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854e76237c
Newer Ruby versions (from 1.9 onward) seem to warn if you query Config::CONFIG and print a warning to use RbConfig instead. RbConfig seems to also work in older versions, at least in 1.8. Use a macro to query RbConfig first and only if that doesn't give anything fall back to Config.
244 lines
10 KiB
CMake
244 lines
10 KiB
CMake
# - Find Ruby
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# This module finds if Ruby is installed and determines where the include files
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# and libraries are. Ruby 1.8 and 1.9 are supported.
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#
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# The minimum required version of Ruby can be specified using the
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# standard syntax, e.g. FIND_PACKAGE(Ruby 1.8)
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#
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# It also determines what the name of the library is. This
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# code sets the following variables:
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#
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# RUBY_EXECUTABLE = full path to the ruby binary
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# RUBY_INCLUDE_DIRS = include dirs to be used when using the ruby library
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# RUBY_LIBRARY = full path to the ruby library
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# RUBY_VERSION = the version of ruby which was found, e.g. "1.8.7"
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# RUBY_FOUND = set to true if ruby ws found successfully
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#
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# RUBY_INCLUDE_PATH = same as RUBY_INCLUDE_DIRS, only provided for compatibility reasons, don't use it
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#=============================================================================
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# Copyright 2004-2009 Kitware, Inc.
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# Copyright 2008-2009 Alexander Neundorf <neundorf@kde.org>
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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# RUBY_ARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"archdir"@:>@)'`
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# RUBY_SITEARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitearchdir"@:>@)'`
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# RUBY_SITEDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitelibdir"@:>@)'`
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# RUBY_LIBDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"libdir"@:>@)'`
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# RUBY_LIBRUBYARG=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"LIBRUBYARG_SHARED"@:>@)'`
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# uncomment the following line to get debug output for this file
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# SET(_RUBY_DEBUG_OUTPUT TRUE)
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# Determine the list of possible names of the ruby executable depending
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# on which version of ruby is required
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SET(_RUBY_POSSIBLE_EXECUTABLE_NAMES ruby)
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# if 1.9 is required, don't look for ruby18 and ruby1.8, default to version 1.8
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IF(Ruby_FIND_VERSION_MAJOR AND Ruby_FIND_VERSION_MINOR)
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SET(Ruby_FIND_VERSION_SHORT_NODOT "${Ruby_FIND_VERSION_MAJOR}${RUBY_FIND_VERSION_MINOR}")
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ELSE(Ruby_FIND_VERSION_MAJOR AND Ruby_FIND_VERSION_MINOR)
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SET(Ruby_FIND_VERSION_SHORT_NODOT "18")
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ENDIF(Ruby_FIND_VERSION_MAJOR AND Ruby_FIND_VERSION_MINOR)
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SET(_RUBY_POSSIBLE_EXECUTABLE_NAMES ${_RUBY_POSSIBLE_EXECUTABLE_NAMES} ruby1.9 ruby19)
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# if we want a version below 1.9, also look for ruby 1.8
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IF("${Ruby_FIND_VERSION_SHORT_NODOT}" VERSION_LESS "19")
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SET(_RUBY_POSSIBLE_EXECUTABLE_NAMES ${_RUBY_POSSIBLE_EXECUTABLE_NAMES} ruby1.8 ruby18)
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ENDIF("${Ruby_FIND_VERSION_SHORT_NODOT}" VERSION_LESS "19")
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FIND_PROGRAM(RUBY_EXECUTABLE NAMES ${_RUBY_POSSIBLE_EXECUTABLE_NAMES})
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IF(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
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FUNCTION(_RUBY_CONFIG_VAR RBVAR OUTVAR)
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EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -r rbconfig -e "print RbConfig::CONFIG['${RBVAR}']"
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RESULT_VARIABLE _RUBY_SUCCESS
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OUTPUT_VARIABLE _RUBY_OUTPUT
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ERROR_QUIET)
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IF(_RUBY_SUCCESS OR NOT _RUBY_OUTPUT)
