Bug#784655: can't rebuild casablanca with newer libstdc++6 (sid)

2015-05-07 Thread Gianfranco Costamagna 
Package: gcc-5
Version: 5.1.1-4
Severity: Serious
Justification: Package rebuild trigger a test failure.



As said, casablanca doesn't pass the testsuite anymore with libstdc++6 library.

I triggered a successful build from Stretch, and upgraded packages until I 
upgraded libstdc++6

Preparing to unpack .../libstdc++6_5.1.1-4_amd64.deb ...
Unpacking libstdc++6:amd64 (5.1.1-4) over (4.9.2-10) ...


Now I have the testsuite giving some failures:

/casablanca/Release/tests/functional/http/client/connections_and_errors.cpp:94: 
error: Failure in server_doesnt_exist: 
CHECK_EQUAL(static_castint(std::errc::host_unreachable), _condFound.value()) 
where static_castint(std::errc::host_unreachable)=113 and _condFound.value()=0
FAILED
Test case connections_and_errors:server_doesnt_exist FAILED
[...]

and

/casablanca/Release/tests/functional/streams/fstreambuf_tests.cpp:148: error: 
Failure in OpenForReadDoesntCreateFile1: 
CHECK_EQUAL(static_castint(std::errc::no_such_file_or_directory), 
_condFound.value()) where 
static_castint(std::errc::no_such_file_or_directory)=2 and 
_condFound.value()=0
FAILED
Test case file_buffer_tests:OpenForReadDoesntCreateFile1 FAILED

(code following from 
http://anonscm.debian.org/cgit/collab-maint/casablanca.git/tree/Release/tests/functional/streams/fstreambuf_tests.cpp)
TEST(OpenForReadDoesntCreateFile1)
{
utility::string_t fname = U(OpenForReadDoesntCreateFile1.txt);
VERIFY_THROWS_SYSTEM_ERROR(OPEN_Rchar(fname).get(), 
std::errc::no_such_file_or_directory);
std::ifstream is;
VERIFY_IS_NULL(is.rdbuf()-open(fname.c_str(), std::ios::in));
}

any idea for the regression?

thanks,

Gianfranco


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Bug#784655: can't rebuild casablanca with newer libstdc++6 (sid)

2015-05-07 Thread Gianfranco Costamagna 
Hi Matthias,

thanks for the quick reply

are you running sid, or stretch?

in plain sid the package doesn't build at all, in order to trim down the 
differences I started from a Stretch clean pbuilder environment, and upgraded 
stuff until I got the problem.



is the testsuite rebuilt after the new libstdc++ installed? if yes, is the
libstdc++-5-dev package upgraded as well?


yes, of course the testsuite has been rebuilt, if that matters, I'm compiling 
with -std=c++11 flag

so, to resume
starting from stretch, enabling sid repository
apt-get install libstdc++6 libstdc++-5-dev

The following extra packages will be installed:
gcc-5-base libasan2 libatomic1 libcilkrts5 libgcc-5-dev libgcc1 libgomp1 
libitm1 liblsan0 libmpx0 libquadmath0 libtsan0 libubsan0


fetch casablanca and try to build.

/casablanca/Release/tests/functional/streams/fstreambuf_tests.cpp:158: error: 
Failure in OpenForReadDoesntCreateFile2: 
CHECK_EQUAL(static_castint(std::errc::no_such_file_or_directory), 
_condFound.value()) where 
static_castint(std::errc::no_such_file_or_directory)=2 and 
_condFound.value()=0




please can you distill down a test case?

the test case seems pretty generic

utility::string_t fname = U(OpenForReadDoesntCreateFile2.txt);
VERIFY_THROWS_SYSTEM_ERROR(OPENchar(fname, std::ios_base::in | 
std::ios_base::binary ).get(), std::errc::no_such_file_or_directory);
std::ifstream is;
VERIFY_IS_NULL(is.rdbuf()-open(fname.c_str(), std::ios::in | 
std::ios_base::binary));

isn't this something generic?


(sorry I don't undestand too much g++ code, moreover I'm using an embedded 
UnitTestpp because the Debian one is too outdated)

cheers,

G.


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Bug#784655: can't rebuild casablanca with newer libstdc++6 (sid)

2015-05-07 Thread Matthias Klose 
On 05/07/2015 04:14 PM, Gianfranco Costamagna wrote:
 Package: gcc-5
 Version: 5.1.1-4
 Severity: Serious
 Justification: Package rebuild trigger a test failure.
 
 
 
 As said, casablanca doesn't pass the testsuite anymore with libstdc++6 
 library.
 
 I triggered a successful build from Stretch, and upgraded packages until I 
 upgraded libstdc++6

are you running sid, or stretch?
is the testsuite rebuilt after the new libstdc++ installed? if yes, is the
libstdc++-5-dev package upgraded as well?

 any idea for the regression?

please can you distill down a test case?


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