gperf?
If a build aborts trying to invoke gperf, that
strongly suggests an improper method was used to
create the gcc source directory,
such as the UNIX `cp -r' command instead
of `cp -pr', since this problem very likely
indicates that the date-time-modified information on
the gcc source files is incorrect.
The proper solution is to recreate the gcc source
directory from a gcc distribution known to be
provided by the FSF.
It is possible you might be able to temporarily work around the problem, however, by trying these commands:
sh# cd gcc sh# touch c-gperf.h sh#
These commands update the date-time-modified information for
the file produced by the invocation of gperf
in the current versions of gcc, so that make no
longer believes it needs to update it.
This file should already exist in a gcc
distribution, but mistakes made when copying the gcc
directory can leave the modification information
set such that the gperf input files look more "recent"
than the corresponding output files.
If the above does not work, definitely start from scratch
and avoid copying the gcc using any method that does
not reliably preserve date-time-modified information, such
as the UNIX `cp -r' command.
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