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| <div class="section" id="cmakeaddfortransubdirectory"> |
| <span id="module:CMakeAddFortranSubdirectory"></span><h1>CMakeAddFortranSubdirectory<a class="headerlink" href="#cmakeaddfortransubdirectory" title="Permalink to this headline">ΒΆ</a></h1> |
| <p>Add a fortran-only subdirectory, find a fortran compiler, and build.</p> |
| <p>The <code class="docutils literal notranslate"><span class="pre">cmake_add_fortran_subdirectory</span></code> function adds a subdirectory |
| to a project that contains a fortran-only subproject. The module will |
| check the current compiler and see if it can support fortran. If no |
| fortran compiler is found and the compiler is MSVC, then this module |
| will find the MinGW gfortran. It will then use an external project to |
| build with the MinGW tools. It will also create imported targets for |
| the libraries created. This will only work if the fortran code is |
| built into a dll, so <span class="target" id="index-0-variable:BUILD_SHARED_LIBS"></span><a class="reference internal" href="../variable/BUILD_SHARED_LIBS.html#variable:BUILD_SHARED_LIBS" title="BUILD_SHARED_LIBS"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">BUILD_SHARED_LIBS</span></code></a> is turned on in |
| the project. In addition the <span class="target" id="index-0-variable:CMAKE_GNUtoMS"></span><a class="reference internal" href="../variable/CMAKE_GNUtoMS.html#variable:CMAKE_GNUtoMS" title="CMAKE_GNUtoMS"><code class="xref cmake cmake-variable docutils literal notranslate"><span class="pre">CMAKE_GNUtoMS</span></code></a> option is set |
| to on, so that Microsoft <code class="docutils literal notranslate"><span class="pre">.lib</span></code> files are created. Usage is as follows:</p> |
| <div class="highlight-none notranslate"><div class="highlight"><pre><span></span>cmake_add_fortran_subdirectory( |
| <subdir> # name of subdirectory |
| PROJECT <project_name> # project name in subdir top CMakeLists.txt |
| ARCHIVE_DIR <dir> # dir where project places .lib files |
| RUNTIME_DIR <dir> # dir where project places .dll files |
| LIBRARIES <lib>... # names of library targets to import |
| LINK_LIBRARIES # link interface libraries for LIBRARIES |
| [LINK_LIBS <lib> <dep>...]... |
| CMAKE_COMMAND_LINE ... # extra command line flags to pass to cmake |
| NO_EXTERNAL_INSTALL # skip installation of external project |
| ) |
| </pre></div> |
| </div> |
| <p>Relative paths in <code class="docutils literal notranslate"><span class="pre">ARCHIVE_DIR</span></code> and <code class="docutils literal notranslate"><span class="pre">RUNTIME_DIR</span></code> are interpreted with |
| respect to the build directory corresponding to the source directory |
| in which the function is invoked.</p> |
| <p>Limitations:</p> |
| <p><code class="docutils literal notranslate"><span class="pre">NO_EXTERNAL_INSTALL</span></code> is required for forward compatibility with a |
| future version that supports installation of the external project |
| binaries during <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">install</span></code>.</p> |
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