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EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -r rbconfig -e "print Config::CONFIG['${RBVAR}']"
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RESULT_VARIABLE _RUBY_SUCCESS
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OUTPUT_VARIABLE _RUBY_OUTPUT
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ERROR_QUIET)
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ENDIF(_RUBY_SUCCESS OR NOT _RUBY_OUTPUT)
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SET(${OUTVAR} "${_RUBY_OUTPUT}" PARENT_SCOPE)
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ENDFUNCTION(_RUBY_CONFIG_VAR)
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# query the ruby version
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_RUBY_CONFIG_VAR("MAJOR" RUBY_VERSION_MAJOR)
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_RUBY_CONFIG_VAR("MINOR" RUBY_VERSION_MINOR)
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_RUBY_CONFIG_VAR("TEENY" RUBY_VERSION_PATCH)
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# query the different directories
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_RUBY_CONFIG_VAR("archdir" RUBY_ARCH_DIR)
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_RUBY_CONFIG_VAR("arch" RUBY_ARCH)
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_RUBY_CONFIG_VAR("rubyhdrdir" RUBY_HDR_DIR)
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_RUBY_CONFIG_VAR("libdir" RUBY_POSSIBLE_LIB_DIR)
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_RUBY_CONFIG_VAR("rubylibdir" RUBY_RUBY_LIB_DIR)
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# site_ruby
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_RUBY_CONFIG_VAR("sitearchdir" RUBY_SITEARCH_DIR)
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_RUBY_CONFIG_VAR("sitelibdir" RUBY_SITELIB_DIR)
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# vendor_ruby available ?
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EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -r vendor-specific -e "print 'true'"
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OUTPUT_VARIABLE RUBY_HAS_VENDOR_RUBY ERROR_QUIET)
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IF(RUBY_HAS_VENDOR_RUBY)
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_RUBY_CONFIG_VAR("vendorlibdir" RUBY_VENDORLIB_DIR)
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_RUBY_CONFIG_VAR("vendorarchdir" RUBY_VENDORARCH_DIR)
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ENDIF(RUBY_HAS_VENDOR_RUBY)
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# save the results in the cache so we don't have to run ruby the next time again
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SET(RUBY_VERSION_MAJOR ${RUBY_VERSION_MAJOR} CACHE PATH "The Ruby major version" FORCE)
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SET(RUBY_VERSION_MINOR ${RUBY_VERSION_MINOR} CACHE PATH "The Ruby minor version" FORCE)
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SET(RUBY_VERSION_PATCH ${RUBY_VERSION_PATCH} CACHE PATH "The Ruby patch version" FORCE)
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SET(RUBY_ARCH_DIR ${RUBY_ARCH_DIR} CACHE PATH "The Ruby arch dir" FORCE)
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SET(RUBY_HDR_DIR ${RUBY_HDR_DIR} CACHE PATH "The Ruby header dir (1.9)" FORCE)
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SET(RUBY_POSSIBLE_LIB_DIR ${RUBY_POSSIBLE_LIB_DIR} CACHE PATH "The Ruby lib dir" FORCE)
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SET(RUBY_RUBY_LIB_DIR ${RUBY_RUBY_LIB_DIR} CACHE PATH "The Ruby ruby-lib dir" FORCE)
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SET(RUBY_SITEARCH_DIR ${RUBY_SITEARCH_DIR} CACHE PATH "The Ruby site arch dir" FORCE)
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SET(RUBY_SITELIB_DIR ${RUBY_SITELIB_DIR} CACHE PATH "The Ruby site lib dir" FORCE)
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SET(RUBY_HAS_VENDOR_RUBY ${RUBY_HAS_VENDOR_RUBY} CACHE BOOL "Vendor Ruby is available" FORCE)
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SET(RUBY_VENDORARCH_DIR ${RUBY_VENDORARCH_DIR} CACHE PATH "The Ruby vendor arch dir" FORCE)
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SET(RUBY_VENDORLIB_DIR ${RUBY_VENDORLIB_DIR} CACHE PATH "The Ruby vendor lib dir" FORCE)
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MARK_AS_ADVANCED(
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RUBY_ARCH_DIR
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RUBY_ARCH
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RUBY_HDR_DIR
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RUBY_POSSIBLE_LIB_DIR
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RUBY_RUBY_LIB_DIR
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RUBY_SITEARCH_DIR
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RUBY_SITELIB_DIR
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RUBY_HAS_VENDOR_RUBY
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RUBY_VENDORARCH_DIR
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RUBY_VENDORLIB_DIR
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RUBY_VERSION_MAJOR
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RUBY_VERSION_MINOR
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RUBY_VERSION_PATCH
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)
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ENDIF(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
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# In case RUBY_EXECUTABLE could not be executed (e.g. cross compiling)
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# try to detect which version we found. This is not too good.
