Re: What is the warning about builtin-function on gcc-4.6.0 ?

[anon@att.net]

In <380fc033-6f6f-4e69-9371-89610c9c5d77@r19g2000prm.googlegroups.com>, ytomino <aghia05@gmail.com> writes:
>On Mar 27, 7:22=A0am, a...@att.net wrote:
>> Try replacing with
>> =A0 =A0pragma Import (Intrinsic, isfinite, "__builtin_isfinite");
>> with
>> =A0 =A0pragma Import (C, isfinite, "__builtin_isfinite");
>
>$ /usr/local/bin/gcc-4.6.0/gnatmake test1
>gcc -c test1.adb
>gnatbind -x test1.ali
>gnatlink test1.ali
>Undefined symbols:
>  "___builtin_isfinite", referenced from:
>      __ada_test1 in test1.o
>      __ada_test1 in test1.o
>ld: symbol(s) not found
>collect2: ld returned 1 exit status
>gnatlink: error when calling /usr/local/bin/gcc-4.6.0/gcc
>gnatmake: *** link failed.
>
>__builtin_* is magic function of gcc, not library function.

Using C you may need to also change the first underscore or remove both
such as 

  pragma Import (C, isfinite, "_builtin_isfinite");
or
  pragma Import (C, isfinite, "builtin_isfinite");