toolchain/toolchain-external/toolchain-external.mk

   1 ################################################################################
   2 #
   3 # toolchain-external
   4 #
   5 ################################################################################
   6
   7 #
   8 # This package implements the support for external toolchains, i.e
   9 # toolchains that are available pre-built, ready to use. Such toolchain
  10 # may either be readily available on the Web (Linaro, Sourcery
  11 # CodeBench, from processor vendors) or may be built with tools like
  12 # Crosstool-NG or Buildroot itself. So far, we have tested this
  13 # with:
  14 #
  15 #  * Toolchains generated by Crosstool-NG
  16 #  * Toolchains generated by Buildroot
  17 #  * Toolchains provided by Linaro for the ARM and AArch64
  18 #    architectures
  19 #  * Sourcery CodeBench toolchains (from Mentor Graphics) for the ARM,
  20 #    MIPS, PowerPC, x86, x86_64 and NIOS 2 architectures. For the MIPS
  21 #    toolchain, the -muclibc variant isn't supported yet, only the
  22 #    default glibc-based variant is.
  23 #  * Analog Devices toolchains for the Blackfin architecture
  24 #  * Xilinx toolchains for the Microblaze architecture
  25 #  * Synopsys DesignWare toolchains for ARC cores
  26 #
  27 # The basic principle is the following
  28 #
  29 #  1. If the toolchain is not pre-installed, download and extract it
  30 #  in $(TOOLCHAIN_EXTERNAL_INSTALL_DIR). Otherwise,
  31 #  $(TOOLCHAIN_EXTERNAL_INSTALL_DIR) points to were the toolchain has
  32 #  already been installed by the user.
  33 #
  34 #  2. For all external toolchains, perform some checks on the
  35 #  conformity between the toolchain configuration described in the
  36 #  Buildroot menuconfig system, and the real configuration of the
  37 #  external toolchain. This is for example important to make sure that
  38 #  the Buildroot configuration system knows whether the toolchain
  39 #  supports RPC, IPv6, locales, large files, etc. Unfortunately, these
  40 #  things cannot be detected automatically, since the value of these
  41 #  options (such as BR2_TOOLCHAIN_HAS_NATIVE_RPC) are needed at
  42 #  configuration time because these options are used as dependencies
  43 #  for other options. And at configuration time, we are not able to
  44 #  retrieve the external toolchain configuration.
  45 #
  46 #  3. Copy the libraries needed at runtime to the target directory,
  47 #  $(TARGET_DIR). Obviously, things such as the C library, the dynamic
  48 #  loader and a few other utility libraries are needed if dynamic
  49 #  applications are to be executed on the target system.
  50 #
  51 #  4. Copy the libraries and headers to the staging directory. This
  52 #  will allow all further calls to gcc to be made using --sysroot
  53 #  $(STAGING_DIR), which greatly simplifies the compilation of the
  54 #  packages when using external toolchains. So in the end, only the
  55 #  cross-compiler binaries remains external, all libraries and headers
  56 #  are imported into the Buildroot tree.
  57 #
  58 #  5. Build a toolchain wrapper which executes the external toolchain
  59 #  with a number of arguments (sysroot/march/mtune/..) hardcoded,
  60 #  so we're sure the correct configuration is always used and the
  61 #  toolchain behaves similar to an internal toolchain.
  62 #  This toolchain wrapper and symlinks are installed into
  63 #  $(HOST_DIR)/usr/bin like for the internal toolchains, and the rest
  64 #  of Buildroot is handled identical for the 2 toolchain types.
  65
  66 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y)
  67 LIB_EXTERNAL_LIBS += libatomic.so.* libc.so.* libcrypt.so.* libdl.so.* libgcc_s.so.* libm.so.* libnsl.so.* libresolv.so.* librt.so.* libutil.so.*
  68 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC)$(BR2_ARM_EABIHF),yy)
  69 LIB_EXTERNAL_LIBS += ld-linux-armhf.so.*
  70 else
  71 LIB_EXTERNAL_LIBS += ld*.so.*
  72 endif
  73 ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y)
  74 LIB_EXTERNAL_LIBS += libpthread.so.*
  75 ifneq ($(BR2_PACKAGE_GDB)$(BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY),)
  76 LIB_EXTERNAL_LIBS += libthread_db.so.*
  77 endif # gdbserver
  78 endif # ! no threads
  79 endif
  80
  81 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC),y)
  82 LIB_EXTERNAL_LIBS += libnss_files.so.* libnss_dns.so.*
  83 endif
  84
  85 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_MUSL),y)
  86 LIB_EXTERNAL_LIBS += libc.so libgcc_s.so.*
  87 endif
  88
  89 ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
  90 USR_LIB_EXTERNAL_LIBS += libstdc++.so.*
  91 endif
  92
  93 LIB_EXTERNAL_LIBS += $(call qstrip,$(BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS))
  94
  95 # Details about sysroot directory selection.
  96 #
  97 # To find the sysroot directory, we use the trick of looking for the
  98 # 'libc.a' file with the -print-file-name gcc option, and then
  99 # mangling the path to find the base directory of the sysroot.
 100 #
 101 # Note that we do not use the -print-sysroot option, because it is
 102 # only available since gcc 4.4.x, and we only recently dropped support
 103 # for 4.2.x and 4.3.x.
 104 #
 105 # When doing this, we don't pass any option to gcc that could select a
 106 # multilib variant (such as -march) as we want the "main" sysroot,
 107 # which contains all variants of the C library in the case of multilib
 108 # toolchains. We use the TARGET_CC_NO_SYSROOT variable, which is the
 109 # path of the cross-compiler, without the --sysroot=$(STAGING_DIR),
 110 # since what we want to find is the location of the original toolchain
 111 # sysroot. This "main" sysroot directory is stored in SYSROOT_DIR.
 112 #
 113 # Then, multilib toolchains are a little bit more complicated, since
 114 # they in fact have multiple sysroots, one for each variant supported
 115 # by the toolchain. So we need to find the particular sysroot we're
 116 # interested in.
 117 #
 118 # To do so, we ask the compiler where its sysroot is by passing all
 119 # flags (including -march and al.), except the --sysroot flag since we
 120 # want to the compiler to tell us where its original sysroot
 121 # is. ARCH_SUBDIR will contain the subdirectory, in the main
 122 # SYSROOT_DIR, that corresponds to the selected architecture
 123 # variant. ARCH_SYSROOT_DIR will contain the full path to this
 124 # location.
