[Bug bootstrap/34126] [4.3 regression] bootstrap: build/genmodes missing

[wilson at gcc dot gnu dot org]

------- Comment #4 from wilson at gcc dot gnu dot org  2007-11-16 22:37 -------
This problem occurs if you accidentally run
  ../gcc/gcc/configure
instead of
  ../gcc/configure

I've tried looking at make -d output, and there isn't enough info there to see
what is going wrong.  In the second case, the implicit rule
build/gen%$(build_exeext) is found.  If the first case, the implicit rule is
not found, and hence we perform no action when making build/genmodes, resulting
in a non-existent file when we later try to run it.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34126