[CMake] CMake Coverage broken with Ninja
Gerhard Gappmeier
gerhard.gappmeier at ascolab.com
Fri Sep 1 07:26:36 EDT 2017
hi all,
just recently I discovered that our coverage builds on CDash don't work
anymore.
By analyzing the problem I found out that this is related to Ninja
generator.
I don't know when the problem was introduced but it still exists with
CMake 3.9.1.
(GCC and gcov are version 4.9.4, but this is not important)
I attached a simple test program to reproduce the problem.
$> tar xf demo.tar.gz
$> cd demo
$> mkdir bld
$> cmake -GNinja ..
$> ninja Nightly
...
Configure project
Each . represents 1024 bytes of output
. Size of output: 0K
Build project
Each symbol represents 1024 bytes of output.
'!' represents an error and '*' a warning.
. Size of output: 0K
0 Compiler errors
0 Compiler warnings
Test project /home/gergap/tmp/cmaketest/bld
Start 1: mytest
1/1 Test #1: mytest ........................... Passed 0.00 sec
100% tests passed, 0 tests failed out of 1
Total Test time (real) = 0.00 sec
Performing coverage
Processing coverage (each . represents one file):
.
Accumulating results (each . represents one file):
.Cannot find file: /home/gergap/tmp/cmaketest/bld/Testing/main.c
Covered LOC: 0
Not covered LOC: 0
Total LOC: 0
Percentage Coverage: 0.00%
...
When using make instead everything works as expected.
$> tar xf demo.tar.gz
$> cd demo
$> mkdir bld
$> cmake ..
$> make Nightly
Configure project
Each . represents 1024 bytes of output
. Size of output: 0K
Build project
Each symbol represents 1024 bytes of output.
'!' represents an error and '*' a warning.
. Size of output: 0K
0 Compiler errors
0 Compiler warnings
Test project /home/gergap/tmp/cmaketest/bld
Start 1: mytest
1/1 Test #1: mytest ........................... Passed 0.00 sec
100% tests passed, 0 tests failed out of 1
Total Test time (real) = 0.00 sec
Performing coverage
Processing coverage (each . represents one file):
.
Accumulating results (each . represents one file):
.
Covered LOC: 3
Not covered LOC: 0
Total LOC: 3
Percentage Coverage: 100.00%
Is this problem known?
Are there any fixes/workaround available?
--
mit freundlichen Grüßen / best regards
*Gerhard Gappmeier*
ascolab GmbH - automation systems communication laboratory
Tel.: +49 911 569846 203
Fax: +49 911 569846 400
Web: http://www.ascolab.com
GPG-KeyId: 7A78B0A7
GPG-Fingerprint: A964 56A2 32E9 A537 AB7E EBD6 8D09 0D72 7A78 B0A7
--
*ascolab GmbH*
Geschäftsführer: Gerhard Gappmeier, Matthias Damm, Uwe Steinkrauß
Sitz der Gesellschaft: An der Kaufleite 34 • 90562 Kalchreuth • Germany
Registernummer: HRB 9360
Registergericht: Amtsgericht Fürth
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