 125 #
 126 # One might wonder why we don't just bother with ARCH_SYSROOT_DIR. The
 127 # fact is that in multilib toolchains, the header files are often only
 128 # present in the main sysroot, and only the libraries are available in
 129 # each variant-specific sysroot directory.
 130
 131
 132 TOOLCHAIN_EXTERNAL_PREFIX = $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_PREFIX))
 133 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD),y)
 134 TOOLCHAIN_EXTERNAL_INSTALL_DIR = $(HOST_DIR)/opt/ext-toolchain
 135 else
 136 TOOLCHAIN_EXTERNAL_INSTALL_DIR = $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_PATH))
 137 endif
 138
 139 ifeq ($(TOOLCHAIN_EXTERNAL_INSTALL_DIR),)
 140 ifneq ($(TOOLCHAIN_EXTERNAL_PREFIX),)
 141 # if no path set, figure it out from path
 142 TOOLCHAIN_EXTERNAL_BIN := $(shell dirname $(shell which $(TOOLCHAIN_EXTERNAL_PREFIX)-gcc))
 143 endif
 144 else
 145 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX),y)
 146 TOOLCHAIN_EXTERNAL_BIN := $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/$(TOOLCHAIN_EXTERNAL_PREFIX)/bin
 147 else
 148 TOOLCHAIN_EXTERNAL_BIN := $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/bin
 149 endif
 150 endif
 151
 152 # If this is a buildroot toolchain, it already has a wrapper which we want to
 153 # bypass. Since this is only evaluated after it has been extracted, we can use
 154 # $(wildcard ...) here.
 155 TOOLCHAIN_EXTERNAL_SUFFIX = \
 156         $(if $(wildcard $(TOOLCHAIN_EXTERNAL_BIN)/*.br_real),.br_real)
 157 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += \
 158         -DBR_CROSS_PATH_SUFFIX='"$(TOOLCHAIN_EXTERNAL_SUFFIX)"'
 159
 160 TOOLCHAIN_EXTERNAL_CROSS = $(TOOLCHAIN_EXTERNAL_BIN)/$(TOOLCHAIN_EXTERNAL_PREFIX)-
 161 TOOLCHAIN_EXTERNAL_CC = $(TOOLCHAIN_EXTERNAL_CROSS)gcc$(TOOLCHAIN_EXTERNAL_SUFFIX)
 162 TOOLCHAIN_EXTERNAL_CXX = $(TOOLCHAIN_EXTERNAL_CROSS)g++$(TOOLCHAIN_EXTERNAL_SUFFIX)
 163 TOOLCHAIN_EXTERNAL_READELF = $(TOOLCHAIN_EXTERNAL_CROSS)readelf$(TOOLCHAIN_EXTERNAL_SUFFIX)
 164
 165 ifeq ($(filter $(HOST_DIR)/%,$(TOOLCHAIN_EXTERNAL_BIN)),)
 166 # TOOLCHAIN_EXTERNAL_BIN points outside HOST_DIR => absolute path
 167 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += \
 168         -DBR_CROSS_PATH_ABS='"$(TOOLCHAIN_EXTERNAL_BIN)"'
 169 else
 170 # TOOLCHAIN_EXTERNAL_BIN points inside HOST_DIR => relative path
 171 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += \
 172         -DBR_CROSS_PATH_REL='"$(TOOLCHAIN_EXTERNAL_BIN:$(HOST_DIR)/%=%)"'
 173 endif
 174
 175 ifeq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),)
 176 CC_TARGET_CPU_ := $(call qstrip,$(BR2_GCC_TARGET_CPU))
 177 else
 178 CC_TARGET_CPU_ := $(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION))
 179 endif
 180 CC_TARGET_ARCH_ := $(call qstrip,$(BR2_GCC_TARGET_ARCH))
 181 CC_TARGET_ABI_ := $(call qstrip,$(BR2_GCC_TARGET_ABI))
 182 CC_TARGET_FPU_ := $(call qstrip,$(BR2_GCC_TARGET_FPU))
 183 CC_TARGET_FLOAT_ABI_ := $(call qstrip,$(BR2_GCC_TARGET_FLOAT_ABI))
 184 CC_TARGET_MODE_ := $(call qstrip,$(BR2_GCC_TARGET_MODE))
 185
 186 # march/mtune/floating point mode needs to be passed to the external toolchain
 187 # to select the right multilib variant
 188 ifeq ($(BR2_x86_64),y)
 189 TOOLCHAIN_EXTERNAL_CFLAGS += -m64
 190 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_64
 191 endif
 192 ifneq ($(CC_TARGET_ARCH_),)
 193 TOOLCHAIN_EXTERNAL_CFLAGS += -march=$(CC_TARGET_ARCH_)
 194 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_ARCH='"$(CC_TARGET_ARCH_)"'
 195 endif
 196 ifneq ($(CC_TARGET_CPU_),)
 197 TOOLCHAIN_EXTERNAL_CFLAGS += -mcpu=$(CC_TARGET_CPU_)
 198 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_CPU='"$(CC_TARGET_CPU_)"'
 199 endif
 200 ifneq ($(CC_TARGET_ABI_),)
 201 TOOLCHAIN_EXTERNAL_CFLAGS += -mabi=$(CC_TARGET_ABI_)
 202 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_ABI='"$(CC_TARGET_ABI_)"'
 203 endif
 204 ifneq ($(CC_TARGET_FPU_),)
 205 TOOLCHAIN_EXTERNAL_CFLAGS += -mfpu=$(CC_TARGET_FPU_)
 206 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_FPU='"$(CC_TARGET_FPU_)"'
 207 endif
 208 ifneq ($(CC_TARGET_FLOAT_ABI_),)
 209 TOOLCHAIN_EXTERNAL_CFLAGS += -mfloat-abi=$(CC_TARGET_FLOAT_ABI_)
 210 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_FLOAT_ABI='"$(CC_TARGET_FLOAT_ABI_)"'
 211 endif
 212 ifneq ($(CC_TARGET_MODE_),)
 213 TOOLCHAIN_EXTERNAL_CFLAGS += -m$(CC_TARGET_MODE_)
 214 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_MODE='"$(CC_TARGET_MODE_)"'
 215 endif
 216 ifeq ($(BR2_BINFMT_FLAT),y)
 217 TOOLCHAIN_EXTERNAL_CFLAGS += -Wl,-elf2flt
 218 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_BINFMT_FLAT
 219 endif
 220 ifeq ($(BR2_mipsel)$(BR2_mips64el),y)
 221 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_MIPS_TARGET_LITTLE_ENDIAN
 222 TOOLCHAIN_EXTERNAL_CFLAGS += -EL
 223 endif
 224 ifeq ($(BR2_mips)$(BR2_mips64),y)
 225 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_MIPS_TARGET_BIG_ENDIAN
 226 TOOLCHAIN_EXTERNAL_CFLAGS += -EB
 227 endif
 228 ifeq ($(BR2_arceb),y)
 229 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_ARC_TARGET_BIG_ENDIAN
 230 TOOLCHAIN_EXTERNAL_CFLAGS += -EB
 231 endif
 232
 233 TOOLCHAIN_EXTERNAL_CFLAGS += $(call qstrip,$(BR2_TARGET_OPTIMIZATION))
 234
 235 ifeq ($(BR2_SOFT_FLOAT),y)
 236 TOOLCHAIN_EXTERNAL_CFLAGS += -msoft-float
 237 TOOLCHAIN_EXTERNAL_TOOLCHAIN_WRAPPER_ARGS += -DBR_SOFTFLOAT=1
 238 endif
 239
 240 # musl does not provide a sys/queue.h implementation, so add the
 241 # netbsd-queue package that will install a sys/queue.h file in the
 242 # staging directory based on the NetBSD implementation.
