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#
# Copyright (C) 2008 Julien Louis <ptitlouis@sysif.net>
# Copyright (C) 2008-2013 Sebastien Helleu <flashcode@flashtux.org>
#
# This file is part of WeeChat, the extensible chat client.
#
# WeeChat is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# WeeChat is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with WeeChat. If not, see <http://www.gnu.org/licenses/>.
#
# - Find Tcl includes and libraries.
# This module finds if Tcl is installed and determines where the
# include files and libraries are. It also determines what the name of
# the library is. This code sets the following variables:
# TCL_FOUND = Tcl was found
# TK_FOUND = Tk was found
# TCLTK_FOUND = Tcl and Tk were found
# TCL_LIBRARY = path to Tcl library (tcl tcl80)
# TCL_INCLUDE_PATH = path to where tcl.h can be found
# TCL_TCLSH = path to tclsh binary (tcl tcl80)
# TK_LIBRARY = path to Tk library (tk tk80 etc)
# TK_INCLUDE_PATH = path to where tk.h can be found
# TK_WISH = full path to the wish executable
#
# In an effort to remove some clutter and clear up some issues for people
# who are not necessarily Tcl/Tk gurus/developpers, some variables were
# moved or removed. Changes compared to CMake 2.4 are:
# - The stub libraries are now found in FindTclStub.cmake
# => they were only useful for people writing Tcl/Tk extensions.
# - TCL_LIBRARY_DEBUG and TK_LIBRARY_DEBUG were removed.
# => these libs are not packaged by default with Tcl/Tk distributions.
# Even when Tcl/Tk is built from source, several flavors of debug libs
# are created and there is no real reason to pick a single one
# specifically (say, amongst tcl84g, tcl84gs, or tcl84sgx).
# Let's leave that choice to the user by allowing him to assign
# TCL_LIBRARY to any Tcl library, debug or not.
# - TK_INTERNAL_PATH was removed.
# => this ended up being only a Win32 variable, and there is a lot of
# confusion regarding the location of this file in an installed Tcl/Tk
# tree anyway (see 8.5 for example). If you need the internal path at
# this point it is safer you ask directly where the *source* tree is
# and dig from there.
IF(TCL_FOUND)
SET(TCL_FIND_QUIETLY TRUE)
ENDIF(TCL_FOUND)
INCLUDE(CMakeFindFrameworks)
INCLUDE(FindTclsh)
GET_FILENAME_COMPONENT(TCL_TCLSH_PATH "${TCL_TCLSH}" PATH)
GET_FILENAME_COMPONENT(TCL_TCLSH_PATH_PARENT "${TCL_TCLSH_PATH}" PATH)
STRING(REGEX REPLACE
"^.*tclsh([0-9]\\.*[0-9]).*$" "\\1" TCL_TCLSH_VERSION "${TCL_TCLSH}")
GET_FILENAME_COMPONENT(TCL_INCLUDE_PATH_PARENT "${TCL_INCLUDE_PATH}" PATH)
GET_FILENAME_COMPONENT(TCL_LIBRARY_PATH "${TCL_LIBRARY}" PATH)
GET_FILENAME_COMPONENT(TCL_LIBRARY_PATH_PARENT "${TCL_LIBRARY_PATH}" PATH)
STRING(REGEX REPLACE
"^.*tcl([0-9]\\.*[0-9]).*$" "\\1" TCL_VERSION "${TCL_LIBRARY}")
SET(TCL_POSSIBLE_LIB_PATHS
"${TCL_INCLUDE_PATH_PARENT}/lib"
"${TCL_INCLUDE_PATH_PARENT}/lib64"
"${TCL_LIBRARY_PATH}"
"${TCL_TCLSH_PATH_PARENT}/lib"
"${TCL_TCLSH_PATH_PARENT}/lib64"
/usr/lib
/usr/lib64
/usr/local/lib
/usr/local/lib64
)
IF(WIN32)
GET_FILENAME_COMPONENT(
ActiveTcl_CurrentVersion
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ActiveState\\ActiveTcl;CurrentVersion]"
NAME)
SET(TCLTK_POSSIBLE_LIB_PATHS ${TCLTK_POSSIBLE_LIB_PATHS}
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ActiveState\\ActiveTcl\\${ActiveTcl_CurrentVersion}]/lib"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Scriptics\\Tcl\\8.6;Root]/lib"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Scriptics\\Tcl\\8.5;Root]/lib"
"$ENV{ProgramFiles}/Tcl/Lib"
"C:/Program Files/Tcl/lib"
"C:/Tcl/lib"
)
ENDIF(WIN32)
FIND_LIBRARY(TCL_LIBRARY
NAMES
tcl86 tcl8.6
tcl85 tcl8.5
tcl
tcl${TCL_VERSION} tcl${TCL_TCLSH_VERSION}
PATHS ${TCL_POSSIBLE_LIB_PATHS}
)
CMAKE_FIND_FRAMEWORKS(Tcl)
SET(TCL_FRAMEWORK_INCLUDES)
IF(Tcl_FRAMEWORKS)
IF(NOT TCL_INCLUDE_PATH)
FOREACH(dir ${Tcl_FRAMEWORKS})
SET(TCL_FRAMEWORK_INCLUDES ${TCL_FRAMEWORK_INCLUDES} ${dir}/Headers)
ENDFOREACH(dir)
ENDIF(NOT TCL_INCLUDE_PATH)
ENDIF(Tcl_FRAMEWORKS)
SET(TCL_POSSIBLE_INCLUDE_PATHS
"${TCL_LIBRARY_PATH_PARENT}/include"
"${TCL_INCLUDE_PATH}"
${TCL_FRAMEWORK_INCLUDES}
"${TCL_TCLSH_PATH_PARENT}/include"
/usr/include/tcl8.6
/usr/include/tcl8.5
/usr/include
/usr/local/include
/usr/include/tcl${TCL_VERSION}
/usr/local/include/tcl${TCL_VERSION}
/usr/local/include/tcl8.6
/usr/local/include/tcl8.5
)
IF(WIN32)
SET(TCLTK_POSSIBLE_INCLUDE_PATHS ${TCLTK_POSSIBLE_INCLUDE_PATHS}
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ActiveState\\ActiveTcl\\${ActiveTcl_CurrentVersion}]/include"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Scriptics\\Tcl\\8.6;Root]/include"
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\Scriptics\\Tcl\\8.5;Root]/include"
"$ENV{ProgramFiles}/Tcl/include"
"C:/Program Files/Tcl/include"
"C:/Tcl/include"
)
ENDIF(WIN32)
FIND_PATH(TCL_INCLUDE_PATH
NAMES tcl.h
PATHS ${TCL_POSSIBLE_INCLUDE_PATHS}
)
IF(TCL_LIBRARY AND TCL_INCLUDE_PATH)
SET(TCL_VERSION ${TCL_VERSION})
SET(TCL_LIBARY ${TCL_LIBRARY})
SET(TCL_INCLUDE_PATH ${TCL_INCLUDE_PATH})
SET(TCL_FOUND TRUE)
ENDIF(TCL_LIBRARY AND TCL_INCLUDE_PATH)
MARK_AS_ADVANCED(
TCL_INCLUDE_PATH
TCL_LIBRARY
TCL_VERSION
)
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