分类： Ubuntu

Ubuntu（友邦拓，网友也喜欢称之为“乌班图”）是一个以桌面应用为主的Linux操作系统，其名称来自非洲南部祖鲁语或豪萨语的“ubuntu”一词，意思是“人性”、“我的存在是因为大家的存在”，是非洲传统的一种价值观，类似华人社会的“仁爱”思想.

Ubuntu 17.10上使用crosstool-ng-1.23.0建立WD MyCloud修复工具编译环境(uClibc)

参考更优雅的(不拆硬盘)拯救死翘翘了的WD MyCloud(Ubuntu 17.10)编译出来的Busybox是只有3MB大小的样子，这样编译出来的东西非常基础，功能有限。如果想要增加其他软件的时候，最少改动的情况下，一般都依赖GLIBC,而GLIBC完整编译出来的库接近50MB，而我们修复系统，是一个纯内存文件系统。直接采用GLIBC会非常浪费不多的内存空间。

因此在低内存的系统上采用uClibc，变成一个不错的选择。下面我们讲一下如何通过crosstool-ng-1.23.0构建一个我们需要的编译系统出来。

首先编译crosstool-ng-1.23.0源代码

$ sudo apt-get update
$ sudo apt-get upgrade

$ sudo apt-get -y install autoconf
$ sudo apt-get -y install gperf
$ sudo apt-get -y install bison
$ sudo apt-get -y install flex
$ sudo apt-get -y install texinfo
$ sudo apt-get -y install help2man
$ sudo apt-get -y install ncurses-dev

$ cd ~

$ git clone https://github.com/crosstool-ng/crosstool-ng

$ cd crosstool-ng

$ ./bootstrap

$ ./configure --prefix=`echo ~`/wd_crosstool

$ make

$ make install

如果下载crosstool-ng源代码存在问题，可以从本站下载一份代码拷贝。点击此处下载。

$ cd ~

$ mkdir wd_fix_toolchain

$ cd wd_fix_toolchain

$ export PATH=~/wd_crosstool/bin/:$PATH

$ cp ~/crosstool-ng/samples/arm-unknown-linux-uclibcgnueabihf/crosstool.config .config

$ ct-ng oldconfig

#默认一路回车,只是注意，中间选择Linux内核版本的使用，选择使用Linux 3.2 CT_LINUX_V_3_2=y

$ ct-ng build

最终的.config文件，可以参考下面的配置信息，或者简单的拷贝这个文件到编译目录即可

#
# Automatically generated file; DO NOT EDIT.
# crosstool-NG crosstool-ng-1.23.0-280-g01e32905 Configuration
#
CT_CONFIGURE_has_static_link=y
CT_CONFIGURE_has_wget=y
CT_CONFIGURE_has_stat_flavor_GNU=y
CT_CONFIGURE_has_make_3_81_or_newer=y
CT_CONFIGURE_has_autoconf_2_63_or_newer=y
CT_CONFIGURE_has_autoreconf_2_63_or_newer=y
CT_CONFIGURE_has_automake_1_15_or_newer=y
CT_CONFIGURE_has_gnu_m4_1_4_12_or_newer=y
CT_CONFIGURE_has_git=y
CT_MODULES=y

#
# Paths and misc options
#

#
# crosstool-NG behavior
#
# CT_OBSOLETE is not set
CT_EXPERIMENTAL=y
# CT_ALLOW_BUILD_AS_ROOT is not set
# CT_DEBUG_CT is not set

#
# Paths
#
CT_LOCAL_TARBALLS_DIR="${HOME}/src"
CT_SAVE_TARBALLS=y
CT_WORK_DIR="${CT_TOP_DIR}/.build"
CT_BUILD_TOP_DIR="${CT_WORK_DIR}/${CT_HOST:+HOST-${CT_HOST}/}${CT_TARGET}"
CT_PREFIX_DIR="${CT_PREFIX:-${HOME}/x-tools}/${CT_HOST:+HOST-${CT_HOST}/}${CT_TARGET}"
CT_RM_RF_PREFIX_DIR=y
CT_REMOVE_DOCS=y
CT_PREFIX_DIR_RO=y
CT_STRIP_HOST_TOOLCHAIN_EXECUTABLES=y
# CT_STRIP_TARGET_TOOLCHAIN_EXECUTABLES is not set

#
# Downloading
#
CT_DOWNLOAD_AGENT_WGET=y
# CT_DOWNLOAD_AGENT_NONE is not set
# CT_FORBID_DOWNLOAD is not set
# CT_FORCE_DOWNLOAD is not set
CT_CONNECT_TIMEOUT=10
CT_DOWNLOAD_WGET_OPTIONS="--passive-ftp --tries=3 -nc --progress=dot:binary"
# CT_ONLY_DOWNLOAD is not set
# CT_USE_MIRROR is not set
CT_VERIFY_DOWNLOAD_DIGEST=y
CT_VERIFY_DOWNLOAD_DIGEST_SHA512=y
# CT_VERIFY_DOWNLOAD_DIGEST_SHA256 is not set
# CT_VERIFY_DOWNLOAD_DIGEST_SHA1 is not set
# CT_VERIFY_DOWNLOAD_DIGEST_MD5 is not set
CT_VERIFY_DOWNLOAD_DIGEST_ALG="sha512"
# CT_VERIFY_DOWNLOAD_SIGNATURE is not set

#
# Extracting
#
# CT_FORCE_EXTRACT is not set
CT_OVERRIDE_CONFIG_GUESS_SUB=y
# CT_ONLY_EXTRACT is not set
CT_PATCH_BUNDLED=y
# CT_PATCH_LOCAL is not set
# CT_PATCH_BUNDLED_LOCAL is not set
# CT_PATCH_LOCAL_BUNDLED is not set
# CT_PATCH_NONE is not set
CT_PATCH_ORDER="bundled"

#
# Build behavior
#
CT_PARALLEL_JOBS=0
CT_LOAD=""
CT_USE_PIPES=y
CT_EXTRA_CFLAGS_FOR_BUILD=""
CT_EXTRA_LDFLAGS_FOR_BUILD=""
CT_EXTRA_CFLAGS_FOR_HOST=""
CT_EXTRA_LDFLAGS_FOR_HOST=""
# CT_CONFIG_SHELL_SH is not set
# CT_CONFIG_SHELL_ASH is not set
CT_CONFIG_SHELL_BASH=y
# CT_CONFIG_SHELL_CUSTOM is not set
CT_CONFIG_SHELL="${bash}"

