f77
You should decide whether you want installation of g77
to also install an f77 command.
On systems with a native f77, this is not
normally desired, so g77 does not do this by
default.
If you want f77 installed, create the file `f77-install-ok'
(e.g. via the UNIX command `touch f77-install-ok') in the
source or build top-level directory (the same directory in
which the g77 `f' directory resides, not the `f' directory
itself), or edit `gcc/f/Make-lang.in' and change the definition
of the `F77_INSTALL_FLAG' macro appropriately.
Usually, this means that, after typing `cd gcc', you would type `touch f77-install-ok'.
When you enable installation of f77, either a link to or a
direct copy of the g77 command is made.
Similarly, `f77.1' is installed as a man page.
(The uninstall target in the `gcc/Makefile' also tests
this macro and file, when invoked, to determine whether to delete the
installed copies of f77 and `f77.1'.)
Note: No attempt is yet made
to install a program (like a shell script) that provides
compatibility with any other f77 programs.
Only the most rudimentary invocations of f77 will
work the same way with g77.
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