[PATCH 07/14] FreeBSD update of __dead2, etc.

[Sebastian Huber]

On 04/18/2013 09:40 AM, Corinna Vinschen wrote:
> On Apr 17 15:16, Sebastian Huber wrote:
>> newlib/ChangeLog
>> 2013-04-17  Sebastian Huber <sebastian.huber@embedded-brains.de>
>>
>> 	* libc/include/sys/cdefs.h (__GNUC_PREREQ__): New define.
>> 	(__aligned): Likewise.
>> 	(__alignof): Likewise.
>> 	(__dead2): Likewise.
>> 	(__packed): Likewise.
>> 	(__pure2): Likewise.
>> 	(__section): Likewise.
>> 	(__unused): Likewise.
>> 	(__used): Likewise.
>> ---
>>   newlib/libc/include/sys/cdefs.h |   59 ++++++++++++++++++++++++++++++++++++++-
>>   1 files changed, 58 insertions(+), 1 deletions(-)
>>
>> diff --git a/newlib/libc/include/sys/cdefs.h b/newlib/libc/include/sys/cdefs.h
>> index 62c7aae..d8c32cc 100644
>> --- a/newlib/libc/include/sys/cdefs.h
>> +++ b/newlib/libc/include/sys/cdefs.h
>> @@ -147,6 +147,11 @@
>>   #endif /* __GNUC__ || __INTEL_COMPILER */
>>
>>   /*
>> + * Macro to test if we're using a specific version of gcc or later.
>> + */
>> +#define	__GNUC_PREREQ__(ma, mi)	__GNUC_PREREQ(ma, mi)
>> +
>> +/*
>
> Is it really necessary to introduce another version of the __GNUC_PREREQ
> macro?  And if we really do that, shouldn't it rather be defined in
> features.h, alongside the original macro?

I introduced this define here to keep the differences between the FreeBSD 
version as minimal as possible.

 From the Newlib to FreeBSD difference we have:

@@ -113,12 +143,7 @@
  /*
   * Macro to test if we're using a specific version of gcc or later.
   */
-#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
-#define	__GNUC_PREREQ__(ma, mi)	\
-	(__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))
-#else
-#define	__GNUC_PREREQ__(ma, mi)	0
-#endif
+#define	__GNUC_PREREQ__(ma, mi)	__GNUC_PREREQ(ma, mi)

  /*
   * The __CONCAT macro is used to concatenate parts of symbol names, e.g.

-- 
Sebastian Huber, embedded brains GmbH

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