[testsuite] Fix some more C and C++ testcases on Tru64 UNIX

[Rainer Orth]

"Joseph S. Myers" <joseph@codesourcery.com> writes:

> On Mon, 8 Nov 2010, Rainer Orth wrote:
>
>> * gcc.dg/intmax_t-1.c currently fails like this:
>> 
>> FAIL: gcc.dg/intmax_t-1.c (test for excess errors)
>> Excess errors:
>> /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/intmax_t-1.c:12:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token
>> /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/intmax_t-1.c:13:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '*' token
>> /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/intmax_t-1.c:18:3: error: 'im_t_p' undeclared (first use in this function)
>> /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/intmax_t-1.c:18:3: note: each undeclared identifier is reported only once for each function it appears in
>> /vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.dg/intmax_t-1.c:24:3: error: 'uim_t_p' undeclared (first use in this function)
>> 
>>   The native <inttypes.h> lacks definitions of intmax_t and uintmax_t.
>>   One could fix this by replacing <inttypes.h> by <stdint.h>.  That file
>>   is now generated at build time and contains a definition of intmax_t.
>>   I'm not completely sure what the test is supposed to check in this
>>   situation, though.  Joseph?
>
> The test is supposed to verify that GCC's notion of certain types agrees 
> with that in the system headers.  It's effectively a subset of 
> c99-stdint-6.c, dating from when GCC only knew about a few of the stdint.h 
> types.  It includes <inttypes.h> because some systems (based on early C9X 
> drafts) provide that without <stdint.h>.  If the system in question 
> doesn't provide intmax_t and uintmax_t in <inttypes.h>, you may as well 
> skip the test intmax_t-1.c as not having anything useful to test.

That's what I've done now.  I've just commited the whole patch with this
addition.

Thanks.
	Rainer


2010-11-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* gcc.dg/intmax_t-1.c: Skip on alpha*-dec-osf*.

diff -r f5914a010793 gcc/testsuite/gcc.dg/intmax_t-1.c
--- a/gcc/testsuite/gcc.dg/intmax_t-1.c	Mon Nov 08 17:14:13 2010 +0100
+++ b/gcc/testsuite/gcc.dg/intmax_t-1.c	Wed Nov 10 18:38:56 2010 +0100
@@ -1,6 +1,7 @@
 /* { dg-do compile } */
 /* { dg-options "-Wall" } */
 /* { dg-error "" "" { target { { *arm*-*-*elf* xtensa*-*-elf* } || vxworks_kernel } } 0 } */
+/* { dg-skip-if "No *intmax_t in <inttypes.h>" { alpha*-dec-osf* } } */
 
 /* Compile with -Wall to get a warning if built-in and system intmax_t don't
    match.  */


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Rainer Orth, Center for Biotechnology, Bielefeld University