2 # This module finds if Ruby is installed and determines where the include files
3 # and libraries are. Ruby 1.8 and 1.9 are supported.
5 # The minimum required version of Ruby can be specified using the
6 # standard syntax, e.g. FIND_PACKAGE(Ruby 1.8)
8 # It also determines what the name of the library is. This
9 # code sets the following variables:
11 # RUBY_EXECUTABLE = full path to the ruby binary
12 # RUBY_INCLUDE_DIRS = include dirs to be used when using the ruby library
13 # RUBY_LIBRARY = full path to the ruby library
14 # RUBY_VERSION = the version of ruby which was found, e.g. "1.8.7"
15 # RUBY_FOUND = set to true if ruby ws found successfully
17 # RUBY_INCLUDE_PATH = same as RUBY_INCLUDE_DIRS, only provided for compatibility reasons, don't use it
19 #=============================================================================
20 # Copyright 2004-2009 Kitware, Inc.
21 # Copyright 2008-2009 Alexander Neundorf <neundorf@kde.org>
23 # Redistribution and use in source and binary forms, with or without
24 # modification, are permitted provided that the following conditions
27 # * Redistributions of source code must retain the above copyright
28 # notice, this list of conditions and the following disclaimer.
30 # * Redistributions in binary form must reproduce the above copyright
31 # notice, this list of conditions and the following disclaimer in the
32 # documentation and/or other materials provided with the distribution.
34 # * Neither the names of Kitware, Inc., the Insight Software Consortium,
35 # nor the names of their contributors may be used to endorse or promote
36 # products derived from this software without specific prior written
39 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
40 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
41 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
42 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
43 # HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
45 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
46 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
47 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
48 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
49 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
50 #=============================================================================
52 # RUBY_ARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"archdir"@:>@)'`
53 # RUBY_SITEARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitearchdir"@:>@)'`
54 # RUBY_SITEDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitelibdir"@:>@)'`
55 # RUBY_LIBDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"libdir"@:>@)'`
56 # RUBY_LIBRUBYARG=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"LIBRUBYARG_SHARED"@:>@)'`
58 # uncomment the following line to get debug output for this file
59 # SET(_RUBY_DEBUG_OUTPUT TRUE)
61 # Determine the list of possible names of the ruby executable depending
62 # on which version of ruby is required
63 SET(_RUBY_POSSIBLE_EXECUTABLE_NAMES ruby)
65 # if 1.9 is required, don't look for ruby18 and ruby1.8, default to version 1.8
66 IF(Ruby_FIND_VERSION_MAJOR AND Ruby_FIND_VERSION_MINOR)
67 SET(Ruby_FIND_VERSION_SHORT_NODOT "${Ruby_FIND_VERSION_MAJOR}${RUBY_FIND_VERSION_MINOR}")
68 ELSE(Ruby_FIND_VERSION_MAJOR AND Ruby_FIND_VERSION_MINOR)
69 SET(Ruby_FIND_VERSION_SHORT_NODOT "18")
70 ENDIF(Ruby_FIND_VERSION_MAJOR AND Ruby_FIND_VERSION_MINOR)
