[PATCH video-chips] config: add AM_PROG_CC_C_O for per-target compilation flags

[Alan Coopersmith]

Gaetan Nadon wrote:
> The use of per-target compilation flags with C sources requires
> that the macro AM_PROG_CC_C_O be called from configure.ac
> 
> If the C compiler does not accept the -c and -o options simultaneously,
> define NO_MINUS_C_MINUS_O. This macro actually tests both the compiler
> found by AC_PROG_CC, and, if different, the first cc in the path.
> The test fails if one fails. This macro was created for GNU Make
> to choose the default C compilation rule.
> 
> Signed-off-by: Gaetan Nadon <memsize at videotron.ca>
> ---
>  configure.ac |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index bfc0059..4155736 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -44,6 +44,9 @@ XORG_DEFAULT_OPTIONS
>  AC_DISABLE_STATIC
>  AC_PROG_LIBTOOL
>  
> +# Checks for programs.
> +AM_PROG_CC_C_O
> +
>  AH_TOP([#include "xorg-server.h"])
>  
>  # Define a configure option for an alternate module directory

Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>

-- 
	-Alan Coopersmith-        alan.coopersmith at oracle.com
	 Oracle Solaris Platform Engineering: X Window System