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RE: Compilation failure for mingw64 target (was New ARI warning Fri Mar 15 02:02:12 UTC 2013 in -D 2013-03-15-gmt)


  I confirm that your patch fixes
the compilation error introduced for x86_64-w64-mingw32 host.
GDB compiles again!

Thanks,

Pierre Muller

> -----Message d'origine-----
> De : gdb-patches-owner@sourceware.org [mailto:gdb-patches-
> owner@sourceware.org] De la part de Yao Qi
> Envoyà : vendredi 15 mars 2013 12:05
> Ã : Pierre Muller
> Cc : gdb-patches@sourceware.org
> Objet : Re: Compilation failure for mingw64 target (was New ARI warning Fri
> Mar 15 02:02:12 UTC 2013 in -D 2013-03-15-gmt)
> 
> Sorry for breaking the build for mingw target.
> 
> On 03/15/2013 05:48 PM, Pierre Muller wrote:
> > ../../src/gdb/ctf.c: In function 'ctf_save_metadata_header':
> > ../../src/gdb/ctf.c:223:7: erreur: 'BYTE_ORDER' undeclared (first use in
> this fu
> > nction)
> > ../../src/gdb/ctf.c:223:7: note: each undeclared identifier is reported
> only onc
> > e for each function it appears in
> > ../../src/gdb/ctf.c:223:21: erreur: 'LITTLE_ENDIAN' undeclared (first use
> in thi
> > s function)
> 
> This problem is addressed by using "native" endianness in CTF metadata,
> so BYTE_ORDER and LITTLE_ENDIAN can be avoided.
> 
> > ../../src/gdb/ctf.c: In function 'ctf_start':
> > ../../src/gdb/ctf.c:279:33: erreur: 'S_IRGRP' undeclared (first use in
> this func
> > tion)
> > ../../src/gdb/ctf.c:279:43: erreur: 'S_IXGRP' undeclared (first use in
> this func
> > tion)
> > ../../src/gdb/ctf.c:279:53: erreur: 'S_IROTH' undeclared (first use in
> this func
> > tion)
> > ../../src/gdb/ctf.c:279:63: erreur: 'S_IXOTH' undeclared (first use in
> this func
> > tion)
> 
> These modes are not necessary.  Removed.
> 
> > ../../src/gdb/ctf.c:279:3: erreur: too many arguments to function 'mkdir'
> 
> Fixed.
> 
> The patch below fix these errors for i686-pc-mingw32 target.  It should
> also fix your errors for mingw64 target (I don't have mingw64 toolchain
> on hand).
> 
> --
> Yao (éå)
> 
> gdb:
> 
> 2013-03-15  Yao Qi  <yao@codesourcery.com>
> 
> 	* ctf.c (ctf_save_metadata_header): Save CTF in native
> 	endianness.
> 	(ctf_start) [USE_WIN32API]: Call mkdir with DIRNAME only.
> 	[!USE_WIN32API]: Call mkdir with DIRNAME and mode parameter.
> ---
>  gdb/ctf.c |   15 ++++++++++-----
>  1 files changed, 10 insertions(+), 5 deletions(-)
> 
> diff --git a/gdb/ctf.c b/gdb/ctf.c
> index 44c4e9e..05022b7 100644
> --- a/gdb/ctf.c
> +++ b/gdb/ctf.c
> @@ -194,7 +194,7 @@ ctf_save_metadata_header (struct trace_write_handler
> *handler)
>    "\ntrace {\n"
>    "	major = %u;\n"
>    "	minor = %u;\n"
> -  "	byte_order = %s;\n"		/* be or le */
> +  "	byte_order = native;\n"
>    "	packet.header := struct {\n"
>    "		uint32_t magic;\n"
>    "	};\n"
> @@ -243,8 +243,7 @@ ctf_save_metadata_header (struct trace_write_handler
> *handler)
>    ctf_save_write_metadata (handler, "\n");
> 
>    ctf_save_write_metadata (handler, metadata_fmt,
> -			   CTF_SAVE_MAJOR, CTF_SAVE_MINOR,
> -			   BYTE_ORDER == LITTLE_ENDIAN ? "le" : "be");
> +			   CTF_SAVE_MAJOR, CTF_SAVE_MINOR);
>    ctf_save_write_metadata (handler, "\n");
>  }
> 
> @@ -298,10 +297,16 @@ ctf_start (struct trace_file_writer *self, const char
> *dirname)
>    struct ctf_trace_file_writer *writer
>      = (struct ctf_trace_file_writer *) self;
>    int i;
> +  int ret = 0;
> 
>    /* Create DIRNAME.  */
> -  if (mkdir (dirname, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)
> -      && errno != EEXIST)
> +#ifdef USE_WIN32API
> +  ret = mkdir (dirname);
> +#else
> +  ret = mkdir (dirname, S_IRUSR | S_IWUSR | S_IXUSR);
> +#endif
> +
> +  if (ret && errno != EEXIST)
>      error (_("Unable to open directory '%s' for saving trace data (%s)"),
>  	   dirname, safe_strerror (errno));
> 
> --
> 1.7.7.6


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