patches/gcc/4.4.5/170-sparc64-bsd.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Feb 21 23:39:46 2011 +0100 (2011-02-21)
changeset 2312 8b9938edd3d8
permissions -rw-r--r--
libc/glibc: add fortify option

By default, recent versions of glibc and eglibc will build some
functions that take format strings (eg. printf, syslog...) with
run-time checks against some format string attacks. This is
called a fortified build.

Unfortunately, this fails somehow while building the instrumented
version of syslog, with some kind of circular dependency...

Disable fortified builds by default, and hide the enabling option
behind EXPERIMENTAL for daring users...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 diff -durN gcc-4.4.5.orig/gcc/config/sparc/freebsd.h gcc-4.4.5/gcc/config/sparc/freebsd.h
     2 --- gcc-4.4.5.orig/gcc/config/sparc/freebsd.h	2007-08-02 12:49:31.000000000 +0200
     3 +++ gcc-4.4.5/gcc/config/sparc/freebsd.h	2010-10-09 23:00:03.000000000 +0200
     4 @@ -25,9 +25,22 @@
     5  /* FreeBSD needs the platform name (sparc64) defined.
     6     Emacs needs to know if the arch is 64 or 32-bits.  */
     7  
     8 -#undef  CPP_CPU64_DEFAULT_SPEC
     9 -#define CPP_CPU64_DEFAULT_SPEC \
    10 -  "-D__sparc64__ -D__sparc_v9__ -D__sparcv9 -D__arch64__"
    11 +#undef  FBSD_TARGET_CPU_CPP_BUILTINS
    12 +#define FBSD_TARGET_CPU_CPP_BUILTINS()                  \
    13 +  do                                                    \
    14 +    {                                                   \
    15 +      if (TARGET_ARCH64)                                \
    16 +        {                                               \
    17 +          builtin_define ("__sparc64__");               \
    18 +          builtin_define ("__sparc_v9__");              \
    19 +          builtin_define ("__sparcv9");                 \
    20 +        }                                               \
    21 +      else                                              \
    22 +        builtin_define ("__sparc");                     \
    23 +      builtin_define ("__sparc__");                     \
    24 +    }                                                   \
    25 +  while (0)
    26 +
    27  
    28  #define LINK_SPEC "%(link_arch)						\
    29    %{!mno-relax:%{!r:-relax}}						\