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The cmake documentation for add_subdirectory() states that the
CMakeLists files in the subdirectories should contain their own
project() command invocation. Your build file in the subdirectory
does not contain one. I don't know that it will be automatically be
seen by CMake as a fortran project because this is what the project
in the top directory is. <br>
<br>
Also I don't see the need for the two project files. I know this is
what is done in the tutorial, but you could put everything in the
project file from the top directory.<br>
<br>
On 5/3/12 9:25 AM, Vivek Venugopal wrote:
<blockquote
cite="mid:F4388BCA-C57D-412E-9C3E-FC9E5D598DB5@gmail.com"
type="cite">
<div>Thanks Kelly. </div>
<div><br>
</div>
<div>But i still get this error:</div>
<div>CMake cannot determine linker language for target:helloworld</div>
<div><br>
</div>
<div>Thanks,</div>
<div>Vivek</div>
<div><br>
<br>
<div>--</div>
Vivek Venugopal
<div><br>
</div>
</div>
<div><br>
On May 2, 2012, at 6:36 PM, "Thompson, Kelly G" <<a
moz-do-not-send="true" href="mailto:kgt@lanl.gov">kgt@lanl.gov</a>>
wrote:<br>
<br>
</div>
<blockquote type="cite">
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<div class="WordSection1">
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">My
bad. You need to tell CMake that this is a Fortran
project. Try this:<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"> <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">#
CMakeLists.txt<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">cmake_minimum_required(VERSION
2.8.7)<o:p></o:p></span></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">project(helloworldproject
Fortran)</span></b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">add_subdirectory(src)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"> <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">#
src/CMakeLists.txt<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">cmake_minimum_required(VERSION
2.8.7)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">file(GLOB
helloworld_SOURCES *.f90)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">add_executable(helloworld
${helloworld_SOURCES})<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">-kt<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div style="border:none;border-left:solid blue
1.5pt;padding:0in 0in 0in 4.0pt">
<div>
<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"">
Vivek Venugopal [<a class="moz-txt-link-freetext" href="mailto:vivek.v80@gmail.com">mailto:vivek.v80@gmail.com</a>]
<br>
<b>Sent:</b> Wednesday, May 02, 2012 11:45 AM<br>
<b>To:</b> Thompson, Kelly G<br>
<b>Subject:</b> Re: [CMake] Using CMake with ifort
compiler<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">I see an error during generate:<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">CMake Error: CMake cannot determine
linker language for target:helloworld<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt">CMake
Error: Cannot determine link language for target
"helloworld"<o:p></o:p></p>
<div>
<p class="MsoNormal">--<o:p></o:p></p>
</div>
<p class="MsoNormal">Vivek Venugopal<o:p></o:p></p>
<div>
<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
On May 2, 2012, at 12:45 PM, "Thompson, Kelly G" <<a
moz-do-not-send="true" href="mailto:kgt@lanl.gov">kgt@lanl.gov</a>>
wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Try
this:</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">#
CMakeLists.txt</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">cmake_minimum_required(VERSION
2.8.7)</span><o:p></o:p></p>
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">project(helloworldproject)</span></b><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">add_subdirectory(src)</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">#
src/CMakeLists.txt</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">cmake_minimum_required(VERSION
2.8.7)</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">file(GLOB
helloworld_SOURCES *.f90)</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">add_executable(helloworld
${helloworld_SOURCES})</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">-kt</span><o:p></o:p></p>
<p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<div style="border:none;border-left:solid blue
1.5pt;padding:0in 0in 0in 4.0pt">
<div>
<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"">
<a moz-do-not-send="true"
href="mailto:cmake-bounces@cmake.org">cmake-bounces@cmake.org</a>
<a moz-do-not-send="true"
href="mailto:[mailto:cmake-bounces@cmake.org]">
[mailto:cmake-bounces@cmake.org]</a> <b>On
Behalf Of </b>Vivek Venugopal<br>
<b>Sent:</b> Wednesday, May 02, 2012 9:39 AM<br>
<b>To:</b> <a moz-do-not-send="true"
href="mailto:cmake@cmake.org">cmake@cmake.org</a><br>
<b>Subject:</b> [CMake] Using CMake with
ifort compiler</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><br clear="all">
<o:p></o:p></p>