 243 ifeq ($(BR2_TOOLCHAIN_USES_MUSL),y)
 244 TOOLCHAIN_EXTERNAL_DEPENDENCIES += netbsd-queue
 245 endif
 246
 247 # The Linaro ARMhf toolchain expects the libraries in
 248 # {/usr,}/lib/arm-linux-gnueabihf, but Buildroot copies them to
 249 # {/usr,}/lib, so we need to create a symbolic link.
 250 define TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK
 251         ln -snf . $(TARGET_DIR)/lib/arm-linux-gnueabihf
 252         ln -snf . $(TARGET_DIR)/usr/lib/arm-linux-gnueabihf
 253 endef
 254
 255 define TOOLCHAIN_EXTERNAL_LINARO_ARMEBHF_SYMLINK
 256         ln -snf . $(TARGET_DIR)/lib/armeb-linux-gnueabihf
 257         ln -snf . $(TARGET_DIR)/usr/lib/armeb-linux-gnueabihf
 258 endef
 259
 260 define TOOLCHAIN_EXTERNAL_LINARO_AARCH64_SYMLINK
 261         ln -snf . $(TARGET_DIR)/lib/aarch64-linux-gnu
 262         ln -snf . $(TARGET_DIR)/usr/lib/aarch64-linux-gnu
 263 endef
 264
 265 # Special handling for Blackfin toolchain, because of the split in two
 266 # tarballs, and the organization of tarball contents. The tarballs
 267 # contain ./opt/uClinux/{bfin-uclinux,bfin-linux-uclibc} directories,
 268 # which themselves contain the toolchain. This is why we strip more
 269 # components than usual.
 270 define TOOLCHAIN_EXTERNAL_BLACKFIN_UCLIBC_EXTRA_EXTRACT
 271         $(call suitable-extractor,$(TOOLCHAIN_EXTERNAL_EXTRA_DOWNLOADS)) $(DL_DIR)/$(TOOLCHAIN_EXTERNAL_EXTRA_DOWNLOADS) | \
 272                 $(TAR) --strip-components=3 --hard-dereference -C $(@D) $(TAR_OPTIONS) -
 273 endef
 274
 275 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM),y)
 276 TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/arm-none-linux-gnueabi
 277 TOOLCHAIN_EXTERNAL_SOURCE = arm-2014.05-29-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2
 278 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_ARAGO_ARMV7A),y)
 279 TOOLCHAIN_EXTERNAL_SITE = http://software-dl.ti.com/sdoemb/sdoemb_public_sw/arago_toolchain/2011_09/exports
 280 TOOLCHAIN_EXTERNAL_SOURCE = arago-2011.09-armv7a-linux-gnueabi-sdk.tar.bz2
 281 TOOLCHAIN_EXTERNAL_ACTUAL_SOURCE_TARBALL = arago-toolchain-2011.09-sources.tar.bz2
 282 define TOOLCHAIN_EXTERNAL_FIXUP_CMDS
 283         mv $(@D)/arago-2011.09/armv7a/* $(@D)/
 284         rm -rf $(@D)/arago-2011.09/
 285 endef
 286 TOOLCHAIN_EXTERNAL_POST_EXTRACT_HOOKS += TOOLCHAIN_EXTERNAL_FIXUP_CMDS
 287 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_ARAGO_ARMV5TE),y)
 288 TOOLCHAIN_EXTERNAL_SITE = http://software-dl.ti.com/sdoemb/sdoemb_public_sw/arago_toolchain/2011_09/exports
 289 TOOLCHAIN_EXTERNAL_SOURCE = arago-2011.09-armv5te-linux-gnueabi-sdk.tar.bz2
 290 TOOLCHAIN_EXTERNAL_ACTUAL_SOURCE_TARBALL = arago-toolchain-2011.09-sources.tar.bz2
 291 define TOOLCHAIN_EXTERNAL_FIXUP_CMDS
 292         mv $(@D)/arago-2011.09/armv5te/* $(@D)/
 293         rm -rf $(@D)/arago-2011.09/
 294 endef
 295 TOOLCHAIN_EXTERNAL_POST_EXTRACT_HOOKS += TOOLCHAIN_EXTERNAL_FIXUP_CMDS
 296 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_ARM),y)
 297 ifeq ($(HOSTARCH),x86)
 298 TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/14.09/components/toolchain/binaries
 299 TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-arm-linux-gnueabihf-4.9-2014.09_linux.tar.xz
 300 TOOLCHAIN_EXTERNAL_ACTUAL_SOURCE_TARBALL = gcc-linaro-arm-linux-gnueabihf-4.9-2014.09_src.tar.bz2
 301 TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK
 302 else
 303 TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/components/toolchain/binaries/5.2-2015.11-2/arm-linux-gnueabihf
 304 TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-5.2-2015.11-2-x86_64_arm-linux-gnueabihf.tar.xz
 305 endif
 306 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_ARMEB),y)
 307 ifeq ($(HOSTARCH),x86)
 308 TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/14.09/components/toolchain/binaries
 309 TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-armeb-linux-gnueabihf-4.9-2014.09_linux.tar.xz
 310 TOOLCHAIN_EXTERNAL_ACTUAL_SOURCE_TARBALL = gcc-linaro-armeb-linux-gnueabihf-4.9-2014.09_src.tar.bz2
 311 TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_ARMEBHF_SYMLINK
 312 else
 313 TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/components/toolchain/binaries/5.2-2015.11-2/armeb-linux-gnueabihf
 314 TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-5.2-2015.11-2-x86_64_armeb-linux-gnueabihf.tar.xz
 315 endif
 316 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS),y)
 317 TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/mips-linux-gnu
 318 TOOLCHAIN_EXTERNAL_SOURCE = mips-2015.11-32-mips-linux-gnu-i686-pc-linux-gnu.tar.bz2
 319 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII),y)
