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Re: [RFC] Use HAVE_LONGLONG instead of __GNUC__ to check for long long support.
- From: Daniel Jacobowitz <drow at false dot org>
- To: Manoj Iyer <manjo at austin dot ibm dot com>
- Cc: gdb-patches at sources dot redhat dot com
- Date: Mon, 18 Apr 2005 18:52:39 -0400
- Subject: Re: [RFC] Use HAVE_LONGLONG instead of __GNUC__ to check for long long support.
- References: <Pine.LNX.4.58.0504181810220.29047@lazy>
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