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

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

From-SVN: r46811

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index c62be21ecab1d82e07bd82c0fd2474d9a08c15f4..29e3fa14aeb0ca36077dc051063d4f4f70805e7c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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.

diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 2ec79c72044ab2ca1dca0fac84266b6f12041ac0..683c82b4805176dbe0fc8a834ab1609b20f1928b 100644 (file)
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -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: