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(Installation prefixes): Node removed.
This commit is contained in:
David MacKenzie
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aa134986f6
commit
b175764ac1
@ -6,8 +6,8 @@
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@c @setchapternewpage odd
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@c %**end of header
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@set EDITION 1.10.1
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@set VERSION 1.10.1
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@set EDITION 1.90
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@set VERSION 1.90
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@set UPDATED May 1994
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@iftex
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@ -155,7 +155,6 @@ Test Programs
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Makefiles
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* Predefined Variables:: Heavily used @code{make} variables.
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* Installation Prefixes:: A special variable substitution.
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* VPATH Substitutions:: Compiling in a different directory.
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* Automatic Remaking:: Makefile rules for configuring.
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@ -2477,12 +2476,11 @@ GNU Coding Standards}, for more information on what to put in Makefiles.
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@menu
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* Predefined Variables:: Heavily used @code{make} variables.
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* Installation Prefixes:: A special variable substitution.
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* VPATH Substitutions:: Compiling in a different directory.
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* Automatic Remaking:: Makefile rules for configuring.
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@end menu
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@node Predefined Variables, Installation Prefixes, , Makefiles
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@node Predefined Variables, VPATH Substitutions, , Makefiles
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@section Predefined Variables
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Some @code{make} variables are predefined by the Autoconf macros.
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@ -2501,12 +2499,10 @@ The installation prefix for architecture-specific files.
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@defvar prefix
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The installation prefix for architecture-independent files.
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@xref{Installation Prefixes}, for an alternate way to set this variable.
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@end defvar
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@defvar srcdir
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The directory that contains the source code for that @file{Makefile}.
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@xref{Installation Prefixes}, for an alternate way to set this variable.
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@end defvar
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@defvar top_srcdir
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@ -2530,43 +2526,7 @@ Names of object files (ending in @file{.o}). Set by
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@code{AC_REPLACE_FUNCS} (@pxref{General Feature Tests}).
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@end defvar
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@node Installation Prefixes, VPATH Substitutions, Predefined Variables, Makefiles
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@section Installation Prefixes
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Autoconf-generated @code{configure} scripts support an alternate
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method for substituting two particular variables, for compatibility with
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Cygnus @code{configure}. This method is not recommended.
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If @code{configure} has figured out a value for the installation prefix,
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either by the user supplying one on the command line (@pxref{Invoking
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configure}) or with @code{AC_PREFIX} (@pxref{General Feature Tests}), then it
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substitutes that value in @file{Makefile}s that it creates. Wherever a
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@file{Makefile.in} contains lines like
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@example
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prefix = /usr/local
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exec_prefix = $@{prefix@}
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@end example
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@noindent
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@code{configure} substitutes the value it figured out. The substitution
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only occurs if the word @samp{prefix} or @samp{exec_prefix} is not
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preceded by any other characters on the line, and @code{configure} has
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figured out a value for the prefix.
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There can be separate installation prefixes for architecture-specific
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files (@code{exec_prefix}) and architecture-independent files
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(@code{prefix}). @xref{Invoking configure}, for more information
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on setting them.
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Autoconf @code{configure} scripts replace these two variables without
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requiring them to be enclosed in @samp{@@} characters, and only if they
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have been set, because the Cygnus @code{configure} does so. In
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retrospect, being compatible in this way was a bad decision, because it
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created an inconsistency in Autoconf without giving significant
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benefits.
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@node VPATH Substitutions, Automatic Remaking, Installation Prefixes, Makefiles
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@node VPATH Substitutions, Automatic Remaking, Predefined Variables, Makefiles
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@section @code{VPATH} Substitutions
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You might want to compile a software package in a different directory
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@ -6,8 +6,8 @@
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@c @setchapternewpage odd
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@c %**end of header
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@set EDITION 1.10.1
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@set VERSION 1.10.1
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@set EDITION 1.90
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@set VERSION 1.90
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@set UPDATED May 1994
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@iftex
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@ -155,7 +155,6 @@ Test Programs
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Makefiles
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* Predefined Variables:: Heavily used @code{make} variables.
|
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* Installation Prefixes:: A special variable substitution.
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* VPATH Substitutions:: Compiling in a different directory.
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* Automatic Remaking:: Makefile rules for configuring.
|
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@ -2477,12 +2476,11 @@ GNU Coding Standards}, for more information on what to put in Makefiles.
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@menu
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* Predefined Variables:: Heavily used @code{make} variables.
|
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* Installation Prefixes:: A special variable substitution.
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* VPATH Substitutions:: Compiling in a different directory.
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* Automatic Remaking:: Makefile rules for configuring.
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@end menu
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@node Predefined Variables, Installation Prefixes, , Makefiles
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@node Predefined Variables, VPATH Substitutions, , Makefiles
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@section Predefined Variables
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Some @code{make} variables are predefined by the Autoconf macros.
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@ -2501,12 +2499,10 @@ The installation prefix for architecture-specific files.
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@defvar prefix
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The installation prefix for architecture-independent files.
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@xref{Installation Prefixes}, for an alternate way to set this variable.
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@end defvar
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@defvar srcdir
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The directory that contains the source code for that @file{Makefile}.
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@xref{Installation Prefixes}, for an alternate way to set this variable.
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@end defvar
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@defvar top_srcdir
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@ -2530,43 +2526,7 @@ Names of object files (ending in @file{.o}). Set by
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@code{AC_REPLACE_FUNCS} (@pxref{General Feature Tests}).
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@end defvar
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@node Installation Prefixes, VPATH Substitutions, Predefined Variables, Makefiles
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@section Installation Prefixes
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Autoconf-generated @code{configure} scripts support an alternate
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method for substituting two particular variables, for compatibility with
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Cygnus @code{configure}. This method is not recommended.
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If @code{configure} has figured out a value for the installation prefix,
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either by the user supplying one on the command line (@pxref{Invoking
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configure}) or with @code{AC_PREFIX} (@pxref{General Feature Tests}), then it
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substitutes that value in @file{Makefile}s that it creates. Wherever a
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@file{Makefile.in} contains lines like
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@example
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prefix = /usr/local
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exec_prefix = $@{prefix@}
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@end example
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@noindent
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@code{configure} substitutes the value it figured out. The substitution
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only occurs if the word @samp{prefix} or @samp{exec_prefix} is not
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preceded by any other characters on the line, and @code{configure} has
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figured out a value for the prefix.
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There can be separate installation prefixes for architecture-specific
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files (@code{exec_prefix}) and architecture-independent files
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(@code{prefix}). @xref{Invoking configure}, for more information
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on setting them.
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Autoconf @code{configure} scripts replace these two variables without
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requiring them to be enclosed in @samp{@@} characters, and only if they
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have been set, because the Cygnus @code{configure} does so. In
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retrospect, being compatible in this way was a bad decision, because it
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created an inconsistency in Autoconf without giving significant
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benefits.
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@node VPATH Substitutions, Automatic Remaking, Installation Prefixes, Makefiles
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@node VPATH Substitutions, Automatic Remaking, Predefined Variables, Makefiles
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@section @code{VPATH} Substitutions
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You might want to compile a software package in a different directory
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