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|
# cmake/modules/tcl-related.cmake
#
# Copyright (C) 2006-2018 Alan W. Irwin
#
# This file is part of PLplot.
#
# PLplot is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published
# by the Free Software Foundation; version 2 of the License.
#
# PLplot 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with the file PLplot; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# Module for determining all tcl-related configuration options not directly
# related to the tk device driver.
if(DEFAULT_NO_BINDINGS)
option(ENABLE_tcl "Enable Tcl binding" OFF)
option(ENABLE_itcl "Enable Itcl interface code" OFF)
option(ENABLE_tk "Enable Tk interface code" OFF)
option(ENABLE_itk "Enable Itk interface code" OFF)
else(DEFAULT_NO_BINDINGS)
option(ENABLE_tcl "Enable Tcl binding" ON)
option(ENABLE_itcl "Enable Itcl interface code" ON)
option(ENABLE_tk "Enable Tk interface code" ON)
option(ENABLE_itk "Enable Itk interface code" ON)
endif(DEFAULT_NO_BINDINGS)
option(USE_INCRTCL_VERSION_4 "Use version 4 of Itcl and Itcl, version 4.1 of Iwidgets" ON)
option(USE_TCL_TK_STUBS "Use Tcl/Tk stubs libraries" OFF)
# Depending on these above options and system resources may also determine
# the following variables which are largely self-explanatory unless documented
# further.
#TCL_INCLUDE_PATH
#TCL_LIBRARY (Always the non-stub version)
#TCL_STUB_LIBRARY (Always the stub version)
#ITCL_INCLUDE_PATH
#ITCL_LIBRARY
#HAVE_ITCL (On when itcl header and library have been found.
# Otherwise, undefined.
# Used for source file configuration.)
#HAVE_ITCLDECLS_H (defined [actually as a path, but we don't use that]
# when itclDecls.h. Otherwise, undefined.
# Used for source file configuration.)
#TK_INCLUDE_PATH
#TK_LIBRARY (Always the non-stub version)
#TK_STUB_LIBRARY (Always the stub version)
#ITK_INCLUDE_PATH
#ITK_LIBRARY
#HAVE_ITK (On when itcl header and library have been found.
# Otherwise, undefined.
# Used for source file configuration.)
#PLPLOT_ITCL_VERSION (Consistent Itcl version number found by PLplot).
#PLPLOT_ITK_VERSION (Consistent Itk version number found by PLplot).
#PLPLOT_IWIDGETS_VERSION (Consistent Iwidgets version number found by PLplot).
#TCL_RPATH (rpath, if needed for non-system Tcl location)
#TCL_TK_RPATH (rpath, if needed for non-system Tcl/Tk location)
#TCL_TK_ITCL_ITK_RPATH (rpath, if needed for non-system Tcl/Tk/Itcl/Itk
# location)
if(ENABLE_tcl)
message(STATUS "Start determining consistent system data for Tcl and friends")
find_package(TclStub QUIET)
if(TCL_FOUND)
message(STATUS "Looking for Tcl - found")
message(STATUS "TCL_INCLUDE_PATH = ${TCL_INCLUDE_PATH}")
message(STATUS "TCL_LIBRARY = ${TCL_LIBRARY}")
message(STATUS "TCL_STUB_LIBRARY = ${TCL_STUB_LIBRARY}")
get_filename_component(TCL_LIBRARY_PATH ${TCL_LIBRARY} PATH)
message(STATUS "TCL_LIBRARY_PATH = ${TCL_LIBRARY_PATH}")
if(TCL_TCLSH)
message(STATUS "Looking for tclsh - found")
message(STATUS "TCL_TCLSH = ${TCL_TCLSH}")
if(NOT PLPLOT_TCL_VERSION)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CheckTCL_VERSION.tcl "puts -nonewline [package require Tcl]; exit")
# Find Tcl version via tclsh or fail.
execute_process(
COMMAND ${TCL_TCLSH} ${CMAKE_CURRENT_BINARY_DIR}/CheckTCL_VERSION.tcl
RESULT_VARIABLE TCL_RC
OUTPUT_VARIABLE _plplot_tcl_version
)
if(NOT TCL_RC)
message(STATUS "Looking for Tcl version with tclsh - found")
