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#.rst:
# FindIce
# -------
#
# Find the ZeroC Internet Communication Engine (ICE) programs,
# libraries and datafiles.
#
# This module supports multiple components.
# Components can include any of: ``Freeze``, ``Glacier2``, ``Ice``,
# ``IceBox``, ``IceDB``, ``IceGrid``, ``IcePatch``, ``IceSSL``,
# ``IceStorm``, ``IceUtil``, ``IceXML``, or ``Slice``.
#
# This module reports information about the Ice installation in
# several variables. General variables::
#
# Ice_VERSION - Ice release version
# Ice_FOUND - true if the main programs and libraries were found
# Ice_LIBRARIES - component libraries to be linked
# Ice_INCLUDE_DIRS - the directories containing the Ice headers
# Ice_SLICE_DIRS - the directories containing the Ice slice interface
# definitions
#
# Ice programs are reported in::
#
# Ice_SLICE2CPP_EXECUTABLE - path to slice2cpp executable
# Ice_SLICE2CS_EXECUTABLE - path to slice2cs executable
# Ice_SLICE2FREEZEJ_EXECUTABLE - path to slice2freezej executable
# Ice_SLICE2FREEZE_EXECUTABLE - path to slice2freeze executable
# Ice_SLICE2HTML_EXECUTABLE - path to slice2html executable
# Ice_SLICE2JAVA_EXECUTABLE - path to slice2java executable
# Ice_SLICE2PHP_EXECUTABLE - path to slice2php executable
# Ice_SLICE2PY_EXECUTABLE - path to slice2py executable
# Ice_SLICE2RB_EXECUTABLE - path to slice2rb executable
#
# Ice component libraries are reported in::
#
# Ice_<C>_FOUND - ON if component was found
# Ice_<C>_LIBRARIES - libraries for component
#
# Note that ``<C>`` is the uppercased name of the component.
#
# This module reads hints about search results from::
#
# Ice_HOME - the root of the Ice installation
#
# The environment variable :envvar:`ICE_HOME` may also be used; the
# Ice_HOME variable takes precedence.
#
# The following cache variables may also be set::
#
# Ice_<P>_EXECUTABLE - the path to executable <P>
# Ice_INCLUDE_DIR - the directory containing the Ice headers
# Ice_SLICE_DIR - the directory containing the Ice slice interface
# definitions
# Ice_<C>_LIBRARY - the library for component <C>
#
# .. note::
#
# In most cases none of the above variables will require setting,
# unless multiple Ice versions are available and a specific version
# is required. On Windows, the most recent version of Ice will be
# found through the registry. On Unix, the programs, headers and
# libraries will usually be in standard locations, but Ice_SLICE_DIRS
# might not be automatically detected (commonly known locations are
# searched). All the other variables are defaulted using Ice_HOME,
# if set. It's possible to set Ice_HOME and selectively specify
# alternative locations for the other components; this might be
# required for e.g. newer versions of Visual Studio if the
# heuristics are not sufficient to identify the correct programs and
# libraries for the specific Visual Studio version.
#
# Other variables one may set to control this module are::
#
# Ice_DEBUG - Set to ON to enable debug output from FindIce.
# Written by Roger Leigh <rleigh@codelibre.net>
#=============================================================================
# Copyright 2014 University of Dundee
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# The Ice checks are contained in a function due to the large number
# of temporary variables needed.
function(_Ice_FIND)
# Released versions of Ice, including generic short forms
set(ice_versions
3
3.5
3.5.1
3.5.0
3.4
3.4.2
3.4.1
3.4.0
3.3
3.3.1
3.3.0)