 320 TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/nios2-linux-gnu
 321 TOOLCHAIN_EXTERNAL_SOURCE = sourceryg++-2015.11-27-nios2-linux-gnu-i686-pc-linux-gnu.tar.bz2
 322 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC_E500V2),y)
 323 TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/powerpc-mentor-linux-gnu
 324 TOOLCHAIN_EXTERNAL_SOURCE = mentor-2012.03-71-powerpc-mentor-linux-gnu-i686-pc-linux-gnu.tar.bz2
 325 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC),y)
 326 TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/powerpc-linux-gnu
 327 TOOLCHAIN_EXTERNAL_SOURCE = freescale-2011.03-38-powerpc-linux-gnu-i686-pc-linux-gnu.tar.bz2
 328 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH),y)
 329 TOOLCHAIN_EXTERNAL_SITE = https://sourcery.mentor.com/public/gnu_toolchain/sh-linux-gnu
 330 TOOLCHAIN_EXTERNAL_SOURCE = renesas-2012.09-61-sh-linux-gnu-i686-pc-linux-gnu.tar.bz2
 331 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86),y)
 332 TOOLCHAIN_EXTERNAL_SITE = https://sourcery.mentor.com/public/gnu_toolchain/i686-pc-linux-gnu
 333 TOOLCHAIN_EXTERNAL_SOURCE = ia32-2012.09-62-i686-pc-linux-gnu-i386-linux.tar.bz2
 334 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AMD64),y)
 335 TOOLCHAIN_EXTERNAL_SITE = https://sourcery.mentor.com/public/gnu_toolchain/x86_64-amd-linux-gnu
 336 TOOLCHAIN_EXTERNAL_SOURCE = amd-2015.11-36-x86_64-amd-linux-gnu-i686-pc-linux-gnu.tar.bz2
 337 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESCAPE_IMG_MIPS),y)
 338 TOOLCHAIN_EXTERNAL_SITE = http://codescape-mips-sdk.imgtec.com/components/toolchain/2015.06-05
 339 TOOLCHAIN_EXTERNAL_SOURCE = Codescape.GNU.Tools.Package.2015.06-05.for.MIPS.IMG.Linux.CentOS-5.x86.tar.gz
 340 TOOLCHAIN_EXTERNAL_STRIP_COMPONENTS = 2
 341 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESCAPE_MTI_MIPS),y)
 342 TOOLCHAIN_EXTERNAL_SITE = http://codescape-mips-sdk.imgtec.com/components/toolchain/2015.06-05
 343 TOOLCHAIN_EXTERNAL_SOURCE = Codescape.GNU.Tools.Package.2015.06-05.for.MIPS.MTI.Linux.CentOS-5.x86.tar.gz
 344 TOOLCHAIN_EXTERNAL_STRIP_COMPONENTS = 2
 345 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX),y)
 346 TOOLCHAIN_EXTERNAL_SITE = http://downloads.sourceforge.net/project/adi-toolchain/2014R1/2014R1-RC2/i386
 347 TOOLCHAIN_EXTERNAL_SOURCE = blackfin-toolchain-2014R1-RC2.i386.tar.bz2
 348 TOOLCHAIN_EXTERNAL_EXTRA_DOWNLOADS = blackfin-toolchain-uclibc-full-2014R1-RC2.i386.tar.bz2
 349 TOOLCHAIN_EXTERNAL_STRIP_COMPONENTS = 3
 350 TOOLCHAIN_EXTERNAL_POST_EXTRACT_HOOKS += TOOLCHAIN_EXTERNAL_BLACKFIN_UCLIBC_EXTRA_EXTRACT
 351 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64),y)
 352 ifeq ($(HOSTARCH),x86)
 353 TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/14.09/components/toolchain/binaries
 354 TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-aarch64-linux-gnu-4.9-2014.09_linux.tar.xz
 355 TOOLCHAIN_EXTERNAL_ACTUAL_SOURCE_TARBALL = gcc-linaro-aarch64-linux-gnu-4.9-2014.09_src.tar.bz2
 356 TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_AARCH64_SYMLINK
 357 else
 358 TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/components/toolchain/binaries/5.2-2015.11-2/aarch64-linux-gnu
 359 TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-5.2-2015.11-2-x86_64_aarch64-linux-gnu.tar.xz
 360 endif
 361 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_AARCH64),y)
 362 TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/aarch64-linux-gnu
 363 TOOLCHAIN_EXTERNAL_SOURCE = aarch64-2014.05-30-aarch64-linux-gnu-i686-pc-linux-gnu.tar.bz2
 364 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_MUSL_CROSS),y)
 365 TOOLCHAIN_EXTERNAL_VERSION = 1.1.6
 366 TOOLCHAIN_EXTERNAL_SITE = https://googledrive.com/host/0BwnS5DMB0YQ6bDhPZkpOYVFhbk0/musl-$(TOOLCHAIN_EXTERNAL_VERSION)
 367 ifeq ($(BR2_arm)$(BR2_ARM_EABI),yy)
 368 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-arm-linux-musleabi-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 369 else ifeq ($(BR2_arm)$(BR2_ARM_EABIHF),yy)
 370 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-arm-linux-musleabihf-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 371 else ifeq ($(BR2_armeb),y)
 372 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-armeb-linux-musleabi-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 373 else ifeq ($(BR2_i386),y)
 374 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-i486-linux-musl-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 375 else ifeq ($(BR2_microblazebe),y)
 376 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-microblaze-linux-musl-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 377 else ifeq ($(BR2_mips),y)
