On Sat, 2023-12-02 at 17:33 +0100, Florian Weimer wrote:
> > Specifically, one "configure" (there is used CMake) check tries to
> > figure out whether gethostbyname_r() has five arguments. It does
> > not in
> > Fedora, thus a) there are passed no enough arguments to the
> > function;
> > b) there are incompatible types passed to the function. Both are
> > claimed by gcc. The second is due to the first. The result of this
> > "source compiles" test is correct, the function does not have five
> > arguments.
>
> I don't see this. The evolution-data-server-3.50.2-1.fc39 and
> evolution-data-server-3.50.2-1.fc40 have this:
>
> -- Performing Test HAVE_I_CAL_EMAIL_PARAMETER
> -- Performing Test HAVE_I_CAL_EMAIL_PARAMETER - Success
>
> While my test build has:
>
> -- Performing Test HAVE_I_CAL_EMAIL_PARAMETER
> -- Performing Test HAVE_I_CAL_EMAIL_PARAMETER - Failed
>
> So the test outcome is altered by the new error.
Hi,
the HAVE_I_CAL_EMAIL_PARAMETER is the b) from the above, aka the
changes uncovered a bug in the configure-time code-compiles check.
The a), an expected failure, is this one:
.../TryCompile-0C2YRH/src.c: In function ‘main’:
.../TryCompile-0C2YRH/src.c:11:37: warning: redundant redeclaration of ‘__h_errno_location’ [-Wredundant-decls]
11 | int h_errno;
| ^~~~~~~
/usr/include/netdb.h:59:13: note: previous declaration of ‘__h_errno_location’ with type ‘int *(void)’
59 | extern int *__h_errno_location (void) __THROW __attribute__ ((__const__));
| ^~~~~~~~~~~~~~~~~~
.../TryCompile-0C2YRH/src.c:12:111: warning: passing argument 7 of ‘gethostbyaddr_r’ from incompatible pointer type [-Wincompatible-pointer-types]
12 | (void)gethostbyaddr_r ("www.ximian.com", 14, AF_INET, &hent, buffer, bufsize, &h_errno);
| ^
| |
| int *
/usr/include/netdb.h:174:57: note: expected ‘struct hostent ** restrict’ but argument is of type ‘int *’
174 | struct hostent **__restrict __result,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
.../TryCompile-0C2YRH/src.c:12:39: error: too few arguments to function ‘gethostbyaddr_r’
12 | (void)gethostbyaddr_r ("www.ximian.com", 14, AF_INET, &hent, buffer, bufsize, &h_errno);
| ^~~~~~~~~~~~~~~
/usr/include/netdb.h:170:12: note: declared here
170 | extern int gethostbyaddr_r (const void *__restrict __addr, __socklen_t __len,
| ^~~~~~~~~~~~~~~
gmake[1]: *** [CMakeFiles/cmTC_3133a.dir/build.make:78: CMakeFiles/cmTC_3133a.dir/src.c.o] Error 1
gmake[1]: Leaving directory '.../TryCompile-0C2YRH'
gmake: *** [Makefile:127: cmTC_3133a/fast] Error 2
Note the `too few arguments to function ‘gethostbyaddr_r’` error
follows the `incompatible pointer type` warning, which is going to be
an error after the proposed change.
Bye,
Milan
--
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