[PATCH] Fix SIGIO configure help text

[Gaetan Nadon]

On Sat, 2010-01-30 at 09:16 -0800, Dan Nicholson wrote:

> Two problems fixed with the configure help text for SIGIO:
> 
> 1. There was no comma separating the arguments to AS_HELP_STRING, so it
>    appeared as one long string.
> 2. autoconf builds the help text when generating configure, so shell
>    variables such as USE_SIGIO_BY_DEFAULT can't be used. Instead, tell
>    the user approximately what the default is.
> 
> Signed-off-by: Dan Nicholson <dbn.lists at gmail.com>
> ---
>  configure.ac |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 8c1085b..b2dc0fb 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -456,8 +456,8 @@ AC_ARG_ENABLE(debug,         AS_HELP_STRING([--enable-debug],
>  AC_ARG_ENABLE(unit-tests,    AS_HELP_STRING([--enable-unit-tests],
>                                    [Enable unit-tests (default: auto)]),
>                                  [UNITTESTS=$enableval], [UNITTESTS=auto])
> -AC_ARG_ENABLE(use-sigio-by-default, AS_HELP_STRING([--enable-use-sigio-by-default]
> -  [Enable SIGIO input handlers by default (default: $USE_SIGIO_BY_DEFAULT)]),
> +AC_ARG_ENABLE(use-sigio-by-default, AS_HELP_STRING([--enable-use-sigio-by-default],
> +  [Enable SIGIO input handlers by default (default: enabled on supported platforms)]),
>                                  [USE_SIGIO_BY_DEFAULT=$enableval], [])
>  AC_ARG_WITH(int10,           AS_HELP_STRING([--with-int10=BACKEND], [int10 backend: vm86, x86emu or stub]),
>  				[INT10="$withval"],


Tested-by: Gaetan Nadon <memsize at videotron.ca>
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