#
# Logging
#
# CT_LOG_ERROR is not set
# CT_LOG_WARN is not set
# CT_LOG_INFO is not set
CT_LOG_EXTRA=y
# CT_LOG_ALL is not set
# CT_LOG_DEBUG is not set
CT_LOG_LEVEL_MAX="EXTRA"
# CT_LOG_SEE_TOOLS_WARN is not set
CT_LOG_PROGRESS_BAR=y
CT_LOG_TO_FILE=y
CT_LOG_FILE_COMPRESS=y

#
# Target options
#
# CT_ARCH_ALPHA is not set
CT_ARCH_ARM=y
# CT_ARCH_AVR is not set
# CT_ARCH_M68K is not set
# CT_ARCH_MICROBLAZE is not set
# CT_ARCH_MIPS is not set
# CT_ARCH_MSP430 is not set
# CT_ARCH_NIOS2 is not set
# CT_ARCH_POWERPC is not set
# CT_ARCH_RISCV is not set
# CT_ARCH_S390 is not set
# CT_ARCH_SH is not set
# CT_ARCH_SPARC is not set
# CT_ARCH_X86 is not set
# CT_ARCH_XTENSA is not set
CT_ARCH="arm"
CT_ARCH_CHOICE_KSYM="ARM"
CT_ARCH_CPU="arm926ej-s"
CT_ARCH_ARM_PKG_KSYM=""
CT_ARCH_ARM_MODE="arm"
CT_ARCH_ARM_MODE_ARM=y
# CT_ARCH_ARM_MODE_THUMB is not set
# CT_ARCH_ARM_INTERWORKING is not set
CT_ARCH_ARM_EABI_FORCE=y
CT_ARCH_ARM_EABI=y
CT_ARCH_ARM_TUPLE_USE_EABIHF=y
CT_ARCH_SUFFIX=""

#
# Generic target options
#
# CT_MULTILIB is not set
CT_DEMULTILIB=y
CT_ARCH_SUPPORTS_BOTH_MMU=y
CT_ARCH_DEFAULT_HAS_MMU=y
CT_ARCH_USE_MMU=y
CT_ARCH_SUPPORTS_EITHER_ENDIAN=y
CT_ARCH_DEFAULT_LE=y
# CT_ARCH_BE is not set
CT_ARCH_LE=y
# CT_ARCH_BE_LE is not set
# CT_ARCH_LE_BE is not set
CT_ARCH_ENDIAN="little"
CT_ARCH_SUPPORTS_32=y
CT_ARCH_SUPPORTS_64=y
CT_ARCH_DEFAULT_32=y
CT_ARCH_BITNESS=32
CT_ARCH_32=y
# CT_ARCH_64 is not set

#
# Target optimisations
#
CT_ARCH_SUPPORTS_WITH_ARCH=y
CT_ARCH_SUPPORTS_WITH_CPU=y
CT_ARCH_SUPPORTS_WITH_TUNE=y
CT_ARCH_SUPPORTS_WITH_FLOAT=y
CT_ARCH_SUPPORTS_WITH_FPU=y
CT_ARCH_SUPPORTS_SOFTFP=y
CT_ARCH_EXCLUSIVE_WITH_CPU=y
CT_ARCH_FPU=""
# CT_ARCH_FLOAT_AUTO is not set
CT_ARCH_FLOAT_HW=y
# CT_ARCH_FLOAT_SOFTFP is not set
# CT_ARCH_FLOAT_SW is not set
CT_TARGET_CFLAGS=""
CT_TARGET_LDFLAGS=""
CT_ARCH_FLOAT="hard"

#
# Toolchain options
#

#
# General toolchain options
#
CT_FORCE_SYSROOT=y
CT_USE_SYSROOT=y
CT_SYSROOT_NAME="sysroot"
CT_SYSROOT_DIR_PREFIX=""
CT_WANTS_STATIC_LINK=y
CT_WANTS_STATIC_LINK_CXX=y
# CT_STATIC_TOOLCHAIN is not set
CT_SHOW_CT_VERSION=y
CT_TOOLCHAIN_PKGVERSION=""
CT_TOOLCHAIN_BUGURL=""

#
# Tuple completion and aliasing
#
CT_TARGET_VENDOR="unknown"
CT_TARGET_ALIAS_SED_EXPR=""
CT_TARGET_ALIAS=""

#
# Toolchain type
#
# CT_NATIVE is not set
CT_CROSS=y
# CT_CROSS_NATIVE is not set
# CT_CANADIAN is not set
CT_TOOLCHAIN_TYPE="cross"

#
# Build system
#
CT_BUILD=""
CT_BUILD_PREFIX=""
CT_BUILD_SUFFIX=""

#
# Misc options
#
# CT_TOOLCHAIN_ENABLE_NLS is not set

#
# Operating System
#
CT_KERNEL_SUPPORTS_SHARED_LIBS=y
# CT_KERNEL_BARE_METAL is not set
CT_KERNEL_LINUX=y
CT_KERNEL="linux"
CT_KERNEL_CHOICE_KSYM="LINUX"
CT_KERNEL_LINUX_PKG_KSYM="LINUX"
CT_LINUX_DIR_NAME="linux"
CT_LINUX_PKG_NAME="linux"
CT_LINUX_SRC_RELEASE=y
# CT_LINUX_SRC_DEVEL is not set
# CT_LINUX_SRC_CUSTOM is not set
# CT_LINUX_V_4_14 is not set
# CT_LINUX_V_4_13 is not set
# CT_LINUX_V_4_12 is not set
# CT_LINUX_V_4_11 is not set
# CT_LINUX_V_4_10 is not set
# CT_LINUX_V_4_9 is not set
# CT_LINUX_V_4_4 is not set
# CT_LINUX_V_4_1 is not set
# CT_LINUX_V_3_16 is not set
# CT_LINUX_V_3_13 is not set
# CT_LINUX_V_3_12 is not set
# CT_LINUX_V_3_10 is not set
# CT_LINUX_V_3_4 is not set
CT_LINUX_V_3_2=y
# CT_LINUX_V_2_6_32 is not set
CT_LINUX_VERSION="3.2.96"
CT_LINUX_MIRRORS="$(CT_Mirrors kernel.org linux ${CT_LINUX_VERSION})"
CT_LINUX_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_LINUX_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_LINUX_ARCHIVE_FORMATS=".tar.xz .tar.gz"
CT_LINUX_SIGNATURE_FORMAT="unpacked/.sign"
CT_LINUX_3_2_or_later=y
CT_KERNEL_LINUX_VERBOSITY_0=y
# CT_KERNEL_LINUX_VERBOSITY_1 is not set
# CT_KERNEL_LINUX_VERBOSITY_2 is not set
CT_KERNEL_LINUX_VERBOSE_LEVEL=0
CT_KERNEL_LINUX_INSTALL_CHECK=y

