| Option | Language | Meaning |
|---|---|---|
| -# | C | Turns on verbose modes, showing how command options expand. Shows each component as it is invoked. |
| -### | C | Shows each component as it would be invoked, but does not actually execute it. Also shows how command options would expand. |
| +d | C++ | Prevents the compiler from expanding C++ inline functions. |
| -dryrun | C++ F95 | Shows each component as it would be invoked, but does not actually execute it. Also shows how command options would expand. |
| -E | C C++ | Directs the CC driver to only preprocess the C++ source files, and to send the result to stdout (standard output). |
| -g | C C++ F95 | Instructs both the compiler and the linker to prepare the file or program for debugging. |
| -g0 | C++ | Instructs the compiler to prepare the file or program for debugging, but not to disable inlining. |
| -H | C C++ | Prints the path name of each include file contained in the current compilation to the standard error output. |
| -keeptmp | C C++ | Retains the temporary files that are created during compilation. |
| -migration | C++ | Explains where to get information about migrating source code that was built for earlier versions of the compiler. |
| -P | C C++ | Only preprocesses source; does not compile. |
| -Q | C++ F95 | Passes compiler options to a specific phase of the compilation process. |
| -Q | C | Emits identification information to the output file. |
| -s | C C++ F95 | Strips the symbol table from the executable file. |
| -temp | C++ F95 | Defines the directory for temporary files. |
| -verbose | C++ | Controls compiler verbosity. |
| -Xlist | F95 | Finds potential programming bugs. Invokes an extra compiler pass to check for consistency in calls and common across the global program. |
| -xcheck | C C++ F95 | Enables a runtime check for stack overflow. |
| -xdebugformat | C C++ F95 | Identifies the format of debugger information |
| -xdryrun | C | Shows each component as it would be invoked, but does not actually execute it. Also shows how command options would expand. |
| -xdumpmacros | C++ | Shows how macros are behaving in your program. |
| -xe | C C++ | Checks only for syntax and semantic errors. |
| -xhelp | C C++ F95 | Displays online help for compiler options or latest readme. |
| -xport64 | C++ | Helps you port code to a 64-bit environment. |
| -xs | C C++ F95 | Allows debugging by dbx without object files. |
| -xsb | C | Generates extra symbol table information for the Source Browser. |
| -xsbfast | C | Creates the database for the Source Browser, but does not actually compile. |