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Re: Multiple definition of ... during linking of libc.a

From: Jean Charles Mammana <mammana at gostai dot com>
To: crossgcc at sourceware dot org
Date: Thu, 26 Aug 2010 17:26:29 +0200
Subject: Re: Multiple definition of ... during linking of libc.a
References: <4C7514D6.8040209@gostai.com>

Here, my config file for crosstool 1.8.1 for the same toolchain.
You need to download the linux-2.6.27.47.tar.gz tarball separately.

Please, help. I stuck on this problem for two day :(

Jean Charles Mammana a écrit :

Hi all, I'm trying to make a toolchain for ARM using crosstool-ng-1.8.0 on Ubuntu 10.04. At the end of building libc, I have some linker errors :

[ALL ] arm-gostai-linux-gnueabi-gcc -nostdlib -nostartfiles -static -o /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/elf/sln /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/csu/crt1.o /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/csu/crti.o `arm-gostai-linux-gnueabi-gcc --print-file-name=crtbegin.o` /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/elf/sln.o /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a -lgcc -lgcc_eh /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a `arm-gostai-linux-gnueabi-gcc --print-file-name=crtend.o` /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/csu/crtn.o

[ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-sysdep.o): In function `_dl_important_hwcaps': [ALL ] dl-sysdep.c:(.text+0x4): multiple definition of `_dl_important_hwcaps' [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-support.o):dl-support.c:(.text+0x298): first defined here [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/gcc-core-shared/lib/gcc/arm-gostai-linux-gnueabi/4.2.2/../../../../arm-gostai-linux-gnueabi/bin/ld: Warning: size of symbol `_dl_important_hwcaps' changed from 40 in /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-support.o) to 1572 in /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-sysdep.o)

[ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-sysdep.o):(.data.rel.ro+0x4): multiple definition of `__libc_stack_end' [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-support.o):(.data.rel.ro+0x0): first defined here [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-sysdep.o):(.data.rel.ro+0x0): multiple definition of `__libc_enable_secure' [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(enbl-secure.o):(.data.rel.ro+0x0): first defined here [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(init-first.o):(.data+0x0): multiple definition of `__libc_multiple_libcs' [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-sysdep.o):(.bss+0x0): first defined here [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-sysdep.o): In function `_dl_important_hwcaps': [ALL ] dl-sysdep.c:(.text+0x600): undefined reference to `_dl_hwcap_mask' [ALL ] /home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/libc.a(dl-sysdep.o): In function `_dl_sysdep_start': [ALL ] dl-sysdep.c:(.text+0xb24): undefined reference to `_dl_argc' [ALL ] dl-sysdep.c:(.text+0xb3c): undefined reference to `_dl_fpu_control' [ALL ] collect2: ld returned 1 exit status [ERROR] make[3]: *** [/home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc/elf/sln] Error 1 [ALL ] make[3]: Leaving directory `/home/gostai/crosstool-ng-1.8.0/toolchain/targets/src/glibc-2.7/elf' [ERROR] make[2]: *** [elf/others] Error 2 [ALL ] make[2]: Leaving directory `/home/gostai/crosstool-ng-1.8.0/toolchain/targets/src/glibc-2.7' [ERROR] make[1]: *** [all] Error 2 [ALL ] make[1]: Leaving directory `/home/gostai/crosstool-ng-1.8.0/toolchain/targets/arm-gostai-linux-gnueabi/build/build-libc'

[ERROR] Build failed in step 'Installing C library' [ERROR] Error happened in '/home/gostai/crosstool-ng-1.8.0/crosstool-ng-1.8.0-install/lib/ct-ng-1.8.0/scripts/functions' in function 'CT_DoExecLog' (line unknown, sorry) [ERROR] called from '/home/gostai/crosstool-ng-1.8.0/crosstool-ng-1.8.0-install/lib/ct-ng-1.8.0/scripts/build/libc/glibc.sh' at line # 496 in function 'do_libc' [ERROR] called from '/home/gostai/crosstool-ng-1.8.0/crosstool-ng-1.8.0-install/lib/ct-ng-1.8.0/scripts/crosstool-NG.sh' at line # 586 in function 'main' [ERROR] Look at '/home/gostai/x-tools/arm-gostai-linux-gnueabi/build.log' for more info on this error. [ERROR] (elapsed: 25:17.44)

The complete build.log is in attachement.

I do not know how to solve this problem.

Thanks.