 378 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-mips-linux-musl-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 379 else ifeq ($(BR2_mipsel),y)
 380 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-mipsel-linux-musl-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 381 else ifeq ($(BR2_powerpc),y)
 382 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-powerpc-linux-musl-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 383 else ifeq ($(BR2_x86_64),y)
 384 TOOLCHAIN_EXTERNAL_SOURCE = crossx86-x86_64-linux-musl-$(TOOLCHAIN_EXTERNAL_VERSION).tar.xz
 385 endif
 386 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_SYNOPSYS_ARC),y)
 387 TOOLCHAIN_EXTERNAL_SITE = https://github.com/foss-for-synopsys-dwc-arc-processors/toolchain/releases/download/arc-2014.12
 388 ifeq ($(BR2_arc750d)$(BR2_arc770d),y)
 389 TOOLCHAIN_EXTERNAL_SYNOPSYS_CORE = arc700
 390 else
 391 TOOLCHAIN_EXTERNAL_SYNOPSYS_CORE = archs
 392 endif
 393 ifeq ($(BR2_arcle),y)
 394 TOOLCHAIN_EXTERNAL_SYNOPSYS_ENDIANESS = le
 395 else
 396 TOOLCHAIN_EXTERNAL_SYNOPSYS_ENDIANESS = be
 397 endif
 398 TOOLCHAIN_EXTERNAL_SOURCE = arc_gnu_2014.12_prebuilt_uclibc_$(TOOLCHAIN_EXTERNAL_SYNOPSYS_ENDIANESS)_$(TOOLCHAIN_EXTERNAL_SYNOPSYS_CORE)_linux_install.tar.gz
 399 else
 400 # Custom toolchain
 401 TOOLCHAIN_EXTERNAL_SITE = $(patsubst %/,%,$(dir $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_URL))))
 402 TOOLCHAIN_EXTERNAL_SOURCE = $(notdir $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_URL)))
 403 # We can't check hashes for custom downloaded toolchains
 404 BR_NO_CHECK_HASH_FOR += $(TOOLCHAIN_EXTERNAL_SOURCE)
 405 endif
 406
 407 # Some toolchain vendors have a regular file naming pattern.
 408 # For them, mass-define _ACTUAL_SOURCE_TARBALL based _SITE.
 409 ifneq ($(findstring sourcery.mentor.com/public/gnu_toolchain,$(TOOLCHAIN_EXTERNAL_SITE)),)
 410 TOOLCHAIN_EXTERNAL_ACTUAL_SOURCE_TARBALL ?= \
 411         $(subst -i686-pc-linux-gnu.tar.bz2,.src.tar.bz2,$(subst -i686-pc-linux-gnu-i386-linux.tar.bz2,-i686-pc-linux-gnu.src.tar.bz2,$(TOOLCHAIN_EXTERNAL_SOURCE)))
 412 endif
 413
 414 # In fact, we don't need to download the toolchain, since it is already
 415 # available on the system, so force the site and source to be empty so
 416 # that nothing will be downloaded/extracted.
 417 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED),y)
 418 TOOLCHAIN_EXTERNAL_SITE =
 419 TOOLCHAIN_EXTERNAL_SOURCE =
 420 endif
 421
 422 TOOLCHAIN_EXTERNAL_ADD_TOOLCHAIN_DEPENDENCY = NO
 423
 424 TOOLCHAIN_EXTERNAL_INSTALL_STAGING = YES
 425
 426 # Normal handling of downloaded toolchain tarball extraction.
 427 ifneq ($(TOOLCHAIN_EXTERNAL_SOURCE),)
 428 TOOLCHAIN_EXTERNAL_EXCLUDES = usr/lib/locale/*
 429
 430 # As a regular package, the toolchain gets extracted in $(@D), but
 431 # since it's actually a fairly special package, we need it to be moved
 432 # into TOOLCHAIN_EXTERNAL_INSTALL_DIR.
 433 define TOOLCHAIN_EXTERNAL_MOVE
 434         rm -rf $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/*
 435         mkdir -p $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)
 436         mv $(@D)/* $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/
 437 endef
 438 TOOLCHAIN_EXTERNAL_POST_EXTRACT_HOOKS += \
 439         TOOLCHAIN_EXTERNAL_MOVE
 440 endif
 441
 442 # Returns the location of the libc.a file for the given compiler + flags
 443 define toolchain_find_libc_a
 444 $$(readlink -f $$(LANG=C $(1) -print-file-name=libc.a))
 445 endef
 446
 447 # Returns the sysroot location for the given compiler + flags. We need
 448 # to handle cases where libc.a is in:
 449 #
 450 #  - lib/
 451 #  - usr/lib/
 452 #  - lib32/
 453 #  - lib64/
 454 #  - lib32-fp/ (Cavium toolchain)
 455 #  - lib64-fp/ (Cavium toolchain)
 456 #  - usr/lib/<tuple>/ (Linaro toolchain)
 457 #
 458 # And variations on these.
 459 define toolchain_find_sysroot
 460 $$(printf $(call toolchain_find_libc_a,$(1)) | sed -r -e 's:(usr/)?lib(32|64)?([^/]*)?/([^/]*/)?libc\.a::')
 461 endef
 462
 463 # Returns the lib subdirectory for the given compiler + flags (i.e
 464 # typically lib32 or lib64 for some toolchains)
 465 define toolchain_find_libdir
 466 $$(printf $(call toolchain_find_libc_a,$(1)) | sed -r -e 's:.*/(usr/)?(lib(32|64)?([^/]*)?)/([^/]*/)?libc.a:\2:')
 467 endef
 468
 469 # Checks for an already installed toolchain: check the toolchain
 470 # location, check that it supports sysroot, and then verify that it
 471 # matches the configuration provided in Buildroot: ABI, C++ support,
 472 # kernel headers version, type of C library and all C library features.
