(g77.info)Directory Options

Options for Directory Search
============================

   These options affect how the `cpp' preprocessor searches for files
specified via the `#include' directive.  Therefore, when compiling
Fortran programs, they are meaningful when the preprocessor is used.

   Some of these options also affect how `g77' searches for files
specified via the `INCLUDE' directive, although files included by that
directive are not, themselves, preprocessed.  These options are:

`-I-'

`-IDIR'
     These affect interpretation of the `INCLUDE' directive (as well as
     of the `#include' directive of the `cpp' preprocessor).

     Note that `-IDIR' must be specified *without* any spaces between
     `-I' and the directory name--that is, `-Ifoo/bar' is valid, but
     `-I foo/bar' is rejected by the `g77' compiler (though the
     preprocessor supports the latter form).  Also note that the
     general behavior of `-I' and `INCLUDE' is pretty much the same as
     of `-I' with `#include' in the `cpp' preprocessor, with regard to
     looking for `header.gcc' files and other such things.

     Note: Options for Directory Search, for
     information on the `-I' option.


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