#
# Automatically generated make config: don't edit
# crosstool-NG version: 1.8.1
# Thu Aug 26 12:53:33 2010
#
# CT_BACKEND is not set
CT_MODULES=y

#
# Paths and misc options
#

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

#
# Paths
#
CT_LOCAL_TARBALLS_DIR=""
CT_WORK_DIR="${CT_TOP_DIR}/targets"
CT_PREFIX_DIR="${HOME}/x-tools/${CT_TARGET}"
CT_INSTALL_DIR="${CT_PREFIX_DIR}"
CT_REMOVE_DOCS=y
CT_INSTALL_DIR_RO=y

#
# Downloading
#
# CT_FORBID_DOWNLOAD is not set
# CT_FORCE_DOWNLOAD is not set
# CT_USE_MIRROR is not set
CT_CONNECT_TIMEOUT=10
CT_DOWNLOAD_MAX_CHUNKS=5
# CT_ONLY_DOWNLOAD is not set

#
# Extracting
#
# CT_FORCE_EXTRACT is not set
CT_OVERIDE_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_BUNDLED_FALLBACK_LOCAL is not set
# CT_PATCH_LOCAL_FALLBACK_BUNDLED is not set
# CT_PATCH_NONE is not set
CT_PATCH_ORDER="bundled"
# CT_PATCH_SINGLE is not set
# CT_PATCH_USE_LOCAL is not set

#
# Build behavior
#
CT_PARALLEL_JOBS=1
CT_LOAD=0
CT_USE_PIPES=y
# 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=y
# CT_LOG_EXTRA is not set
# CT_LOG_ALL is not set
# CT_LOG_DEBUG is not set
CT_LOG_LEVEL_MAX="INFO"
# 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="arm"
CT_ARCH_SUPPORTS_BOTH_MMU=y
CT_ARCH_SUPPORTS_BOTH_ENDIAN=y
CT_ARCH_SUPPORTS_32=y
# CT_ARCH_SUPPORTS_64 is not set
CT_ARCH_SUPPORT_ARCH=y
# CT_ARCH_SUPPORT_ABI is not set
CT_ARCH_SUPPORT_CPU=y
CT_ARCH_SUPPORT_TUNE=y
CT_ARCH_SUPPORT_FPU=y
CT_ARCH_DEFAULT_HAS_MMU=y
# CT_ARCH_DEFAULT_BE is not set
CT_ARCH_DEFAULT_LE=y
CT_ARCH_DEFAULT_32=y
# CT_ARCH_DEFAULT_64 is not set
CT_ARCH_ARCH=""
CT_ARCH_CPU=""
CT_ARCH_TUNE=""
CT_ARCH_FPU=""
# CT_ARCH_BE is not set
CT_ARCH_LE=y
CT_ARCH_32=y
# CT_ARCH_64 is not set
CT_ARCH_BITNESS=32
# CT_ARCH_FLOAT_HW is not set
CT_ARCH_FLOAT_SW=y
CT_TARGET_CFLAGS=""
CT_TARGET_LDFLAGS=""

#
# General target options
#
# CT_ARCH_alpha is not set
CT_ARCH_arm=y
# CT_ARCH_avr32 is not set
# CT_ARCH_blackfin is not set
# CT_ARCH_ia64 is not set
# CT_ARCH_m68k is not set
# CT_ARCH_mips is not set
# CT_ARCH_powerpc is not set
# CT_ARCH_s390 is not set
# CT_ARCH_sh is not set
# CT_ARCH_x86 is not set
CT_ARCH_alpha_AVAILABLE=y
# CT_ARCH_ALPHA_EV4 is not set
# CT_ARCH_ALPHA_EV45 is not set
# CT_ARCH_ALPHA_EV5 is not set
# CT_ARCH_ALPHA_EV56 is not set
# CT_ARCH_ALPHA_EV6 is not set
# CT_ARCH_ALPHA_EV67 is not set
CT_ARCH_arm_AVAILABLE=y
CT_ARCH_ARM_MODE="arm"
CT_ARCH_ARM_MODE_ARM=y
# CT_ARCH_ARM_MODE_THUMB is not set
CT_ARCH_ARM_EABI=y
CT_ARCH_avr32_AVAILABLE=y
CT_ARCH_blackfin_AVAILABLE=y
CT_ARCH_ia64_AVAILABLE=y
CT_ARCH_m68k_AVAILABLE=y
CT_ARCH_mips_AVAILABLE=y
CT_ARCH_powerpc_AVAILABLE=y
CT_ARCH_s390_AVAILABLE=y
CT_ARCH_sh_AVAILABLE=y
CT_ARCH_x86_AVAILABLE=y
CT_ARCH_USE_MMU=y

