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re PR bootstrap/30635 (--enable-stage1-langauges configure option is not documented.)

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PR 30635
* doc/install.texi: Document --enable-stage1-languages

From-SVN: r122861
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Brooks Moses 2007-03-12 20:03:33 +00:00 committed by Brooks Moses
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@ -1,3 +1,8 @@
2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
PR 30635
* doc/install.texi: Document --enable-stage1-languages
2007-03-12 Steven Bosscher <steven@gcc.gnu.org> 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
* tree-pass.h (pass_into_cfg_layout_mode, * tree-pass.h (pass_into_cfg_layout_mode,

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gcc/doc/install.texi
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@ -1136,6 +1136,21 @@ Re-defining @code{LANGUAGES} when calling @samp{make} @strong{does not}
work anymore, as those language sub-directories might not have been work anymore, as those language sub-directories might not have been
configured! configured!
@item --enable-stage1-languages=@var{lang1},@var{lang2},@dots{}
Specify that a particular subset of compilers and their runtime
libraries should be built with the system C compiler during stage 1 of
the bootstrap process, rather than only in later stages with the
bootstrapped C compiler. The list of valid values is the same as for
@option{--enable-languages}, and the option @code{all} will select all
of the languages enabled by @option{--enable-languages}. This option is
primarily useful for GCC development; for instance, when a development
version of the compiler cannot bootstrap due to compiler bugs, or when
one is debugging front ends other than the C front end. When this
option is used, one can then build the target libraries for the
specified languages with the stage-1 compiler by using @command{make
stage1-bubble all-target}, or run the testsuite on the stage-1 compiler
for the specified languages using @command{make stage1-start check-gcc}.
@item --disable-libada @item --disable-libada
Specify that the run-time libraries and tools used by GNAT should not Specify that the run-time libraries and tools used by GNAT should not
be built. This can be useful for debugging, or for compatibility with be built. This can be useful for debugging, or for compatibility with