 473 define TOOLCHAIN_EXTERNAL_CONFIGURE_CMDS
 474         $(Q)$(call check_cross_compiler_exists,$(TOOLCHAIN_EXTERNAL_CC))
 475         $(Q)$(call check_unusable_toolchain,$(TOOLCHAIN_EXTERNAL_CC))
 476         $(Q)SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC))" ; \
 477         if test -z "$${SYSROOT_DIR}" ; then \
 478                 @echo "External toolchain doesn't support --sysroot. Cannot use." ; \
 479                 exit 1 ; \
 480         fi ; \
 481         $(call check_kernel_headers_version,\
 482                 $(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC)),\
 483                 $(call qstrip,$(BR2_TOOLCHAIN_HEADERS_AT_LEAST))); \
 484         $(call check_gcc_version,$(TOOLCHAIN_EXTERNAL_CC),\
 485                 $(call qstrip,$(BR2_TOOLCHAIN_GCC_AT_LEAST))); \
 486         if test "$(BR2_arm)" = "y" ; then \
 487                 $(call check_arm_abi,\
 488                         "$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS)",\
 489                         $(TOOLCHAIN_EXTERNAL_READELF)) ; \
 490         fi ; \
 491         if test "$(BR2_INSTALL_LIBSTDCPP)" = "y" ; then \
 492                 $(call check_cplusplus,$(TOOLCHAIN_EXTERNAL_CXX)) ; \
 493         fi ; \
 494         if test "$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC)" = "y" ; then \
 495                 $(call check_uclibc,$${SYSROOT_DIR}) ; \
 496         elif test "$(BR2_TOOLCHAIN_EXTERNAL_MUSL)" = "y" ; then \
 497                 $(call check_musl,$${SYSROOT_DIR}) ; \
 498         else \
 499                 $(call check_glibc,$${SYSROOT_DIR}) ; \
 500         fi
 501 endef
 502
 503 # With the musl C library, the libc.so library directly plays the role
 504 # of the dynamic library loader. We just need to create a symbolic
 505 # link to libc.so with the appropriate name.
 506 ifeq ($(BR2_TOOLCHAIN_EXTERNAL_MUSL),y)
 507 ifeq ($(BR2_i386),y)
 508 MUSL_ARCH = i386
 509 else ifeq ($(BR2_ARM_EABIHF),y)
 510 MUSL_ARCH = armhf
 511 else
 512 MUSL_ARCH = $(ARCH)
 513 endif
 514 define TOOLCHAIN_EXTERNAL_MUSL_LD_LINK
 515         ln -sf libc.so $(TARGET_DIR)/lib/ld-musl-$(MUSL_ARCH).so.1
 516 endef
 517 TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_MUSL_LD_LINK
 518 endif
 519
 520 # Create a symlink from (usr/)$(ARCH_LIB_DIR) to lib.
 521 # Note: the skeleton package additionally creates lib32->lib or lib64->lib
 522 # (as appropriate)
 523 #
 524 # $1: destination directory (TARGET_DIR / STAGING_DIR)
 525 create_lib_symlinks = \
 526        $(Q)DESTDIR="$(strip $1)" ; \
 527        ARCH_LIB_DIR="$(call toolchain_find_libdir,$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \
 528        if [ ! -e "$${DESTDIR}/$${ARCH_LIB_DIR}" -a ! -e "$${DESTDIR}/usr/$${ARCH_LIB_DIR}" ]; then \
 529                ln -snf lib "$${DESTDIR}/$${ARCH_LIB_DIR}" ; \
 530                ln -snf lib "$${DESTDIR}/usr/$${ARCH_LIB_DIR}" ; \
 531        fi
 532
 533 define TOOLCHAIN_EXTERNAL_CREATE_STAGING_LIB_SYMLINK
 534        $(call create_lib_symlinks,$(STAGING_DIR))
 535 endef
 536
 537 define TOOLCHAIN_EXTERNAL_CREATE_TARGET_LIB_SYMLINK
 538        $(call create_lib_symlinks,$(TARGET_DIR))
 539 endef
 540
 541 # Integration of the toolchain into Buildroot: find the main sysroot
 542 # and the variant-specific sysroot, then copy the needed libraries to
 543 # the $(TARGET_DIR) and copy the whole sysroot (libraries and headers)
 544 # to $(STAGING_DIR).
 545 #
 546 # Variables are defined as follows:
 547 #
 548 #  LIBC_A_LOCATION:     location of the libc.a file in the default
 549 #                       multilib variant (allows to find the main
 550 #                       sysroot directory)
 551 #                       Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/usr/lib/libc.a
 552 #
 553 #  SYSROOT_DIR:         the main sysroot directory, deduced from
 554 #                       LIBC_A_LOCATION by removing the
 555 #                       usr/lib[32|64]/libc.a part of the path.
 556 #                       Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/
 557 #
 558 # ARCH_LIBC_A_LOCATION: location of the libc.a file in the selected
 559 #                       multilib variant (taking into account the
 560 #                       CFLAGS). Allows to find the sysroot of the
 561 #                       selected multilib variant.
 562 #                       Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/mips16/soft-float/el/usr/lib/libc.a
 563 #
 564 # ARCH_SYSROOT_DIR:     the sysroot of the selected multilib variant,
 565 #                       deduced from ARCH_LIBC_A_LOCATION by removing
 566 #                       usr/lib[32|64]/libc.a at the end of the path.
 567 #                       Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/mips16/soft-float/el/
 568 #
 569 # ARCH_LIB_DIR:         'lib', 'lib32' or 'lib64' depending on where libraries
 570 #                       are stored. Deduced from ARCH_LIBC_A_LOCATION by
 571 #                       looking at usr/lib??/libc.a.
 572 #                       Ex: lib
 573 #
 574 # ARCH_SUBDIR:          the relative location of the sysroot of the selected
 575 #                       multilib variant compared to the main sysroot.
 576 #                       Ex: mips16/soft-float/el
 577 #
 578 # SUPPORT_LIB_DIR:      some toolchains, such as recent Linaro toolchains,
 579 #                       store GCC support libraries (libstdc++,
 580 #                       libgcc_s, etc.) outside of the sysroot. In
 581 #                       this case, SUPPORT_LIB_DIR is set to a
 582 #                       non-empty value, and points to the directory
 583 #                       where these support libraries are
 584 #                       available. Those libraries will be copied to
 585 #                       our sysroot, and the directory will also be
 586 #                       considered when searching libraries for copy
 587 #                       to the target filesystem.