# Store result in cached variable so it will be remembered
# when cmake is re-run, but use type of STRING rather than
# INTERNAL to allow users to specify the value with a
# -DPLPLOT_TCL_VERSION:STRING=<whatever> on the command
# line for those rare cases when "package require Tcl"
# would error out due to some tclsh issue.
set(PLPLOT_TCL_VERSION ${_plplot_tcl_version}
CACHE STRING "Tcl version that is available"
)
else(NOT TCL_RC)
message(STATUS "Looking for Tcl version with tclsh - not found")
message(STATUS "WARNING: setting ENABLE_tcl to OFF")
set(ENABLE_tcl OFF CACHE BOOL "Enable Tcl binding" FORCE)
endif(NOT TCL_RC)
endif(NOT PLPLOT_TCL_VERSION)
else(TCL_TCLSH)
message(STATUS "Looking for tclsh - not found")
message(STATUS "WARNING: setting ENABLE_tcl to OFF")
set(ENABLE_tcl OFF CACHE BOOL "Enable Tcl binding" FORCE)
endif(TCL_TCLSH)
else(TCL_FOUND)
message(STATUS "Looking for Tcl - not found")
message(STATUS "WARNING: setting ENABLE_tcl to OFF")
set(ENABLE_tcl OFF CACHE BOOL "Enable Tcl binding" FORCE)
endif(TCL_FOUND)
endif(ENABLE_tcl)
if(ENABLE_tcl)
message(STATUS "PLPLOT_TCL_VERSION = ${PLPLOT_TCL_VERSION}")
set(TCL_RPATH ${TCL_LIBRARY_PATH})
set(TCL_TK_RPATH ${TCL_RPATH})
set(TCL_TK_ITCL_ITK_RPATH ${TCL_RPATH})
# Sanity checking of Tcl version consistency _if_ a Tcl version string
# can be extracted from the Tcl library name.
get_filename_component(library_name ${TCL_LIBRARY} NAME)
string(REGEX MATCH "[0-9]+[.]?[0-9]+" library_version ${library_name})
if(library_version)
# If no decimal point in version insert as the second character.
if(NOT library_version MATCHES "[.]")
string(REGEX REPLACE "^([0-9])([0-9]+)$" "\\1.\\2" library_version ${library_version})
endif(NOT library_version MATCHES "[.]")
#message(STATUS "library_version = ${library_version}")
string(LENGTH ${library_version} length_library_version)
string(SUBSTRING ${PLPLOT_TCL_VERSION} 0 ${length_library_version} truncated_version)
#message(STATUS "truncated_version = ${truncated_version}")
if(NOT truncated_version STREQUAL library_version)
message(STATUS "WARNING: Tcl library version = ${library_version} that is extracted from the
library name is not consistent with PLPLOT_TCL_VERSION = ${PLPLOT_TCL_VERSION}")
endif(NOT truncated_version STREQUAL library_version)
endif(library_version)
if(ENABLE_itcl)
if(USE_INCRTCL_VERSION_4)
set(SUGGESTED_ITCL_VERSION 4)
else(USE_INCRTCL_VERSION_4)
set(SUGGESTED_ITCL_VERSION 3)
endif(USE_INCRTCL_VERSION_4)
if(NOT PLPLOT_ITCL_VERSION)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CheckITCL_Available.tcl "puts -nonewline [package require Itcl ${SUGGESTED_ITCL_VERSION}]; exit")
# Refine SUGGESTED_ITCL_VERSION to exact value or fail.
execute_process(
COMMAND ${TCL_TCLSH} ${CMAKE_CURRENT_BINARY_DIR}/CheckITCL_Available.tcl
RESULT_VARIABLE ITCL_RC
OUTPUT_VARIABLE _plplot_itcl_version
)
if(NOT ITCL_RC)
# Store result in cached variable so it will be remembered
# when cmake is re-run, but use type of STRING rather than
# INTERNAL to allow users to specify the value with a
# -DPLPLOT_ITCL_VERSION:STRING=<whatever> on the command
# line for those rare cases when "package require Itcl"
# would error out due to some tclsh issue.
set(PLPLOT_ITCL_VERSION ${_plplot_itcl_version}
CACHE STRING "Itcl version that will be used"
)
endif(NOT ITCL_RC)
else(NOT PLPLOT_ITCL_VERSION)
set(ITCL_RC 0)
endif(NOT PLPLOT_ITCL_VERSION)
if(NOT ITCL_RC)
message(STATUS "Looking for itcl.h")
if(NOT USE_INCRTCL_VERSION_4)