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IF(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
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# by default assume 1.8.0
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SET(RUBY_VERSION_MAJOR 1)
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SET(RUBY_VERSION_MINOR 8)
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SET(RUBY_VERSION_PATCH 0)
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# check whether we found 1.9.x
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IF(${RUBY_EXECUTABLE} MATCHES "ruby1.?9" OR RUBY_HDR_DIR)
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SET(RUBY_VERSION_MAJOR 1)
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SET(RUBY_VERSION_MINOR 9)
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ENDIF(${RUBY_EXECUTABLE} MATCHES "ruby1.?9" OR RUBY_HDR_DIR)
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ENDIF(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
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IF(RUBY_VERSION_MAJOR)
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SET(RUBY_VERSION "${RUBY_VERSION_MAJOR}.${RUBY_VERSION_MINOR}.${RUBY_VERSION_PATCH}")
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SET(_RUBY_VERSION_SHORT "${RUBY_VERSION_MAJOR}.${RUBY_VERSION_MINOR}")
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SET(_RUBY_VERSION_SHORT_NODOT "${RUBY_VERSION_MAJOR}${RUBY_VERSION_MINOR}")
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SET(_RUBY_NODOT_VERSION "${RUBY_VERSION_MAJOR}${RUBY_VERSION_MINOR}${RUBY_VERSION_PATCH}")
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ENDIF(RUBY_VERSION_MAJOR)
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FIND_PATH(RUBY_INCLUDE_DIR
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NAMES ruby.h
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HINTS
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${RUBY_HDR_DIR}
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${RUBY_ARCH_DIR}
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/usr/lib/ruby/${_RUBY_VERSION_SHORT}/i586-linux-gnu/ )
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SET(RUBY_INCLUDE_DIRS ${RUBY_INCLUDE_DIR} )
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# if ruby > 1.8 is required or if ruby > 1.8 was found, search for the config.h dir
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IF( "${Ruby_FIND_VERSION_SHORT_NODOT}" GREATER 18 OR "${_RUBY_VERSION_SHORT_NODOT}" GREATER 18 OR RUBY_HDR_DIR)
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FIND_PATH(RUBY_CONFIG_INCLUDE_DIR
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NAMES ruby/config.h config.h
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HINTS
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${RUBY_HDR_DIR}/${RUBY_ARCH}
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${RUBY_ARCH_DIR}
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)
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SET(RUBY_INCLUDE_DIRS ${RUBY_INCLUDE_DIRS} ${RUBY_CONFIG_INCLUDE_DIR} )
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ENDIF( "${Ruby_FIND_VERSION_SHORT_NODOT}" GREATER 18 OR "${_RUBY_VERSION_SHORT_NODOT}" GREATER 18 OR RUBY_HDR_DIR)
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# Determine the list of possible names for the ruby library
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SET(_RUBY_POSSIBLE_LIB_NAMES ruby ruby-static ruby${_RUBY_VERSION_SHORT} ruby${_RUBY_VERSION_SHORT_NODOT} ruby-${_RUBY_VERSION_SHORT} ruby-${RUBY_VERSION})
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IF(WIN32)
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SET( _RUBY_MSVC_RUNTIME "" )
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IF( MSVC60 )
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SET( _RUBY_MSVC_RUNTIME "60" )
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ENDIF( MSVC60 )
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IF( MSVC70 )
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SET( _RUBY_MSVC_RUNTIME "70" )
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ENDIF( MSVC70 )
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IF( MSVC71 )
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SET( _RUBY_MSVC_RUNTIME "71" )
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ENDIF( MSVC71 )