#
# Common kernel options
#
CT_SHARED_LIBS=y

#
# Binary utilities
#
CT_ARCH_BINFMT_ELF=y
CT_BINUTILS_BINUTILS=y
CT_BINUTILS="binutils"
CT_BINUTILS_CHOICE_KSYM="BINUTILS"
CT_BINUTILS_BINUTILS_PKG_KSYM="BINUTILS"
CT_BINUTILS_DIR_NAME="binutils"
CT_BINUTILS_USE_GNU=y
CT_BINUTILS_USE="BINUTILS"
CT_BINUTILS_PKG_NAME="binutils"
CT_BINUTILS_SRC_RELEASE=y
# CT_BINUTILS_SRC_DEVEL is not set
# CT_BINUTILS_SRC_CUSTOM is not set
CT_BINUTILS_V_2_29_1=y
# CT_BINUTILS_V_2_28_1 is not set
# CT_BINUTILS_V_2_27 is not set
# CT_BINUTILS_V_2_26_1 is not set
CT_BINUTILS_VERSION="2.29.1"
CT_BINUTILS_MIRRORS="$(CT_Mirrors GNU binutils) $(CT_Mirrors sourceware binutils/releases)"
CT_BINUTILS_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_BINUTILS_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_BINUTILS_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz"
CT_BINUTILS_SIGNATURE_FORMAT="packed/.sig"
CT_BINUTILS_2_25_or_later=y
CT_BINUTILS_2_23_or_later=y

#
# GNU binutils
#
CT_BINUTILS_HAS_HASH_STYLE=y
CT_BINUTILS_HAS_GOLD=y
CT_BINUTILS_HAS_PLUGINS=y
CT_BINUTILS_HAS_PKGVERSION_BUGURL=y
CT_BINUTILS_GOLD_SUPPORTS_ARCH=y
CT_BINUTILS_GOLD_SUPPORT=y
# CT_BINUTILS_LINKER_LD is not set
# CT_BINUTILS_LINKER_GOLD is not set
CT_BINUTILS_LINKER_LD_GOLD=y
# CT_BINUTILS_LINKER_GOLD_LD is not set
CT_BINUTILS_GOLD_INSTALLED=y
CT_BINUTILS_GOLD_THREADS=y
CT_BINUTILS_LINKER_BOTH=y
CT_BINUTILS_LINKERS_LIST="ld,gold"
CT_BINUTILS_LD_WRAPPER=y
CT_BINUTILS_LINKER_DEFAULT="bfd"
CT_BINUTILS_PLUGINS=y
CT_BINUTILS_EXTRA_CONFIG_ARRAY=""
# CT_BINUTILS_FOR_TARGET is not set

#
# C-library
#
# CT_LIBC_BIONIC is not set
# CT_LIBC_GLIBC is not set
# CT_LIBC_MUSL is not set
CT_LIBC_UCLIBC=y
CT_LIBC="uClibc"
CT_LIBC_CHOICE_KSYM="UCLIBC"
CT_THREADS="nptl"
CT_LIBC_UCLIBC_PKG_KSYM="UCLIBC"
CT_UCLIBC_DIR_NAME="uClibc"
CT_UCLIBC_USE_UCLIBC_NG_ORG=y
CT_UCLIBC_USE="UCLIBC_NG"
CT_UCLIBC_NG_PKG_NAME="uClibc-ng"
CT_UCLIBC_NG_SRC_RELEASE=y
# CT_UCLIBC_NG_SRC_DEVEL is not set
# CT_UCLIBC_NG_SRC_CUSTOM is not set
CT_UCLIBC_NG_V_1_0_27=y
# CT_UCLIBC_NG_V_1_0_26 is not set
# CT_UCLIBC_NG_V_1_0_25 is not set
CT_UCLIBC_NG_VERSION="1.0.27"
CT_UCLIBC_NG_MIRRORS="http://downloads.uclibc-ng.org/releases/${CT_UCLIBC_NG_VERSION}"
CT_UCLIBC_NG_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_UCLIBC_NG_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_UCLIBC_NG_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.bz2 .tar.gz"
CT_UCLIBC_NG_SIGNATURE_FORMAT="packed/.asc"
CT_UCLIBC_1_0_15_or_later=y
CT_UCLIBC_1_0_0_or_later=y
CT_UCLIBC_0_9_33_2_or_later=y
CT_LIBC_UCLIBC_PARALLEL=y
CT_LIBC_UCLIBC_NG=y
CT_UCLIBC_MERGED_LINUXTHREADS=y
CT_LIBC_UCLIBC_VERBOSITY_0=y
# CT_LIBC_UCLIBC_VERBOSITY_1 is not set
# CT_LIBC_UCLIBC_VERBOSITY_2 is not set
CT_LIBC_UCLIBC_VERBOSITY=""
CT_LIBC_UCLIBC_DEBUG_LEVEL_0=y
# CT_LIBC_UCLIBC_DEBUG_LEVEL_1 is not set
# CT_LIBC_UCLIBC_DEBUG_LEVEL_2 is not set
# CT_LIBC_UCLIBC_DEBUG_LEVEL_3 is not set
CT_LIBC_UCLIBC_DEBUG_LEVEL=0
CT_LIBC_UCLIBC_CONFIG_FILE=""
CT_LIBC_UCLIBC_LNXTHRD=""
# CT_LIBC_UCLIBC_LOCALES is not set
# CT_LIBC_UCLIBC_IPV6 is not set
CT_LIBC_UCLIBC_WCHAR=y
# CT_LIBC_UCLIBC_FENV is not set
# CT_LIBC_UCLIBC_RPC is not set
CT_LIBC_UCLIBC_USE_GNU_SUFFIX=y
CT_LIBC_SUPPORT_THREADS_ANY=y
CT_LIBC_SUPPORT_THREADS_NATIVE=y
CT_LIBC_SUPPORT_THREADS_LT=y
CT_LIBC_SUPPORT_THREADS_NONE=y

#
# Common C library options
#
CT_THREADS_NATIVE=y
# CT_THREADS_LT is not set
# CT_THREADS_NONE is not set
# CT_CREATE_LDSO_CONF is not set
CT_LIBC_XLDD=y

