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clarify bundling documentation and improve autoconf macro

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2006-07-06  Paolo Bonzini  <bonzini@gnu.org>
	    Ludovic Courtes  <ludovic.courtes@laas.fr>

	* doc/using.texi: Clarify "Using autoconf" section
	and rename it to "Bundling lightning"
	* lightning.m4: Work also if lightning is not bundled.

Patches applied:

 * lcourtes@laas.fr--2005-libre/lightning--stable--1.2--patch-2
   Fixed `LIGHTNING_CONFIGURE_IF_NOT_FOUND' in the case where `lightning.h' is not found.

git-archimport-id: bonzini@gnu.org--2004b/lightning--stable--1.2--patch-23
This commit is contained in:
Paolo Bonzini 2006-07-10 09:43:04 +00:00
parent 50b6e40e0d
commit e193b0939a
6 changed files with 63 additions and 32 deletions
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10
doc/toc.texi
View file

@ -4,11 +4,11 @@
@macro usingmenu{}
@ifset USING
* Installation:: Configuring and installing GNU lightning
* The instruction set:: The RISC instruction set used i GNU lightning
* GNU lightning macros:: GNU lightning's macros
* Reentrancy:: Re-entrant usage of GNU lightning
* Autoconf support:: Using @code{autoconf} with GNU lightning
* Installation:: Configuring and installing GNU lightning
* The instruction set:: The RISC instruction set used i GNU lightning
* GNU lightning macros:: GNU lightning's macros
* Reentrancy:: Re-entrant usage of GNU lightning
* Bundling GNU lightning:: Using GNU lightning in your programs
@end ifset
@end macro

21
doc/using.texi
View file

@ -1163,8 +1163,8 @@ constant. Of course, expressions like @code{JIT_R0} and
@code{JIT_R(0)} denote the same register, and likewise for
integer callee-saved, or floating-point, registers.
@node Autoconf support
@chapter Using @code{autoconf} with @lightning{}
@node Bundling GNU lightning
@chapter Using @lightning{} in your programs
It is very easy to include @lightning{}'s source code (without the
documentation and examples) into your program's distribution
@ -1180,10 +1180,13 @@ distribution directory.
@end example
@noindent
If you're using Automake, you might be pleased to know that
This will copy the source code for the @lightning{} back ends
into the @file{lightning} directory of your package.
@item If you're using Automake, you might be pleased to know that
@file{Makefile.am} files will be already there.
@item If you're not using Automake and @code{aclocal}, instead,
If you're not using Automake and @code{aclocal}, instead,
you should delete the @file{Makefile.am} files (they are of no use
to you) and copy the contents of the @file{lightning.m4} file, found in
@command{aclocal}'s macro repository (usually @file{/usr/share/aclocal},
@ -1195,12 +1198,12 @@ macro in your @file{configure.in} file.
@code{LIGHTNING_CONFIGURE_IF_NOT_FOUND} will first look for a
pre-installed copy of @lightning{} and, if it can be found, it will
use it; otherwise, it will do exactly the same things that
@lightning{}'s own configure script does. If @lightning{} is
already installed, or if the configuration process succeeds, it
will define the @code{HAVE_LIGHTNING} symbol.
use it; otherwise, it will test if there is a back-end for the host
system. If @lightning{} is already installed, or if the system is
supported by lightning, it will define the @code{HAVE_LIGHTNING}
symbol.
In addtion, an Automake conditional named @code{HAVE_INSTALLED_LIGHTNING}
In addition, an Automake conditional named @code{HAVE_INSTALLED_LIGHTNING}
will be set if @lightning{} is already installed, which can be used to
set up include paths appropriately.