uClibc-0.9.31 for ARM, linker problem

Tue Feb 1 09:45:49 UTC 2011

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On 1/31/2011 8:09 PM, Carmelo Amoroso wrote:
> On 30/01/11 22:35, Torsten Mohr wrote:
>  > Hello,
>  >
>  > i try to compile uClibc-0.9.31 for target ARM, which fails. There are the
>  > same problems for uClibc-0.9.32-rc2:
>  >
>  > I configured and installed binutils-2.21 and gcc-4.5.2 for arm-linux-elf.
>  > I compile with:
>  >
>  > make CROSS=arm-linux-elf-
>  > KERNEL_HEADERS=/local/armbuild/sysroot/usr/include/include
>  >
>  > At linking i get:
>  >
>  > libc/libc_so.a(dl-iterate-phdr.oS): In function `dl_iterate_phdr':
>  > dl-iterate-phdr.c:(.text+0x80): undefined reference to `_dl_loaded_modules'
>  > libc/libc_so.a(__uClibc_main.oS): In function `__uClibc_fini':
>  > __uClibc_main.c:(.text+0xb0): undefined reference to `_dl_app_fini_array'
>  > libc/libc_so.a(__uClibc_main.oS): In function `__uClibc_main':
>  > __uClibc_main.c:(.text+0x25c): undefined reference to `_dl_app_init_array'
>  > collect2: ld returned 1 exit status
>  > make: *** [lib/libc.so] Fehler 1
>  >
>  >
>  > After changing in libc/misc/internals/__uClibc_main.c (found in the archives):
>  >
>  > From:
>  > extern void _dl_app_init_array(void);
>  > extern void _dl_app_fini_array(void);
>  >
>  > To:
>  > extern void weak_function _dl_app_init_array(void) attribute_hidden;
>  > extern void weak_function _dl_app_fini_array(void) attribute_hidden;
>  >
>  > Now i still get:
>  > libc/libc_so.a(dl-iterate-phdr.oS): In function `dl_iterate_phdr':
>  > dl-iterate-phdr.c:(.text+0x80): undefined reference to `_dl_loaded_modules'
>  > collect2: ld returned 1 exit status
>  > make: *** [lib/libc.so] Fehler 1
>  >
>  >
>  > Can anybody tell me how to compile uClibc?
>  >
>  > I'm not sure if the change above is ok, can anybody comment?
>  >
>  > How can i get rid of the second error?
>  >
>  >
>  > My .config, for reference:
>  > #
>  > # Automatically generated make config: don't edit
>  > # Version: 0.9.31
>  > # Sun Jan 30 21:42:50 2011
>  > #
>  > # TARGET_alpha is not set
>  > TARGET_arm=y
>  > # TARGET_avr32 is not set
>  > # TARGET_bfin is not set
>  > # TARGET_cris is not set
>  > # TARGET_e1 is not set
>  > # TARGET_frv is not set
>  > # TARGET_h8300 is not set
>  > # TARGET_hppa is not set
>  > # TARGET_i386 is not set
>  > # TARGET_i960 is not set
>  > # TARGET_ia64 is not set
>  > # TARGET_m68k is not set
>  > # TARGET_microblaze is not set
>  > # TARGET_mips is not set