# Search first for epa_build install location.
find_path(ITCL_INCLUDE_PATH itcl.h HINTS "${TCL_INCLUDE_PATH}/itcl${PLPLOT_ITCL_VERSION}")
endif(NOT USE_INCRTCL_VERSION_4)
message(STATUS "PLPLOT_ITCL_VERSION = ${PLPLOT_ITCL_VERSION}")
string(SUBSTRING ${PLPLOT_ITCL_VERSION} 0 1 SHORT_PLPLOT_ITCL_VERSION)
# N.B. Debian jessie itcl3-dev package stores itcl.h in /usr/include/itcl${SHORT_PLPLOT_ITCL_VERSION}
find_path(ITCL_INCLUDE_PATH itcl.h HINTS "${TCL_INCLUDE_PATH}" PATH_SUFFIXES itcl itcl${SHORT_PLPLOT_ITCL_VERSION})
if(ITCL_INCLUDE_PATH)
message(STATUS "Looking for itcl.h - found")
message(STATUS "ITCL_INCLUDE_PATH = ${ITCL_INCLUDE_PATH}")
message(STATUS "Checking for Itcl header version consistency")
string(REGEX REPLACE "^([0-9]*)\\.[0-9]*.*$" "\\1" ITCL_MAJOR_VERSION "${PLPLOT_ITCL_VERSION}")
string(REGEX REPLACE "^[0-9]*\\.([0-9]*).*$" "\\1" ITCL_MINOR_VERSION "${PLPLOT_ITCL_VERSION}")
message(STATUS "ITCL_MAJOR_VERSION = ${ITCL_MAJOR_VERSION}")
message(STATUS "ITCL_MINOR_VERSION = ${ITCL_MINOR_VERSION}")
if(NOT DEFINED CONSISTENT_HEADER_ITCL_VERSION)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CheckITCL_VERSION.c
"// #define RC_INVOKED to avoid sucking in lots of additional includes for
// efficiency and simplicity.
#define RC_INVOKED 1
#include <itcl.h>
#if ITCL_MAJOR_VERSION != ${ITCL_MAJOR_VERSION} || ITCL_MINOR_VERSION != ${ITCL_MINOR_VERSION}
#error ITCL_VERSION mismatch
#endif
void main(void){}
"
)
try_compile(CONSISTENT_HEADER_ITCL_VERSION ${CMAKE_BINARY_DIR}
${CMAKE_CURRENT_BINARY_DIR}/CheckITCL_VERSION.c
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${ITCL_INCLUDE_PATH};${TCL_INCLUDE_PATH}"
)
endif(NOT DEFINED CONSISTENT_HEADER_ITCL_VERSION)
if(CONSISTENT_HEADER_ITCL_VERSION)
message(STATUS "Checking for Itcl header version consistency - true")
else(CONSISTENT_HEADER_ITCL_VERSION)
message(STATUS "Checking for Itcl header version consistency - false")
message(STATUS "WARNING: Disabling Itcl interface code")
set(ENABLE_itcl OFF CACHE BOOL "Enable Itcl interface code" FORCE)
endif(CONSISTENT_HEADER_ITCL_VERSION)
else(ITCL_INCLUDE_PATH)
message(STATUS "Looking for itcl.h - not found")
message(STATUS "WARNING: Disabling Itcl interface code")
set(ENABLE_itcl OFF CACHE BOOL "Enable Itcl interface code" FORCE)
endif(ITCL_INCLUDE_PATH)
if(ENABLE_itcl)
message(STATUS "Looking for itcl library")
# Search first for epa_build install location.
string(REGEX REPLACE "\\." "" COMPACT_PLPLOT_ITCL_VERSION ${PLPLOT_ITCL_VERSION})
find_library(ITCL_LIBRARY NAMES itcl${PLPLOT_ITCL_VERSION} itcl${COMPACT_PLPLOT_ITCL_VERSION} itcl HINTS ${TCL_LIBRARY_PATH}/itcl${PLPLOT_ITCL_VERSION})
find_library(ITCL_LIBRARY NAMES itcl${PLPLOT_ITCL_VERSION} itcl${COMPACT_PLPLOT_ITCL_VERSION} itcl HINTS ${TCL_LIBRARY_PATH})
if(ITCL_LIBRARY)
message(STATUS "Looking for itcl library - found")
message(STATUS "ITCL_LIBRARY = ${ITCL_LIBRARY}")
get_filename_component(ITCL_LIBRARY_PATH ${ITCL_LIBRARY} PATH)
list(APPEND TCL_TK_ITCL_ITK_RPATH ${ITCL_LIBRARY_PATH})
else(ITCL_LIBRARY)
message(STATUS "Looking for itcl library - not found")
message(STATUS "WARNING: Disabling Itcl interface code")
set(ENABLE_itcl OFF CACHE BOOL "Enable Itcl interface code" FORCE)
endif(ITCL_LIBRARY)
endif(ENABLE_itcl)
else(NOT ITCL_RC)
message(STATUS "Itcl not available or not compatible with current Tcl shell")
message(STATUS "WARNING: Disabling Itcl interface code")
set(ENABLE_itcl OFF CACHE BOOL "Enable Itcl interface code" FORCE)
endif(NOT ITCL_RC)
endif(ENABLE_itcl)
if(ENABLE_tk AND TK_FOUND)
message(STATUS "Looking for Tk - found")
if(X11_FOUND)
list(APPEND TK_INCLUDE_PATH ${X11_INCLUDE_DIR})
endif(X11_FOUND)
message(STATUS "TK_INCLUDE_PATH = ${TK_INCLUDE_PATH}")
message(STATUS "TK_LIBRARY = ${TK_LIBRARY}")
message(STATUS "TK_STUB_LIBRARY = ${TK_STUB_LIBRARY}")
message(STATUS "TK_LIBRARY_PATH = ${TK_LIBRARY_PATH}")
if(NOT ${TK_LIBRARY_PATH} STREQUAL ${TCL_LIBRARY_PATH})
message(STATUS "WARNING: the Tcl and Tk library locations are inconsistent so those libraries are likely not compatible")
endif(NOT ${TK_LIBRARY_PATH} STREQUAL ${TCL_LIBRARY_PATH})
if(TK_WISH)
message(STATUS "Looking for wish - found")
message(STATUS "TK_WISH = ${TK_WISH}")
if(NOT PLPLOT_TK_VERSION)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CheckTK_VERSION.tcl "puts -nonewline [package require Tk]; exit")
