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<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'>I
have no idea how to construct an example, I’m afraid, though I’m
willing to try. But there’s nothing in the project files that makes such
a distinction as far as I can tell.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'>The
compiler is the same – it’s a cross-compiler, and is being invoked
as a script, since it’s a 2-pass deal (compiles to assembler, assemble
that).<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'>As
far as I can tell, the obj file suffix is chosen by make – it invokes the
compiler with -o filename.c.o[bj]. The CMake call generates the Makefiles, of
course, which is why I assumed that it was CMake making this decision. The .obj
do appear in the Makefiles, and not anywhere in CMakeLists.txt that I can see
(other than in some ‘make clean’ stuff I added).<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'>…phsiii<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif";color:blue'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> David Cole
[mailto:david.cole@kitware.com] <br>
<b>Sent:</b> Friday, October 10, 2008 1:02 PM<br>
<b>To:</b> Phil Smith<br>
<b>Cc:</b> CMake<br>
<b>Subject:</b> Re: [CMake] Object files: .o vs .obj?<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>No, it doesn't make sense. Can you construct a minimal
example that demonstrates this?<o:p></o:p></p>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>If not, there must be something in your project files that
differentiates between in-source and out-of-source builds...?<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal>Are you changing compilers based on in-source/out-of-source?<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>The in-source/out-of-source change should have no effect on
the suffix used for object files. Isn't the obj file suffix typically chosen by
the compiler...?<o:p></o:p></p>
</div>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>On Fri, Oct 10, 2008 at 12:50 PM, Phil Smith <<a
href="mailto:phil@voltage.com">phil@voltage.com</a>> wrote:<o:p></o:p></p>
<p class=MsoNormal>Hm. If I do an out-of-source build, I get .o files. If
I do an in-source build, I get .obj.<br>
<br>
(Yes, I know in-source builds are considered Evil; the lead engineer wants to
do 'em that way, not sure why, so I was testing to see if they'd work, noticed
that I was getting .obj files.)<br>
<br>
Does this make any sense?<br>
<br>
...phsiii<o:p></o:p></p>
<div>
<div>
<p class=MsoNormal>-----Original Message-----<br>
From: <a href="mailto:cmake-bounces@cmake.org">cmake-bounces@cmake.org</a>
[mailto:<a href="mailto:cmake-bounces@cmake.org">cmake-bounces@cmake.org</a>]
On Behalf Of Phil Smith<br>
Sent: Thursday, October 09, 2008 12:27 PM<br>
To: CMake<br>
Subject: [CMake] Object files: .o vs .obj?<br>
<br>
With (allegedly) identical CMake setups, we have two machines that generate
different outputs: .o vs. obj. The one that generates .obj has Visual Studio
installed, the other doesn't.<br>
<br>
I tried adding<br>
SET(CMAKE_C_OUTPUT_EXTENSION ".obj")<br>
to my Toolchain file, but it made no difference.<br>
<br>
The CMake invocation is:<br>
<br>
cmake -DCMAKE_TOOLCHAIN_FILE:string="%DIGNUS_SOURCE%\zosport.cmake"
-G"Unix Makefiles" %DIGNUS_SOURCE%\vtk-core\<br>
<br>
I even added:<br>
message(STATUS "Generator is ${CMAKE_GENERATOR}")<br>
in the ".obj" machine's CMakeLists.txt (that's the machine with
Visual Studio installed), again, no difference.<br>
<br>
I'd slightly rather force .obj than .o, but in any case, I need it to be
predictable. Any ideas?<br>
--<br>
...phsiii<br>
<br>
Phil Smith III<br>
<a href="mailto:phil@voltage.com">phil@voltage.com</a><br>
Voltage Security, Inc.<br>
<a href="http://www.voltage.com" target="_blank">www.voltage.com</a><br>
(703) 476-4511 (home office)<br>
(703) 568-6662 (cell)<br>
<br>
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<p class=MsoNormal><o:p> </o:p></p>
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