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Bug#509571: gcc-4.3: stddef.h sometimes does not define ptrdiff_t



Package: gcc-4.3
Version: 4.3.2-1
Severity: important
File: /usr/lib/gcc/i486-linux-gnu/4.3/include/stddef.h


When certain combinations of headers precede <stddef.h>, ptrdiff_t
does not get defined.  The particular sequence that triggered it for
me was <wchar.h>, <wctype.h>, <stddef.h> but that might not be the
only one.

$ cat tmp1.c
#include        <wchar.h>
#include        <wctype.h>
#include        <stddef.h>

ptrdiff_t x = 1;
$ gcc -c tmp1.c
tmp1.c:5: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'x'

The problem doesn't happen if <wchar.h> and <wctype.h> are the other way
round.

$ cat tmp2.c
#include        <wctype.h>
#include        <wchar.h>
#include        <stddef.h>

ptrdiff_t x = 1;
$ gcc -c tmp2.c
$ 


-- System Information:
Debian Release: 5.0
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-1-686 (SMP w/8 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages gcc-4.3 depends on:
ii  binutils            2.18.1~cvs20080103-7 The GNU assembler, linker and bina
ii  cpp-4.3             4.3.2-1              The GNU C preprocessor
ii  gcc-4.3-base        4.3.2-1              The GNU Compiler Collection (base 
ii  libc6               2.7-16               GNU C Library: Shared libraries
ii  libgcc1             1:4.3.2-1            GCC support library
ii  libgomp1            4.3.2-1              GCC OpenMP (GOMP) support library

Versions of packages gcc-4.3 recommends:
ii  libc6-dev                     2.7-16     GNU C Library: Development Librari

Versions of packages gcc-4.3 suggests:
pn  gcc-4.3-doc                   <none>     (no description available)
pn  gcc-4.3-locales               <none>     (no description available)
pn  gcc-4.3-multilib              <none>     (no description available)
pn  libgcc1-dbg                   <none>     (no description available)
pn  libgomp1-dbg                  <none>     (no description available)
pn  libmudflap0-4.3-dev           <none>     (no description available)
pn  libmudflap0-dbg               <none>     (no description available)

-- no debconf information



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