# Find Tk version via wish or fail.
execute_process(
COMMAND ${TK_WISH} ${CMAKE_CURRENT_BINARY_DIR}/CheckTK_VERSION.tcl
RESULT_VARIABLE TK_RC
OUTPUT_VARIABLE _plplot_tk_version
)
if(NOT TK_RC)
message(STATUS "Looking for Tk version with wish - found")
# Store result in cached variable so it will be remembered
# when cmake is re-run, but use type of STRING rather than
# INTERNAL to allow users to specify the value with a
# -DPLPLOT_TK_VERSION:STRING=<whatever> on the command
# line for those rare cases when "package require Tk"
# would error out due to some wish issue.
set(PLPLOT_TK_VERSION ${_plplot_tk_version}
CACHE STRING "Tk version found by wish"
)
if(PLPLOT_TCL_VERSION STREQUAL PLPLOT_TK_VERSION)
# Cross check that wish finds the same Tcl version as tclsh.
execute_process(
COMMAND ${TK_WISH} ${CMAKE_CURRENT_BINARY_DIR}/CheckTCL_VERSION.tcl
RESULT_VARIABLE TCL_RC
OUTPUT_VARIABLE _plplot_tcl_version
)
if(NOT TCL_RC AND _plplot_tcl_version STREQUAL PLPLOT_TCL_VERSION)
# Cross check that tclsh finds the same Tk version as wish.
execute_process(
COMMAND ${TCL_TCLSH} ${CMAKE_CURRENT_BINARY_DIR}/CheckTK_VERSION.tcl
RESULT_VARIABLE TK_RC
OUTPUT_VARIABLE _plplot_tk_version
)
if(NOT TK_RC AND _plplot_tk_version STREQUAL PLPLOT_TK_VERSION)
message(STATUS "Tcl and Tk versions found by both tclsh and wish are identical")
# Sanity checking of Tk version consistency _if_ a Tk
# version string can be extracted from the Tk library
# name.
get_filename_component(library_name ${TK_LIBRARY} NAME)
string(REGEX MATCH "[0-9]+[.]?[0-9]+" library_version ${library_name})
if(library_version)
# If no decimal point in version insert as the second character.
if(NOT library_version MATCHES "[.]")
string(REGEX REPLACE "^([0-9])([0-9]+)$" "\\1.\\2" library_version ${library_version})
endif(NOT library_version MATCHES "[.]")
