Re: [RFC] Use HAVE_LONGLONG instead of __GNUC__ to check for long long support.

[Daniel Jacobowitz <drow@false.org>]

On Mon, Apr 18, 2005 at 06:14:47PM -0500, Manoj Iyer wrote:
> 
> Here is a patch to use HAVE_LONGLONG instead of using __GNUC__ for
> checking for long long support in compiler. When using a non-gnu compiler
> (xlc), natural64, signed64 and unsigned64 are undefined. Please review
> patch and approve for commit.
> 
> 
> 2005-04-18  Manoj Iyer  <manjo@austin.ibm.com>
> 	* configure.ac: Added check for long long.
> 	* config.in: Added define for HAVE_LONGLONG.

This is a generated file; run autoheader instead.

> 	* configure: Regenerated.
> 	* words.h: Modified logic to check for HAVE_LONGLONG instead of
> 	__GNUC__, added config.h header file.
> 
> 
> diff -Naurp src/sim/ppc/config.in new/src/sim/ppc/config.in
> --- src/sim/ppc/config.in	2004-09-24 13:39:41.000000000 -0500
> +++ new/src/sim/ppc/config.in	2005-04-18 18:03:37.000000000 -0500
> @@ -298,6 +298,9 @@
>  /* Define if you have the <locale.h> header file.  */
>  #undef HAVE_LOCALE_H
> 
> +/* Define if compiler supports long long type. */
> +#undef HAVE_LONGLONG
> +
>  /* Define if you have the <malloc.h> header file.  */
>  #undef HAVE_MALLOC_H
> 
> diff -Naurp src/sim/ppc/configure.ac new/src/sim/ppc/configure.ac
> --- src/sim/ppc/configure.ac	2005-01-12 10:23:21.000000000 -0600
> +++ new/src/sim/ppc/configure.ac	2005-04-18 18:01:58.000000000 -0500
> @@ -681,6 +681,10 @@ if test $ac_cv_struct_statfs = yes; then
>  	    [Define if struct statfs is defined in <sys/mount.h>])
>  fi
> 
> +dnl check for long long
> +AC_CHECK_TYPE(long long,
> +   AC_DEFINE(HAVE_LONGLONG, 1, [does compiler supports long long]),)
> +

[Define if the compiler supports long long.]  You don't need the dnl,
or the comment above #include "config.h"; don't add comments that just
rephrase the following line.

-- 
Daniel Jacobowitz
CodeSourcery, LLC