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Diffstat (limited to 'print.html')
| -rw-r--r-- | print.html | 53 |
1 files changed, 50 insertions, 3 deletions
@@ -541,6 +541,11 @@ ${foo/pattern/string} # replace pattern with string when expanding foo # '/' replace all occurences of pattern # '#' pattern match at beginning # '%' pattern match at end + +# set programmatically with priintf builtin +printf -v "VAR1" "abc" +NAME=VAR2 +printf -v "$NAME" "%s" "def" </code></pre> <blockquote> <p>Note: <code>prefix</code>/<code>suffix</code>/<code>pattern</code> are expanded as <a href="tools/bash.html#pathname">pathnames</a>.</p> @@ -1180,6 +1185,7 @@ the same repository (shared .git folder).</p> <pre><code class="language-markdown"> git diff <commit>..<commit> [<file>] .... show changes between two arbitrary commits. If one <commit> is omitted it is if HEAD is specified. + git diff --name-only <commit>..<commit> . show names of files changed git diff -U$(wc -l <file>) <file> ....... shows complete file with diffs instead of usual diff snippets git diff --staged ....................... show diffs of staged files @@ -1770,10 +1776,14 @@ gpg> save --tty <tty> set I/O tty for debugee --batch run in batch mode, exit after processing options (eg used for scripting) + --batch-silent link --batch, but surpress gdb stdout </code></pre> <h1 id="interactive-usage"><a class="header" href="#interactive-usage">Interactive usage</a></h1> <h2 id="misc"><a class="header" href="#misc">Misc</a></h2> -<pre><code class="language-markdown"> tty <tty> +<pre><code class="language-markdown"> apropos <regex> + Search commands matching regex. + + tty <tty> Set <tty> as tty for debugee. Make sure nobody reads from target tty, easiest is to spawn a shell and run following in target tty: @@ -1792,6 +1802,9 @@ gpg> save info display List display expressions. + + info sharedlibrary [<regex>] + List shared libraries loaded. Optionally use <regex> to filter. </code></pre> <h2 id="breakpoints"><a class="header" href="#breakpoints">Breakpoints</a></h2> <pre><code class="language-markdown"> break [-qualified] <sym> thread <tnum> @@ -1923,6 +1936,12 @@ thread name <name> inferior <id> Switch to inferior with <id>. </code></pre> +<h2 id="scheduling"><a class="header" href="#scheduling">Scheduling</a></h2> +<pre><code class="language-markdown"> set schedule-multiple <on | off> + on: Resume all threads of all processes (inferiors) when continuing + or stepping. + off: (default) Resume only threads of current process (inferior). +</code></pre> <h2 id="shell-commands"><a class="header" href="#shell-commands">Shell commands</a></h2> <pre><code class="language-markdown"> shell <shell_cmd> Run the shell_cmd and print the output, can also contain a pipeline. @@ -1968,13 +1987,19 @@ thread name <name> set logging file <fname> Change output log file to <fname> - set logging redirect <on/off> + set logging redirect <on | off> on: only log to file. off: log to file and tty. - set logging overwrite <on/off> + set logging overwrite <on | off> on: Truncate log file on each run. off: Append to logfile (default). + + set history filename <fname> + Change file where to save and restore command history to and from. + + set history <on | off> + Enable or disable saving of command history. </code></pre> <blockquote> <p>Logging options should be configured before logging is turned on.</p> @@ -4443,6 +4468,19 @@ run1: <li>C++ ABI - <a href="https://itanium-cxx-abi.github.io/cxx-abi">C++ Itanium ABI</a></li> </ul> <div style="break-before: page; page-break-before: always;"></div><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> @@ -4477,6 +4515,15 @@ 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> <div style="break-before: page; page-break-before: always;"></div><h1 id="make1"><a class="header" href="#make1">make(1)</a></h1> <h2 id="anatomy-of-make-rules"><a class="header" href="#anatomy-of-make-rules">Anatomy of <code>make</code> rules</a></h2> <pre><code class="language-make">target .. : prerequisite .. |