[lttng-dev] [PATCH 2/2] Support old compilers

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Tue May 28 13:32:50 EDT 2013


* Thomas Petazzoni (thomas.petazzoni at free-electrons.com) wrote:
> Some old compilers do not use C99 as their default C language variant,
> for example gcc 4.3.x, which is used on some old machines. When such a
> compiler is used, by default, ULLONG_MAX is not visible. Adding
> -std=gnu99 is needed to make this definition visible.
> 
> In autoconf speak, this translates into the need of using
> AC_PROC_CC_STDC instead of AC_PROG_CC. See
> http://www.gnu.org/software/autoconf/manual/autoconf-2.65/html_node/C-Compiler.html
> for more details.

merged, thanks!

Mathieu

> 
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
> ---
>  configure.ac |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 83822d6..3ddcb7c 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -17,7 +17,7 @@ AC_CONFIG_HEADERS([config.h])
>  AC_SYS_LARGEFILE
>  
>  # Checks for programs.
> -AC_PROG_CC
> +AC_PROG_CC_STDC
>  AC_PROG_MAKE_SET
>  LT_INIT
>  AC_PROG_YACC
> -- 
> 1.7.9.5
> 
> 
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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com



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