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Roland McGrath 1993-06-25 19:47:50 +00:00
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make.texinfo
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@ -9,7 +9,7 @@
@set EDITION 0.43
@set VERSION 3.68 Beta
@set UPDATED 21 June 1993
@set UPDATED 25 June 1993
@set UPDATE-MONTH June 1993
@c finalout
@ -96,7 +96,7 @@ Cover art by Etienne Suvasa.
@page
@ifinfo
@node Top, Copying, (dir), (dir)
@node Top, Overview, (dir), (dir)
@top Make
The GNU @code{make} utility automatically determines which pieces of a
@ -111,7 +111,6 @@ This manual describes @code{make} and contains the following chapters:@refill
@end ifinfo
@menu
* Copying::
* Overview:: Overview of @code{make}.
* Introduction:: An introduction to @code{make}.
* Makefiles:: Makefiles tell @code{make} what to do.
@ -317,10 +316,7 @@ Implicit Rule for Archive Member Targets
* Archive Symbols:: How to update archive symbol directories.
@end menu
@node Copying, Overview, Top, Top
@include gpl.texinfo
@node Overview, Introduction, Copying, Top
@node Overview, Introduction, Top, Top
@comment node-name, next, previous, up
@chapter Overview of @code{make}
@ -6102,6 +6098,14 @@ running a @code{touch} command on the given file before running
@code{make}, except that the modification time is changed only in the
imagination of @code{make}.
@xref{Instead of Execution, ,Instead of Executing the Commands}.
@item --warn-undefined-variables
@cindex @code{--warn-undefined-variables}
@cindex variables, warning for undefined
@cindex undefined variables, warning message
Issue a warning message whenever @code{make} sees a reference to an
undefined variable. This can be helpful when you are trying to debug
makefiles which use variables in complex ways.
@end table
@node Implicit Rules, Archives, Running, Top
@ -6250,22 +6254,23 @@ available unless the makefile explicitly overrides or cancels them.
canceling or overriding an implicit rule. The @samp{-r} or
@samp{--no-builtin-rules} option cancels all predefined rules.
Not all of these rules will always be defined, even when the @samp{-r} option
is not given. Many of the predefined implicit rules are implemented in
@code{make} as suffix rules, so which ones will be defined depends on the
@dfn{suffix list} (the list of dependencies of the special target
@code{.SUFFIXES}). The default suffix list is: @code{.out}, @code{.a},
@code{.ln}, @code{.o}, @code{.c}, @code{.cc}, @code{.C}, @code{.p},
@code{.f}, @code{.F}, @code{.r}, @code{.y}, @code{.l}, @code{.s}, @code{.S},
@code{.mod}, @code{.sym}, @code{.def}, @code{.h}, @code{.info}, @code{.dvi},
@code{.tex}, @code{.texinfo}, @code{.texi}, @code{.txinfo}, @code{.w},
@code{.web}, @code{.sh}, @code{.elc}, @code{.el}. All of the implicit rules
described below whose dependencies have one of these suffixes are actually
suffix rules. If you modify the suffix list, the only predefined suffix
rules in effect will be those named by one or two of the suffixes that are on
the list you specify; rules whose suffixes fail to be on the list are
disabled. @xref{Suffix Rules, ,Old-Fashioned Suffix Rules}, for full details
on suffix rules.
Not all of these rules will always be defined, even when the @samp{-r}
option is not given. Many of the predefined implicit rules are
implemented in @code{make} as suffix rules, so which ones will be
defined depends on the @dfn{suffix list} (the list of dependencies of
the special target @code{.SUFFIXES}). The default suffix list is:
@code{.out}, @code{.a}, @code{.ln}, @code{.o}, @code{.c}, @code{.cc},
@code{.C}, @code{.p}, @code{.f}, @code{.F}, @code{.r}, @code{.y},
@code{.l}, @code{.s}, @code{.S}, @code{.mod}, @code{.sym}, @code{.def},
@code{.h}, @code{.info}, @code{.dvi}, @code{.tex}, @code{.texinfo},
@code{.texi}, @code{.txinfo}, @code{.w}, @code{.ch} @code{.web},
@code{.sh}, @code{.elc}, @code{.el}. All of the implicit rules
described below whose dependencies have one of these suffixes are
actually suffix rules. If you modify the suffix list, the only
predefined suffix rules in effect will be those named by one or two of
the suffixes that are on the list you specify; rules whose suffixes fail
to be on the list are disabled. @xref{Suffix Rules, ,Old-Fashioned
Suffix Rules}, for full details on suffix rules.
@table @asis
@item Compiling C programs
@ -6454,12 +6459,14 @@ The same command is used on the C code produced from
@pindex .tex
@pindex .web
@pindex .w
@file{@var{n}.dvi} is made from @file{@var{n}.tex} with the
command @samp{$(TEX)}. @file{@var{n}.tex} is made from
@file{@var{n}.web} with @samp{$(WEAVE)}, or from @file{@var{n}.w}
with @samp{$(CWEAVE)}. @file{@var{n}.p} is made from
@file{@var{n}.web} with @samp{$(TANGLE)} and @file{@var{n}.c} is
made from @file{@var{n}.w} with @samp{$(CTANGLE)}.@refill
@pindex .ch
@file{@var{n}.dvi} is made from @file{@var{n}.tex} with the command
@samp{$(TEX)}. @file{@var{n}.tex} is made from @file{@var{n}.web} with
@samp{$(WEAVE)}, or from @file{@var{n}.w} (and from @file{@var{n}.ch} if
it exists or can be made) with @samp{$(CWEAVE)}. @file{@var{n}.p} is
made from @file{@var{n}.web} with @samp{$(TANGLE)} and @file{@var{n}.c}
is made from @file{@var{n}.w} (and from @file{@var{n}.ch} if it exists
or can be made) with @samp{$(CTANGLE)}.@refill
@item Texinfo and Info
@cindex Texinfo, rule to format