################################################################################ # # toolchain-external # ################################################################################ # # This package implements the support for external toolchains, i.e # toolchains that have not been produced by Buildroot itself and that # Buildroot can download from the Web or that are already available on # the system on which Buildroot runs. So far, we have tested this # with: # # * Toolchains generated by Crosstool-NG # * Toolchains generated by Buildroot # * Toolchains provided by Linaro for the ARM and AArch64 # architectures # * Sourcery CodeBench toolchains (from Mentor Graphics) for the ARM, # MIPS, PowerPC, x86, x86_64 and NIOS 2 architectures. For the MIPS # toolchain, the -muclibc variant isn't supported yet, only the # default glibc-based variant is. # * Analog Devices toolchains for the Blackfin architecture # * Xilinx toolchains for the Microblaze architecture # # The basic principle is the following # # 1. If the toolchain is not pre-installed, download and extract it # in $(TOOLCHAIN_EXTERNAL_INSTALL_DIR). Otherwise, # $(TOOLCHAIN_EXTERNAL_INSTALL_DIR) points to were the toolchain has # already been installed by the user. # # 2. For all external toolchains, perform some checks on the # conformity between the toolchain configuration described in the # Buildroot menuconfig system, and the real configuration of the # external toolchain. This is for example important to make sure that # the Buildroot configuration system knows whether the toolchain # supports RPC, IPv6, locales, large files, etc. Unfortunately, these # things cannot be detected automatically, since the value of these # options (such as BR2_TOOLCHAIN_HAS_NATIVE_RPC) are needed at # configuration time because these options are used as dependencies # for other options. And at configuration time, we are not able to # retrieve the external toolchain configuration. # # 3. Copy the libraries needed at runtime to the target directory, # $(TARGET_DIR). Obviously, things such as the C library, the dynamic # loader and a few other utility libraries are needed if dynamic # applications are to be executed on the target system. # # 4. Copy the libraries and headers to the staging directory. This # will allow all further calls to gcc to be made using --sysroot # $(STAGING_DIR), which greatly simplifies the compilation of the # packages when using external toolchains. So in the end, only the # cross-compiler binaries remains external, all libraries and headers # are imported into the Buildroot tree. # # 5. Build a toolchain wrapper which executes the external toolchain # with a number of arguments (sysroot/march/mtune/..) hardcoded, # so we're sure the correct configuration is always used and the # toolchain behaves similar to an internal toolchain. # This toolchain wrapper and symlinks are installed into # $(HOST_DIR)/usr/bin like for the internal toolchains, and the rest # of Buildroot is handled identical for the 2 toolchain types. ifeq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y) LIB_EXTERNAL_LIBS+=libc.so.* libcrypt.so.* libdl.so.* libgcc_s.so.* libm.so.* libnsl.so.* libresolv.so.* librt.so.* libutil.so.* ifeq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC)$(BR2_ARM_EABIHF),yy) LIB_EXTERNAL_LIBS+=ld-linux-armhf.so.* else LIB_EXTERNAL_LIBS+=ld*.so.* endif ifeq ($(BR2_TOOLCHAIN_HAS_THREADS),y) LIB_EXTERNAL_LIBS+=libpthread.so.* ifneq ($(BR2_PACKAGE_GDB)$(BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY),) LIB_EXTERNAL_LIBS+=libthread_db.so.* endif # gdbserver endif # ! no threads endif ifeq ($(BR2_TOOLCHAIN_EXTERNAL_GLIBC),y) LIB_EXTERNAL_LIBS+=libnss_files.so.* libnss_dns.so.* endif ifeq ($(BR2_TOOLCHAIN_EXTERNAL_MUSL),y) LIB_EXTERNAL_LIBS += libc.so libgcc_s.so.