Re: [Bug win32/14529] Make gdb capable of JIT-debugging on W32

[Pedro Alves <palves@redhat.com>]

On 09/10/2012 03:22 AM, LRN wrote:
>  
> +# This feature requires 3 things:
> +# 1) windows.h with SetEvent() and CloseHandle() prototypes
> +# 2) inttypes.h with uintptr_t type defined
> +# 3) libkernel32 that exports SetEvent() and CloseHandle()
> +# Because functions in (1) use stdcall on W32, it's impossible to
> +# check them with AC_SEARCH_LIBS.
> +# Until a more elaborate check is written (compile_ifelse or something),
> +# users will have to enable this feature explicitly.
> +# However, this feature is enabled by default for platforms where it should
> +# normally work (MinGW and Cygwin).
> +
> +AC_ARG_ENABLE(w32-jitdbg,
> +AS_HELP_STRING([--enable-w32-jitdbg], [enable W32 JIT debugging]),
> +  [case $enableval in
> +    yes)  w32_jitdbg=1  ;;
> +    no)   w32_jitdbg=0  ;;
> +    *)
> +      AC_MSG_ERROR([bad value $enableval for --enable-w32-jitdbg]) ;;
> +  esac],
> + [w32_jitdbg=$default_w32_jitdbg])
> +AC_DEFINE_UNQUOTED(W32_JITDBG, $w32_jitdbg,
> +  [Define to 1 if W32 JIT debugging support is enabled, to 0 otherwise])
> +

When would you ever want to --enable-w32-jitdbg on anything other than
Windows, where it is enabled by default?

-- 
Pedro Alves