>  > # TARGET_nios is not set
>  > # TARGET_nios2 is not set
>  > # TARGET_powerpc is not set
>  > # TARGET_sh is not set
>  > # TARGET_sh64 is not set
>  > # TARGET_sparc is not set
>  > # TARGET_v850 is not set
>  > # TARGET_vax is not set
>  > # TARGET_x86_64 is not set
>  > # TARGET_xtensa is not set
>  >
>  > #
>  > # Target Architecture Features and Options
>  > #
>  > TARGET_ARCH="arm"
>  > FORCE_OPTIONS_FOR_ARCH=y
>  > # CONFIG_ARM_OABI is not set
>  > CONFIG_ARM_EABI=y
>  > CONFIG_GENERIC_ARM=y
>  > # CONFIG_ARM610 is not set
>  > # CONFIG_ARM710 is not set
>  > # CONFIG_ARM7TDMI is not set
>  > # CONFIG_ARM720T is not set
>  > # CONFIG_ARM920T is not set
>  > # CONFIG_ARM922T is not set
>  > # CONFIG_ARM926T is not set
>  > # CONFIG_ARM10T is not set
>  > # CONFIG_ARM1136JF_S is not set
>  > # CONFIG_ARM1176JZ_S is not set
>  > # CONFIG_ARM1176JZF_S is not set
>  > # CONFIG_ARM_CORTEX_M3 is not set
>  > # CONFIG_ARM_CORTEX_M1 is not set
>  > # CONFIG_ARM_SA110 is not set
>  > # CONFIG_ARM_SA1100 is not set
>  > # CONFIG_ARM_XSCALE is not set
>  > # CONFIG_ARM_IWMMXT is not set
>  > TARGET_SUBARCH=""
>  >
>  > #
>  > # Using ELF file format
>  > #
>  > ARCH_ANY_ENDIAN=y
>  > ARCH_LITTLE_ENDIAN=y
>  > # ARCH_WANTS_BIG_ENDIAN is not set
>  > ARCH_WANTS_LITTLE_ENDIAN=y
>  > ARCH_HAS_MMU=y
>  > ARCH_USE_MMU=y
>  > UCLIBC_HAS_FLOATS=y
>  > UCLIBC_HAS_FPU=y
>  > DO_C99_MATH=y
>  > DO_XSI_MATH=y
>  > UCLIBC_HAS_FENV=y
>  > KERNEL_HEADERS="/opt/arm-linux-elf/include"
>  > HAVE_DOT_CONFIG=y
>  >
>  > #
>  > # General Library Settings
>  > #
>  > # HAVE_NO_PIC is not set
>  > DOPIC=y
>  > # ARCH_HAS_NO_SHARED is not set
>  > # ARCH_HAS_NO_LDSO is not set
>  > HAVE_SHARED=y
>  > # FORCE_SHAREABLE_TEXT_SEGMENTS is not set
>  > LDSO_LDD_SUPPORT=y
>  > # LDSO_CACHE_SUPPORT is not set
>  > # LDSO_PRELOAD_FILE_SUPPORT is not set
>  > # UCLIBC_STATIC_LDCONFIG is not set
>  > LDSO_RUNPATH=y
>  > LDSO_SEARCH_INTERP_PATH=y
>  > UCLIBC_CTOR_DTOR=y
>  > # LDSO_GNU_HASH_SUPPORT is not set
>  > # HAS_NO_THREADS is not set
>  > LINUXTHREADS_OLD=y
>  > # LINUXTHREADS_NEW is not set
>  > UCLIBC_HAS_THREADS=y
>  > # PTHREADS_DEBUG_SUPPORT is not set
>  > UCLIBC_HAS_SYSLOG=y
>  > UCLIBC_HAS_LFS=y
>  > # MALLOC is not set
>  > # MALLOC_SIMPLE is not set
>  > MALLOC_STANDARD=y
>  > MALLOC_GLIBC_COMPAT=y
>  > UCLIBC_DYNAMIC_ATEXIT=y
>  > # COMPAT_ATEXIT is not set
>  > UCLIBC_SUSV3_LEGACY=y
>  > # UCLIBC_SUSV3_LEGACY_MACROS is not set
>  > UCLIBC_SUSV4_LEGACY=y
>  > # UCLIBC_HAS_STUBS is not set