<div>
<p
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:13.5pt;background:white;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;word-wrap:break-word"><span
style="font-size:10.5pt;font-family:"Arial","sans-serif"">I
am using CMake 2.8.7 on a Linux machine with
Intel 11.0 compilers. I am trying to use CMake
for the first time as I would like to build
this project on both Windows and Linux
machines.</span><o:p></o:p></p>
<p
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:13.5pt;background:white;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;word-wrap:break-word"><span
style="font-size:10.5pt;font-family:"Arial","sans-serif"">I
though of using a simple approach first and
used a standard Hello World example: My
src/HelloWorld.f90:</span><o:p></o:p></p>
<pre style="margin-bottom:7.5pt;line-height:13.5pt;background:#EEEEEE;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;overflow-x:auto;overflow-y:auto;max-height:600px"><span style="font-size:10.5pt;font-family:Consolas"> </span><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">!Test helloworld in Fortran using Cmake</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">program hello</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in"> print *, "Hello World!"</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">end program hello</span></code><o:p></o:p></pre>
<p
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:13.5pt;background:white;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;word-wrap:break-word"><span
style="font-size:10.5pt;font-family:"Arial","sans-serif"">My
main CMakeLists.txt:</span><o:p></o:p></p>
<pre style="margin-bottom:7.5pt;line-height:13.5pt;background:#EEEEEE;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;overflow-x:auto;overflow-y:auto;max-height:600px"><span style="font-size:10.5pt;font-family:Consolas"> </span><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in"># States that CMake required version must be greater than 2.8.7</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">cmake_minimum_required(VERSION 2.8.7)</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">enable_language (Fortran)</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">project(helloworld Fortran)</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">add_subdirectory(src)</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">SET_TARGET_PROPERTIES(helloworld PROPERTIES LINKER_LANGUAGE FORTRAN)</span></code><o:p></o:p></pre>
<p
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:13.5pt;background:white;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;word-wrap:break-word"><span
style="font-size:10.5pt;font-family:"Arial","sans-serif"">My
src/CMakeLists.txt:</span><o:p></o:p></p>
<pre style="margin-bottom:7.5pt;line-height:13.5pt;background:#EEEEEE;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;overflow-x:auto;overflow-y:auto;max-height:600px"><span style="font-size:10.5pt;font-family:Consolas"> </span><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">cmake_minimum_required(VERSION 2.8.7)</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in"> </span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in"># Include the directory itself as a path to include directories</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">set(CMAKE_INCLUDE_CURRENT_DIR ON)</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in"> </span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in"># For a large number of source files you can create it in a simpler way</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in"># using file() function:</span></code><o:p></o:p></pre>
<pre style="line-height:13.5pt;background:#EEEEEE;vertical-align:baseline"><code><span style="font-family:Consolas;border:none windowtext 1.0pt;padding:0in">file(GLOB helloworld_SOURCES *.f90)</span></code><o:p></o:p></pre>
<p
style="margin:0in;margin-bottom:.0001pt;line-height:13.5pt;background:white;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;word-wrap:break-word"><span
style="font-size:10.5pt;font-family:"Arial","sans-serif"">I
still get an error which says
CMAKE_FORTRAN_LINK_EXECUTABLE variable
missing. I looked at <a moz-do-not-send="true"
href="http://www.abinader.com.br/bruno/how-cmake-simplifies-the-build-process-part-1-basic-build-system/"><span
style="color:#4A6B82;border:none
windowtext
1.0pt;padding:0in;text-decoration:none">Abinader's
CMake tutorial#1</span></a>, but haven't
had success so far.</span><o:p></o:p></p>
<p
style="mso-margin-top-alt:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;line-height:13.5pt;background:white;vertical-align:baseline;border-style:initial;border-color:initial;background-image:initial;word-wrap:break-word"><span
style="font-size:10.5pt;font-family:"Arial","sans-serif"">any
suggestions?? Thanks in advance !</span><o:p></o:p></p>
</div>
</div>
</div>
</blockquote>
</div>
</div>
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