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diff --git a/development/cmake.html b/development/cmake.html index 85ed59f..7bc4339 100644 --- a/development/cmake.html +++ b/development/cmake.html @@ -177,6 +177,19 @@ <div id="content" class="content"> <main> <h1 id="cmake1"><a class="header" href="#cmake1">cmake(1)</a></h1> +<h2 id="frequently-used-variables"><a class="header" href="#frequently-used-variables">Frequently used variables</a></h2> +<pre><code># Install location. +CMAKE_INSTALL_PREFIX=<path> + +# Generate compile_commands.json? +CMAKE_EXPORT_COMPILE_COMMANDS={0,1} + +# Project build type. +CMAKE_BUILD_TYPE={Debug, Release, RelWithDebInfo, MinSizeRel} + +# C++ standard. +CMAKE_CXX_STANDARD={14,17,..} +</code></pre> <h2 id="private--public--interface"><a class="header" href="#private--public--interface"><code>PRIVATE</code> / <code>PUBLIC</code> / <code>INTERFACE</code></a></h2> <p>These modifier control where properties for a given target are visible.</p> <ul> @@ -211,6 +224,15 @@ target_link_libraries(main liba) [3/4] /usr/bin/c++ -DDEF_INTERFACE -DDEF_PUBLIC [..] .../main.cc [4/4] [..] </code></pre> +<h2 id="find_package-ref"><a class="header" href="#find_package-ref"><code>find_package</code> [<a href="https://cmake.org/cmake/help/latest/command/find_package.html">ref</a>]</a></h2> +<p>A small example to play with can be found in <a href="https://github.com/johannst/notes/tree/master/src/development/cmake/module">cmake/module</a>.</p> +<pre><code class="language-cmake">find_package(Name MODULE) +</code></pre> +<p>Looks for <code>FindName.cmake</code> in paths given by <code>CMAKE_MODULE_PATH</code> and then builtin paths.</p> +<pre><code class="language-cmake">find_package(Name CONFIG) +</code></pre> +<p>Looks for <code>name-config.cmake</code> or <code>NameConfig.cmake</code> in paths given by +<code>CMAKE_PREFIX_PATH</code>, or path given by <code>Name_DIR</code> and then builtin paths.</p> </main> |