[CMake] Problems with coverage on OS X Server
NoRulez
norulez at me.com
Sat Mar 24 13:10:30 EDT 2012
Thanks David,
I think I found a solution, so if someone is also interessted in this, here is how i configured clang in a CTestScript.cmake file:
if (APPLE)
set (ENV{CC} clang)
set (ENV{CXX} clang++)
endif (APPLE)
.
.
.
ctest_start()
ctest_update()
ctest_configure()
.
.
.
Best Regards
NoRulez
Am 24. März 2012 um 17:42 schrieb "NoRulez" <norulez at me.com>:
> I've tried to set the C/C++ compiler as followed:
> if (APPLE)
> SET(CMAKE_C_COMPILER "/usr/bin/clang")
> SET(CMAKE_CXX_COMPILER "/usr/bin/clang++")
> endif (APPLE)
>
> But the result from the build is:
> -- Update Continuous --
> -- Configure Continuous --
> -- Reading custom configuration Continuous - Arachne --
> -- Build Continuous --
> -- Test Continuous --
> No tests were found!!!
> -- Coverage Continuous --
> Cannot find any coverage files. Ignoring Coverage request.
> -- Memcheck Continuous --
> No tests were found!!!
> -- Submit Continuous --
>
> Best Regards
> NoRulez
>
> Am 24. März 2012 um 17:31 schrieb "NoRulez" <norulez at me.com>:
>
>> I've found this http://stackoverflow.com/questions/7031126/switching-between-gcc-and-clang-llvm-using-cmake
>>
>> Is this all which I need to configure or did you do something different/special?
>> Please could you post your settings to use clang instead of gcc on OS X
>>
>> Thanks in advance
>>
>> Best Regards
>> NoRulez
>>
>> Am 24. März 2012 um 15:31 schrieb David Cole <david.cole at kitware.com>:
>>
>>> Well, I've had mixed results trying this myself.
>>>
>>> With the trivial SmallAndFast project, I get a good coverage
>>> measurement on 5 lines of code in 1 source file:
>>> http://my.cdash.org/viewCoverage.php?buildid=313323&status=3
>>>
>>> With CMake itself, I get a bunch of *.gcda files generated in the
>>> build tree, but the coverage info does not get communicated properly
>>> via a ctest script sending to CDash. Looks like there's some issue
>>> with ctest parsing of the gcov output using ctest 2.8.7 and clang on
>>> the Mac and gcov 4.2.1:
>>>
>>> $ gcov --version
>>> gcov (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00)
>>>
>>> Looks like there's a problem somebody will have to fix before it will
>>> work. Unfortunately, the gcov parsing code in ctest is a bit of a
>>> tangle -- last time I was in there, I fixed some stuff up to work in a
>>> MinGW environment, and it's not pretty. Also unfortunately, I don't
>>> think I'll have the bandwidth to look at this myself in the near
>>> future: anybody want to volunteer to take a look and submit a patch to
>>> get this working...?
>>>
>>>
>>> Thx,
>>> David
>>>
>>>
>>> On Sat, Mar 24, 2012 at 8:53 AM, David Cole <david.cole at kitware.com> wrote:
>>> > The answer to that stackoverflow question recommends using
>>> > clang/clang++ instead. (I have not tried this yet myself, but would
>>> > not be entirely surprised to find out it's correct. I have observed
>>> > the zero coverage phenomenon on my own Mac laptop, but have sufficient
>>> > coverage capabilities elsewhere... so I didn't care enough to follow
>>> > up on it previously.)
>>> >
>>> >
>>> > HTH,
>>> > David
>>> >
>>> >
>>> >
>>> > On Sat, Mar 24, 2012 at 8:51 AM, David Cole <david.cole at kitware.com> wrote:
>>> >> Perhaps it's because of this problem with the Mac "gcc" which is not
>>> >> *really* just gcc anymore, and apparently doesn't support gcov
>>> >> transparently as it should...
>>> >>
>>> >> http://stackoverflow.com/questions/7988355/getting-0-gcov-coverage-for-a-mac-app
>>> >>
>>> >>
>>> >> On Sat, Mar 24, 2012 at 7:45 AM, <norulez at me.com> wrote:
>>> >>> Hello,
>>> >>>
>>> >>> I have the following code in the main CTestScript.cmake which I call with
>>> >>> "ctest -S CTestScript.cmake, Continuous":
>>> >>>
>>> >>> SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 -Wall -W
>>> >>> -Wunused-variable -Wunused-parameter -Wunused-function -Wunused
>>> >>> -Wno-system-headers -Wno-deprecated -Woverloaded-virtual -Wwrite-strings
>>> >>> -fprofile-arcs -ftest-coverage")
>>> >>> SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -Wall -W -fprofile-arcs
>>> >>> -ftest-coverage")
>>> >>> SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs
>>> >>> -ftest-coverage")
>>> >>> SET(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS}
>>> >>> -fprofile-arcs -ftest-coverage")
>>> >>> SET(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}
>>> >>> -fprofile-arcs -ftest-coverage")
>>> >>>
>>> >>> FILE(WRITE "${CTEST_BINARY_DIRECTORY}/CMakeCache.txt" "
>>> >>> CMAKE_CXX_FLAGS:STRING=@CMAKE_CXX_FLAGS@
>>> >>> CMAKE_C_FLAGS:STRING=@CMAKE_C_FLAGS@
>>> >>> CMAKE_EXE_LINKER_FLAGS:STRING=@CMAKE_EXE_LINKER_FLAGS@
>>> >>> CMAKE_MODULE_LINKER_FLAGS:STRING=@CMAKE_MODULE_LINKER_FLAGS@
>>> >>> CMAKE_SHARED_LINKER_FLAGS:STRING=@CMAKE_SHARED_LINKER_FLAGS@
>>> >>> ")
>>> >>>
>>> >>>
>>> >>> ## -- Configure
>>> >>> message (" -- Configure ${MODEL} - ${CTEST_BUILD_NAME} --")
>>> >>> ctest_configure (BUILD "${CTEST_BINARY_DIRECTORY}")
>>> >>>
>>> >>>
>>> >>>
>>> >>> On Windows XP and on Ubuntu Linux Server 11.10 it works and I get coverage
>>> >>> information.
>>> >>>
>>> >>> But on OS X Lion Server I didn't get any coverage informations.
>>> >>>
>>> >>> On OS X the command gcov is available.
>>> >>>
>>> >>>
>>> >>> Could someone please help?
>>> >>>
>>> >>>
>>> >>> Thanks in advance
>>> >>>
>>> >>>
>>> >>> Best Regards
>>> >>>
>>> >>> NoRulez
>>> >>>
>>> >>>
>>> >>> --
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