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IF( MSVC80 )
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SET( _RUBY_MSVC_RUNTIME "80" )
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ENDIF( MSVC80 )
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IF( MSVC90 )
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SET( _RUBY_MSVC_RUNTIME "90" )
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ENDIF( MSVC90 )
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LIST(APPEND _RUBY_POSSIBLE_LIB_NAMES
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"msvcr${_RUBY_MSVC_RUNTIME}-ruby${_RUBY_NODOT_VERSION}"
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"msvcr${_RUBY_MSVC_RUNTIME}-ruby${_RUBY_NODOT_VERSION}-static"
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"msvcrt-ruby${_RUBY_NODOT_VERSION}"
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"msvcrt-ruby${_RUBY_NODOT_VERSION}-static" )
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ENDIF(WIN32)
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FIND_LIBRARY(RUBY_LIBRARY NAMES ${_RUBY_POSSIBLE_LIB_NAMES} HINTS ${RUBY_POSSIBLE_LIB_DIR} )
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INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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SET(_RUBY_REQUIRED_VARS RUBY_EXECUTABLE RUBY_INCLUDE_DIR RUBY_LIBRARY)
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IF(_RUBY_VERSION_SHORT_NODOT GREATER 18)
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LIST(APPEND _RUBY_REQUIRED_VARS RUBY_CONFIG_INCLUDE_DIR)
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ENDIF(_RUBY_VERSION_SHORT_NODOT GREATER 18)
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IF(_RUBY_DEBUG_OUTPUT)
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MESSAGE(STATUS "--------FindRuby.cmake debug------------")
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MESSAGE(STATUS "_RUBY_POSSIBLE_EXECUTABLE_NAMES: ${_RUBY_POSSIBLE_EXECUTABLE_NAMES}")
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MESSAGE(STATUS "_RUBY_POSSIBLE_LIB_NAMES: ${_RUBY_POSSIBLE_LIB_NAMES}")
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MESSAGE(STATUS "RUBY_ARCH_DIR: ${RUBY_ARCH_DIR}")
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MESSAGE(STATUS "RUBY_HDR_DIR: ${RUBY_HDR_DIR}")
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MESSAGE(STATUS "RUBY_POSSIBLE_LIB_DIR: ${RUBY_POSSIBLE_LIB_DIR}")
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MESSAGE(STATUS "Found RUBY_VERSION: \"${RUBY_VERSION}\" , short: \"${_RUBY_VERSION_SHORT}\", nodot: \"${_RUBY_VERSION_SHORT_NODOT}\"")
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MESSAGE(STATUS "_RUBY_REQUIRED_VARS: ${_RUBY_REQUIRED_VARS}")
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MESSAGE(STATUS "RUBY_EXECUTABLE: ${RUBY_EXECUTABLE}")
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MESSAGE(STATUS "RUBY_LIBRARY: ${RUBY_LIBRARY}")
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MESSAGE(STATUS "RUBY_INCLUDE_DIR: ${RUBY_INCLUDE_DIR}")
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MESSAGE(STATUS "RUBY_CONFIG_INCLUDE_DIR: ${RUBY_CONFIG_INCLUDE_DIR}")
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MESSAGE(STATUS "--------------------")
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ENDIF(_RUBY_DEBUG_OUTPUT)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Ruby REQUIRED_VARS ${_RUBY_REQUIRED_VARS}
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VERSION_VAR RUBY_VERSION )
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MARK_AS_ADVANCED(
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RUBY_EXECUTABLE
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RUBY_LIBRARY
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RUBY_INCLUDE_DIR
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RUBY_CONFIG_INCLUDE_DIR
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)
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# Set some variables for compatibility with previous version of this file
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SET(RUBY_POSSIBLE_LIB_PATH ${RUBY_POSSIBLE_LIB_DIR})
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SET(RUBY_RUBY_LIB_PATH ${RUBY_RUBY_LIB_DIR})
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SET(RUBY_INCLUDE_PATH ${RUBY_INCLUDE_DIRS})
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