* endif ifeq ($(BR2_INSTALL_LIBSTDCPP),y) USR_LIB_EXTERNAL_LIBS+=libstdc++.so.* endif LIB_EXTERNAL_LIBS+=$(call qstrip,$(BR2_TOOLCHAIN_EXTRA_EXTERNAL_LIBS)) # Details about sysroot directory selection. # # To find the sysroot directory, we use the trick of looking for the # 'libc.a' file with the -print-file-name gcc option, and then # mangling the path to find the base directory of the sysroot. # # Note that we do not use the -print-sysroot option, because it is # only available since gcc 4.4.x, and we still support 4.2.x (for # AVR32) and 4.3.x. # # When doing this, we don't pass any option to gcc that could select a # multilib variant (such as -march) as we want the "main" sysroot, # which contains all variants of the C library in the case of multilib # toolchains. We use the TARGET_CC_NO_SYSROOT variable, which is the # path of the cross-compiler, without the --sysroot=$(STAGING_DIR), # since what we want to find is the location of the original toolchain # sysroot. This "main" sysroot directory is stored in SYSROOT_DIR. # # Then, multilib toolchains are a little bit more complicated, since # they in fact have multiple sysroots, one for each variant supported # by the toolchain. So we need to find the particular sysroot we're # interested in. # # To do so, we ask the compiler where its sysroot is by passing all # flags (including -march and al.), except the --sysroot flag since we # want to the compiler to tell us where its original sysroot # is. ARCH_SUBDIR will contain the subdirectory, in the main # SYSROOT_DIR, that corresponds to the selected architecture # variant. ARCH_SYSROOT_DIR will contain the full path to this # location. # # One might wonder why we don't just bother with ARCH_SYSROOT_DIR. The # fact is that in multilib toolchains, the header files are often only # present in the main sysroot, and only the libraries are available in # each variant-specific sysroot directory. TOOLCHAIN_EXTERNAL_PREFIX=$(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_PREFIX)) ifeq ($(BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD),y) TOOLCHAIN_EXTERNAL_INSTALL_DIR=$(HOST_DIR)/opt/ext-toolchain else TOOLCHAIN_EXTERNAL_INSTALL_DIR=$(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_PATH)) endif ifeq ($(TOOLCHAIN_EXTERNAL_INSTALL_DIR),) ifneq ($(TOOLCHAIN_EXTERNAL_PREFIX),) # if no path set, figure it out from path TOOLCHAIN_EXTERNAL_BIN := $(shell dirname $(shell which $(TOOLCHAIN_EXTERNAL_PREFIX)-gcc)) endif else ifeq ($(BR2_bfin),y) TOOLCHAIN_EXTERNAL_BIN := $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/$(TOOLCHAIN_EXTERNAL_PREFIX)/bin else TOOLCHAIN_EXTERNAL_BIN := $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/bin endif endif TOOLCHAIN_EXTERNAL_CROSS=$(TOOLCHAIN_EXTERNAL_BIN)/$(TOOLCHAIN_EXTERNAL_PREFIX)- TOOLCHAIN_EXTERNAL_CC=$(TOOLCHAIN_EXTERNAL_CROSS)gcc TOOLCHAIN_EXTERNAL_CXX=$(TOOLCHAIN_EXTERNAL_CROSS)g++ TOOLCHAIN_EXTERNAL_READELF=$(TOOLCHAIN_EXTERNAL_CROSS)readelf TOOLCHAIN_EXTERNAL_WRAPPER_ARGS = -DBR_SYSROOT='"$(STAGING_SUBDIR)"' ifeq ($(filter $(HOST_DIR)/%,$(TOOLCHAIN_EXTERNAL_BIN)),) # TOOLCHAIN_EXTERNAL_BIN points outside HOST_DIR => absolute path TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += \ -DBR_CROSS_PATH_ABS='"$(TOOLCHAIN_EXTERNAL_BIN)"' else # TOOLCHAIN_EXTERNAL_BIN points inside HOST_DIR => relative path TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += \ -DBR_CROSS_PATH_REL='"$(TOOLCHAIN_EXTERNAL_BIN:$(HOST_DIR)/%=%)"' endif CC_TARGET_TUNE_:=$(call qstrip,$(BR2_GCC_TARGET_TUNE)) ifeq ($(call qstrip,$(BR2_GCC_TARGET_CPU_REVISION)),) CC_TARGET_CPU_:=$(call qstrip,$(BR2_GCC_TARGET_CPU)) else CC_TARGET_CPU_:=$(call qstrip,$(BR2_GCC_TARGET_CPU)-$(BR2_GCC_TARGET_CPU_REVISION)) endif CC_TARGET_ARCH_:=$(call qstrip,$(BR2_GCC_TARGET_ARCH)) CC_TARGET_ABI_:=$(call qstrip,$(BR2_GCC_TARGET_ABI)) CC_TARGET_FPU_:=$(call