patches/gmp/4.2.2/100-mpf_set_str.c.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Thu Jul 31 09:08:33 2008 +0000 (2008-07-31)
changeset 752 b037a5643e04
permissions -rw-r--r--
Have the glibc build use the cross-objdump, rather than the host one.
On some distros (eg. Fedora), the native objdump can not interpret objects not for the native system, and thus fail.
This commit adds a new patch against glibc-2.7 that introduces OBJDUMP_FOR_HOST, wich, if set, overides the detected objdump.

Note: bizarely enough, glibc already has code to detect the cross-objdump, but that does not work for an unknown reason... :-(

/trunk/patches/glibc/2.7/220-objdump_for_host.patch | 13 13 0 0 +++++++++
/trunk/scripts/build/libc_glibc.sh | 37 21 16 0 +++++++++++++++------------
2 files changed, 34 insertions(+), 16 deletions(-)
     1 Original patch from http://gmplib.org/patches/mpf_set_str.c.diff
     2 Re-diffed to match crosstool-NG conventions.
     3 
     4 diff -dur gmp-4.2.2.orig/mpf/set_str.c gmp-4.2.2/mpf/set_str.c
     5 --- gmp-4.2.2.orig/mpf/set_str.c	2007-08-30 20:31:40.000000000 +0200
     6 +++ gmp-4.2.2/mpf/set_str.c	2008-01-28 23:05:29.000000000 +0100
     7 @@ -271,8 +271,29 @@
     8        }
     9  
    10      if (expptr != 0)
    11 -      /* FIXME: Should do some error checking here.  */
    12 -      exp_in_base = strtol (expptr, (char **) 0, exp_base);
    13 +      {
    14 +	/* Scan and convert the exponent, in base exp_base.  */
    15 +	long dig, neg = -(long) ('-' == expptr[0]);
    16 +	expptr -= neg;			/* conditional increment */
    17 +	c = (unsigned char) *expptr++;
    18 +	dig = digit_value[c];
    19 +	if (dig >= exp_base)
    20 +	  {
    21 +	    TMP_FREE;
    22 +	    return -1;
    23 +	  }
    24 +	exp_in_base = dig;
    25 +	c = (unsigned char) *expptr++;
    26 +	dig = digit_value[c];
    27 +	while (dig < exp_base)
    28 +	  {
    29 +	    exp_in_base = exp_in_base * exp_base;
    30 +	    exp_in_base += dig;
    31 +	    c = (unsigned char) *expptr++;
    32 +	    dig = digit_value[c];
    33 +	  }
    34 +	exp_in_base = (exp_in_base ^ neg) - neg; /* conditional negation */
    35 +      }
    36      else
    37        exp_in_base = 0;
    38      if (dotpos != 0)