diff options
Diffstat (limited to 'make.texinfo')
| -rw-r--r-- | make.texinfo | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/make.texinfo b/make.texinfo index 7f4e43c..fe9b95e 100644 --- a/make.texinfo +++ b/make.texinfo @@ -139,8 +139,8 @@ This manual describes @code{make} and contains the following chapters:@refill @end ifinfo @menu +* Copying:: * Overview:: Overview of @code{make}. -* Copying:: Your rights and freedoms. * Introduction:: An introduction to @code{make}. * Makefiles:: Makefiles tell @code{make} what to do. * Rules:: Rules describe when a file must be remade. @@ -209,6 +209,8 @@ Writing Rules the target name. * Double-Colon:: How to use a special kind of rule to allow several independent rules for one target. +* Automatic Dependencies:: How to automatically generate rules giving + dependencies from the source files themselves. Using Wildcard Characters in File Names @@ -2469,7 +2471,7 @@ With static pattern rules, there is no uncertainty: each rule applies to precisely the targets specified. @end itemize -@node Double-Colon, , Static Pattern, Rules +@node Double-Colon, Automatic Dependencies, Static Pattern, Rules @section Double-Colon Rules @cindex double-colon rules @cindex rule, double-colon (@code{::}) @@ -2509,8 +2511,8 @@ implicit rule will be used if one applies. @cindex automatic generation of dependencies @cindex generating dependencies automatically -In the makefile for a program, often many of the rules you need to write -are ones that simply say that some object file depends on some header +In the makefile for a program, many of the rules you need to write often +say only that some object file depends on some header file. For example, if @file{main.c} uses @file{defs.h} via an @code{#include}, you would write: @@ -2615,7 +2617,7 @@ include $(sources:.c=.d) (This example uses a substitution variable reference to translate the list of source files @samp{foo.c bar.c} into a list of dependency makefiles, @samp{foo.d bar.d}. @xref{Substitution Refs}, for full -information on subtitution references.) Since the @samp{.d} files are +information on substitution references.) Since the @samp{.d} files are makefiles like any others, @code{make} will remake them as necessary with no further work from you. @xref{Remaking Makefiles}. |