#
# C compiler
#
CT_CC_CORE_PASSES_NEEDED=y
CT_CC_CORE_PASS_1_NEEDED=y
CT_CC_CORE_PASS_2_NEEDED=y
CT_CC_SUPPORT_CXX=y
CT_CC_SUPPORT_FORTRAN=y
CT_CC_SUPPORT_ADA=y
CT_CC_SUPPORT_OBJC=y
CT_CC_SUPPORT_OBJCXX=y
CT_CC_SUPPORT_GOLANG=y
CT_CC_GCC=y
CT_CC="gcc"
CT_CC_CHOICE_KSYM="GCC"
CT_CC_GCC_PKG_KSYM="GCC"
CT_GCC_DIR_NAME="gcc"
CT_GCC_USE_GNU=y
# CT_GCC_USE_LINARO is not set
CT_GCC_USE="GCC"
CT_GCC_PKG_NAME="gcc"
CT_GCC_SRC_RELEASE=y
# CT_GCC_SRC_DEVEL is not set
# CT_GCC_SRC_CUSTOM is not set
CT_GCC_V_7_2_0=y
# CT_GCC_V_6_4_0 is not set
# CT_GCC_V_5_5_0 is not set
# CT_GCC_V_4_9_4 is not set
CT_GCC_VERSION="7.2.0"
CT_GCC_MIRRORS="$(CT_Mirrors GNU gcc/gcc-${CT_GCC_VERSION}) $(CT_Mirrors sourceware gcc/releases/gcc-${CT_GCC_VERSION})"
CT_GCC_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_GCC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_GCC_ARCHIVE_FORMATS=".tar.xz .tar.gz"
CT_GCC_SIGNATURE_FORMAT=""
CT_GCC_7_or_later=y
CT_GCC_6_or_later=y
CT_GCC_5_or_later=y
CT_GCC_4_9_2_or_later=y
CT_GCC_4_9_or_later=y
CT_GCC_4_8_or_later=y
CT_CC_GCC_ENABLE_PLUGINS=y
CT_CC_GCC_GOLD=y
CT_CC_GCC_HAS_LIBMPX=y
CT_CC_GCC_ENABLE_CXX_FLAGS=""
CT_CC_GCC_CORE_EXTRA_CONFIG_ARRAY=""
CT_CC_GCC_EXTRA_CONFIG_ARRAY=""
CT_CC_GCC_STATIC_LIBSTDCXX=y
# CT_CC_GCC_SYSTEM_ZLIB is not set
CT_CC_GCC_CONFIG_TLS=m

#
# Optimisation features
#
CT_CC_GCC_USE_GRAPHITE=y
CT_CC_GCC_USE_LTO=y

#
# Settings for libraries running on target
#
CT_CC_GCC_ENABLE_TARGET_OPTSPACE=y
# CT_CC_GCC_LIBMUDFLAP is not set
# CT_CC_GCC_LIBGOMP is not set
# CT_CC_GCC_LIBSSP is not set
# CT_CC_GCC_LIBQUADMATH is not set

#
# Misc. obscure options.
#
CT_CC_CXA_ATEXIT=y
# CT_CC_GCC_DISABLE_PCH is not set
CT_CC_GCC_SJLJ_EXCEPTIONS=m
CT_CC_GCC_LDBL_128=m
# CT_CC_GCC_BUILD_ID is not set
CT_CC_GCC_LNK_HASH_STYLE_DEFAULT=y
# CT_CC_GCC_LNK_HASH_STYLE_SYSV is not set
# CT_CC_GCC_LNK_HASH_STYLE_GNU is not set
# CT_CC_GCC_LNK_HASH_STYLE_BOTH is not set
CT_CC_GCC_LNK_HASH_STYLE=""
CT_CC_GCC_DEC_FLOAT_AUTO=y
# CT_CC_GCC_DEC_FLOAT_BID is not set
# CT_CC_GCC_DEC_FLOAT_DPD is not set
# CT_CC_GCC_DEC_FLOATS_NO is not set

#
# Additional supported languages:
#
CT_CC_LANG_CXX=y
# CT_CC_LANG_FORTRAN is not set
# CT_CC_LANG_ADA is not set
# CT_CC_LANG_OBJC is not set
# CT_CC_LANG_OBJCXX is not set
# CT_CC_LANG_GOLANG is not set
CT_CC_LANG_OTHERS=""

#
# Debug facilities
#
CT_DEBUG_DUMA=y
CT_DEBUG_DUMA_PKG_KSYM="DUMA"
CT_DUMA_DIR_NAME="duma"
CT_DUMA_PKG_NAME="duma"
CT_DUMA_SRC_RELEASE=y
# CT_DUMA_SRC_DEVEL is not set
# CT_DUMA_SRC_CUSTOM is not set
CT_DUMA_V_2_5_15=y
CT_DUMA_VERSION="2_5_15"
CT_DUMA_MIRRORS="http://downloads.sourceforge.net/project/duma/duma/${CT_DUMA_VERSION//_/.}"
CT_DUMA_ARCHIVE_FILENAME="@{pkg_name}_@{version}"
CT_DUMA_ARCHIVE_DIRNAME="@{pkg_name}_@{version}"
CT_DUMA_ARCHIVE_FORMATS=".tar.gz .zip"
CT_DUMA_SIGNATURE_FORMAT=""
CT_DUMA_SO=y
CT_DUMA_CUSTOM_WRAPPER=y
CT_DEBUG_GDB=y
CT_DEBUG_GDB_PKG_KSYM="GDB"
CT_GDB_DIR_NAME="gdb"
CT_GDB_USE_GNU=y
CT_GDB_USE="GDB"
CT_GDB_PKG_NAME="gdb"
CT_GDB_SRC_RELEASE=y
# CT_GDB_SRC_DEVEL is not set
# CT_GDB_SRC_CUSTOM is not set
CT_GDB_V_8_0_1=y
# CT_GDB_V_7_12_1 is not set
# CT_GDB_V_7_11_1 is not set
CT_GDB_VERSION="8.0.1"
CT_GDB_MIRRORS="$(CT_Mirrors GNU gdb) $(CT_Mirrors sourceware gdb/releases)"
CT_GDB_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_GDB_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_GDB_ARCHIVE_FORMATS=".tar.xz .tar.gz"
CT_GDB_SIGNATURE_FORMAT=""
CT_GDB_8_0_or_later=y
CT_GDB_7_2_or_later=y
CT_GDB_7_0_or_later=y
CT_GDB_CROSS=y
CT_GDB_CROSS_STATIC=y
# CT_GDB_CROSS_SIM is not set
CT_GDB_CROSS_EXTRA_CONFIG_ARRAY=""
CT_GDB_NATIVE=y
CT_GDB_NATIVE_STATIC=y
CT_GDB_GDBSERVER=y
CT_GDB_GDBSERVER_HAS_IPA_LIB=y
# CT_GDB_GDBSERVER_STATIC is not set
# CT_GDB_GDBSERVER_STATIC_LIBSTDCXX is not set
# CT_GDB_GDBSERVER_BUILD_IPA_LIB is not set
CT_GDB_HAS_PKGVERSION_BUGURL=y
CT_GDB_HAS_PYTHON=y
CT_GDB_INSTALL_GDBINIT=y
CT_DEBUG_LTRACE=y
CT_DEBUG_LTRACE_PKG_KSYM="LTRACE"
CT_LTRACE_DIR_NAME="ltrace"
CT_LTRACE_PKG_NAME="ltrace"
CT_LTRACE_SRC_RELEASE=y
# CT_LTRACE_SRC_DEVEL is not set
# CT_LTRACE_SRC_CUSTOM is not set
CT_LTRACE_V_0_7_3=y
CT_LTRACE_VERSION="0.7.3"
CT_LTRACE_MIRRORS="http://ftp.debian.org/debian/pool/main/l/ltrace ftp:://ftp.debian.org/debian/pool/main/l/ltrace"
CT_LTRACE_ARCHIVE_FILENAME="@{pkg_name}_@{version}.orig"
CT_LTRACE_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_LTRACE_ARCHIVE_FORMATS=".tar.bz2"
CT_LTRACE_SIGNATURE_FORMAT=""
CT_DEBUG_STRACE=y
CT_DEBUG_STRACE_PKG_KSYM="STRACE"
CT_STRACE_DIR_NAME="strace"
CT_STRACE_PKG_NAME="strace"
CT_STRACE_SRC_RELEASE=y
# CT_STRACE_SRC_DEVEL is not set
# CT_STRACE_SRC_CUSTOM is not set
CT_STRACE_V_4_20=y
# CT_STRACE_V_4_19 is not set
# CT_STRACE_V_4_18 is not set
# CT_STRACE_V_4_17 is not set
# CT_STRACE_V_4_16 is not set
# CT_STRACE_V_4_15 is not set
CT_STRACE_VERSION="4.20"
CT_STRACE_MIRRORS="http://downloads.sourceforge.net/project/strace/strace/${CT_STRACE_VERSION}"
CT_STRACE_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_STRACE_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_STRACE_ARCHIVE_FORMATS=".tar.xz"
CT_STRACE_SIGNATURE_FORMAT=""