72 SET(_RUBY_POSSIBLE_EXECUTABLE_NAMES ${_RUBY_POSSIBLE_EXECUTABLE_NAMES} ruby1.9 ruby19)
74 # if we want a version below 1.9, also look for ruby 1.8
75 IF("${Ruby_FIND_VERSION_SHORT_NODOT}" VERSION_LESS "19")
76 SET(_RUBY_POSSIBLE_EXECUTABLE_NAMES ${_RUBY_POSSIBLE_EXECUTABLE_NAMES} ruby1.8 ruby18)
77 ENDIF("${Ruby_FIND_VERSION_SHORT_NODOT}" VERSION_LESS "19")
79 FIND_PROGRAM(RUBY_EXECUTABLE NAMES ${_RUBY_POSSIBLE_EXECUTABLE_NAMES})
82 IF(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
83 FUNCTION(_RUBY_CONFIG_VAR RBVAR OUTVAR)
84 EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -r rbconfig -e "print RbConfig::CONFIG['${RBVAR}']"
85 RESULT_VARIABLE _RUBY_SUCCESS
86 OUTPUT_VARIABLE _RUBY_OUTPUT
88 IF(_RUBY_SUCCESS OR NOT _RUBY_OUTPUT)
89 EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -r rbconfig -e "print Config::CONFIG['${RBVAR}']"
90 RESULT_VARIABLE _RUBY_SUCCESS
91 OUTPUT_VARIABLE _RUBY_OUTPUT
93 ENDIF(_RUBY_SUCCESS OR NOT _RUBY_OUTPUT)
94 SET(${OUTVAR} "${_RUBY_OUTPUT}" PARENT_SCOPE)
95 ENDFUNCTION(_RUBY_CONFIG_VAR)
98 # query the ruby version
99 _RUBY_CONFIG_VAR("MAJOR" RUBY_VERSION_MAJOR)
100 _RUBY_CONFIG_VAR("MINOR" RUBY_VERSION_MINOR)
101 _RUBY_CONFIG_VAR("TEENY" RUBY_VERSION_PATCH)
103 # query the different directories
104 _RUBY_CONFIG_VAR("archdir" RUBY_ARCH_DIR)
105 _RUBY_CONFIG_VAR("arch" RUBY_ARCH)
106 _RUBY_CONFIG_VAR("rubyhdrdir" RUBY_HDR_DIR)
107 _RUBY_CONFIG_VAR("libdir" RUBY_POSSIBLE_LIB_DIR)
108 _RUBY_CONFIG_VAR("rubylibdir" RUBY_RUBY_LIB_DIR)
111 _RUBY_CONFIG_VAR("sitearchdir" RUBY_SITEARCH_DIR)
112 _RUBY_CONFIG_VAR("sitelibdir" RUBY_SITELIB_DIR)
114 # vendor_ruby available ?
115 EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -r rbconfig -e "print 'true' unless Config::CONFIG['vendorarchdir'].nil?"
116 OUTPUT_VARIABLE RUBY_HAS_VENDOR_RUBY ERROR_QUIET)
118 IF(RUBY_HAS_VENDOR_RUBY)
119 _RUBY_CONFIG_VAR("vendorlibdir" RUBY_VENDORLIB_DIR)
120 _RUBY_CONFIG_VAR("vendorarchdir" RUBY_VENDORARCH_DIR)
121 ENDIF(RUBY_HAS_VENDOR_RUBY)
123 # save the results in the cache so we don't have to run ruby the next time again
124 SET(RUBY_VERSION_MAJOR ${RUBY_VERSION_MAJOR} CACHE PATH "The Ruby major version" FORCE)
125 SET(RUBY_VERSION_MINOR ${RUBY_VERSION_MINOR} CACHE PATH "The Ruby minor version" FORCE)
126 SET(RUBY_VERSION_PATCH ${RUBY_VERSION_PATCH} CACHE PATH "The Ruby patch version" FORCE)
127 SET(RUBY_ARCH_DIR ${RUBY_ARCH_DIR} CACHE PATH "The Ruby arch dir" FORCE)
128 SET(RUBY_HDR_DIR ${RUBY_HDR_DIR} CACHE PATH "The Ruby header dir (1.9)" FORCE)
129 SET(RUBY_POSSIBLE_LIB_DIR ${RUBY_POSSIBLE_LIB_DIR} CACHE PATH "The Ruby lib dir" FORCE)
130 SET(RUBY_RUBY_LIB_DIR ${RUBY_RUBY_LIB_DIR} CACHE PATH "The Ruby ruby-lib dir" FORCE)
131 SET(RUBY_SITEARCH_DIR ${RUBY_SITEARCH_DIR} CACHE PATH "The Ruby site arch dir" FORCE)
132 SET(RUBY_SITELIB_DIR ${RUBY_SITELIB_DIR} CACHE PATH "The Ruby site lib dir" FORCE)
133 SET(RUBY_HAS_VENDOR_RUBY ${RUBY_HAS_VENDOR_RUBY} CACHE BOOL "Vendor Ruby is available" FORCE)
134 SET(RUBY_VENDORARCH_DIR ${RUBY_VENDORARCH_DIR} CACHE PATH "The Ruby vendor arch dir" FORCE)
135 SET(RUBY_VENDORLIB_DIR ${RUBY_VENDORLIB_DIR} CACHE PATH "The Ruby vendor lib dir" FORCE)
141 RUBY_POSSIBLE_LIB_DIR
152 ENDIF(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
154 # In case RUBY_EXECUTABLE could not be executed (e.g. cross compiling)
155 # try to detect which version we found. This is not too good.