# Set up search paths, taking compiler into account. Search Ice_HOME,
# with ICE_HOME in the environment as a fallback if unset.
if(Ice_HOME)
list(APPEND ice_roots "${Ice_HOME}")
else()
if(NOT "$ENV{ICE_HOME}" STREQUAL "")
file(TO_CMAKE_PATH "$ENV{ICE_HOME}" NATIVE_PATH)
list(APPEND ice_roots "${NATIVE_PATH}")
set(Ice_HOME "${NATIVE_PATH}"
CACHE PATH "Location of the Ice installation" FORCE)
endif()
endif()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
# 64-bit path suffix
set(_x64 "/x64")
# 64-bit library directory
set(_lib64 "lib64")
endif()
if(MSVC_VERSION)
# VS 8.0
if(NOT MSVC_VERSION VERSION_LESS 1400 AND MSVC_VERSION VERSION_LESS 1500)
set(vcver "vc80")
set(vcyear "2005")
# VS 9.0
elseif(NOT MSVC_VERSION VERSION_LESS 1500 AND MSVC_VERSION VERSION_LESS 1600)
set(vcver "vc90")
set(vcyear "2008")
# VS 10.0
elseif(NOT MSVC_VERSION VERSION_LESS 1600 AND MSVC_VERSION VERSION_LESS 1700)
set(vcver "vc100")
# VS 11.0
elseif(NOT MSVC_VERSION VERSION_LESS 1700 AND MSVC_VERSION VERSION_LESS 1800)
set(vcver "vc110")
# VS 12.0
elseif(NOT MSVC_VERSION VERSION_LESS 1800 AND MSVC_VERSION VERSION_LESS 1900)
set(vcver "vc120")
# VS 14.0
elseif(NOT MSVC_VERSION VERSION_LESS 1900 AND MSVC_VERSION VERSION_LESS 2000)
set(vcver "vc140")
endif()
endif()
# For compatibility with ZeroC Windows builds.
if(vcver)
# Earlier Ice (3.3) builds don't use vcnnn subdirectories, but are harmless to check.
list(APPEND ice_binary_suffixes "bin/${vcver}${_x64}" "bin/${vcver}")
list(APPEND ice_library_suffixes "lib/${vcver}${_x64}" "lib/${vcver}")
endif()
# Generic 64-bit and 32-bit directories
list(APPEND ice_binary_suffixes "bin${_x64}" "bin")
list(APPEND ice_library_suffixes "${_lib64}" "lib${_x64}" "lib")
list(APPEND ice_include_suffixes "include")
list(APPEND ice_slice_suffixes "slice")
# On Windows, look in the registry for install locations. Different
# versions of Ice install support different compiler versions.
if(vcver)
foreach(ice_version ${ice_versions})
# Ice 3.3 releases use a Visual Studio year suffix and value is
# enclosed in double quotes, though only the leading quote is
# returned by get_filename_component.
unset(ice_location)
if(vcyear)
get_filename_component(ice_location
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ZeroC\\Ice ${ice_version} for Visual Studio ${vcyear};InstallDir]"
PATH)
if(ice_location AND NOT ("${ice_location}" STREQUAL "/registry" OR "${ice_location}" STREQUAL "/"))
string(REGEX REPLACE "^\"(.*)\"?$" "\\1" ice_location "${ice_location}")
get_filename_component(ice_location "${ice_location}" ABSOLUTE)
else()
unset(ice_location)
endif()
endif()
# Ice 3.4+ releases don't use a suffix
if(NOT ice_location OR "${ice_location}" STREQUAL "/registry")
get_filename_component(ice_location
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ZeroC\\Ice ${ice_version};InstallDir]"
ABSOLUTE)
endif()
if(ice_location AND NOT "${ice_location}" STREQUAL "/registry")
list(APPEND ice_roots "${ice_location}")
endif()
endforeach()
else()
foreach(ice_version ${ice_versions})
# Prefer 64-bit variants if present (and using a 64-bit compiler)
list(APPEND ice_roots "/opt/Ice-${ice_version}")
endforeach()
endif()
set(ice_programs
slice2cpp
slice2cs
slice2freezej
slice2freeze
slice2html
slice2java
slice2php
slice2py
slice2rb)
# Find all Ice programs
foreach(program ${ice_programs})
string(TOUPPER "${program}" program_upcase)
set(cache_var "Ice_${program_upcase}_EXECUTABLE")
set(program_var "Ice_${program_upcase}_EXECUTABLE")
find_program("${cache_var}" "${program}"
HINTS ${ice_roots}
PATH_SUFFIXES ${ice_binary_suffixes}
DOC "Ice ${program} executable")
mark_as_advanced(cache_var)
set("${program_var}" "${${cache_var}}" PARENT_SCOPE)
endforeach()
