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re PR bootstrap/25453 (--disable-bootstrap is not documented)

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2006-06-01  Paolo Bonzini  <bonzini@gnu.org>

	PR 25453
	* doc/install.texi: Document --enable-bootstrap and
	--disable-bootstrap.

From-SVN: r114305
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Paolo Bonzini 2006-06-01 12:28:11 +00:00 committed by Paolo Bonzini
parent 028098486c
commit f5c3bb4bf0
2 changed files with 29 additions and 4 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-06-01 Paolo Bonzini <bonzini@gnu.org>
PR 25453
* doc/install.texi: Document --enable-bootstrap and
--disable-bootstrap.
2006-06-01 Paolo Bonzini <bonzini@gnu.org> 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
* doc/install.texi: Document that InfoZIP can replace jar. * doc/install.texi: Document that InfoZIP can replace jar.

27
gcc/doc/install.texi
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@ -1052,6 +1052,20 @@ catalog, configuring with @option{--enable-maintainer-mode} will enable
this. Note that you need a recent version of the @code{gettext} tools this. Note that you need a recent version of the @code{gettext} tools
to do so. to do so.
@item --disable-bootstrap
For a native build, the default configuration is to perform
a 3-stage bootstrap of the compiler when @samp{make} is invoked,
testing that GCC can compile itself correctly. If you want to disable
this process, you can configure with @option{--disable-bootstrap}.
@item --enable-bootstrap
In special cases, you may want to perform a 3-stage build
even if the target and host triplets are different.
This could happen when the host can run code compiled for
the target (e.g.@: host is i686-linux, target is i486-linux).
Starting from GCC 4.2, to do this you have to configure explicitly
with @option{--enable-bootstrap}.
@item --enable-generated-files-in-srcdir @item --enable-generated-files-in-srcdir
Neither the .c and .h files that are generated from Bison and flex nor the Neither the .c and .h files that are generated from Bison and flex nor the
info manuals and man pages that are built from the .texi files are present info manuals and man pages that are built from the .texi files are present
@ -1571,10 +1585,15 @@ documentation pre-built for the unmodified documentation in the release.
@section Building a native compiler @section Building a native compiler
For a native build, the command @samp{make} will trigger a 3-stage For a native build, the default configuration is to perform
bootstrap of the compiler. This will build the entire GCC system a 3-stage bootstrap of the compiler when @samp{make} is invoked.
and ensure that it compiles itself correctly, by doing the This will build the entire GCC system and ensure that it compiles
following steps: itself correctly. It can be disabled with the @option{--disable-bootstrap}
parameter to @samp{configure}, but bootstrapping is suggested because
the compiler will be tested more completely and could also have
better performance.
The bootstrapping process will complete the following steps:
@itemize @bullet @itemize @bullet
@item @item