATE_TARGET_GLOBAL_LD_DIRS) \ 120 $(PRIVATE_TARGET_CRTBEGIN_SO_O) \ 121 $(PRIVATE_ALL_OBJECTS) \ 122 -Wl,--whole-archive \ 123 $(call normalize-host-libraries,$(PRIVATE_ALL_WHOLE_STATIC_LIBRARIES)) \ 124 -Wl,--no-whole-archive \ 125 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 126 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 127 -o $@ \ 128 $(PRIVATE_LDFLAGS) \ 129 $(subst -lrt,, $(subst -lpthread,,$(PRIVATE_LDLIBS))) \ 130 $(PRIVATE_TARGET_LIBGCC) \ 131 $(PRIVATE_TARGET_CRTEND_SO_O) 132 endef 133 134 define transform-o-to-executable-inner 135 $(TARGET_CXX) -nostdlib -Bdynamic -Wl,-T,$(BUILD_SYSTEM)/shlelf.x \ 136 -Wl,-dynamic-linker,/system/bin/linker \ 137 -Wl,--gc-sections -Wl,-z,norelro \ 138 -Wl,-z,nocopyreloc \ 139 -o $@ \ 140 $(TARGET_GLOBAL_LD_DIRS) \ 141 -Wl,-rpath-link=$(TARGET_OUT_INTERMEDIATE_LIBRARIES) \ 142 $(call normalize-target-libraries,$(PRIVATE_ALL_SHARED_LIBRARIES)) \ 143 $(TARGET_CRTBEGIN_DYNAMIC_O) \ 144 $(PRIVATE_ALL_OBJECTS) \ 145 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 146 $(PRIVATE_LDFLAGS) \ 147 $(TARGET_LIBGCC) \ 148 $(subst -lrt,, $(subst -lpthread,,$(PRIVATE_LDLIBS))) \ 149 $(TARGET_CRTEND_O) 150 endef 151 152 define transform-o-to-static-executable-inner 153 $(TARGET_CXX) -nostdlib -Bstatic -Wl,-T,$(BUILD_SYSTEM)/shlelf.x \ 154 -Wl,--gc-sections -Wl,-z,norelro \ 155 -o $@ \ 156 $(TARGET_GLOBAL_LD_DIRS) \ 157 $(TARGET_CRTBEGIN_STATIC_O) \ 158 $(PRIVATE_LDFLAGS) \ 159 $(PRIVATE_ALL_OBJECTS) \ 160 $(call normalize-target-libraries,$(PRIVATE_ALL_STATIC_LIBRARIES)) \ 161 $(TARGET_LIBGCC) \ 162 $(subst -lrt,, $(subst -lpthread,,$(PRIVATE_LDLIBS))) \ 163 $(TARGET_CRTEND_O) 164 endef 165