 588
 589 define TOOLCHAIN_EXTERNAL_INSTALL_TARGET_LIBS
 590         $(Q)SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC))" ; \
 591         if test -z "$${SYSROOT_DIR}" ; then \
 592                 @echo "External toolchain doesn't support --sysroot. Cannot use." ; \
 593                 exit 1 ; \
 594         fi ; \
 595         ARCH_SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \
 596         ARCH_LIB_DIR="$(call toolchain_find_libdir,$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \
 597         SUPPORT_LIB_DIR="" ; \
 598         if test `find $${ARCH_SYSROOT_DIR} -name 'libstdc++.a' | wc -l` -eq 0 ; then \
 599                 LIBSTDCPP_A_LOCATION=$$(LANG=C $(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS) -print-file-name=libstdc++.a) ; \
 600                 if [ -e "$${LIBSTDCPP_A_LOCATION}" ]; then \
 601                         SUPPORT_LIB_DIR=`readlink -f $${LIBSTDCPP_A_LOCATION} | sed -r -e 's:libstdc\+\+\.a::'` ; \
 602                 fi ; \
 603         fi ; \
 604         ARCH_SUBDIR=`echo $${ARCH_SYSROOT_DIR} | sed -r -e "s:^$${SYSROOT_DIR}(.*)/$$:\1:"` ; \
 605         if test -z "$(BR2_STATIC_LIBS)" ; then \
 606                 $(call MESSAGE,"Copying external toolchain libraries to target...") ; \
 607                 for libs in $(LIB_EXTERNAL_LIBS); do \
 608                         $(call copy_toolchain_lib_root,$${ARCH_SYSROOT_DIR},$${SUPPORT_LIB_DIR},$${ARCH_LIB_DIR},$$libs,/lib); \
 609                 done ; \
 610                 for libs in $(USR_LIB_EXTERNAL_LIBS); do \
 611                         $(call copy_toolchain_lib_root,$${ARCH_SYSROOT_DIR},$${SUPPORT_LIB_DIR},$${ARCH_LIB_DIR},$$libs,/usr/lib); \
 612                 done ; \
 613         fi ; \
 614         if test "$(BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY)" = "y"; then \
 615                 $(call MESSAGE,"Copying gdbserver") ; \
 616                 gdbserver_found=0 ; \
 617                 for d in $${ARCH_SYSROOT_DIR}/usr \
 618                          $${ARCH_SYSROOT_DIR}/../debug-root/usr \
 619                          $${ARCH_SYSROOT_DIR}/usr/$${ARCH_LIB_DIR} \
 620                          $(TOOLCHAIN_EXTERNAL_INSTALL_DIR); do \
 621                         if test -f $${d}/bin/gdbserver ; then \
 622                                 install -m 0755 -D $${d}/bin/gdbserver $(TARGET_DIR)/usr/bin/gdbserver ; \
 623                                 gdbserver_found=1 ; \
 624                                 break ; \
 625                         fi ; \
 626                 done ; \
 627                 if [ $${gdbserver_found} -eq 0 ] ; then \
 628                         echo "Could not find gdbserver in external toolchain" ; \
 629                         exit 1 ; \
 630                 fi ; \
 631         fi
 632 endef
 633
 634 define TOOLCHAIN_EXTERNAL_INSTALL_SYSROOT_LIBS
 635         $(Q)SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC))" ; \
 636         if test -z "$${SYSROOT_DIR}" ; then \
 637                 @echo "External toolchain doesn't support --sysroot. Cannot use." ; \
 638                 exit 1 ; \
 639         fi ; \
 640         ARCH_SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \
 641         ARCH_LIB_DIR="$(call toolchain_find_libdir,$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \
 642         SUPPORT_LIB_DIR="" ; \
 643         if test `find $${ARCH_SYSROOT_DIR} -name 'libstdc++.a' | wc -l` -eq 0 ; then \
 644                 LIBSTDCPP_A_LOCATION=$$(LANG=C $(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS) -print-file-name=libstdc++.a) ; \
 645                 if [ -e "$${LIBSTDCPP_A_LOCATION}" ]; then \
 646                         SUPPORT_LIB_DIR=`readlink -f $${LIBSTDCPP_A_LOCATION} | sed -r -e 's:libstdc\+\+\.a::'` ; \
 647                 fi ; \
 648         fi ; \
 649         ARCH_SUBDIR=`echo $${ARCH_SYSROOT_DIR} | sed -r -e "s:^$${SYSROOT_DIR}(.*)/$$:\1:"` ; \
 650         $(call MESSAGE,"Copying external toolchain sysroot to staging...") ; \
 651         $(call copy_toolchain_sysroot,$${SYSROOT_DIR},$${ARCH_SYSROOT_DIR},$${ARCH_SUBDIR},$${ARCH_LIB_DIR},$${SUPPORT_LIB_DIR})
 652 endef
 653
 654 # Special installation target used on the Blackfin architecture when
 655 # FDPIC is not the primary binary format being used, but the user has
 656 # nonetheless requested the installation of the FDPIC libraries to the
 657 # target filesystem.
 658 ifeq ($(BR2_BFIN_INSTALL_FDPIC_SHARED),y)
 659 define TOOLCHAIN_EXTERNAL_INSTALL_BFIN_FDPIC
 660         $(Q)$(call MESSAGE,"Install external toolchain FDPIC libraries to target...") ; \
 661         FDPIC_EXTERNAL_CC=$(dir $(TOOLCHAIN_EXTERNAL_CC))/../../bfin-linux-uclibc/bin/bfin-linux-uclibc-gcc ; \
 662         FDPIC_SYSROOT_DIR="$(call toolchain_find_sysroot,$${FDPIC_EXTERNAL_CC} $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \
 663         FDPIC_LIB_DIR="$(call toolchain_find_libdir,$${FDPIC_EXTERNAL_CC} $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \
 664         FDPIC_SUPPORT_LIB_DIR="" ; \
 665         if test `find $${FDPIC_SYSROOT_DIR} -name 'libstdc++.a' | wc -l` -eq 0 ; then \
 666                 FDPIC_LIBSTDCPP_A_LOCATION=$$(LANG=C $${FDPIC_EXTERNAL_CC} $(TOOLCHAIN_EXTERNAL_CFLAGS) -print-file-name=libstdc++.a) ; \
 667                 if [ -e "$${FDPIC_LIBSTDCPP_A_LOCATION}" ]; then \
 668                         FDPIC_SUPPORT_LIB_DIR=`readlink -f $${FDPIC_LIBSTDCPP_A_LOCATION} | sed -r -e 's:libstdc\+\+\.a::'` ; \
 669                 fi ; \
 670         fi ; \
 671         for libs in $(LIB_EXTERNAL_LIBS); do \
 672                 $(call copy_toolchain_lib_root,$${FDPIC_SYSROOT_DIR},$${FDPIC_SUPPORT_LIB_DIR},$${FDPIC_LIB_DIR},$$libs,/lib); \
 673         done ; \
 674         for libs in $(USR_LIB_EXTERNAL_LIBS); do \
 675                 $(call copy_toolchain_lib_root,$${FDPIC_SYSROOT_DIR},$${FDPIC_SUPPORT_LIB_DIR},$${FDPIC_LIB_DIR},$$libs,/usr/lib); \
 676         done
 677 endef
 678 endif
 679
 680 # Special installation target used on the Blackfin architecture when
 681 # shared FLAT is not the primary format being used, but the user has
 682 # nonetheless requested the installation of the shared FLAT libraries
 683 # to the target filesystem. The flat libraries are found and linked
 684 # according to the index in name "libN.so". Index 1 is reserved for
 685 # the standard C library. Customer libraries can use 4 and above.