>  > UCLIBC_HAS_SHADOW=y
>  > # UCLIBC_HAS_PROGRAM_INVOCATION_NAME is not set
>  > UCLIBC_HAS_PTY=y
>  > ASSUME_DEVPTS=y
>  > UNIX98PTY_ONLY=y
>  > UCLIBC_HAS_GETPT=y
>  > UCLIBC_HAS_LIBUTIL=y
>  > UCLIBC_HAS_TM_EXTENSIONS=y
>  > UCLIBC_HAS_TZ_CACHING=y
>  > UCLIBC_HAS_TZ_FILE=y
>  > UCLIBC_HAS_TZ_FILE_READ_MANY=y
>  > UCLIBC_TZ_FILE_PATH="/etc/TZ"
>  >
>  > #
>  > # Advanced Library Settings
>  > #
>  > UCLIBC_PWD_BUFFER_SIZE=256
>  > UCLIBC_GRP_BUFFER_SIZE=256
>  >
>  > #
>  > # Support various families of functions
>  > #
>  > UCLIBC_LINUX_MODULE_24=y
>  > UCLIBC_LINUX_SPECIFIC=y
>  > UCLIBC_HAS_GNU_ERROR=y
>  > UCLIBC_BSD_SPECIFIC=y
>  > UCLIBC_HAS_BSD_ERR=y
>  > # UCLIBC_HAS_OBSOLETE_BSD_SIGNAL is not set
>  > # UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL is not set
>  > # UCLIBC_NTP_LEGACY is not set
>  > UCLIBC_SV4_DEPRECATED=y
>  > UCLIBC_HAS_REALTIME=y
>  > UCLIBC_HAS_ADVANCED_REALTIME=y
>  > UCLIBC_HAS_EPOLL=y
>  > UCLIBC_HAS_XATTR=y
>  > UCLIBC_HAS_PROFILING=y
>  > UCLIBC_HAS_CRYPT_IMPL=y
>  > UCLIBC_HAS_CRYPT=y
>  > UCLIBC_HAS_NETWORK_SUPPORT=y
>  > UCLIBC_HAS_SOCKET=y
>  > UCLIBC_HAS_IPV4=y
>  > # UCLIBC_HAS_IPV6 is not set
>  > # UCLIBC_HAS_RPC is not set
>  > UCLIBC_USE_NETLINK=y
>  > # UCLIBC_SUPPORT_AI_ADDRCONFIG is not set
>  > # UCLIBC_HAS_BSD_RES_CLOSE is not set
>  > UCLIBC_HAS_COMPAT_RES_STATE=y
>  > # UCLIBC_HAS_EXTRA_COMPAT_RES_STATE is not set
>  > UCLIBC_HAS_LIBRESOLV_STUB=y
>  > UCLIBC_HAS_LIBNSL_STUB=y
>  >
>  > #
>  > # String and Stdio Support
>  > #
>  > # UCLIBC_HAS_STRING_GENERIC_OPT is not set
>  > UCLIBC_HAS_STRING_ARCH_OPT=y
>  > UCLIBC_HAS_CTYPE_TABLES=y
>  > UCLIBC_HAS_CTYPE_SIGNED=y
>  > UCLIBC_HAS_CTYPE_UNSAFE=y
>  > # UCLIBC_HAS_CTYPE_CHECKED is not set
>  > # UCLIBC_HAS_CTYPE_ENFORCED is not set
>  > # UCLIBC_HAS_WCHAR is not set
>  > # UCLIBC_HAS_LOCALE is not set
>  > UCLIBC_HAS_HEXADECIMAL_FLOATS=y
>  > UCLIBC_HAS_GLIBC_CUSTOM_PRINTF=y
>  > # USE_OLD_VFPRINTF is not set
>  > UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS=9
>  > UCLIBC_HAS_SCANF_GLIBC_A_FLAG=y
>  > # UCLIBC_HAS_STDIO_BUFSIZ_NONE is not set
>  > # UCLIBC_HAS_STDIO_BUFSIZ_256 is not set
>  > # UCLIBC_HAS_STDIO_BUFSIZ_512 is not set
>  > # UCLIBC_HAS_STDIO_BUFSIZ_1024 is not set
>  > # UCLIBC_HAS_STDIO_BUFSIZ_2048 is not set
>  > UCLIBC_HAS_STDIO_BUFSIZ_4096=y
>  > # UCLIBC_HAS_STDIO_BUFSIZ_8192 is not set
>  > UCLIBC_HAS_STDIO_BUILTIN_BUFFER_NONE=y
>  > # UCLIBC_HAS_STDIO_BUILTIN_BUFFER_4 is not set
>  > # UCLIBC_HAS_STDIO_BUILTIN_BUFFER_8 is not set