#message(STATUS "library_version = ${library_version}")
string(LENGTH ${library_version} length_library_version)
string(SUBSTRING ${PLPLOT_TK_VERSION} 0 ${length_library_version} truncated_version)
#message(STATUS "truncated_version = ${truncated_version}")
if(NOT truncated_version STREQUAL library_version)
message(STATUS "WARNING: Tk library version = ${library_version} that is extracted from the
library name is not consistent with PLPLOT_TK_VERSION = ${PLPLOT_TK_VERSION}")
endif(NOT truncated_version STREQUAL library_version)
endif(library_version)
elseif(TK_RC)
message(STATUS "Looking for Tk version with tclsh - not found")
message(STATUS "WARNING: setting ENABLE_tk to OFF")
set(ENABLE_tk OFF CACHE BOOL "Enable Tk binding" FORCE)
else(NOT TK_RC AND _plplot_tk_version STREQUAL PLPLOT_TK_VERSION)
message(STATUS "Tk version = ${_plplot_tk_version} found by tclsh is not consistent with
Tk version = ${PLPLOT_TK_VERSION} found by wish"
)
message(STATUS "WARNING: setting ENABLE_tk to OFF")
set(ENABLE_tk OFF CACHE BOOL "Enable Tk binding" FORCE)
endif(NOT TK_RC AND _plplot_tk_version STREQUAL PLPLOT_TK_VERSION)
elseif(TCL_RC)
message(STATUS "Looking for Tcl version with wish - not found")
message(STATUS "WARNING: setting ENABLE_tk to OFF")
set(ENABLE_tk OFF CACHE BOOL "Enable Tk binding" FORCE)
else(NOT TCL_RC AND _plplot_tcl_version STREQUAL PLPLOT_TCL_VERSION)
message(STATUS "Tcl version = ${_plplot_tcl_version} found by wish is not consistent with
Tcl version = ${PLPLOT_TCL_VERSION} found by tclsh"
)
message(STATUS "WARNING: setting ENABLE_tk to OFF")
set(ENABLE_tk OFF CACHE BOOL "Enable Tk binding" FORCE)
endif(NOT TCL_RC AND _plplot_tcl_version STREQUAL PLPLOT_TCL_VERSION)
else(PLPLOT_TCL_VERSION STREQUAL PLPLOT_TK_VERSION)
message(STATUS "Tk version = ${PLPLOT_TK_VERSION} found by wish is not consistent with
Tcl version = ${PLPLOT_TCL_VERSION} found by tclsh"
)
message(STATUS "WARNING: setting ENABLE_tk to OFF")
set(ENABLE_tk OFF CACHE BOOL "Enable Tk binding" FORCE)
endif(PLPLOT_TCL_VERSION STREQUAL PLPLOT_TK_VERSION)
else(NOT TK_RC)
message(STATUS "Looking for Tk version with wish - not found")
message(STATUS "WARNING: setting ENABLE_tk to OFF")
set(ENABLE_tk OFF CACHE BOOL "Enable Tk binding" FORCE)
endif(NOT TK_RC)
else(NOT PLPLOT_TK_VERSION)
set(TK_RC 0)
endif(NOT PLPLOT_TK_VERSION)
else(TK_WISH)
message(STATUS "Looking for wish - not found")
message(STATUS "WARNING: setting ENABLE_tk to OFF")
set(ENABLE_tk OFF CACHE BOOL "Enable Tk binding" FORCE)
endif(TK_WISH)
elseif(ENABLE_tk AND NOT TK_FOUND)
message(STATUS "Looking for Tk - not found")
message(STATUS "WARNING: setting ENABLE_tk to OFF")
set(ENABLE_tk OFF CACHE BOOL "Enable Tk binding" FORCE)
endif(ENABLE_tk AND TK_FOUND)
if(ENABLE_tk)
get_filename_component(TK_LIBRARY_PATH ${TK_LIBRARY} PATH)
list(APPEND TCL_TK_RPATH ${TK_LIBRARY_PATH})
list(APPEND TCL_TK_ITCL_ITK_RPATH ${TK_LIBRARY_PATH})
else(ENABLE_tk)
message(STATUS "WARNING: Because Tk is disabled must disable Itk as well")
set(ENABLE_itk OFF CACHE BOOL "Enable Itk interface code" FORCE)
endif(ENABLE_tk)
if(ENABLE_itk)
if(USE_INCRTCL_VERSION_4)
set(SUGGESTED_ITK_VERSION 4)
else(USE_INCRTCL_VERSION_4)
set(SUGGESTED_ITK_VERSION 3)
endif(USE_INCRTCL_VERSION_4)
if(NOT PLPLOT_ITK_VERSION)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CheckITK_Available.tcl "puts -nonewline [package require Itk ${SUGGESTED_ITK_VERSION}]; exit")
# Refine SUGGESTED_ITK_VERSION to exact value or fail.
execute_process(
COMMAND ${TCL_TCLSH} ${CMAKE_CURRENT_BINARY_DIR}/CheckITK_Available.tcl
RESULT_VARIABLE ITK_RC
OUTPUT_VARIABLE _plplot_itk_version
)
if(NOT ITK_RC)
# Store result in cached variable so it will be remembered
# when cmake is re-run, but use type of STRING rather than
# INTERNAL to allow users to specify the value with a
# -DPLPLOT_ITK_VERSION:STRING=<whatever> on the command line
# for those rare cases (e.g., autobuild environment without X)
# when "package require Itk" would error out due to the lack
# of X or some tclsh issue.
set(PLPLOT_ITK_VERSION ${_plplot_itk_version}
CACHE STRING "Itk version that will be used"
)
endif(NOT ITK_RC)
else(NOT PLPLOT_ITK_VERSION)
set(ITCL_RC 0)
endif(NOT PLPLOT_ITK_VERSION)
if(NOT ITK_RC)
message(STATUS "Looking for itk.h")
if(NOT USE_INCRTCL_VERSION_4)
