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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/wildcard-examples.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/wildcard-examples.html | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/devdocs/gnu_make/wildcard-examples.html b/devdocs/gnu_make/wildcard-examples.html deleted file mode 100644 index e0ca0c3b..00000000 --- a/devdocs/gnu_make/wildcard-examples.html +++ /dev/null @@ -1,17 +0,0 @@ - <h1 class="subsection">Wildcard Examples</h1> <p>Wildcards can be used in the recipe of a rule, where they are expanded by the shell. For example, here is a rule to delete all the object files: </p> <div class="example"> <pre class="example">clean: - rm -f *.o -</pre> -</div> <p>Wildcards are also useful in the prerequisites of a rule. With the following rule in the makefile, ‘<samp>make print</samp>’ will print all the ‘<samp>.c</samp>’ files that have changed since the last time you printed them: </p> <div class="example"> <pre class="example">print: *.c - lpr -p $? - touch print -</pre> -</div> <p>This rule uses <samp>print</samp> as an empty target file; see <a href="empty-targets">Empty Target Files to Record Events</a>. (The automatic variable ‘<samp>$?</samp>’ is used to print only those files that have changed; see <a href="automatic-variables">Automatic Variables</a>.) </p> <p>Wildcard expansion does not happen when you define a variable. Thus, if you write this: </p> <div class="example"> <pre class="example">objects = *.o -</pre> -</div> <p>then the value of the variable <code>objects</code> is the actual string ‘<samp>*.o</samp>’. However, if you use the value of <code>objects</code> in a target or prerequisite, wildcard expansion will take place there. If you use the value of <code>objects</code> in a recipe, the shell may perform wildcard expansion when the recipe runs. To set <code>objects</code> to the expansion, instead use: </p> <div class="example"> <pre class="example">objects := $(wildcard *.o) -</pre> -</div> <p>See <a href="wildcard-function">Wildcard Function</a>. </p><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/Wildcard-Examples.html" class="_attribution-link">https://www.gnu.org/software/make/manual/html_node/Wildcard-Examples.html</a> - </p> -</div> |
