[PATCH 1/5] Make common fdim implementation generic.

[Paul E. Murphy]

On 08/31/2016 11:46 AM, Joseph Myers wrote:
> On Tue, 30 Aug 2016, Paul E. Murphy wrote:
> 
>>  /* Define compat symbols for long double on platforms
>>     where it was not always a distinct type.  */
>> -#define M_LIBM_NEED_COMPAT(f) \
>> -  LONG_DOUBLE_COMPAT (libm, LDOUBLE_ ## f ## l_libm_version)
>> +#if !defined M_LIBM_NEED_COMPAT
>> +# define M_LIBM_NEED_COMPAT(f) \
>> +   LONG_DOUBLE_COMPAT (libm, LDOUBLE_ ## f ## l_libm_version)
> 
> Two-column indentation is still correct for the continuation line; it 
> should not be changed.
> 
>> -#define declare_mgen_libm_compat(from, to)	      \
>> -  compat_symbol (libm, from, to ## l,		      \
>> +#if !defined declare_mgen_libm_compat
>> +# define declare_mgen_libm_compat(from, to)	      \
>> +   compat_symbol (libm, from, to ## l,		      \
>>  		 LDOUBLE_ ## to ## l_libm_version);
> 
> Likewise here (if a change were correct, the following line would have 
> needed reindenting as well to stay aligned with the '(').
> 
>> -#define declare_mgen_alias(from, to) \
>> -  long_double_symbol (libm, from ## l, to ## l);
>> +#if !defined declare_mgen_alias
>> +# define declare_mgen_alias(from, to) \
>> +   long_double_symbol (libm, from ## l, to ## l);
> 
> Likewise here.
> 
> OK with those fixes.
> 

Fixes made, and committed as 7b7c394.