156 IF(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
157 # by default assume 1.8.0
158 SET(RUBY_VERSION_MAJOR 1)
159 SET(RUBY_VERSION_MINOR 8)
160 SET(RUBY_VERSION_PATCH 0)
161 # check whether we found 1.9.x
162 IF(${RUBY_EXECUTABLE} MATCHES "ruby1.?9" OR RUBY_HDR_DIR)
163 SET(RUBY_VERSION_MAJOR 1)
164 SET(RUBY_VERSION_MINOR 9)
165 ENDIF(${RUBY_EXECUTABLE} MATCHES "ruby1.?9" OR RUBY_HDR_DIR)
166 ENDIF(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
168 IF(RUBY_VERSION_MAJOR)
169 SET(RUBY_VERSION "${RUBY_VERSION_MAJOR}.${RUBY_VERSION_MINOR}.${RUBY_VERSION_PATCH}")
170 SET(_RUBY_VERSION_SHORT "${RUBY_VERSION_MAJOR}.${RUBY_VERSION_MINOR}")
171 SET(_RUBY_VERSION_SHORT_NODOT "${RUBY_VERSION_MAJOR}${RUBY_VERSION_MINOR}")
172 SET(_RUBY_NODOT_VERSION "${RUBY_VERSION_MAJOR}${RUBY_VERSION_MINOR}${RUBY_VERSION_PATCH}")
173 ENDIF(RUBY_VERSION_MAJOR)
175 FIND_PATH(RUBY_INCLUDE_DIR
180 /usr/lib/ruby/${_RUBY_VERSION_SHORT}/i586-linux-gnu/ )
182 SET(RUBY_INCLUDE_DIRS ${RUBY_INCLUDE_DIR} )
184 # if ruby > 1.8 is required or if ruby > 1.8 was found, search for the config.h dir
185 IF( "${Ruby_FIND_VERSION_SHORT_NODOT}" GREATER 18 OR "${_RUBY_VERSION_SHORT_NODOT}" GREATER 18 OR RUBY_HDR_DIR)
186 FIND_PATH(RUBY_CONFIG_INCLUDE_DIR
187 NAMES ruby/config.h config.h
189 ${RUBY_HDR_DIR}/${RUBY_ARCH}
193 SET(RUBY_INCLUDE_DIRS ${RUBY_INCLUDE_DIRS} ${RUBY_CONFIG_INCLUDE_DIR} )
194 ENDIF( "${Ruby_FIND_VERSION_SHORT_NODOT}" GREATER 18 OR "${_RUBY_VERSION_SHORT_NODOT}" GREATER 18 OR RUBY_HDR_DIR)
197 # Determine the list of possible names for the ruby library
198 SET(_RUBY_POSSIBLE_LIB_NAMES ruby ruby-static ruby${_RUBY_VERSION_SHORT} ruby${_RUBY_VERSION_SHORT_NODOT} ruby-${_RUBY_VERSION_SHORT} ruby-${RUBY_VERSION})
201 SET( _RUBY_MSVC_RUNTIME "" )
203 SET( _RUBY_MSVC_RUNTIME "60" )
206 SET( _RUBY_MSVC_RUNTIME "70" )
209 SET( _RUBY_MSVC_RUNTIME "71" )
212 SET( _RUBY_MSVC_RUNTIME "80" )
215 SET( _RUBY_MSVC_RUNTIME "90" )