# Search first for epa_build install location.
find_path(ITK_INCLUDE_PATH itk.h HINTS "${TCL_INCLUDE_PATH}/itcl${PLPLOT_ITCL_VERSION}")
endif(NOT USE_INCRTCL_VERSION_4)
message(STATUS "PLPLOT_ITK_VERSION = ${PLPLOT_ITK_VERSION}")
# N.B. Debian jessie itk3-dev package stores itk.h in /usr/include/itcl${SHORT_PLPLOT_ITCL_VERSION}
find_path(ITK_INCLUDE_PATH itk.h HINTS "${TCL_INCLUDE_PATH}" PATH_SUFFIXES itcl itcl${SHORT_PLPLOT_ITCL_VERSION})
if(ITK_INCLUDE_PATH)
message(STATUS "Looking for itk.h - found")
message(STATUS "ITK_INCLUDE_PATH = ${ITK_INCLUDE_PATH}")
message(STATUS "Checking for Itk header version consistency")
string(REGEX REPLACE "^([0-9]*)\\.[0-9]*.*$" "\\1" ITK_MAJOR_VERSION "${PLPLOT_ITK_VERSION}")
string(REGEX REPLACE "^[0-9]*\\.([0-9]*).*$" "\\1" ITK_MINOR_VERSION "${PLPLOT_ITK_VERSION}")
message(STATUS "ITK_MAJOR_VERSION = ${ITK_MAJOR_VERSION}")
message(STATUS "ITK_MINOR_VERSION = ${ITK_MINOR_VERSION}")
if(NOT DEFINED CONSISTENT_HEADER_ITK_VERSION)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/CheckITK_VERSION.c
"// #define RC_INVOKED to avoid sucking in lots of additional includes for
// efficiency and simplicity and also to avoid the header file disaster that has long
// been a problem for version 3.3 of itk.h
#define RC_INVOKED 1
#include <itk.h>
#if ITK_MAJOR_VERSION != ${ITK_MAJOR_VERSION} || ITK_MINOR_VERSION != ${ITK_MINOR_VERSION}
#error ITK_VERSION mismatch
#endif
void main(void){}
"
)
try_compile(CONSISTENT_HEADER_ITK_VERSION ${CMAKE_BINARY_DIR}
${CMAKE_CURRENT_BINARY_DIR}/CheckITK_VERSION.c
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:PATH=${ITK_INCLUDE_PATH};${TK_INCLUDE_PATH};${TCL_INCLUDE_PATH}"
)
endif(NOT DEFINED CONSISTENT_HEADER_ITK_VERSION)
if(CONSISTENT_HEADER_ITK_VERSION)
message(STATUS "Checking for Itk header version consistency - true")
else(CONSISTENT_HEADER_ITK_VERSION)
message(STATUS "Checking for Itk header version consistency - false")
message(STATUS "WARNING: Disabling Itk interface code")
set(ENABLE_itk OFF CACHE BOOL "Enable Itk interface code" FORCE)
endif(CONSISTENT_HEADER_ITK_VERSION)
else(ITK_INCLUDE_PATH)
message(STATUS "Looking for itk.h - not found")
message(STATUS "WARNING: Disabling Itk interface code")
set(ENABLE_itk OFF CACHE BOOL "Enable Itk interface code" FORCE)
endif(ITK_INCLUDE_PATH)
if(ENABLE_itk)
message(STATUS "Looking for itk library")
# Search first for epa_build install location.
string(REGEX REPLACE "\\." "" COMPACT_PLPLOT_ITK_VERSION ${PLPLOT_ITK_VERSION})
find_library(ITK_LIBRARY NAMES itk${PLPLOT_ITK_VERSION} itk${COMPACT_PLPLOT_ITK_VERSION} itk HINTS ${TK_LIBRARY_PATH}/itk${PLPLOT_ITK_VERSION})
find_library(ITK_LIBRARY NAMES itk${PLPLOT_ITK_VERSION} itk${COMPACT_PLPLOT_ITK_VERSION} itk HINTS ${TK_LIBRARY_PATH})
if(ITK_LIBRARY)
message(STATUS "Looking for itk library - found")
message(STATUS "ITK_LIBRARY = ${ITK_LIBRARY}")