#
# Companion libraries
#
# CT_COMPLIBS_CHECK is not set
# CT_COMP_LIBS_CLOOG is not set
CT_COMP_LIBS_EXPAT=y
CT_COMP_LIBS_EXPAT_PKG_KSYM="EXPAT"
CT_EXPAT_DIR_NAME="expat"
CT_EXPAT_PKG_NAME="expat"
CT_EXPAT_SRC_RELEASE=y
# CT_EXPAT_SRC_DEVEL is not set
# CT_EXPAT_SRC_CUSTOM is not set
CT_EXPAT_V_2_2_5=y
CT_EXPAT_VERSION="2.2.5"
CT_EXPAT_MIRRORS="http://downloads.sourceforge.net/project/expat/expat/${CT_EXPAT_VERSION}"
CT_EXPAT_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_EXPAT_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_EXPAT_ARCHIVE_FORMATS=".tar.bz2"
CT_EXPAT_SIGNATURE_FORMAT=""
# CT_COMP_LIBS_GETTEXT is not set
CT_COMP_LIBS_GMP=y
CT_COMP_LIBS_GMP_PKG_KSYM="GMP"
CT_GMP_DIR_NAME="gmp"
CT_GMP_PKG_NAME="gmp"
CT_GMP_SRC_RELEASE=y
# CT_GMP_SRC_DEVEL is not set
# CT_GMP_SRC_CUSTOM is not set
CT_GMP_V_6_1_2=y
CT_GMP_VERSION="6.1.2"
CT_GMP_MIRRORS="https://gmplib.org/download/gmp https://gmplib.org/download/gmp/archive $(CT_Mirrors GNU gmp)"
CT_GMP_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_GMP_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_GMP_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.bz2"
CT_GMP_SIGNATURE_FORMAT="packed/.sig"
CT_GMP_5_1_or_later=y
CT_COMP_LIBS_ISL=y
CT_COMP_LIBS_ISL_PKG_KSYM="ISL"
CT_ISL_DIR_NAME="isl"
CT_ISL_PKG_NAME="isl"
CT_ISL_SRC_RELEASE=y
# CT_ISL_SRC_DEVEL is not set
# CT_ISL_SRC_CUSTOM is not set
CT_ISL_V_0_18=y
# CT_ISL_V_0_17_1 is not set
# CT_ISL_V_0_16_1 is not set
# CT_ISL_V_0_15 is not set
CT_ISL_VERSION="0.18"
CT_ISL_MIRRORS="http://isl.gforge.inria.fr"
CT_ISL_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_ISL_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_ISL_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz"
CT_ISL_SIGNATURE_FORMAT=""
CT_ISL_0_15_or_later=y
CT_ISL_REQUIRE_0_15_or_later=y
CT_ISL_0_14_or_later=y
CT_ISL_REQUIRE_0_14_or_later=y
CT_ISL_0_13_or_later=y
CT_ISL_0_12_or_later=y
CT_ISL_REQUIRE_0_12_or_later=y
CT_COMP_LIBS_LIBELF=y
CT_COMP_LIBS_LIBELF_PKG_KSYM="LIBELF"
CT_LIBELF_DIR_NAME="libelf"
CT_LIBELF_PKG_NAME="libelf"
CT_LIBELF_SRC_RELEASE=y
# CT_LIBELF_SRC_DEVEL is not set
# CT_LIBELF_SRC_CUSTOM is not set
CT_LIBELF_V_0_8_13=y
CT_LIBELF_VERSION="0.8.13"
CT_LIBELF_MIRRORS="http://www.mr511.de/software"
CT_LIBELF_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_LIBELF_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_LIBELF_ARCHIVE_FORMATS=".tar.gz"
CT_LIBELF_SIGNATURE_FORMAT=""
# CT_COMP_LIBS_LIBICONV is not set
CT_COMP_LIBS_MPC=y
CT_COMP_LIBS_MPC_PKG_KSYM="MPC"
CT_MPC_DIR_NAME="mpc"
CT_MPC_PKG_NAME="mpc"
CT_MPC_SRC_RELEASE=y
# CT_MPC_SRC_DEVEL is not set
# CT_MPC_SRC_CUSTOM is not set
CT_MPC_V_1_0_3=y
CT_MPC_VERSION="1.0.3"
CT_MPC_MIRRORS="http://www.multiprecision.org/mpc/download $(CT_Mirrors GNU mpc)"
CT_MPC_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_MPC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_MPC_ARCHIVE_FORMATS=".tar.gz"
CT_MPC_SIGNATURE_FORMAT="packed/.sig"
CT_COMP_LIBS_MPFR=y
CT_COMP_LIBS_MPFR_PKG_KSYM="MPFR"
CT_MPFR_DIR_NAME="mpfr"
CT_MPFR_PKG_NAME="mpfr"
CT_MPFR_SRC_RELEASE=y
# CT_MPFR_SRC_DEVEL is not set
# CT_MPFR_SRC_CUSTOM is not set
CT_MPFR_V_3_1_6=y
CT_MPFR_VERSION="3.1.6"
CT_MPFR_MIRRORS="http://www.mpfr.org/mpfr-${CT_MPFR_VERSION} $(CT_Mirrors GNU mpfr)"
CT_MPFR_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_MPFR_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_MPFR_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz .zip"
CT_MPFR_SIGNATURE_FORMAT="packed/.asc"
CT_COMP_LIBS_NCURSES=y
CT_COMP_LIBS_NCURSES_PKG_KSYM="NCURSES"
CT_NCURSES_DIR_NAME="ncurses"
CT_NCURSES_PKG_NAME="ncurses"
CT_NCURSES_SRC_RELEASE=y
# CT_NCURSES_SRC_DEVEL is not set
# CT_NCURSES_SRC_CUSTOM is not set
CT_NCURSES_V_6_0=y
CT_NCURSES_VERSION="6.0"
CT_NCURSES_MIRRORS="ftp://invisible-island.net/ncurses $(CT_Mirrors GNU ncurses)"
CT_NCURSES_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_NCURSES_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_NCURSES_ARCHIVE_FORMATS=".tar.gz"
CT_NCURSES_SIGNATURE_FORMAT="packed/.sig"
# CT_NCURSES_NEW_ABI is not set
CT_NCURSES_HOST_CONFIG_ARGS=""
CT_NCURSES_HOST_DISABLE_DB=y
CT_NCURSES_HOST_FALLBACKS="linux,xterm,xterm-color,xterm-256color,vt100"
CT_NCURSES_TARGET_CONFIG_ARGS=""
# CT_NCURSES_TARGET_DISABLE_DB is not set
CT_NCURSES_TARGET_FALLBACKS=""
# CT_COMP_LIBS_ZLIB is not set
# CT_LIBICONV_NEEDED is not set
# CT_GETTEXT_NEEDED is not set
CT_GMP_NEEDED=y
CT_MPFR_NEEDED=y
CT_ISL_NEEDED=y
CT_MPC_NEEDED=y
CT_LIBELF_TARGET=y
CT_EXPAT_NEEDED=y
CT_EXPAT_TARGET=y
CT_NCURSES_NEEDED=y
CT_NCURSES_TARGET=y
# CT_ZLIB_NEEDED is not set
CT_GMP=y
CT_MPFR=y
CT_ISL=y
CT_MPC=y
CT_EXPAT=y
CT_NCURSES=y

