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diff --git a/devdocs/gnu_make/combine-by-prerequisite.html b/devdocs/gnu_make/combine-by-prerequisite.html new file mode 100644 index 00000000..2566ec39 --- /dev/null +++ b/devdocs/gnu_make/combine-by-prerequisite.html @@ -0,0 +1,16 @@ + <h1 class="section">Another Style of Makefile</h1> <p>When the objects of a makefile are created only by implicit rules, an alternative style of makefile is possible. In this style of makefile, you group entries by their prerequisites instead of by their targets. Here is what one looks like: </p> <div class="example"> <pre class="example">objects = main.o kbd.o command.o display.o \ + insert.o search.o files.o utils.o + +edit : $(objects) + cc -o edit $(objects) + +$(objects) : defs.h +kbd.o command.o files.o : command.h +display.o insert.o search.o files.o : buffer.h +</pre> +</div> <p>Here <samp>defs.h</samp> is given as a prerequisite of all the object files; <samp>command.h</samp> and <samp>buffer.h</samp> are prerequisites of the specific object files listed for them. </p> <p>Whether this is better is a matter of taste: it is more compact, but some people dislike it because they find it clearer to put all the information about each target in one place. </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/Combine-By-Prerequisite.html" class="_attribution-link">https://www.gnu.org/software/make/manual/html_node/Combine-By-Prerequisite.html</a> + </p> +</div> |