[Aptitude-devel] Bug#1065435: aptitude: FTBFS on armhf and armel (probably -Werror=implicit-function-declaration related)

Steinar H. Gunderson sesse at debian.org
Wed Mar 13 08:02:47 GMT 2024


On Mon, Mar 04, 2024 at 07:34:06PM +0100, Sven Joachim wrote:
> Not really, these arches now default to a 64-bit time_t and therefore
> you get the conflicting types (suseconds_t is a long int,
> __suseconds64_t a long long int).  This has nothing to do with implicit
> function declarations.

It's a bit crazy that tv_usec changes type, it should be in [0,1000000)
no matter what tv_sec is:

struct timeval
{
#ifdef __USE_TIME_BITS64
  __time64_t tv_sec;            /* Seconds.  */
  __suseconds64_t tv_usec;      /* Microseconds.  */
#else 
  __time_t tv_sec;              /* Seconds.  */
  __suseconds_t tv_usec;        /* Microseconds.  */
#endif
};
#endif

But the fix is straightforward, no? Just change the offending test to something like

  CPPUNIT_ASSERT_EQUAL(static_cast<decltype(c.tv_usec)>(999999), c.tv_usec);

and it should work no matter what type c.tv_usec is. Or, if you prefer
brace-initialization (which would prevent you from ever writing in a too-big
value, like 999999999999999 or something):

  CPPUNIT_ASSERT_EQUAL(decltype(c.tv_usec){999999}, c.tv_usec);

/* Steinar */
-- 
Homepage: https://www.sesse.net/



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