# Get version.
if(Ice_SLICE2CPP_EXECUTABLE)
# Execute in C locale for safety
set(_Ice_SAVED_LC_ALL "$ENV{LC_ALL}")
set(ENV{LC_ALL} C)
execute_process(COMMAND ${Ice_SLICE2CPP_EXECUTABLE} --version
ERROR_VARIABLE Ice_VERSION_SLICE2CPP_FULL
ERROR_STRIP_TRAILING_WHITESPACE)
# restore the previous LC_ALL
set(ENV{LC_ALL} ${_Ice_SAVED_LC_ALL})
# Make short version
string(REGEX REPLACE "^(.*)\\.[^.]*$" "\\1" Ice_VERSION_SLICE2CPP_SHORT "${Ice_VERSION_SLICE2CPP_FULL}")
set(Ice_VERSION "${Ice_VERSION_SLICE2CPP_FULL}" PARENT_SCOPE)
endif()
message(STATUS "Ice version: ${Ice_VERSION_SLICE2CPP_FULL}")
# Find include directory
find_path(Ice_INCLUDE_DIR
NAMES "Ice/Ice.h"
HINTS ${ice_roots}
PATH_SUFFIXES ${ice_include_suffixes}
DOC "Ice include directory")
set(Ice_INCLUDE_DIR "${Ice_INCLUDE_DIR}" PARENT_SCOPE)
# In common use on Linux, MacOS X (homebrew) and FreeBSD; prefer
# version-specific dir
list(APPEND ice_slice_paths
/usr/local/share /usr/share)
list(APPEND ice_slice_suffixes
"Ice-${Ice_VERSION_SLICE2CPP_FULL}/slice"
"Ice-${Ice_VERSION_SLICE2CPP_SHORT}/slice"
Ice)
# Find slice directory
find_path(Ice_SLICE_DIR
NAMES "Ice/Connection.ice"
HINTS ${ice_roots}
${ice_slice_paths}
PATH_SUFFIXES ${ice_slice_suffixes}
NO_DEFAULT_PATH
DOC "Ice slice directory")
set(Ice_SLICE_DIR "${Ice_SLICE_DIR}" PARENT_SCOPE)
# Find all Ice libraries
set(Ice_REQUIRED_LIBS_FOUND ON)
foreach(component ${Ice_FIND_COMPONENTS})
string(TOUPPER "${component}" component_upcase)
set(component_cache "Ice_${component_upcase}_LIBRARY")
set(component_found "${component_upcase}_FOUND")
find_library("${component_cache}" "${component}"
HINTS ${ice_roots}
PATH_SUFFIXES ${ice_library_suffixes}
DOC "Ice ${component} library")
mark_as_advanced("${component_cache}")
if("${component_cache}")
set("${component_found}" ON)
list(APPEND Ice_LIBRARY "${${component_cache}}")
endif()
mark_as_advanced("${component_found}")
set("${component_cache}" "${${component_cache}}" PARENT_SCOPE)
set("${component_found}" "${${component_found}}" PARENT_SCOPE)
if("${component_found}")
if ("Ice_FIND_REQUIRED_${component}")
list(APPEND Ice_LIBS_FOUND "${component} (required)")
else()
list(APPEND Ice_LIBS_FOUND "${component} (optional)")
endif()
else()
if ("Ice_FIND_REQUIRED_${component}")
set(Ice_REQUIRED_LIBS_FOUND OFF)
list(APPEND Ice_LIBS_NOTFOUND "${component} (required)")
else()
list(APPEND Ice_LIBS_NOTFOUND "${component} (optional)")
endif()
endif()
endforeach()
set(_Ice_REQUIRED_LIBS_FOUND "${Ice_REQUIRED_LIBS_FOUND}" PARENT_SCOPE)
set(Ice_LIBRARY "${Ice_LIBRARY}" PARENT_SCOPE)
if(Ice_LIBS_FOUND)
message(STATUS "Found the following Ice libraries:")
foreach(found ${Ice_LIBS_FOUND})
message(STATUS " ${found}")
endforeach()
endif()
if(Ice_LIBS_NOTFOUND)
message(STATUS "The following Ice libraries were not found:")
foreach(notfound ${Ice_LIBS_NOTFOUND})
