0.9.32.2 build breaks on sparc due to __libc_sigaction.

Rob Landley rob at landley.net
Tue Feb 2 02:49:36 UTC 2010


On Monday 01 February 2010 13:47:04 Austin Foxley wrote:
> On 02/01/2010 02:25 AM, Rob Landley wrote:
> > Here's a patch that makes it compile for me.  I'm almost certain it's not
> > the RIGHT fix, it's just "taking what brk.c in the same directory seems
> > to be doing and throwing in one extra line because something in another
> > file is calling __libc_sigaction directly for some reason so do the the
> > funky elf symbol symlinking thing to get it to shut up".
> >
> > When you tell me _why_ this patch is wrong, could somebody please explain
> > why brk.c does it differently, and why the C library is going out of its
> > way to only export weak symbols for something susv4 says it should define
> > (and for that matter, was in the version of posix released 22 years ago
> > according to the change history).
> >
> >   http://www.opengroup.org/onlinepubs/9699919799/functions/sigaction.html
> >
> > I do not understand this at _all_.
>
> Yeah join the club. Thanks for pointing this out. I have no problem with
> your patch and is what I would have done if I had hit this build error.
> Still confused why I didn't hit this though...
>
> -Austin

Have a .config file.  (I'm building essentially the same miniconfig on a bunch of 
different architectures, only the first couple lines differ.)

Rob
-- 
Latency is more important than throughput. It's that simple. - Linus Torvalds
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#
# Automatically generated make config: don't edit
# Version: 0.9.30.2
# Mon Feb  1 20:27:06 2010
#
# TARGET_alpha is not set
# TARGET_arm is not set
# 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=y
# 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="sparc"
FORCE_OPTIONS_FOR_ARCH=y
# CONFIG_SPARC_V7 is not set
CONFIG_SPARC_V8=y
# CONFIG_SPARC_V9 is not set
# CONFIG_SPARC_V9B is not set
TARGET_SUBARCH=""

#
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#
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KERNEL_HEADERS="/usr/include"
HAVE_DOT_CONFIG=y

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MALLOC_GLIBC_COMPAT=y
UCLIBC_DYNAMIC_ATEXIT=y
# COMPAT_ATEXIT is not set
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UCLIBC_BSD_SPECIFIC=y
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UCLIBC_HAS_OBSOLETE_BSD_SIGNAL=y
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# UCLIBC_HAS_BSD_RES_CLOSE is not set

#
# String and Stdio Support
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# UCLIBC_HAS_CTYPE_CHECKED is not set
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# UCLIBC_HAS_LOCALE is not set
# UCLIBC_HAS_HEXADECIMAL_FLOATS is not set
UCLIBC_HAS_GLIBC_CUSTOM_PRINTF=y
UCLIBC_PRINTF_SCANF_POSITIONAL_ARGS=9
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# UCLIBC_HAS_STDIO_BUFSIZ_512 is not set
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# UCLIBC_HAS_STDIO_BUFSIZ_2048 is not set
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# 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
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# Big and Tall
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UCLIBC_HAS_GNU_GLOB=y

#
# Library Installation Options
#
SHARED_LIB_LOADER_PREFIX="$(RUNTIME_PREFIX)lib"
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DEVEL_PREFIX="/usr/$(TARGET_ARCH)-linux-uclibc/usr/"
HARDWIRED_ABSPATH="y"

#
# Security options
#
# UCLIBC_HAS_ARC4RANDOM is not set
# HAVE_NO_SSP is not set
# UCLIBC_HAS_SSP is not set
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UCLIBC_BUILD_NOEXECSTACK=y

#
# uClibc development/debugging options
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# UCLIBC_MALLOC_DEBUGGING is not set
WARNINGS="-Wall"
# EXTRA_WARNINGS is not set
# DOMULTI is not set
# UCLIBC_MJN3_ONLY is not set


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