Re: [spice-server v2] build-sys: Improve ENABLE_EXTRA_CHECK setting

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> 
> Currently, ENABLE_EXTRA_CHECK is defined to be 0 or 1, and has to be
> defined this way, otherwise this will break display-channel.c
> compilation.
> This is different from most AC_DEFINE() preprocessor constants which are
> usually either set to 1, or unset.
> 
> This commit switches ENABLE_EXTRA_CHECK setting in configure.ac to the
> usual way, and defines a second constant to 0/1 depending on whether
> it's set or not in display-channel.c.
> 
> Signed-off-by: Christophe Fergeau <cfergeau@xxxxxxxxxx>

This patch is simply not working, the code is never enabled

Frediano

> ---
> Changes since v1:
> - adjusted documentation string for HAVE_EXTRA_CHECKS
> - reuse HAVE_EXTRA_CHECKS symbol rather than introducing an extra one
> 
> 
>  configure.ac             | 6 +++---
>  server/display-channel.c | 6 +++++-
>  2 files changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 483dbfdf8..dd15a787c 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -237,9 +237,9 @@ AC_ARG_ENABLE([extra-checks],
>                 AS_HELP_STRING([--enable-extra-checks=@<:@yes/no@:>@],
>                                [Enable expensive checks @<:@default=no@:>@]))
>  AM_CONDITIONAL(ENABLE_EXTRA_CHECKS, test "$enable_extra_checks" = "yes")
> -AC_DEFINE_UNQUOTED([ENABLE_EXTRA_CHECKS],
> -                   [$(test "x$enable_extra_checks" = xyes && echo 1 || echo
> 0)],
> -                   [Define to 1 to enable extra checks on code otherwise
> define to 0])
> +AS_IF([test "x$enable_extra_checks" = xyes],
> +      AC_DEFINE([ENABLE_EXTRA_CHECKS], [1],
> +                [Whether to enable extra runtime consistency checks or
> not]))
>  
>  dnl
>  ===========================================================================
>  dnl check compiler flags
> diff --git a/server/display-channel.c b/server/display-channel.c
> index f7e36dbb4..4eb2f43fb 100644
> --- a/server/display-channel.c
> +++ b/server/display-channel.c
> @@ -80,6 +80,10 @@ display_channel_set_property(GObject *object,
>      }
>  }
>  
> +#ifndef HAVE_EXTRA_CHECKS
> +#define HAVE_EXTRA_CHECKS 0
> +#endif
> +
>  static void
>  display_channel_finalize(GObject *object)
>  {
> @@ -88,7 +92,7 @@ display_channel_finalize(GObject *object)
>      display_channel_destroy_surfaces(self);
>      image_cache_reset(&self->priv->image_cache);
>  
> -    if (ENABLE_EXTRA_CHECKS) {
> +    if (HAVE_EXTRA_CHECKS) {
>          unsigned int count;
>          _Drawable *drawable;
>          Stream *stream;

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