#
# Companion tools
#
# CT_COMP_TOOLS_FOR_HOST is not set
# CT_COMP_TOOLS_AUTOCONF is not set
# CT_COMP_TOOLS_AUTOMAKE is not set
CT_COMP_TOOLS_LIBTOOL=y
CT_COMP_TOOLS_LIBTOOL_PKG_KSYM="LIBTOOL"
CT_LIBTOOL_DIR_NAME="libtool"
CT_LIBTOOL_PKG_NAME="libtool"
CT_LIBTOOL_SRC_RELEASE=y
# CT_LIBTOOL_SRC_DEVEL is not set
# CT_LIBTOOL_SRC_CUSTOM is not set
CT_LIBTOOL_V_2_4_6=y
CT_LIBTOOL_VERSION="2.4.6"
CT_LIBTOOL_MIRRORS="$(CT_Mirrors GNU libtool)"
CT_LIBTOOL_ARCHIVE_FILENAME="@{pkg_name}-@{version}"
CT_LIBTOOL_ARCHIVE_DIRNAME="@{pkg_name}-@{version}"
CT_LIBTOOL_ARCHIVE_FORMATS=".tar.xz .tar.gz"
CT_LIBTOOL_SIGNATURE_FORMAT="packed/.sig"
# CT_COMP_TOOLS_M4 is not set
# CT_COMP_TOOLS_MAKE is not set

#
# Test suite
#
# CT_TEST_SUITE_GCC is not set

最终在如下目录生成我们需要的编译程序

~/x-tools/arm-unknown-linux-uclibcgnueabihf

编译过程中的源代码下载可能会非常缓慢，可以从本站下载一份代码的拷贝。点击这里下载。下载完成后，解压缩到当前用户根目录，编译的时候，会自动使用已经下载的文件。可以使用下面的命令进行下载解压缩操作：

$ cd ~

$ wget https://www.mobibrw.com/wp-content/uploads/2017/12/src.tar.xz

$ tar -xvf src.tar.xz

如果懒得编译，也可点击这里下载一份已经编译好的编译工具。

参考链接

ubuntu 17.10 gnome 3桌面隐藏顶栏

1.安装gnome-tweak-tool

$ sudo apt-get install gnome-tweak-tool

2.安装hidetopbar扩展

$ sudo apt-get install gnome-shell-extension-autohidetopbar

3.重启电脑

$ sudo reboot

4.启动gnome-tweak-tool

$ gnome-tweak-tool

可以看到扩展-->Hide top bar扩展，开启即可隐藏顶栏。按键盘上的Windows图标键就会显示出来。如果还是没有隐藏，请点击设置按钮，在里面关闭智能隐藏。

继续阅读ubuntu 17.10 gnome 3桌面隐藏顶栏

ubuntu 16.04/ubuntu 17.10下解决wireshark权限问题

ubuntu 16.04/ubuntu 17.10下使用wireshark可能会遇到如下权限问题：

Couldn’t run /usr/bin/dumpcap in child process: Permission denied

也有可能列表中找不到我们抓包的网卡。

可以使用如下方法解决：

1.添加wireshark用户组

$ sudo groupadd wireshark

2.将dumpcap更改为wireshark用户组

$ sudo chgrp wireshark /usr/bin/dumpcap

3.让wireshark用户组有root权限使用dumpcap

$ sudo chmod 4755 /usr/bin/dumpcap

4.将需要使用的用户名（一般都是当前登陆用户）加入wireshark用户组

$ sudo gpasswd -a `whoami` wireshark

参考链接

ubuntu下解决wireshark权限问题

NVIDIA TX2 (Ubuntu 16.04)上安装CUDA 8.0

使用如下方式安装：

$ cd ~ 

$ wget http://developer.download.nvidia.com/devzone/devcenter/mobile/jetpack_l4t/013/linux-x64/cuda-repo-l4t-8-0-local_8.0.84-1_arm64.deb

$ sudo dpkg -i cuda-repo-l4t-8-0-local_8.0.84-1_arm64.deb

$ sudo apt-get update

$ sudo apt-get install cuda-toolkit-8-0

至于如何获取最新的NVIDIA TX2上使用的CUDA 8.0版本的下载地址，请访问Jetson Download Center，下载目前最新的JetPack 3.1。执行之后在存储目录下的repository.json中找到最新的下载链接即可。当然也可以让JetPack 3.1自动下载完成最新的CUDA 8.0版本到指定目录。

