Diagnostics and Messages

Option

Description

-C

Equivalent to: (-CA, -CB, -CS, -CU, -CV) extensive runtime diagnostics options.

-CA

Use in conjunction with -d[n]. Checks for nil pointers/allocatable array references at runtime.

-CB
 

Use in conjunction with -d[n]. Generates runtime code to check that array subscript and substring references are within declared bounds.

-CS
 

Use in conjunction with -d[n]. Generates runtime code that checks for consistent shape of intrinsic procedure.

-CU
 

Use in conjunction with -d[n]. Generates runtime code that causes a runtime error if variables are used without being initialized.

-CV
 

Use in conjunction with -d[n]. On entry to a subprogram, tests the correspondence between the actual arguments passed and the dummy arguments expected. Both calling and called code must be compiled with -CV for the checks to be effective.

-d[n]

Set the level of diagnostic messages.

Option

-nologo
 

Disables the display of the compiler version (or sign-on) message: compiler ID, version, copyright years.

-help
 

You can print a list and brief description of the most useful compiler driver options by specifying the -help option on the command line.

-Vstring

Displays compiler version information.

-v

Shows driver tool commands and executes tools.

-dryrun

Shows driver tool commands, but does not execute tools.

Option

-cm

Suppresses all comment messages.

-cerrs[-]

Enables/disables (default) a terse format for diagnostic messages, for example: "file", line no : error message

-w

Suppresses all warning messages.

-w0

Suppresses all warning messages generated by preprocessing and compilation. Error messages are still be displayed.

-w1

Display warning messages. The compiler uses this option as the default.

-w90, -w95
 

Suppresses warning messages about non-standard Fortran features used.

-WB
 

On a bound check violation, issues a warning instead of an error. (accommodates old FORTRAN code, in which array bounds of dummy arguments were frequently declared as 1.)

Option

-e90, e95
 

Enables issuing of errors rather than warnings for features that are non-standard Fortran.

-q
 

Suppresses compiler output to standard error, _stderr. When -q is specified with -bd, then only fatal error messages are output to _stderr.