From 754bbf7a25a8dda49b5d08ef0d0443bbf5af0e36 Mon Sep 17 00:00:00 2001 From: Craig Jennings Date: Sun, 7 Apr 2024 13:41:34 -0500 Subject: new repository --- devdocs/gnu_make/combine-by-prerequisite.html | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 devdocs/gnu_make/combine-by-prerequisite.html (limited to 'devdocs/gnu_make/combine-by-prerequisite.html') 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 @@ +

Another Style of Makefile

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: 

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
+
+

Here defs.h is given as a prerequisite of all the object files; command.h and buffer.h are prerequisites of the specific object files listed for them.

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.

+

+ 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.
Licensed under the GNU Free Documentation License.
+ https://www.gnu.org/software/make/manual/html_node/Combine-By-Prerequisite.html +

+
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