<div dir="ltr">Hi Gerhard,<div class="gmail_extra"><br><div class="gmail_quote">On Fri, Sep 1, 2017 at 7:26 AM, Gerhard Gappmeier <span dir="ltr"><<a href="mailto:gerhard.gappmeier@ascolab.com" target="_blank">gerhard.gappmeier@ascolab.com</a><wbr>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div bgcolor="#FFFFFF">
hi all,<br>
<br>
just recently I discovered that our coverage builds on CDash don't
work anymore.<br>
By analyzing the problem I found out that this is related to Ninja
generator.<br>
I don't know when the problem was introduced but it still exists
with CMake 3.9.1.<br>
(GCC and gcov are version 4.9.4, but this is not important)<br>
<br>
I attached a simple test program to reproduce the problem.<br>
<br>
<tt>$> tar xf demo.tar.gz</tt><tt><br>
</tt><tt>$> cd demo</tt><tt><br>
</tt><tt>$> mkdir bl</tt><tt>d</tt></div></blockquote><div>What if you call `<span style="color:rgb(36,41,46);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px">chcp 65001</span>` here before the CMake call? (Force using <span style="color:rgb(36,41,46);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px"> </span><span style="color:rgb(36,41,46);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px">UTF-8 console)</span> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF"><tt><br>
</tt><tt>$> cmake -GNinja ..</tt><tt><br>
</tt><tt>$> ninja Nightly</tt><tt><br>
</tt><tt>...</tt><tt><br>
</tt><tt>Configure project</tt><tt><br>
</tt><tt> Each . represents 1024 bytes of output</tt><tt><br>
</tt><tt> . Size of output: 0K</tt><tt><br>
</tt><tt>Build project</tt><tt><br>
</tt><tt> Each symbol represents 1024 bytes of output.</tt><tt><br>
</tt><tt> '!' represents an error and '*' a warning.</tt><tt><br>
</tt><tt> . Size of output: 0K</tt><tt><br>
</tt><tt> 0 Compiler errors</tt><tt><br>
</tt><tt> 0 Compiler warnings</tt><tt><br>
</tt><tt>Test project /home/gergap/tmp/cmaketest/bld</tt><tt><br>
</tt><tt> Start 1: mytest</tt><tt><br>
</tt><tt>1/1 Test #1: mytest ........................... Passed
0.00 sec</tt><tt><br>
</tt><tt><br>
</tt><tt>100% tests passed, 0 tests failed out of 1</tt><tt><br>
</tt><tt><br>
</tt><tt>Total Test time (real) = 0.00 sec</tt><tt><br>
</tt><tt>Performing coverage</tt><tt><br>
</tt><tt> Processing coverage (each . represents one file):</tt><tt><br>
</tt><tt> .</tt><tt><br>
</tt><tt> Accumulating results (each . represents one file):</tt><tt><br>
</tt><tt> .Cannot find file:
/home/gergap/tmp/cmaketest/bld<wbr>/Testing/main.c</tt><tt><br>
</tt><tt><br>
</tt><tt> Covered LOC: 0</tt><tt><br>
</tt><tt> Not covered LOC: 0</tt><tt><br>
</tt><tt> Total LOC: 0</tt><tt><br>
</tt><tt> Percentage Coverage: 0.00%</tt><tt><br>
</tt><tt>...</tt><br>
<br>
When using make instead everything works as expected.<br>
<tt>$> tar xf demo.tar.gz</tt><tt><br>
</tt><tt>$> cd demo</tt><tt><br>
</tt><tt>$> mkdir bl</tt><tt>d</tt><tt><br>
</tt><tt>$> cmake ..</tt><tt><br>
</tt><tt>$> make Nightly</tt><tt><br>
</tt><tt>Configure project</tt><tt><br>
</tt><tt> Each . represents 1024 bytes of output</tt><tt><br>
</tt><tt> . Size of output: 0K</tt><tt><br>
</tt><tt>Build project</tt><tt><br>
</tt><tt> Each symbol represents 1024 bytes of output.</tt><tt><br>
</tt><tt> '!' represents an error and '*' a warning.</tt><tt><br>
</tt><tt> . Size of output: 0K</tt><tt><br>
</tt><tt> 0 Compiler errors</tt><tt><br>
</tt><tt> 0 Compiler warnings</tt><tt><br>
</tt><tt>Test project /home/gergap/tmp/cmaketest/bld</tt><tt><br>
</tt><tt> Start 1: mytest</tt><tt><br>
</tt><tt>1/1 Test #1: mytest ........................... Passed
0.00 sec</tt><tt><br>
</tt><tt><br>
</tt><tt>100% tests passed, 0 tests failed out of 1</tt><tt><br>
</tt><tt><br>
</tt><tt>Total Test time (real) = 0.00 sec</tt><tt><br>
</tt><tt>Performing coverage</tt><tt><br>
</tt><tt> Processing coverage (each . represents one file):</tt><tt><br>
</tt><tt> .</tt><tt><br>
</tt><tt> Accumulating results (each . represents one file):</tt><tt><br>
</tt><tt> .</tt><tt><br>
</tt><tt> Covered LOC: 3</tt><tt><br>
</tt><tt> Not covered LOC: 0</tt><tt><br>
</tt><tt> Total LOC: 3</tt><tt><br>
</tt><tt> Percentage Coverage: 100.00%</tt><br>
<br>
Is this problem known?<br></div></blockquote><div>I believe it's related to CMake issue <a href="https://gitlab.kitware.com/cmake/cmake/issues/17191" target="_blank">17191</a> that <span style="color:rgba(0,0,0,0.85);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px">CMake is not properly converting the </span><code style="box-sizing:border-box;font-family:Menlo,"DejaVu Sans Mono","Liberation Mono",Consolas,"Ubuntu Mono","Courier New","andale mono","lucida console",monospace;font-size:12.6px;padding:2px 4px;color:rgb(192,52,29);background-color:rgb(252,239,237);border-radius:3px;white-space:pre-wrap;word-break:keep-all;word-wrap:normal;margin-top:0px">-showIncludes</code><span style="color:rgba(0,0,0,0.85);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px"> prefix (${</span><font color="#c0341d" face="Menlo, DejaVu Sans Mono, Liberation Mono, Consolas, Ubuntu Mono, Courier New, andale mono, lucida console, monospace"><span style="font-size:12.6px;white-space:pre-wrap;background-color:rgb(252,239,237)">displayedInSystemLanguage}</span></font><span style="color:rgba(0,0,0,0.85);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen-Sans,Ubuntu,Cantarell,"Helvetica Neue",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px">) to its internal UTF-8 encoding</span>.</div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF">
Are there any fixes/workaround available?<br>
<br></div></blockquote><div>Thanks to Brad it has been fixed in <a href="https://gitlab.kitware.com/cmake/cmake/merge_requests/1179" target="_blank">CMake MR 1179</a>. If you do not want to use CMake from source build then adding `<span style="color:rgb(36,41,46);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";font-size:14px">chcp 6500`1 should do the trick.</span></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div bgcolor="#FFFFFF">
<div class="m_8125091328552513470gmail-m_-5978863667340266867moz-signature">-- <br>
mit freundlichen Grüßen / best regards<br>
<br>
<b>Gerhard Gappmeier</b><br>
ascolab GmbH - automation systems communication laboratory<br>
Tel.: <a href="tel:+49%20911%20569846203" value="+49911569846203" target="_blank">+49 911 569846 203</a><br>
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GPG-KeyId: 7A78B0A7 <br>
GPG-Fingerprint: A964 56A2 32E9 A537 AB7E EBD6 8D09 0D72 7A78 B0A7<br>
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