uClibc-0.9.31 for ARM, linker problem

Torsten Mohr tmohr at s.netic.de
Sun Jan 30 21:35:06 UTC 2011


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


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