# Test version consistency between iwidgets, itk, and itcl.
if(NOT IWIDGETS_VERSIONS_LIST)
if(USE_INCRTCL_VERSION_4)
set(SUGGESTED_IWIDGETS_VERSION 4.1)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/determine_versions.tcl "puts -nonewline \"[package require Iwidgets ${SUGGESTED_IWIDGETS_VERSION}];[package require Itk];[package require Itcl]\";exit")
execute_process(
COMMAND ${TCL_TCLSH} ${CMAKE_CURRENT_BINARY_DIR}/determine_versions.tcl
RESULT_VARIABLE IWIDGETS_RC
OUTPUT_VARIABLE _iwidgets_versions_list
)
else(USE_INCRTCL_VERSION_4)
# Find maximum 4.0 version of iwidgets that is
# available. 4.0.1 (released in 2002) is the largest
# version of iwidgets4.0 (as opposed to the recently
# developed iwidgets4.1) I have found on the web in
# tarball form, but I have seen one reference to 4.0.2
# which may have been publicly released somewhere
# inaccessible to my google searches or privately made
# available before all development of iwidgets4.0
# stopped. So add 4.0.2 to the list just in case.
foreach(SUGGESTED_IWIDGETS_VERSION 4.0.2 4.0.1 4.0.0)
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/determine_versions.tcl "puts -nonewline \"[package require -exact Iwidgets ${SUGGESTED_IWIDGETS_VERSION}];[package require Itk];[package require Itcl]\";exit")
execute_process(
COMMAND ${TCL_TCLSH} ${CMAKE_CURRENT_BINARY_DIR}/determine_versions.tcl
RESULT_VARIABLE IWIDGETS_RC
OUTPUT_VARIABLE _iwidgets_versions_list
ERROR_QUIET
)
if(NOT IWIDGETS_RC)
break()
endif(NOT IWIDGETS_RC)
endforeach(SUGGESTED_IWIDGETS_VERSION 4.0.2 4.0.1 4.0.0)
endif(USE_INCRTCL_VERSION_4)
if(NOT IWIDGETS_RC)
# Store result in cached variable so it will be
# remembered when cmake is re-run, but use type of
# STRING rather than INTERNAL to allow users to
# specify the value with a
# -DIWIDGETS_VERSIONS_LIST:STRING=<whatever> on the
# command line for those rare cases (e.g., autobuild
# environment without X) when "package require Itk (or
# Itcl or IWidgets)" would error out due to the lack of
# X or some tclsh issue
set(IWIDGETS_VERSIONS_LIST ${_iwidgets_versions_list}
CACHE STRING "list of Iwidgets; Itk, and Itcl versions (in that order) that will be used"
)
endif(NOT IWIDGETS_RC)
else(NOT IWIDGETS_VERSIONS_LIST)
set(IWIDGETS_RC 0)
endif(NOT IWIDGETS_VERSIONS_LIST)
if(NOT IWIDGETS_RC)
message(STATUS "IWIDGETS_VERSIONS_LIST = ${IWIDGETS_VERSIONS_LIST}")
list(GET IWIDGETS_VERSIONS_LIST 0 PLPLOT_IWIDGETS_VERSION)
list(GET IWIDGETS_VERSIONS_LIST 1 CONSISTENT_ITK_VERSION)
list(GET IWIDGETS_VERSIONS_LIST 2 CONSISTENT_ITCL_VERSION)
message(STATUS "PLPLOT_IWIDGETS_VERSION = ${PLPLOT_IWIDGETS_VERSION}")
message(STATUS "Checking that the Iwidgets, Itk, and Itcl packages are consistent")
if(CONSISTENT_ITCL_VERSION STREQUAL PLPLOT_ITCL_VERSION AND CONSISTENT_ITK_VERSION STREQUAL PLPLOT_ITK_VERSION)
message(STATUS "Checking that the Iwidgets, Itk, and Itcl packages are consistent - true")
get_filename_component(ITK_LIBRARY_PATH ${ITK_LIBRARY} PATH)
list(APPEND TCL_TK_ITCL_ITK_RPATH ${ITK_LIBRARY_PATH})
else(CONSISTENT_ITCL_VERSION STREQUAL PLPLOT_ITCL_VERSION AND CONSISTENT_ITK_VERSION STREQUAL PLPLOT_ITK_VERSION)
message(STATUS "PLPLOT_ITK_VERSION = ${PLPLOT_ITK_VERSION}")
message(STATUS "CONSISTENT_ITK_VERSION = ${CONSISTENT_ITK_VERSION}")
message(STATUS "PLPLOT_ITCL_VERSION = ${PLPLOT_ITCL_VERSION}")
