diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/doc/install.texi | 15 |
2 files changed, 20 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a9abd65..85c05fb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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> * tree-pass.h (pass_into_cfg_layout_mode, diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi index fa2b265..569a399 100644 --- a/gcc/doc/install.texi +++ b/gcc/doc/install.texi @@ -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 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 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 |