# cxxlib

Determines whether the compiler links using the C++ run-time libraries provided by gcc.

## Syntax

Linux: | -cxxlib -no-cxxlib

macOS: | -cxxlib -no-cxxlib

Windows: | None

## Arguments

None

## Default

-no-cxxlib | The compiler uses the default run-time libraries and does not link to any additional C++ run-time libraries.

## Description

This option determines whether the compiler links to the standard C++ run-time library (libstdc++). It is useful for building mixed Fortran/C++ applications.

Option -cxxlib=dir can be used with option -gcc-name=name to specify the location `dir/bin/name`.

## IDE Equivalent

None

## Alternate Options

None

Parent topic: Linking or Linker Options

## See Also

gcc-name compiler option