#
# Target optimisations
#

#
# Toolchain options
#

#
# General toolchain options
#
CT_USE_SYSROOT=y
CT_SYSROOT_DIR_PREFIX=""

#
# 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=""

#
# Operating System
#
# CT_BARE_METAL is not set
# CT_MINGW32 is not set
CT_KERNEL_SUPPORTS_SHARED_LIBS=y
CT_KERNEL="linux"
# CT_KERNEL_bare_metal is not set
CT_KERNEL_linux=y
# CT_KERNEL_mingw32 is not set
CT_KERNEL_bare_metal_AVAILABLE=y
CT_KERNEL_linux_AVAILABLE=y
CT_KERNEL_LINUX_INSTALL=y
# CT_KERNEL_V_2_6_34_1 is not set
# CT_KERNEL_V_2_6_34 is not set
# CT_KERNEL_V_2_6_33_6 is not set
# CT_KERNEL_V_2_6_33_5 is not set
# CT_KERNEL_V_2_6_33_4 is not set
# CT_KERNEL_V_2_6_33_3 is not set
# CT_KERNEL_V_2_6_33_2 is not set
# CT_KERNEL_V_2_6_33_1 is not set
# CT_KERNEL_V_2_6_33 is not set
# CT_KERNEL_V_2_6_32_16 is not set
# CT_KERNEL_V_2_6_31_14 is not set
# CT_KERNEL_V_2_6_30_10 is not set
# CT_KERNEL_V_2_6_27_48 is not set
CT_KERNEL_LINUX_CUSTOM=y
CT_KERNEL_LINUX_CUSTOM_TARBALL="/home/jyce/crosstool-ng-1.8.1/toolchain/linux-2.6.27.47.tar.gz"
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
# CT_KERNEL_LINUX_USE_CUSTOM_HEADERS is not set
CT_KERNEL_mingw32_AVAILABLE=y

#
# Common kernel options
#
CT_SHARED_LIBS=y

#
# Binary utilities
#
CT_ARCH_BINFMT_ELF=y
# CT_ARCH_BINFMT_FLAT is not set
# CT_ARCH_BINFMT_FDPIC is not set

#
# GNU binutils
#
# CT_BINUTILS_V_2_20_1 is not set
# CT_BINUTILS_V_2_20 is not set
# CT_BINUTILS_V_2_19_1 is not set
# CT_BINUTILS_V_2_19 is not set
# CT_BINUTILS_V_2_18 is not set
CT_BINUTILS_V_2_17=y
# CT_BINUTILS_V_2_16_1 is not set
CT_BINUTILS_VERSION="2.17"
CT_BINUTILS_EXTRA_CONFIG=""
# CT_BINUTILS_FOR_TARGET is not set

#
# sstrip
#
# CT_SSTRIP is not set

#
# C compiler
#
CT_CC="gcc"
CT_CC_VERSION="4.2.2"
CT_CC_gcc=y
# CT_CC_V_4_5_0 is not set
# CT_CC_V_4_4_4 is not set
# CT_CC_V_4_4_3 is not set
# CT_CC_V_4_4_2 is not set
# CT_CC_V_4_4_1 is not set
# CT_CC_V_4_4_0 is not set
# CT_CC_V_4_3_4 is not set
# CT_CC_V_4_3_3 is not set
# CT_CC_V_4_3_2 is not set
# CT_CC_V_4_3_1 is not set
# CT_CC_V_4_2_4 is not set
# CT_CC_V_4_2_3 is not set
CT_CC_V_4_2_2=y
# CT_CC_V_4_2_1 is not set
# CT_CC_V_4_2_0 is not set
# CT_CC_V_4_1_2 is not set
# CT_CC_V_4_0_4 is not set
# CT_CC_V_3_4_6 is not set
CT_CC_GCC_4_2_or_later=y
# CT_CC_GCC_4_3_or_later is not set
# CT_CC_GCC_4_4_or_later is not set
# CT_CC_GCC_4_5_or_later is not set
# CT_CC_GCC_USE_GMP_MPFR is not set
# CT_CC_GCC_USE_PPL_CLOOG is not set
# CT_CC_GCC_USE_MPC_LIBELF is not set
CT_CC_ENABLE_CXX_FLAGS=""
CT_CC_CORE_EXTRA_CONFIG=""
CT_CC_EXTRA_CONFIG=""
CT_CC_SUPPORT_CXX=y
CT_CC_SUPPORT_FORTRAN=y
CT_CC_SUPPORT_JAVA=y
CT_CC_SUPPORT_ADA=y
CT_CC_SUPPORT_OBJC=y
CT_CC_SUPPORT_OBJCXX=y

