You can view very brief descriptions of the f95 command line options by invoking the compiler’s -help option as shown below:
%f95 -help=flags
Items within [ ] are optional. Items within < > are variable parameters.
Bar | indicates choice of literal values.
-someoption[={yes|no}] implies -someoption is equivalent to -someoption=yes
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-a Collect data for tcov basic block profiling
-aligncommon[=<a>] Align common block elements to the specified
boundary requirement; <a>={1|2|4|8|16}
-ansi Report non-ANSI extensions.
-autopar Enable automatic loop parallelization
-Bdynamic Allow dynamic linking
-Bstatic Require static linking
-C Enable runtime subscript range checking
-c Compile only; produce .o files but suppress
linking
...etc.