NVIDIA TX2 (Ubuntu 16.04)上安装ROS

首先编辑安装源

$ sudo vim /etc/apt/sources.list

找到如下内容

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb http://ports.ubuntu.com/ubuntu-ports/ xenial main restricted
deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted
deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted

## Uncomment the following two lines to add software from the 'universe'
## repository.
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
# deb http://ports.ubuntu.com/ubuntu-ports/ xenial universe
# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial universe
# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates universe
# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-updates universe

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-backports main restricted
# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-backports main restricted

deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted
deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted
# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security universe
# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security universe
# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security multiverse
# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security multiverse

开启universe源，修改为：

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb http://ports.ubuntu.com/ubuntu-ports/ xenial main restricted
deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted
deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-updates main restricted

## Uncomment the following two lines to add software from the 'universe'
## repository.
## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://ports.ubuntu.com/ubuntu-ports/ xenial universe
deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial universe
deb http://ports.ubuntu.com/ubuntu-ports/ xenial-updates universe
deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-updates universe

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-backports main restricted
# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-backports main restricted

deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted
deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security main restricted
# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security universe
# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security universe
# deb http://ports.ubuntu.com/ubuntu-ports/ xenial-security multiverse
# deb-src http://ports.ubuntu.com/ubuntu-ports/ xenial-security multiverse

然后更新源

$ sudo apt-get update

然后执行如下安装脚本：

#!/bin/bash
sudo apt-get update 
sudo apt-get upgrade -y --force-yes
sudo apt-get autoremove -y

# 必须先安装boost ,否则，整个安装过程会失败，应该是apt的BUG
sudo apt-get -y install libboost-all-dev

UBUNTU_VERSION=`lsb_release -c -s`
ROS_DISTRO=hydro

if [ $UBUNTU_VERSION = trusty ] || [ $UBUNTU_VERSION = saucy ] ; then
  ROS_DISTRO=indigo
elif [ $UBUNTU_VERSION = xenial ] ; then
  ROS_DISTRO=kinetic
fi

ROS_PACKAGES="python-rosinstall ros-$ROS_DISTRO-robot-state-publisher ros-$ROS_DISTRO-cmake-modules ros-$ROS_DISTRO-freenect-stack ros-$ROS_DISTRO-openni-launch ros-$ROS_DISTRO-camera-info-manager-py"

echo "deb http://packages.ros.org/ros/ubuntu $UBUNTU_VERSION main" | sudo tee /etc/apt/sources.list.d/ros-latest.list
wget http://packages.ros.org/ros.key -O - | sudo apt-key add -
sudo apt-get update
sudo apt-get install ros-$ROS_DISTRO-desktop-full -y
sudo rosdep init
rosdep update
sudo apt-get install $ROS_PACKAGES -y --force-yes

参考链接

Ubuntu 16.04上使用crosstool-ng编译Nvidia TX2上使用的boost库

目前在Nvidia TX2上尝试安装ROS Kinetic的时候发现依赖libboost-all-dev，但是自带的源http://ports.ubuntu.com下面没有合适的源，尽管在universe源下面包含libboost-all-dev ，但是实际安装的时候发现安装不上。

因此尝试手工编译最新的boost安装包，建立自己的源。

首先，编译安装最新的crosstool-ng，如下：

$ sudo apt-get install git

$ sudo apt-get install gperf

$ sudo apt-get install bison

$ sudo apt-get install flex

$ sudo apt-get install texinfo

$ sudo apt-get install help2man

$ sudo apt-get install gawk

$ sudo apt-get install libncurses5-dev

$ cd ~

$ git clone https://github.com/crosstool-ng/crosstool-ng.git

$ cd crosstool-ng

$ git checkout crosstool-ng-1.23.0

$ ./bootstrap

$ ./configure --prefix=/usr/local

$ make

$ sudo make install

$ cd ~

$ mkdir tx2

$ cd tx2

#用树莓派的模板作为参考模板即可
$ cp ~/crosstool-ng/samples/aarch64-rpi3-linux-gnueabi/crosstool.config .config

$ ct-ng oldconfig

#默认一路回车即可,如果使用图形界面配置执行 ct-ng menuconfig
 
$ unset LD_LIBRARY_PATH

$ ct-ng build

生成的工具链在~/x-tools/aarch64-rpi3-linux-gnueabi目录下，编译的时候，指定编译工具即可。

安装编译依赖

$ sudo apt-get install devscripts

$ sudo apt-get install cdbs

$ sudo apt-get install python-dev

$ sudo apt-get install libbz2-dev

接着，下载并编译最新的代码

#!/bin/bash
export DEBVERSION=1.58.0-1
if [ ! -d "boost_1_58_0" ]; then
    wget "http://nchc.dl.sourceforge.net/project/boost/boost/1.58.0/boost_1_58_0.tar.bz2" -O boost_1_58_0.tar.bz2
    tar xjvf boost_1_58_0.tar.bz2
fi
cd boost_1_58_0

:<<BLOCK
'export DEBVERSION=1.60.0-1
if [ ! -d "boost_1_60_0" ]; then
 wget "http://downloads.sourceforge.net/project/boost/boost/1.60.0/boost_1_60_0.tar.bz2" -O boost-all_1.60.0.orig.tar.bz2
 tar xjvf boost-all_1.60.0.orig.tar.bz2
fi
cd boost_1_60_0
'
BLOCK

#Build DEB
rm -rf debian
mkdir -p debian
#Use the LICENSE file from nodejs as copying file
touch debian/copying
#Create the changelog (no messages needed)
dch --create -v $DEBVERSION --package libboost-all ""
#Create copyright file
touch debian
#Create control file
cat > debian/control <<EOF
Source: libboost-all
Maintainer: LongSky <wangqiang1588@sina.com>
Section: misc
Priority: optional
Standards-Version: 3.9.2
Build-Depends: debhelper (>= 8), cdbs, libbz2-dev, zlib1g-dev

Package: libboost-all
Architecture: arm64
Depends: \${shlibs:Depends}, \${misc:Depends}, libboost-all (= $DEBVERSION)
Description: Boost library, version $DEBVERSION (shared libraries)

Package: libboost-all-dev
Architecture: any
Depends: libboost-all (= $DEBVERSION)
Description: Boost library, version $DEBVERSION (development files)