qstrip,$(BR2_GCC_TARGET_FPU)) CC_TARGET_FLOAT_ABI_:=$(call qstrip,$(BR2_GCC_TARGET_FLOAT_ABI)) CC_TARGET_MODE_:=$(call qstrip,$(BR2_GCC_TARGET_MODE)) # march/mtune/floating point mode needs to be passed to the external toolchain # to select the right multilib variant ifeq ($(BR2_x86_64),y) TOOLCHAIN_EXTERNAL_CFLAGS += -m64 TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_64 endif ifneq ($(CC_TARGET_TUNE_),) TOOLCHAIN_EXTERNAL_CFLAGS += -mtune=$(CC_TARGET_TUNE_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_TUNE='"$(CC_TARGET_TUNE_)"' endif ifneq ($(CC_TARGET_ARCH_),) TOOLCHAIN_EXTERNAL_CFLAGS += -march=$(CC_TARGET_ARCH_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_ARCH='"$(CC_TARGET_ARCH_)"' endif ifneq ($(CC_TARGET_CPU_),) TOOLCHAIN_EXTERNAL_CFLAGS += -mcpu=$(CC_TARGET_CPU_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_CPU='"$(CC_TARGET_CPU_)"' endif ifneq ($(CC_TARGET_ABI_),) TOOLCHAIN_EXTERNAL_CFLAGS += -mabi=$(CC_TARGET_ABI_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_ABI='"$(CC_TARGET_ABI_)"' endif ifneq ($(CC_TARGET_FPU_),) TOOLCHAIN_EXTERNAL_CFLAGS += -mfpu=$(CC_TARGET_FPU_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_FPU='"$(CC_TARGET_FPU_)"' endif ifneq ($(CC_TARGET_FLOAT_ABI_),) TOOLCHAIN_EXTERNAL_CFLAGS += -mfloat-abi=$(CC_TARGET_FLOAT_ABI_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_FLOAT_ABI='"$(CC_TARGET_FLOAT_ABI_)"' endif ifneq ($(CC_TARGET_MODE_),) TOOLCHAIN_EXTERNAL_CFLAGS += -m$(CC_TARGET_MODE_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_MODE='"$(CC_TARGET_MODE_)"' endif ifeq ($(BR2_BINFMT_FLAT),y) TOOLCHAIN_EXTERNAL_CFLAGS += -Wl,-elf2flt TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_BINFMT_FLAT endif ifeq ($(BR2_mipsel)$(BR2_mips64el),y) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_MIPS_TARGET_LITTLE_ENDIAN TOOLCHAIN_EXTERNAL_CFLAGS += -EL endif ifeq ($(BR2_mips)$(BR2_mips64),y) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_MIPS_TARGET_BIG_ENDIAN TOOLCHAIN_EXTERNAL_CFLAGS += -EB endif ifneq ($(BR2_TARGET_OPTIMIZATION),) TOOLCHAIN_EXTERNAL_CFLAGS += $(call qstrip,$(BR2_TARGET_OPTIMIZATION)) # We create a list like '"-mfoo", "-mbar", "-mbarfoo"' so that each # flag is a separate argument when used in execv() by the external # toolchain wrapper. TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_ADDITIONAL_CFLAGS='$(foreach f,$(call qstrip,$(BR2_TARGET_OPTIMIZATION)),"$(f)",)' endif ifeq ($(BR2_SOFT_FLOAT),y) TOOLCHAIN_EXTERNAL_CFLAGS += -msoft-float TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_SOFTFLOAT=1 endif # The Linaro ARMhf toolchain expects the libraries in # {/usr,}/lib/arm-linux-gnueabihf, but Buildroot copies them to # {/usr,}/lib, so we need to create a symbolic link. define TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK ln -sf . $(TARGET_DIR)/lib/arm-linux-gnueabihf ln -sf . $(TARGET_DIR)/usr/lib/arm-linux-gnueabihf endef ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201203),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/arm-none-linux-gnueabi/ TOOLCHAIN_EXTERNAL_SOURCE = arm-2012.03-57-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201305),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/arm-none-linux-gnueabi/ TOOLCHAIN_EXTERNAL_SOURCE = arm-2013.05-24-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_ARM201311),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/arm-none-linux-gnueabi/ TOOLCHAIN_EXTERNAL_SOURCE = arm-2013.11-33-arm-none-linux-gnueabi-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_ARAGO_ARMV7A_201109),y) TOOLCHAIN_EXTERNAL_SITE = http://software-dl.ti.com/sdoemb/sdoemb_public_sw/arago_toolchain/2011_09/exports/ TOOLCHAIN_EXTERNAL_SOURCE = arago-2011.09-armv7a-linux-gnueabi-sdk.tar.bz2 define TOOLCHAIN_EXTERNAL_FIXUP_CMDS mv $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/arago-2011.09/armv7a/* $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/ rm -rf $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/arago-2011.09/ endef else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_ARAGO_ARMV5TE_201109),y) TOOLCHAIN_EXTERNAL_SITE = http://software-dl.ti.com/sdoemb/sdoemb_public_sw/arago_toolchain/2011_09/exports/ TOOLCHAIN_EXTERNAL_SOURCE = arago-2011.09-armv5te-linux-gnueabi-sdk.tar.bz2 define TOOLCHAIN_EXTERNAL_FIXUP_CMDS mv $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/arago-2011.09/armv5te/* $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/ rm -rf $(TOOLCHAIN_EXTERNAL_INSTALL_DIR)/arago-2011.09/ endef else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_2013_09),y) TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/13.09/components/toolchain/binaries/ TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-arm-linux-gnueabihf-4.8-2013.09_linux.tar.xz TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_2013_10),y) TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/13.10/components/toolchain/binaries/ TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-arm-linux-gnueabihf-4.8-2013.10_linux.tar.xz TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_2013_11),y) TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/13.11/components/toolchain/binaries/ TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-arm-linux-gnueabihf-4.8-2013.11_linux.tar.xz TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_LINARO_ARMHF_SYMLINK else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS201209),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/mips-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = mips-2012.09-99-mips-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS201305),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/mips-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = mips-2013.05-66-mips-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_MIPS201311),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/mips-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = mips-2013.11-36-mips-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_NIOSII201305),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/nios2-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = sourceryg++-2013.05-43-nios2-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC201009),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/powerpc-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = freescale-2010.09-55-powerpc-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_POWERPC201103),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/powerpc-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = freescale-2011.03-38-powerpc-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH201103),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/sh-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = renesas-2011.03-37-sh-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH201203),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/sh-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = renesas-2012.03-35-sh-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH201209),y) TOOLCHAIN_EXTERNAL_SITE = https://sourcery.mentor.com/public/gnu_toolchain/sh-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = renesas-2012.09-61-sh-linux-gnu-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH2A_201009),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/sh-uclinux/ TOOLCHAIN_EXTERNAL_SOURCE = renesas-2010.09-60-sh-uclinux-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_SH2A_201103),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/sh-uclinux/ TOOLCHAIN_EXTERNAL_SOURCE = renesas-2011.03-36-sh-uclinux-i686-pc-linux-gnu.