[PATCH, RFC] Avoid the -D option which is not available install-sh

[Bernd Edlinger]

Hi,

I have an issue with the installation of gcc when configured with --enable-languages=all
on an arm-target where install-sh is used, and make install fails at libphobos as follows:

  if test -f $file; then \
    /home/ed/gnu/gcc-9-20190127-0/install-sh -c -m 644 -D $file /home/ed/gnu/arm-linux-gnueabihf/lib/gcc/armv7l-unknown-linux-gnueabihf/9.0.1/include/d/$file ; \
  else \
    /home/ed/gnu/gcc-9-20190127-0/install-sh -c -m 644 -D ../../../../gcc-9-20190127-0/libphobos/libdruntime/$file \
      /home/ed/gnu/arm-linux-gnueabihf/lib/gcc/armv7l-unknown-linux-gnueabihf/9.0.1/include/d/$file ; \
  fi ; \
done
/home/ed/gnu/gcc-9-20190127-0/install-sh: invalid option: -D
/home/ed/gnu/gcc-9-20190127-0/install-sh: invalid option: -D
/home/ed/gnu/gcc-9-20190127-0/install-sh: invalid option: -D
...

I have fixed the installation with the attached patch, but when I regenerate the automake
files using automake-1.15.1 and autoconf-2.69, I have an issue that apparently
the configure.ac must be out of sync, and the the generated files are missing
the option --runstatedir no matter what I do.  At least on the source 

RFC, because I am not sure what the --runstatedir option is, and if it is intentional to remove,
and forgotten to re-generate, or if was intended to add, and forgotten to check in the
configure.ac.

Attached patch which fixes the install issue, and removes the --runstatedir configure option.
Is OK as is, or has anybody an idea how to fix this mess?


Thanks
Bernd.
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