message(STATUS " ${notfound}")
endforeach()
endif()
if(Ice_DEBUG)
message(STATUS "--------FindIce.cmake search debug--------")
message(STATUS "ICE binary path search order: ${ice_roots}")
message(STATUS "ICE include path search order: ${ice_roots}")
message(STATUS "ICE slice path search order: ${ice_roots} ${ice_slice_paths}")
message(STATUS "ICE library path search order: ${ice_roots}")
message(STATUS "----------------")
endif()
endfunction()
_Ice_FIND()
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Ice
FOUND_VAR Ice_FOUND
REQUIRED_VARS Ice_SLICE2CPP_EXECUTABLE
Ice_INCLUDE_DIR
Ice_SLICE_DIR
Ice_LIBRARY
_Ice_REQUIRED_LIBS_FOUND
VERSION_VAR Ice_VERSION
FAIL_MESSAGE "Failed to find all Ice components")
unset(_Ice_REQUIRED_LIBS_FOUND)
if(Ice_FOUND)
set(Ice_INCLUDE_DIRS "${Ice_INCLUDE_DIR}")
set(Ice_SLICE_DIRS "${Ice_SLICE_DIR}")
set(Ice_LIBRARIES "${Ice_LIBRARY}")
foreach(_Ice_component ${Ice_FIND_COMPONENTS})
string(TOUPPER "${_Ice_component}" _Ice_component_upcase)
set(_Ice_component_cache "Ice_${_Ice_component_upcase}_LIBRARY")
set(_Ice_component_lib "Ice_${_Ice_component_upcase}_LIBRARIES")
set(_Ice_component_found "${_Ice_component_upcase}_FOUND")
if("${_Ice_component_found}")
set("${_Ice_component_lib}" "${${_Ice_component_cache}}")
endif()
unset(_Ice_component_upcase)
unset(_Ice_component_cache)
unset(_Ice_component_lib)
unset(_Ice_component_found)
endforeach()
endif()
if(Ice_DEBUG)
message(STATUS "--------FindIce.cmake results debug--------")
message(STATUS "Ice_VERSION number: ${Ice_VERSION}")
message(STATUS "Ice_HOME directory: ${Ice_HOME}")
message(STATUS "Ice_INCLUDE_DIR directory: ${Ice_INCLUDE_DIR}")
message(STATUS "Ice_SLICE_DIR directory: ${Ice_SLICE_DIR}")
message(STATUS "Ice_LIBRARIES: ${Ice_LIBRARIES}")
message(STATUS "slice2cpp executable: ${Ice_SLICE2CPP_EXECUTABLE}")
message(STATUS "slice2cs executable: ${Ice_SLICE2CS_EXECUTABLE}")
message(STATUS "slice2freezej executable: ${Ice_SLICE2FREEZEJ_EXECUTABLE}")
message(STATUS "slice2freeze executable: ${Ice_SLICE2FREEZE_EXECUTABLE}")
message(STATUS "slice2html executable: ${Ice_SLICE2HTML_EXECUTABLE}")
message(STATUS "slice2java executable: ${Ice_SLICE2JAVA_EXECUTABLE}")
message(STATUS "slice2php executable: ${Ice_SLICE2PHP_EXECUTABLE}")
message(STATUS "slice2py executable: ${Ice_SLICE2PY_EXECUTABLE}")
message(STATUS "slice2rb executable: ${Ice_SLICE2RB_EXECUTABLE}")
foreach(component ${Ice_FIND_COMPONENTS})
string(TOUPPER "${component}" component_upcase)
set(component_lib "Ice_${component_upcase}_LIBRARIES")
set(component_found "${component_upcase}_FOUND")
message(STATUS "${component} library found: ${${component_found}}")
message(STATUS "${component} library: ${${component_lib}}")
endforeach()
message(STATUS "----------------")
endif()
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