FindTCL

Finds the Tcl (Tool Command Language), dynamic programming language:

find_package(TCL [...])

This module locates a Tcl installation, including its include directories and libraries, and determines the appropriate Tcl library name for linking. As part of the Tcl ecosystem, it also finds Tk, a GUI toolkit that provides a library of basic widgets for building graphical user interfaces.

Result Variables

This module defines the following variables:

TCL_FOUND

Boolean indicating whether Tcl was found.

TK_FOUND

Boolean indicating whether Tk was found.

TCLTK_FOUND

Boolean indicating whether both Tcl and Tk were found.

Cache Variables

The following cache variables may also be set:

TCL_LIBRARY

The path to the Tcl library (e.g., tcl, etc.).

TCL_INCLUDE_PATH

The directory containing tcl.h and other Tcl-related headers needed to use Tcl.

TCL_TCLSH

The path to the tclsh command-line executable.

TK_LIBRARY

The path to the Tk library (e.g., tk, etc.).

TK_INCLUDE_PATH

The directory containing tk.h and other Tk-related headers needed to use Tk.

TK_WISH

The path to the wish windowing shell command-line executable.

Other Libraries

The Tcl Stub Library can be found using the separate FindTclStub module.

Examples

Finding Tcl:

find_package(TCL)

See Also

• The FindTclsh module to find the Tcl shell command-line executable.
• The FindTclStub module to find the Tcl Stubs Library.
• The FindWish module to find the wish windowing shell command-line executable .