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| author | Craig Jennings <c@cjennings.net> | 2025-08-14 22:58:58 -0500 |
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| committer | Craig Jennings <c@cjennings.net> | 2025-08-14 22:58:58 -0500 |
| commit | 82ba818ff456bcd6d56a06226e3f27e98fbb55c3 (patch) | |
| tree | 158cfc17b2f644a10f063cb546752cfaae12c97f /devdocs/gnu_make/variables-in-recipes.html | |
| parent | 9278ddd4ea1a8b1a4c1edaa8894516e3f48d245b (diff) | |
| download | dotemacs-82ba818ff456bcd6d56a06226e3f27e98fbb55c3.tar.gz dotemacs-82ba818ff456bcd6d56a06226e3f27e98fbb55c3.zip | |
removing all downloaded devdocs files
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| -rw-r--r-- | devdocs/gnu_make/variables-in-recipes.html | 20 |
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diff --git a/devdocs/gnu_make/variables-in-recipes.html b/devdocs/gnu_make/variables-in-recipes.html deleted file mode 100644 index 00d1d05b..00000000 --- a/devdocs/gnu_make/variables-in-recipes.html +++ /dev/null @@ -1,20 +0,0 @@ - <h1 class="subsection">Using Variables in Recipes</h1> <p>The other way in which <code>make</code> processes recipes is by expanding any variable references in them (see <a href="reference">Basics of Variable References</a>). This occurs after make has finished reading all the makefiles and the target is determined to be out of date; so, the recipes for targets which are not rebuilt are never expanded. </p> <p>Variable and function references in recipes have identical syntax and semantics to references elsewhere in the makefile. They also have the same quoting rules: if you want a dollar sign to appear in your recipe, you must double it (‘<samp>$$</samp>’). For shells like the default shell, that use dollar signs to introduce variables, it’s important to keep clear in your mind whether the variable you want to reference is a <code>make</code> variable (use a single dollar sign) or a shell variable (use two dollar signs). For example: </p> <div class="example"> <pre class="example">LIST = one two three -all: - for i in $(LIST); do \ - echo $$i; \ - done -</pre> -</div> <p>results in the following command being passed to the shell: </p> <div class="example"> <pre class="example">for i in one two three; do \ - echo $i; \ -done -</pre> -</div> <p>which generates the expected result: </p> <div class="example"> <pre class="example">one -two -three -</pre> -</div><div class="_attribution"> - <p class="_attribution-p"> - Copyright © 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Free Software Foundation, Inc. <br>Licensed under the GNU Free Documentation License.<br> - <a href="https://www.gnu.org/software/make/manual/html_node/Variables-in-Recipes.html" class="_attribution-link">https://www.gnu.org/software/make/manual/html_node/Variables-in-Recipes.html</a> - </p> -</div> |