Package: libboost-build
Architecture: any
Depends: \${misc:Depends}
Description: Boost Build v2 executable
EOF
#Create rules file
cat > debian/rules <<EOF 
#!/usr/bin/make -f
%:
	dh \$@
override_dh_auto_configure:
	./bootstrap.sh
override_dh_auto_build:
	./b2 link=static,shared -j 1 --prefix=`pwd`/debian/libboost-all/usr/
override_dh_auto_test:
override_dh_auto_install:
	mkdir -p debian/libboost-all/usr debian/libboost-all-dev/usr debian/libboost-build/usr/bin
	./b2 link=static,shared --prefix=`pwd`/debian/libboost-all/usr/ install
	mv debian/libboost-all/usr/include debian/libboost-all-dev/usr
	cp b2 debian/libboost-build/usr/bin
	./b2 install --prefix=`pwd`/debian/libboost-build/usr/ install
EOF
#Create some misc files
echo "8" > debian/compat
mkdir -p debian/source
echo "3.0 (quilt)" > debian/source/format
#Build the package
nice -n19 ionice -c3 debuild -b -d -uc -us

注意，对于boost-1.58来说，当时的代码是没有检测ARM64的功能的，当年也没有ARM64的芯片。因此需要修改{boost_root}/libs/config/checks/architecture/arm.cpp里面的代码，增加ARM64的判断

#if !defined(__arm__) && !defined(__thumb__) && \
    !defined(__TARGET_ARCH_ARM) && !defined(__TARGET_ARCH_THUMB) && \
    !defined(_ARM) && !defined(_M_ARM)
#error "Not ARM"
#endif

调整为

#if !defined(__arm__) && !defined(__thumb__) && \
    !defined(__TARGET_ARCH_ARM) && !defined(__TARGET_ARCH_THUMB) && \
    !defined(_ARM) && !defined(_M_ARM) && !defined(__aarch64__)
#error "Not ARM"
#endif

参考链接

Ubuntu 16.04.3在使用GeForce GTX 970显卡的电脑上无法安装以及启动的解决方法

最近在一台安装了GeForce GTX 970显卡的机器上，一直无法安装Ubuntu 16.04.3系统的时候，一直卡住在如下界面：

继续阅读Ubuntu 16.04.3在使用GeForce GTX 970显卡的电脑上无法安装以及启动的解决方法

Linux下编辑ISO文件的方法

我们知道Windows下有类似UltraISO的这样的软件可以用来编辑ISO文件，可引导ISO也没有问题。近来在Linux下玩的比较多，正好要改个ISO，于是就开始找Linux下有没有类似的软件。

Ubuntu软件中心里有一款叫ISOMaster的软件，可以创建和修改ISO文件。

继续阅读Linux下编辑ISO文件的方法

OpenCV使用cv::imshow在子线程中更新图片不刷新

在Ubuntu 16.04上测试OpenCV 3.2,遇到一个在子线程中更新图像，而界面不刷新的问题。

$ sudo apt-get install libopencv-dev

编译执行如下代码：

#include <pthread.h>
#include <opencv/cv.h>
#include <opencv/highgui.h>
#include <stdio.h>
#include <stdlib.h>

void* imshowWorker(void*){
	for(int i = 0;i < 100;i++){
		char str[10+1];
		snprintf(str, 10,"%d",i);
		cv::Mat img = cv::Mat::zeros( 100, 100, CV_8UC3 );  
		cv::putText(img,(char*)str,cv::Point( 50, 50 ),cv::FONT_HERSHEY_SIMPLEX,1,cv::Scalar( 255, 0, 0 ));
		cv::imshow("Number View", img ); 
		if(i > 90){
			i = 0;		
		}
	}	
}

int main(void){
	cv::namedWindow("Number View");
	pthread_t id;
	pthread_create(&id,NULL,imshowWorker,NULL);
	getchar();
	return (0);
}
$ g++ opencv_imshow.cpp   -I `pkg-config --libs opencv` -lpthread -o opencv_imshow

可以看到，上面的代码执行之后，界面并没有出现，即使出现也没有刷新。

这个问题是由于界面更新必须在主线程中执行，需要手工通知主线程。

修改后的代码如下：

#include <pthread.h>
#include <opencv/cv.h>
#include <opencv/highgui.h>
#include <stdio.h>
#include <stdlib.h>

void* imshowWorker(void*){
	for(int i = 0;i < 100;i++){
		char str[10+1];
		snprintf(str, 10,"%d",i);
		cv::Mat img = cv::Mat::zeros( 100, 100, CV_8UC3 );  
		cv::putText(img,(char*)str,cv::Point( 50, 50 ),cv::FONT_HERSHEY_SIMPLEX,1,cv::Scalar( 255, 0, 0 ));
		cv::imshow("Number View", img ); 
		cv::waitKey(30);
		if(i > 90){
			i = 0;		
		}
	}	
}

int main(void){
	cv::namedWindow("Number View");
	pthread_t id;
	pthread_create(&id,NULL,imshowWorker,NULL);
	getchar();
	return (0);
}

也就是每次更新图片后手工调用代码

cv::waitKey(30);

这个等候时间，只要大于0即可,比如：

cv::waitKey(1);

参考链接

c++ opencv image not display inside the boost thread

文件'/var/lib/update-notifier/package-data-downloads/partial/adobe-flashplugin_20170912.1.orig.tar.gz'无法被用户'_apt'访问，无法降低权限以进行下载。 - pkgAcquire::Run (13: 权限不够)

最近在更新Ubuntu 16.04系统的时候，发现总是在安装Adobe Flash更新的时候失败，提示如下信息：

正在处理用于 update-notifier-common (3.168.5) 的触发器 ...
flashplugin-installer: processing...
flashplugin-installer: downloading http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_20170912.1.orig.tar.gz
获取:1 http://archive.canonical.com/pool/partner/a/adobe-flashplugin/adobe-flashplugin_20170912.1.orig.tar.gz [30.4 MB]
37% [1 /var/lib/update-notifier/package-data-downloads/partial/adobe-flashplugi

已下载 30.4 MB，耗时 10分 11秒 (49.8 kB/s)                                     
W: 文件'/var/lib/update-notifier/package-data-downloads/partial/adobe-flashplugin_20170912.1.orig.tar.gz'无法被用户'_apt'访问，无法降低权限以进行下载。 - pkgAcquire::Run (13: 权限不够)
E: 下载失败

如果系统语言是英文的，可能看到下面的信息：

W: Can't drop privileges for downloading as file '/var/lib/update-notifier/package-data-downloads/partial/adobe-flashplugin_20170912.1.orig.tar.gz' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)

解决方法如下：

$ sudo chown -R _apt:root /var/lib/update-notifier/package-data-downloads/partial/

$ sudo rm /var/lib/update-notifier/package-data-downloads/partial/*.FAILED

$ sudo apt install --reinstall update-notifier-common

$ sudo apt-get install --reinstall flashplugin-installer

这样,就可以正常安装更新了。

参考链接

Can't drop privileges for downloading as file '/var/lib/update-notifier/package-data-downloads/partial/andale32.exe' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)