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install.texi: Document that configure options not listed in this file are unsupported.

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* doc/install.texi: Document that configure options not listed in
	this file are unsupported.  Document --with-system-zlib.

From-SVN: r46811
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Joseph Myers 2001-11-06 20:05:07 +00:00 committed by Joseph Myers
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@ -1,3 +1,8 @@
2001-11-06 Joseph S. Myers <jsm28@cam.ac.uk>
* doc/install.texi: Document that configure options not listed in
this file are unsupported. Document --with-system-zlib.
Tue Nov 6 09:21:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* rtl.h (mem_for_const_double): New declaration.

8
gcc/doc/install.texi
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@ -309,7 +309,9 @@ implies that the host defaults to @var{target}.
@heading Options specification
Use @var{options} to override several configure time options for
GCC@. A partial list of supported @var{options}:
GCC@. A list of supported @var{options} follows; @command{configure
--help} may list other options, but those not listed below may not
work and should not normally be used.
@table @code
@item --prefix=@var{dirname}
@ -711,6 +713,10 @@ inferior @code{catgets} interface, the GCC build procedure normally
ignores @code{catgets} and instead uses GCC's copy of the GNU
@code{gettext} library. The @option{--with-catgets} option causes the
build procedure to use the host's @code{catgets} in this situation.
@item --with-system-zlib
Use installed zlib rather than that included with GCC@. This option
only applies if the Java front end is being built.
@end table
Some options which only apply to building cross compilers: