[cmake-developers] Test unsuccessful for cmake version 2.8.10.20121108-gc31e1

[Kornel Benko]

Am Donnerstag, 8. November 2012 um 09:47:55, schrieb Kornel Benko <kornel at lyx.org>
> Hi,
> running "make test" on the latest available cmake yields to the following
> ...
>         Start  12: kwsys.testSystemInformation
>  13/272 Test  #12: kwsys.testSystemInformation ......................***Exception: SegFault  0.13 sec
> ...
> 99% tests passed, 1 tests failed out of 272
> 
> Label Time Summary:
> Label1    =   0.04 sec
> Label2    =   0.04 sec
> 
> Total Test time (real) = 721.84 sec
> 
> The following tests FAILED:
>          12 - kwsys.testSystemInformation (SEGFAULT)
> Errors while running CTest
> make: *** [test] Fehler 8
> Exit 2
> ...

I traced it down to Source/kwsys/SystemInformation.cxx:1327
	int fam=ifa->ifa_addr->sa_family;

In my case, ifa->ifa_addr happens to be NULL.
Changing this line to
	int fam=-1;
	if (ifa->ifa_addr) fam=ifa->ifa_addr->sa_family;
cures it.

	Regards
		Kornel
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