message(STATUS "CONSISTENT_ITCL_VERSION = ${CONSISTENT_ITCL_VERSION}")
message(STATUS "Checking that the Iwidgets, Itk, and Itcl packages are consistent - false")
message(STATUS "WARNING: Consistent combination of Iwidgets, Itk, and Itcl not found so disabling Itcl and Itk")
set(ENABLE_itcl OFF CACHE BOOL "Enable Itcl interface code" FORCE)
set(ENABLE_itk OFF CACHE BOOL "Enable Itk interface code" FORCE)
endif(CONSISTENT_ITCL_VERSION STREQUAL PLPLOT_ITCL_VERSION AND CONSISTENT_ITK_VERSION STREQUAL PLPLOT_ITK_VERSION)
else(NOT IWIDGETS_RC)
message(STATUS "WARNING: Iwidgets could not be found so disabling Itcl and Itk")
set(ENABLE_itcl OFF CACHE BOOL "Enable Itcl interface code" FORCE)
set(ENABLE_itk OFF CACHE BOOL "Enable Itk interface code" FORCE)
endif(NOT IWIDGETS_RC)
else(ITK_LIBRARY)
message(STATUS "Looking for itk library - not found")
message(STATUS "WARNING: Disabling Itk interface code")
set(ENABLE_itk OFF CACHE BOOL "Enable Itk interface code" FORCE)
endif(ITK_LIBRARY)
endif(ENABLE_itk)
else(NOT ITK_RC)
message(STATUS "Itk not available or not compatible with current Tcl shell")
message(STATUS "WARNING: Disabling Itk interface code")
set(ENABLE_itk OFF CACHE BOOL "Enable Itk interface code" FORCE)
endif(NOT ITK_RC)
endif(ENABLE_itk)
# ------------------------------------------------------------------------
# figure out how to build tclIndex
# ------------------------------------------------------------------------
set(MKTCLINDEX ${CMAKE_SOURCE_DIR}/scripts/mktclIndex)
if(ENABLE_itcl)
set(MKTCLINDEX_ARGS "-itcl")
else(ENABLE_itcl)
set(MKTCLINDEX_ARGS "-tcl")
endif(ENABLE_itcl)
filter_rpath(TCL_RPATH)
if(TCL_RPATH)
message(STATUS "TCL_RPATH = ${TCL_RPATH}")
endif(TCL_RPATH)
filter_rpath(TCL_TK_RPATH)
if(TCL_TK_RPATH)
message(STATUS "TCL_TK_RPATH = ${TCL_TK_RPATH}")
endif(TCL_TK_RPATH)
filter_rpath(TCL_TK_ITCL_ITK_RPATH)
if(TCL_TK_ITCL_ITK_RPATH)
message(STATUS "TCL_TK_ITCL_ITK_RPATH = ${TCL_TK_ITCL_ITK_RPATH}")
endif(TCL_TK_ITCL_ITK_RPATH)
message(STATUS "Finished determining consistent system data for Tcl and friends")
else(ENABLE_tcl)
message(STATUS "WARNING: ENABLE_tcl is OFF so disabling everything else that is Tcl/Tk related")
set(ENABLE_itcl OFF CACHE BOOL "Enable Itcl interface code" FORCE)
set(ENABLE_tk OFF CACHE BOOL "Enable Tk interface code" FORCE)
set(ENABLE_itk OFF CACHE BOOL "Enable Itk interface code" FORCE)
endif(ENABLE_tcl)
if(ENABLE_tcl)
set(
TCL_DIR
${CMAKE_INSTALL_DATADIR}/${PACKAGE}${PLPLOT_VERSION}/tcl
CACHE PATH "PLplot install location for Tcl/Tk architecture-independent data"
)
list(APPEND INSTALL_LOCATION_VARIABLES_LIST TCL_DIR)
endif(ENABLE_tcl)
if(ENABLE_tk AND X11_FOUND)
set(ENABLE_tkX ON)
else(ENABLE_tk AND X11_FOUND)
set(ENABLE_tkX OFF)
endif(ENABLE_tk AND X11_FOUND)
if(ENABLE_itk AND X11_FOUND)
set(ENABLE_itkX ON)
else(ENABLE_itk AND X11_FOUND)
set(ENABLE_itkX OFF)
endif(ENABLE_itk AND X11_FOUND)
if(NOT ENABLE_itcl)
set(PLPLOT_ITCL_VERSION 0.0.0)
endif(NOT ENABLE_itcl)
if(NOT ENABLE_itk)
set(itk_true "#")
set(PLPLOT_ITK_VERSION 0.0.0)
set(PLPLOT_IWIDGETS_VERSION 0.0.0)
endif(NOT ENABLE_itk)
if(ENABLE_itcl)
set(HAVE_ITCL ON)
find_path(HAVE_ITCLDECLS_H itclDecls.h HINTS "${ITCL_INCLUDE_PATH}")
endif(ENABLE_itcl)
if(ENABLE_itk)
set(HAVE_ITK ON)
endif(ENABLE_itk)
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