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201109),y) TOOLCHAIN_EXTERNAL_SITE = https://sourcery.mentor.com/public/gnu_toolchain/i686-pc-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = ia32-2011.09-24-i686-pc-linux-gnu-i386-linux.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201203),y) TOOLCHAIN_EXTERNAL_SITE = http://sourcery.mentor.com/public/gnu_toolchain/i686-pc-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = ia32-2012.03-27-i686-pc-linux-gnu-i386-linux.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201209),y) TOOLCHAIN_EXTERNAL_SITE = https://sourcery.mentor.com/public/gnu_toolchain/i686-pc-linux-gnu/ TOOLCHAIN_EXTERNAL_SOURCE = ia32-2012.09-62-i686-pc-linux-gnu-i386-linux.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R1),y) TOOLCHAIN_EXTERNAL_SITE = http://downloads.sourceforge.net/projects/adi-toolchain/files/2012R1-BF60X/2012R1-RC2-BF60X/i386/ TOOLCHAIN_EXTERNAL_SOURCE = blackfin-toolchain-2012R1-RC2.i386.tar.bz2 TOOLCHAIN_EXTERNAL_EXTRA_DOWNLOADS = blackfin-toolchain-uclibc-full-2012R1-RC2.i386.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2),y) TOOLCHAIN_EXTERNAL_SITE = http://downloads.sourceforge.net/project/adi-toolchain/2012R2/2012R2-RC2/i386/ TOOLCHAIN_EXTERNAL_SOURCE = blackfin-toolchain-2012R2-RC2.i386.tar.bz2 TOOLCHAIN_EXTERNAL_EXTRA_DOWNLOADS = blackfin-toolchain-uclibc-full-2012R2-RC2.i386.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2013R1),y) TOOLCHAIN_EXTERNAL_SITE = http://downloads.sourceforge.net/project/adi-toolchain/2013R1/2013R1-RC1/i386/ TOOLCHAIN_EXTERNAL_SOURCE = blackfin-toolchain-2013R1-RC1.i386.tar.bz2 TOOLCHAIN_EXTERNAL_EXTRA_DOWNLOADS = blackfin-toolchain-uclibc-full-2013R1-RC1.i386.tar.bz2 else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_14_3),y) TOOLCHAIN_EXTERNAL_SITE = http://sources.buildroot.net/ TOOLCHAIN_EXTERNAL_SOURCE = lin32-microblazeel-unknown-linux-gnu_14.3_early.tar.xz else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_V2),y) TOOLCHAIN_EXTERNAL_SITE = http://sources.buildroot.net/ TOOLCHAIN_EXTERNAL_SOURCE = microblazeel-unknown-linux-gnu.tgz else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEBE_14_3),y) TOOLCHAIN_EXTERNAL_SITE = http://sources.buildroot.net/ TOOLCHAIN_EXTERNAL_SOURCE = lin32-microblaze-unknown-linux-gnu_14.3_early.tar.xz else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEBE_V2),y) TOOLCHAIN_EXTERNAL_SITE = http://sources.buildroot.net/ TOOLCHAIN_EXTERNAL_SOURCE = microblaze-unknown-linux-gnu.tgz else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64_13_09),y) TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/13.09/components/toolchain/binaries/ TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-aarch64-linux-gnu-4.8-2013.09_linux.tar.xz else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64_13_10),y) TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/13.10/components/toolchain/binaries/ TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-aarch64-linux-gnu-4.8-2013.10-1_linux.tar.xz else ifeq ($(BR2_TOOLCHAIN_EXTERNAL_LINARO_AARCH64_13_11),y) TOOLCHAIN_EXTERNAL_SITE = http://releases.linaro.org/13.11/components/toolchain/binaries/ TOOLCHAIN_EXTERNAL_SOURCE = gcc-linaro-aarch64-linux-gnu-4.8-2013.11_linux.tar.xz else # Custom toolchain TOOLCHAIN_EXTERNAL_SITE = $(dir $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_URL))) TOOLCHAIN_EXTERNAL_SOURCE = $(notdir $(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_URL))) endif # In fact, we don't need to download the toolchain, since it is already # available on the system, so force the site and source to be empty so # that nothing will be downloaded/extracted. ifeq ($(BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED),y) TOOLCHAIN_EXTERNAL_SITE = TOOLCHAIN_EXTERNAL_SOURCE = endif TOOLCHAIN_EXTERNAL_INSTALL_STAGING = YES ifeq ($(BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R1)$(BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2)$(BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2013R1),y) # Special handling for Blackfin toolchain, because of the split in two # tarballs, and the organization of tarball contents. The tarballs # contain ./opt/uClinux/{bfin-uclinux,bfin-linux-uclibc} directories, # which themselves contain the toolchain. This is why we strip more # components than usual. define TOOLCHAIN_EXTERNAL_EXTRACT_CMDS mkdir -p $(TOOLCHAIN_EXTERNAL_INSTALL_DIR) $(call suitable-extractor,$(TOOLCHAIN_EXTERNAL_SOURCE)) $(DL_DIR)/$(TOOLCHAIN_EXTERNAL_SOURCE) | \ $(TAR) $(TAR_STRIP_COMPONENTS)=3 --hard-dereference -C $(TOOLCHAIN_EXTERNAL_INSTALL_DIR) $(TAR_OPTIONS) - $(call suitable-extractor,$(TOOLCHAIN_EXTERNAL_EXTRA_DOWNLOADS)) $(DL_DIR)/$(TOOLCHAIN_EXTERNAL_EXTRA_DOWNLOADS) | \ $(TAR) $(TAR_STRIP_COMPONENTS)=3 --hard-dereference -C $(TOOLCHAIN_EXTERNAL_INSTALL_DIR) $(TAR_OPTIONS) - endef else ifneq ($(TOOLCHAIN_EXTERNAL_SOURCE),) # Normal handling of toolchain tarball extraction. define TOOLCHAIN_EXTERNAL_EXTRACT_CMDS mkdir -p $(TOOLCHAIN_EXTERNAL_INSTALL_DIR) $(call suitable-extractor,$(TOOLCHAIN_EXTERNAL_SOURCE)) $(DL_DIR)/$(TOOLCHAIN_EXTERNAL_SOURCE) | \ $(TAR) $(TAR_STRIP_COMPONENTS)=1 --exclude='usr/lib/locale/*' -C $(TOOLCHAIN_EXTERNAL_INSTALL_DIR) $(TAR_OPTIONS) - $(TOOLCHAIN_EXTERNAL_FIXUP_CMDS) endef endif # Returns the location of the libc.a file for the given compiler + flags define toolchain_find_libc_a $$(readlink -f $$(LANG=C $(1) -print-file-name=libc.a)) endef # Returns the sysroot location for the given compiler + flags define toolchain_find_sysroot $$(echo -n $(call toolchain_find_libc_a,$(1)) | sed -r -e 's:(usr/)?lib(32|64)?/([^/]*/)?libc\.a::') endef # Returns the lib subdirectory for the given compiler + flags (i.e # typically lib32 or lib64 for some toolchains) define toolchain_find_libdir $$(echo -n $(call toolchain_find_libc_a,$(1)) | sed -r -e 's:.*/(usr/)?(lib(32|64)?)/([^/]*/)?libc.a:\2:') endef # Checks for an already installed toolchain: check the toolchain # location, check that it supports sysroot, and then verify that it # matches the configuration provided in Buildroot: ABI, C++ support, # type of C library and all C library features. define TOOLCHAIN_EXTERNAL_CONFIGURE_CMDS $(Q)$(call check_cross_compiler_exists,$(TOOLCHAIN_EXTERNAL_CC)) $(Q)$(call check_unusable_toolchain,$(TOOLCHAIN_EXTERNAL_CC)) $(Q)SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC))" ; \ if test -z "$${SYSROOT_DIR}" ; then \ @echo "External toolchain doesn't support --sysroot. Cannot use." ; \ exit 1 ; \ fi ; \ if test "$(BR2_arm)" = "y" ; then \ $(call check_arm_abi,\ "$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS)",\ $(TOOLCHAIN_EXTERNAL_READELF)) ; \ fi ; \ if test "$(BR2_INSTALL_LIBSTDCPP)" = "y" ; then \ $(call check_cplusplus,$(TOOLCHAIN_EXTERNAL_CXX)) ; \ fi ; \ if test "$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC)" = "y" ; then \ $(call check_uclibc,$${SYSROOT_DIR}) ; \ elif test "$(BR2_TOOLCHAIN_EXTERNAL_MUSL)" = "y" ; then \ $(call check_musl,$${SYSROOT_DIR}) ; \ else \ $(call check_glibc,$${SYSROOT_DIR}) ; \ fi endef # With the musl C library, the libc.so library directly plays the role # of the dynamic library loader. We just need to create a symbolic # link to libc.so with the appropriate name. ifeq ($(BR2_TOOLCHAIN_EXTERNAL_MUSL),y) define TOOLCHAIN_EXTERNAL_MUSL_LD_LINK ln -sf libc.so $(TARGET_DIR)/lib/ld-musl-$(ARCH).so.1 endef TOOLCHAIN_EXTERNAL_POST_INSTALL_STAGING_HOOKS += TOOLCHAIN_EXTERNAL_MUSL_LD_LINK endif # Integration of the toolchain into Buildroot: find the main sysroot # and the variant-specific sysroot, then copy the needed libraries to # the $(TARGET_DIR) and copy the whole sysroot (libraries and headers) # to $(STAGING_DIR). # # Variables are defined as follows: # # LIBC_A_LOCATION: location of the libc.a file in the default # multilib variant (allows to find the main # sysroot directory) # Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/usr/lib/libc.a # # SYSROOT_DIR: the main sysroot directory, deduced from # LIBC_A_LOCATION by removing the # usr/lib[32|64]/libc.a part of the path. # Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/ # # ARCH_LIBC_A_LOCATION: location of the libc.a file in the selected # multilib variant (taking into account the # CFLAGS). Allows to find the sysroot of the # selected multilib variant. # Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/mips16/soft-float/el/usr/lib/libc.a # # ARCH_SYSROOT_DIR: the sysroot of the selected multilib variant, # deduced from ARCH_LIBC_A_LOCATION by removing # usr/lib[32|64]/libc.a at the end of the path. # Ex: /x-tools/mips-2011.03/mips-linux-gnu/libc/mips16/soft-float/el/ # # ARCH_LIB_DIR: 'lib', 'lib32' or 'lib64' depending on where libraries # are stored. Deduced from ARCH_LIBC_A_LOCATION by # looking at usr/lib??/libc.a. # Ex: lib # # ARCH_SUBDIR: the relative location of the sysroot of the selected # multilib variant compared to the main sysroot. # Ex: mips16/soft-float/el # # SUPPORT_LIB_DIR: some toolchains, such as recent Linaro toolchains, # store GCC support libraries (libstdc++, # libgcc_s, etc.) outside of the sysroot. In # this case, SUPPORT_LIB_DIR is set to a # non-empty value, and points to the directory # where these support libraries are # available. Those libraries will be copied to # our sysroot, and the directory will also be # considered when searching libraries for copy # to the target filesystem. define TOOLCHAIN_EXTERNAL_INSTALL_CORE $(Q)SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC))" ; \ if test -z "$${SYSROOT_DIR}" ; then \ @echo "External toolchain doesn't support --sysroot. Cannot use." ; \ exit 1 ; \ fi ; \ ARCH_SYSROOT_DIR="$(call toolchain_find_sysroot,$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \ ARCH_LIB_DIR="$(call toolchain_find_libdir,$(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \ SUPPORT_LIB_DIR="" ; \ if test `find $${ARCH_SYSROOT_DIR} -name 'libstdc++.a' | wc -l` -eq 0 ; then \ LIBSTDCPP_A_LOCATION=$$(LANG=C $(TOOLCHAIN_EXTERNAL_CC) $(TOOLCHAIN_EXTERNAL_CFLAGS) -print-file-name=libstdc++.a) ; \ if [ -e "$${LIBSTDCPP_A_LOCATION}" ]; then \ SUPPORT_LIB_DIR=`readlink -f $${LIBSTDCPP_A_LOCATION} | sed -r -e 's:libstdc\+\+\.a::'` ; \ fi ; \ fi ; \ ARCH_SUBDIR=`echo $${ARCH_SYSROOT_DIR} | sed -r -e "s:^$${SYSROOT_DIR}(.*)/$$:\1:"` ; \ if test -z "$(BR2_PREFER_STATIC_LIB)" ; then \ $(call MESSAGE,"Copying external toolchain libraries to target...") ; \ for libs in $(LIB_EXTERNAL_LIBS); do \ $(call copy_toolchain_lib_root,$${ARCH_SYSROOT_DIR},$${SUPPORT_LIB_DIR},$${ARCH_LIB_DIR},$$libs,/lib); \ done ; \ for libs in $(USR_LIB_EXTERNAL_LIBS); do \ $(call copy_toolchain_lib_root,$${ARCH_SYSROOT_DIR},$${SUPPORT_LIB_DIR},$${ARCH_LIB_DIR},$$libs,/usr/lib); \ done ; \ fi ; \ $(call MESSAGE,"Copying external toolchain sysroot to staging...") ; \ $(call copy_toolchain_sysroot,$${SYSROOT_DIR},$${ARCH_SYSROOT_DIR},$${ARCH_SUBDIR},$${ARCH_LIB_DIR},$${SUPPORT_LIB_DIR}) ; \ if test "$(BR2_TOOLCHAIN_EXTERNAL_GDB_SERVER_COPY)" = "y"; then \ $(call MESSAGE,"Copying gdbserver") ; \ gdbserver_found=0 ; \ for d in $${ARCH_SYSROOT_DIR}/usr $${ARCH_SYSROOT_DIR}/../debug-root/usr $${ARCH_SYSROOT_DIR}/usr/$${ARCH_LIB_DIR} ; do \ if test -f $${d}/bin/gdbserver ; then \ install -m 0755 -D $${d}/bin/gdbserver $(TARGET_DIR)/usr/bin/gdbserver ; \ gdbserver_found=1 ; \ break ; \ fi ; \ done ; \ if [ $${gdbserver_found} -eq 0 ] ; then \ echo "Could not find gdbserver in external toolchain" ; \ exit 1 ; \ fi ; \ fi endef # Special installation target used on the Blackfin architecture when # FDPIC is not the primary binary format being used, but the user has # nonetheless requested the installation of the FDPIC libraries to the # target filesystem. ifeq ($(BR2_BFIN_INSTALL_FDPIC_SHARED),y) define TOOLCHAIN_EXTERNAL_INSTALL_BFIN_FDPIC $(Q)$(call MESSAGE,"Install external toolchain FDPIC libraries to target...") ; \ FDPIC_EXTERNAL_CC=$(dir $(TOOLCHAIN_EXTERNAL_CC))/../../bfin-linux-uclibc/bin/bfin-linux-uclibc-gcc ; \ FDPIC_SYSROOT_DIR="$(call toolchain_find_sysroot,$${FDPIC_EXTERNAL_CC} $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \ FDPIC_LIB_DIR="$(call toolchain_find_libdir,$${FDPIC_EXTERNAL_CC} $(TOOLCHAIN_EXTERNAL_CFLAGS))" ; \ FDPIC_SUPPORT_LIB_DIR="" ; \ if test `find $${FDPIC_SYSROOT_DIR} -name 'libstdc++.a' | wc -l` -eq 0 ; then \ FDPIC_LIBSTDCPP_A_LOCATION=$$(LANG=C $${FDPIC_EXTERNAL_CC} $(TOOLCHAIN_EXTERNAL_CFLAGS) -print-file-name=libstdc++.a) ; \ if [ -e "$${FDPIC_LIBSTDCPP_A_LOCATION}" ]; then \ FDPIC_SUPPORT_LIB_DIR=`readlink -f $${FDPIC_LIBSTDCPP_A_LOCATION} | sed -r -e 's:libstdc\+\+\.a::'` ; \ fi ; \ fi ; \ for libs in $(LIB_EXTERNAL_LIBS); do \ $(call copy_toolchain_lib_root,$${FDPIC_SYSROOT_DIR},$${FDPIC_SUPPORT_LIB_DIR},$${FDPIC_LIB_DIR},$$libs,/lib); \ done ; \ for libs in $(USR_LIB_EXTERNAL_LIBS); do \ $(call copy_toolchain_lib_root,$${FDPIC_SYSROOT_DIR},$${FDPIC_SUPPORT_LIB_DIR},$${FDPIC_LIB_DIR},$$libs,/usr/lib); \ done endef endif # Special installation target used on the Blackfin architecture when # shared FLAT is not the primary format being used, but the user has # nonetheless requested the installation of the shared FLAT libraries # to the target filesystem. The flat libraries are found and linked # according to the index in name "libN.so". Index 1 is reserved for # the standard C library. Customer libraries can use 4 and above. ifeq ($(BR2_BFIN_INSTALL_FLAT_SHARED),y) define TOOLCHAIN_EXTERNAL_INSTALL_BFIN_FLAT $(Q)$(call MESSAGE,"Install external toolchain FLAT libraries to target...") ; \ FLAT_EXTERNAL_CC=$(dir $(TOOLCHAIN_EXTERNAL_CC))../../bfin-uclinux/bin/bfin-uclinux-gcc ; \ FLAT_LIBC_A_LOCATION=`$${FLAT_EXTERNAL_CC} $(TOOLCHAIN_EXTERNAL_CFLAGS) -mid-shared-library -print-file-name=libc`; \ if [ -f $${FLAT_LIBC_A_LOCATION} -a ! -h $${FLAT_LIBC_A_LOCATION} ] ; then \ $(INSTALL) -D $${FLAT_LIBC_A_LOCATION} $(TARGET_DIR)/lib/lib1.so; \ fi endef endif # Build toolchain wrapper for preprocessor, C and C++ compiler and setup # symlinks for everything else. Skip gdb symlink when we are building our # own gdb to prevent two gdb's in output/host/usr/bin. define TOOLCHAIN_EXTERNAL_INSTALL_WRAPPER $(Q)$(call MESSAGE,"Building ext-toolchain wrapper") mkdir -p $(HOST_DIR)/usr/bin; cd $(HOST_DIR)/usr/bin; \ for i in $(TOOLCHAIN_EXTERNAL_CROSS)*; do \ base=$${i##*/}; \ case "$$base" in \ *cc|*cc-*|*++|*++-*|*cpp) \ ln -sf ext-toolchain-wrapper $$base; \ ;; \ *gdb|*gdbtui) \ if test "$(BR2_PACKAGE_HOST_GDB)" != "y"; then \ ln -sf $$(echo $$i | sed 's%^$(HOST_DIR)%../..%') .; \ fi \ ;; \ *) \ ln -sf $$(echo $$i | sed 's%^$(HOST_DIR)%../..%') .; \ ;; \ esac; \ done ; # We use --hash-style=both to increase the compatibility of # the generated binary with older platforms $(HOSTCC) $(HOST_CFLAGS) $(TOOLCHAIN_EXTERNAL_WRAPPER_ARGS) -s -Wl,--hash-style=both \ toolchain/toolchain-external/ext-toolchain-wrapper.c \ -o $(HOST_DIR)/usr/bin/ext-toolchain-wrapper endef # Even though we're installing things in both the staging, the host # and the target directory, we do everything within the # install-staging step, arbitrarily. define TOOLCHAIN_EXTERNAL_INSTALL_STAGING_CMDS $(TOOLCHAIN_EXTERNAL_INSTALL_CORE) $(TOOLCHAIN_EXTERNAL_INSTALL_BFIN_FDPIC) $(TOOLCHAIN_EXTERNAL_INSTALL_BFIN_FLAT) $(TOOLCHAIN_EXTERNAL_INSTALL_WRAPPER) endef $(eval $(generic-package))