>  > # UCLIBC_HAS_STDIO_SHUTDOWN_ON_ABORT is not set
>  > # UCLIBC_HAS_STDIO_GETC_MACRO is not set
>  > # UCLIBC_HAS_STDIO_PUTC_MACRO is not set
>  > UCLIBC_HAS_STDIO_AUTO_RW_TRANSITION=y
>  > # UCLIBC_HAS_FOPEN_LARGEFILE_MODE is not set
>  > UCLIBC_HAS_FOPEN_EXCLUSIVE_MODE=y
>  > UCLIBC_HAS_GLIBC_CUSTOM_STREAMS=y
>  > UCLIBC_HAS_PRINTF_M_SPEC=y
>  > UCLIBC_HAS_ERRNO_MESSAGES=y
>  > # UCLIBC_HAS_SYS_ERRLIST is not set
>  > UCLIBC_HAS_SIGNUM_MESSAGES=y
>  > # UCLIBC_HAS_SYS_SIGLIST is not set
>  > UCLIBC_HAS_GNU_GETOPT=y
>  > UCLIBC_HAS_GNU_GETSUBOPT=y
>  >
>  > #
>  > # Big and Tall
>  > #
>  > UCLIBC_HAS_REGEX=y
>  > # UCLIBC_HAS_REGEX_OLD is not set
>  > UCLIBC_HAS_FNMATCH=y
>  > # UCLIBC_HAS_FNMATCH_OLD is not set
>  > # UCLIBC_HAS_WORDEXP is not set
>  > UCLIBC_HAS_NFTW=y
>  > UCLIBC_HAS_FTW=y
>  > UCLIBC_HAS_GLOB=y
>  > UCLIBC_HAS_GNU_GLOB=y
>  >
>  > #
>  > # Library Installation Options
>  > #
>  > RUNTIME_PREFIX="/opt/arm-linux-elf/lib"
>  > DEVEL_PREFIX="/opt/arm-linux-elf/uclibc"
>  > MULTILIB_DIR="lib"
>  > HARDWIRED_ABSPATH=y
>  >
>  > #
>  > # Security options
>  > #
>  > # UCLIBC_BUILD_PIE is not set
>  > # UCLIBC_HAS_ARC4RANDOM is not set
>  > # HAVE_NO_SSP is not set
>  > # UCLIBC_HAS_SSP is not set
>  > UCLIBC_BUILD_RELRO=y
>  > UCLIBC_BUILD_NOW=y
>  > UCLIBC_BUILD_NOEXECSTACK=y
>  >
>  > #
>  > # uClibc development/debugging options
>  > #
>  > CROSS_COMPILER_PREFIX="arm-linux-elf-"
>  > UCLIBC_EXTRA_CFLAGS=""
>  > # DODEBUG is not set
>  > # DODEBUG_PT is not set
>  > DOSTRIP=y
>  > # DOASSERTS is not set
>  > # SUPPORT_LD_DEBUG is not set
>  > # SUPPORT_LD_DEBUG_EARLY is not set
>  > # UCLIBC_MALLOC_DEBUGGING is not set
>  > WARNINGS="-Wall"
>  > EXTRA_WARNINGS=y
>  > # DOMULTI is not set
>  > # UCLIBC_MJN3_ONLY is not set
>  > _______________________________________________
>  > uClibc mailing list
>  > uClibc at uclibc.org
>  > http://lists.busybox.net/mailman/listinfo/uclibc
>  >
> 
> I'll give it a try on my ARM target but it sounds to me very strange.
> 
> carmelo
> 

Hi,
I think that your toolchain is not properly configured, so it is not
using the dynamic linker from the uClibc (where these symbols are
defined)... I guess it is still using ld-linux.so.2.

Check your toolchain configuration, especially the value of --target.

Carmelo

> _______________________________________________
> uClibc mailing list
> uClibc at uclibc.org
> http://lists.busybox.net/mailman/listinfo/uclibc
> 

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