 686 ifeq ($(BR2_BFIN_INSTALL_FLAT_SHARED),y)
 687 define TOOLCHAIN_EXTERNAL_INSTALL_BFIN_FLAT
 688         $(Q)$(call MESSAGE,"Install external toolchain FLAT libraries to target...") ; \
 689         FLAT_EXTERNAL_CC=$(dir $(TOOLCHAIN_EXTERNAL_CC))../../bfin-uclinux/bin/bfin-uclinux-gcc ; \
 690         FLAT_LIBC_A_LOCATION=`$${FLAT_EXTERNAL_CC} $(TOOLCHAIN_EXTERNAL_CFLAGS) -mid-shared-library -print-file-name=libc`; \
 691         if [ -f $${FLAT_LIBC_A_LOCATION} -a ! -h $${FLAT_LIBC_A_LOCATION} ] ; then \
 692                 $(INSTALL) -D $${FLAT_LIBC_A_LOCATION} $(TARGET_DIR)/lib/lib1.so; \
 693         fi
 694 endef
 695 endif
 696
 697 # Build toolchain wrapper for preprocessor, C and C++ compiler and setup
 698 # symlinks for everything else. Skip gdb symlink when we are building our
 699 # own gdb to prevent two gdb's in output/host/usr/bin.
 700 # The LTO support in gcc creates wrappers for ar, ranlib and nm which load
 701 # the lto plugin. These wrappers are called *-gcc-ar, *-gcc-ranlib, and
 702 # *-gcc-nm and should be used instead of the real programs when -flto is
 703 # used. However, we should not add the toolchain wrapper for them, and they
 704 # match the *cc-* pattern. Therefore, an additional case is added for *-ar,
 705 # *-ranlib and *-nm.
 706 define TOOLCHAIN_EXTERNAL_INSTALL_WRAPPER
 707         $(Q)cd $(HOST_DIR)/usr/bin; \
 708         for i in $(TOOLCHAIN_EXTERNAL_CROSS)*; do \
 709                 base=$${i##*/}; \
 710                 case "$$base" in \
 711                 *-ar|*-ranlib|*-nm) \
 712                         ln -sf $$(echo $$i | sed 's%^$(HOST_DIR)%../..%') .; \
 713                         ;; \
 714                 *cc|*cc-*|*++|*++-*|*cpp) \
 715                         ln -sf toolchain-wrapper $$base; \
 716                         ;; \
 717                 *gdb|*gdbtui) \
 718                         if test "$(BR2_PACKAGE_HOST_GDB)" != "y"; then \
 719                                 ln -sf $$(echo $$i | sed 's%^$(HOST_DIR)%../..%') .; \
 720                         fi \
 721                         ;; \
 722                 *) \
 723                         ln -sf $$(echo $$i | sed 's%^$(HOST_DIR)%../..%') .; \
 724                         ;; \
 725                 esac; \
 726         done
 727 endef
 728
 729 #
 730 # Generate gdbinit file for use with Buildroot
 731 #
 732 define TOOLCHAIN_EXTERNAL_INSTALL_GDBINIT
 733         $(Q)if test -f $(TARGET_CROSS)gdb ; then \
 734                 $(call MESSAGE,"Installing gdbinit"); \
 735                 $(gen_gdbinit_file); \
 736         fi
 737 endef
 738
 739 # uClibc-ng dynamic loader is called ld-uClibc.so.1, but gcc is not
 740 # patched specifically for uClibc-ng, so it continues to generate
 741 # binaries that expect the dynamic loader to be named ld-uClibc.so.0,
 742 # like with the original uClibc. Therefore, we create an additional
 743 # symbolic link to make uClibc-ng systems work properly.
 744 define TOOLCHAIN_EXTERNAL_FIXUP_UCLIBCNG_LDSO
 745         $(Q)if test -e $(TARGET_DIR)/lib/ld-uClibc.so.1; then \
 746                 ln -sf ld-uClibc.so.1 $(TARGET_DIR)/lib/ld-uClibc.so.0 ; \
 747         fi
 748         $(Q)if test -e $(TARGET_DIR)/lib/ld64-uClibc.so.1; then \
 749                 ln -sf ld64-uClibc.so.1 $(TARGET_DIR)/lib/ld64-uClibc.so.0 ; \
 750         fi
 751 endef
 752
 753 TOOLCHAIN_EXTERNAL_BUILD_CMDS = $(TOOLCHAIN_BUILD_WRAPPER)
 754
 755 define TOOLCHAIN_EXTERNAL_INSTALL_STAGING_CMDS
 756         $(TOOLCHAIN_EXTERNAL_CREATE_STAGING_LIB_SYMLINK)
 757         $(TOOLCHAIN_EXTERNAL_INSTALL_SYSROOT_LIBS)
 758         $(TOOLCHAIN_EXTERNAL_INSTALL_WRAPPER)
 759         $(TOOLCHAIN_EXTERNAL_INSTALL_GDBINIT)
 760 endef
 761
 762 # Even though we're installing things in both the staging, the host
 763 # and the target directory, we do everything within the
 764 # install-staging step, arbitrarily.
 765 define TOOLCHAIN_EXTERNAL_INSTALL_TARGET_CMDS
 766         $(TOOLCHAIN_EXTERNAL_CREATE_TARGET_LIB_SYMLINK)
 767         $(TOOLCHAIN_EXTERNAL_INSTALL_TARGET_LIBS)
 768         $(TOOLCHAIN_EXTERNAL_INSTALL_BFIN_FDPIC)
 769         $(TOOLCHAIN_EXTERNAL_INSTALL_BFIN_FLAT)
 770         $(TOOLCHAIN_EXTERNAL_FIXUP_UCLIBCNG_LDSO)
 771 endef
 772
 773 $(eval $(generic-package))