#
# Additional supported languages:
#
CT_CC_LANG_CXX=y
# CT_CC_LANG_FORTRAN is not set
# CT_CC_LANG_JAVA is not set

#
# gcc other options
#
CT_CC_GCC_ENABLE_TARGET_OPTSPACE=y

#
# 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_LIBMUDFLAP is not set

#
# C-library
#
CT_LIBC="glibc"
CT_LIBC_VERSION="2.7"
# CT_LIBC_eglibc is not set
CT_LIBC_glibc=y
# CT_LIBC_mingw is not set
# CT_LIBC_newlib is not set
# CT_LIBC_none is not set
# CT_LIBC_uClibc is not set
CT_LIBC_eglibc_AVAILABLE=y
# CT_LIBC_V_2_10 is not set
# CT_EGLIBC_V_2_9 is not set
# CT_EGLIBC_V_2_8 is not set
# CT_EGLIBC_V_2_7 is not set
# CT_EGLIBC_V_2_6 is not set
# CT_EGLIBC_V_2_5 is not set
# CT_EGLIBC_V_TRUNK is not set
CT_LIBC_glibc_AVAILABLE=y
CT_LIBC_GLIBC_TARBALL=y
# CT_LIBC_GLIBC_V_2_11_1 is not set
# CT_LIBC_GLIBC_V_2_11 is not set
# CT_LIBC_V_2_10_1 is not set
# CT_LIBC_V_2_9 is not set
# CT_LIBC_V_2_8 is not set
CT_LIBC_V_2_7=y
# CT_LIBC_V_2_6_1 is not set
# CT_LIBC_V_2_6 is not set
# CT_LIBC_V_2_5_1 is not set
# CT_LIBC_V_2_5 is not set
# CT_LIBC_V_2_3_6 is not set
CT_LIBC_mingw_AVAILABLE=y
CT_LIBC_newlib_AVAILABLE=y
CT_LIBC_none_AVAILABLE=y
CT_LIBC_uClibc_AVAILABLE=y

#
# glibc/eglibc common options
#
CT_LIBC_GLIBC_EXTRA_CONFIG=""
CT_LIBC_GLIBC_CONFIGPARMS=""
CT_LIBC_GLIBC_EXTRA_CFLAGS=""
CT_LIBC_EXTRA_CC_ARGS=""
CT_LIBC_GLIBC_USE_PORTS=y
CT_LIBC_ADDONS_LIST=""

#
# WARNING !!!                                            
#

#
#   For glibc >= 2.8, it can happen that the tarballs    
#

#
#   for the addons are not available for download.       
#

#
#   If that happens, bad luck... Try a previous version  
#

#
#   or try again later... :-(                            
#
# CT_LIBC_GLIBC_KERNEL_VERSION_NONE is not set
CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS=y
# CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN is not set
CT_LIBC_GLIBC_MIN_KERNEL=""
CT_LIBC_SUPPORT_THREADS_ANY=y
CT_LIBC_SUPPORT_NPTL=y
CT_LIBC_SUPPORT_LINUXTHREADS=y
# CT_LIBC_SUPPORT_WIN32THREADS is not set
CT_THREADS="nptl"

#
# Common C library options
#
CT_THREADS_NPTL=y
# CT_THREADS_LINUXTHREADS is not set
# CT_THREADS_WIN32THREADS is not set
# CT_THREADS_NONE is not set
CT_LIBC_XLDD=y

#
# Debug facilities
#
# CT_DEBUG_dmalloc is not set
# CT_DEBUG_duma is not set
# CT_DEBUG_gdb is not set
# CT_DEBUG_ltrace is not set
# CT_DEBUG_strace is not set

#
# Companion libraries
#

#
# FIXME: check real dependencies!!!
#
# CT_COMPLIBS is not set
# CT_WRAPPER_NEEDED is not set

--
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References:
- Multiple definition of ... during linking of libc.a
  - From: Jean Charles Mammana

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