Re: Problem with AC_DEFINE in autoconf 2.59

[Aleksander Morgado]

>> if test "x$release_mode" = "xyes" ; then
>>   AC_DEFINE([my_debug(s, ...)],[], [Disable my_debug calls])
>> else
>>   AC_DEFINE([my_debug(s, ...)],[g_debug(s, ##__VA_ARGS__)], [Enable
>> my_debug calls])
>> fi
>>
>> The problem is that using autoconf 2.59, the previous code will generate
>> in config.h:
>>  /* Enable my_debug calls */
>> /* #undef my_debug */(s, ...)
>>
>> The previous code works ok with latest 2.61 version in Debian Lenny &
>> Ubuntu Intrepid, but fails with 2.59 in RHEL5.
>>
>> Any idea how to make this work with version 2.59?
> 
> No idea except: do not do it.  Use
> 
> AC_DEFINE([RELEASE_MODE], [1], [Disable my_debug calls])
> 
> and since you should already have some global header (typically it's
> called system.h) do
> 
> #ifdef RELEASE_MODE
> #define my_debug(s, ...)
> #else
> #define my_debug(s, ...) g_debug(s, ##__VA_ARGS__)
> #endif
> 
> there.  A worse "fix" is to stick an AC_PREREQ(2.61) in your script.

Ok thanks!