218 LIST(APPEND _RUBY_POSSIBLE_LIB_NAMES
219 "msvcr${_RUBY_MSVC_RUNTIME}-ruby${_RUBY_NODOT_VERSION}"
220 "msvcr${_RUBY_MSVC_RUNTIME}-ruby${_RUBY_NODOT_VERSION}-static"
221 "msvcrt-ruby${_RUBY_NODOT_VERSION}"
222 "msvcrt-ruby${_RUBY_NODOT_VERSION}-static" )
225 FIND_LIBRARY(RUBY_LIBRARY NAMES ${_RUBY_POSSIBLE_LIB_NAMES} HINTS ${RUBY_POSSIBLE_LIB_DIR} )
227 INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
228 SET(_RUBY_REQUIRED_VARS RUBY_EXECUTABLE RUBY_INCLUDE_DIR RUBY_LIBRARY)
229 IF(_RUBY_VERSION_SHORT_NODOT GREATER 18)
230 LIST(APPEND _RUBY_REQUIRED_VARS RUBY_CONFIG_INCLUDE_DIR)
231 ENDIF(_RUBY_VERSION_SHORT_NODOT GREATER 18)
233 IF(_RUBY_DEBUG_OUTPUT)
234 MESSAGE(STATUS "--------FindRuby.cmake debug------------")
235 MESSAGE(STATUS "_RUBY_POSSIBLE_EXECUTABLE_NAMES: ${_RUBY_POSSIBLE_EXECUTABLE_NAMES}")
236 MESSAGE(STATUS "_RUBY_POSSIBLE_LIB_NAMES: ${_RUBY_POSSIBLE_LIB_NAMES}")
237 MESSAGE(STATUS "RUBY_ARCH_DIR: ${RUBY_ARCH_DIR}")
238 MESSAGE(STATUS "RUBY_HDR_DIR: ${RUBY_HDR_DIR}")
239 MESSAGE(STATUS "RUBY_POSSIBLE_LIB_DIR: ${RUBY_POSSIBLE_LIB_DIR}")
240 MESSAGE(STATUS "Found RUBY_VERSION: \"${RUBY_VERSION}\" , short: \"${_RUBY_VERSION_SHORT}\", nodot: \"${_RUBY_VERSION_SHORT_NODOT}\"")
241 MESSAGE(STATUS "_RUBY_REQUIRED_VARS: ${_RUBY_REQUIRED_VARS}")
242 MESSAGE(STATUS "RUBY_EXECUTABLE: ${RUBY_EXECUTABLE}")
243 MESSAGE(STATUS "RUBY_LIBRARY: ${RUBY_LIBRARY}")
244 MESSAGE(STATUS "RUBY_INCLUDE_DIR: ${RUBY_INCLUDE_DIR}")
245 MESSAGE(STATUS "RUBY_CONFIG_INCLUDE_DIR: ${RUBY_CONFIG_INCLUDE_DIR}")
246 MESSAGE(STATUS "--------------------")
247 ENDIF(_RUBY_DEBUG_OUTPUT)
249 FIND_PACKAGE_HANDLE_STANDARD_ARGS(Ruby REQUIRED_VARS ${_RUBY_REQUIRED_VARS}
250 VERSION_VAR RUBY_VERSION )
256 RUBY_CONFIG_INCLUDE_DIR
259 # Set some variables for compatibility with previous version of this file
260 SET(RUBY_POSSIBLE_LIB_PATH ${RUBY_POSSIBLE_LIB_DIR})
261 SET(RUBY_RUBY_LIB_PATH ${RUBY_RUBY_LIB_DIR})
262 SET(RUBY_INCLUDE_PATH ${RUBY_INCLUDE_DIRS})