diff --git a/gcc/doc/makefile.texi b/gcc/doc/makefile.texi index fe0bbcd2ed176a9085dfe6823aadafa71f1a4b01..5186c1cd9d537183f52336fca6e0ac565f54cf2c 100644 --- a/gcc/doc/makefile.texi +++ b/gcc/doc/makefile.texi @@ -135,6 +135,16 @@ Compares the results of stages 2 and 3. This ensures that the compiler is running properly, since it should produce the same object files regardless of how it itself was compiled. +@item distclean-stage@var{N} (@var{N} = 1@dots{}4, profile, feedback) +Wipe stage @var{N} and all the following ones. + +For example, +@samp{make distclean-stage3} wipes stage 3 and all the following ones, +so that another @command{make} then rebuilds them from scratch. +This can be useful if you're doing changes where +``bubbling'' the changes as described above is not sufficient, +but a full @command{make restrap} isn't necessary either. + @item profiledbootstrap Builds a compiler with profiling feedback information. In this case, the second and third stages are named @samp{profile} and @samp{feedback},