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Re: Double backslashes in fixincl header (__FD_ZERO macro)
- From: Frank Heckenbach <frank at g-n-u dot de>
- To: bkorb at veritas dot com, gcc-bugs at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org, bkorb at gnu dot org
- Date: Fri, 6 May 2005 07:26:02 +0200
- Subject: Re: Double backslashes in fixincl header (__FD_ZERO macro)
- References: <200505051932.49830.bkorb@veritas.com>
Bruce Korb wrote:
> Frank wrote:
> > gcc-3.4.3 contains an incorrect header fix for "the __FD_ZERO macro
> > present in glibc 1.x". The file installed in
> > <prefix>/lib/gcc/i686-pc-linux-gnulibc1/3.4.3/include/gnu/types.h
> > contains the following, with spurious double-backslashes:
> [[...]]
> > This patch fixes the issue for me:
> >
> > --- gcc-3.4.3/gcc/fixinc/fixincl.x.orig Sat Aug 14 18:38:10 2004
> > +++ gcc-3.4.3/gcc/fixinc/fixincl.x Thu May 5 02:28:20 2005
> > @@ -124,13 +124,13 @@
> > #include_next <gnu/types.h>\n\n\
> > #if defined(__FD_ZERO) && !defined(__GLIBC__)\n\
> > #undef __FD_ZERO\n\
> > -# define __FD_ZERO(fdsetp) \\\\\n\
> > - do { \\\\\n\
> > - int __d0, __d1; \\\\\n\
> > -__asm__ __volatile__(\"cld ; rep ; stosl\" \\\\\n\
> > - \t: \"=&c\" (__d0), \"=&D\" (__d1) \\\\\n\
> > - \t: \"a\" (0), \"0\" (__FDSET_LONGS), \\\\\n\
> > - \"1\" ((__fd_set *) (fdsetp)) :\"memory\"); \\\\\n\
> > +# define __FD_ZERO(fdsetp) \\\n\
> > + do { \\\n\
> > + int __d0, __d1; \\\n\
> > +__asm__ __volatile__(\"cld ; rep ; stosl\" \\\n\
> > + \t: \"=&c\" (__d0), \"=&D\" (__d1) \\\n\
> > + \t: \"a\" (0), \"0\" (__FDSET_LONGS), \\\n\
> > + \"1\" ((__fd_set *) (fdsetp)) :\"memory\"); \\\n\
> > } while (0)\n\
> > #endif\n\n\
> > #define _TYPES_H_WRAPPER\n\
>
> Hi Frank,
>
> I do not know where you got your code, but what you have is not what
> was released and not what is under CVS. Your patch to fixincl.x
> will correct the deviation from the released source. I just downloaded
> the distro from ftp.gnu.org:
>
> > $ md5sum *tar.bz2
> > d2cbfe8fc3205c1d7969b26377405778 gcc-core-3.4.3.tar.bz2
Script started on Fri May 6 07:14:34 2005
# md5sum gcc-core-3.4.3.tar.bz2
d2cbfe8fc3205c1d7969b26377405778 gcc-core-3.4.3.tar.bz2
# tar xjf gcc-core-3.4.3.tar.bz2 \*.x
# head -134 gcc-3.4.3/gcc/fixinc/fixincl.x | tail -7
do { \\\\\n\
int __d0, __d1; \\\\\n\
__asm__ __volatile__(\"cld ; rep ; stosl\" \\\\\n\
\t: \"=&c\" (__d0), \"=&D\" (__d1) \\\\\n\
\t: \"a\" (0), \"0\" (__FDSET_LONGS), \\\\\n\
\"1\" ((__fd_set *) (fdsetp)) :\"memory\"); \\\\\n\
} while (0)\n\
# exit
Script done on Fri May 6 07:15:34 2005
The error also seems to be present in gcc-core-4.1-20050417.tar.bz2.
Frank
--
Frank Heckenbach, frank@g-n-u.de
http://fjf.gnu.de/
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