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FindRuby: Add support for Ruby 2.0 and 2.1 

The most significant change since Ruby 1.9 is the changed path of
config.h, from RbConfig::CONFIG['rubyhdrdir'] to
RbConfig::CONFIG['rubyarchhdrdir'].
This commit is contained in:
Bas Couwenberg 2014-02-28 14:12:18 +01:00 committed by Brad King
parent db68dd2454
commit 165f6430d9
1 changed files with 20 additions and 4 deletions
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24
Modules/FindRuby.cmake
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@ -5,7 +5,8 @@
# Find Ruby
#
# This module finds if Ruby is installed and determines where the
# include files and libraries are. Ruby 1.8 and 1.9 are supported.
# include files and libraries are. Ruby 1.8, 1.9, 2.0 and 2.1 are
# supported.
#
# The minimum required version of Ruby can be specified using the
# standard syntax, e.g. find_package(Ruby 1.8)
@ -67,6 +68,8 @@ else()
endif()
if(NOT Ruby_FIND_VERSION_EXACT)
list(APPEND _RUBY_POSSIBLE_EXECUTABLE_NAMES ruby2.1 ruby21)
list(APPEND _RUBY_POSSIBLE_EXECUTABLE_NAMES ruby2.0 ruby20)
list(APPEND _RUBY_POSSIBLE_EXECUTABLE_NAMES ruby1.9 ruby19)
# if we want a version below 1.9, also look for ruby 1.8
@ -79,7 +82,6 @@ endif()
find_program(RUBY_EXECUTABLE NAMES ${_RUBY_POSSIBLE_EXECUTABLE_NAMES})
if(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
function(_RUBY_CONFIG_VAR RBVAR OUTVAR)
execute_process(COMMAND ${RUBY_EXECUTABLE} -r rbconfig -e "print RbConfig::CONFIG['${RBVAR}']"
@ -105,6 +107,7 @@ if(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
_RUBY_CONFIG_VAR("archdir" RUBY_ARCH_DIR)
_RUBY_CONFIG_VAR("arch" RUBY_ARCH)
_RUBY_CONFIG_VAR("rubyhdrdir" RUBY_HDR_DIR)
_RUBY_CONFIG_VAR("rubyarchhdrdir" RUBY_ARCHHDR_DIR)
_RUBY_CONFIG_VAR("libdir" RUBY_POSSIBLE_LIB_DIR)
_RUBY_CONFIG_VAR("rubylibdir" RUBY_RUBY_LIB_DIR)
@ -126,7 +129,8 @@ if(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
set(RUBY_VERSION_MINOR ${RUBY_VERSION_MINOR} CACHE PATH "The Ruby minor version" FORCE)
set(RUBY_VERSION_PATCH ${RUBY_VERSION_PATCH} CACHE PATH "The Ruby patch version" FORCE)
set(RUBY_ARCH_DIR ${RUBY_ARCH_DIR} CACHE PATH "The Ruby arch dir" FORCE)
set(RUBY_HDR_DIR ${RUBY_HDR_DIR} CACHE PATH "The Ruby header dir (1.9)" FORCE)
set(RUBY_HDR_DIR ${RUBY_HDR_DIR} CACHE PATH "The Ruby header dir (1.9+)" FORCE)
set(RUBY_ARCHHDR_DIR ${RUBY_ARCHHDR_DIR} CACHE PATH "The Ruby arch header dir (2.0+)" FORCE)
set(RUBY_POSSIBLE_LIB_DIR ${RUBY_POSSIBLE_LIB_DIR} CACHE PATH "The Ruby lib dir" FORCE)
set(RUBY_RUBY_LIB_DIR ${RUBY_RUBY_LIB_DIR} CACHE PATH "The Ruby ruby-lib dir" FORCE)
set(RUBY_SITEARCH_DIR ${RUBY_SITEARCH_DIR} CACHE PATH "The Ruby site arch dir" FORCE)
@ -139,6 +143,7 @@ if(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
RUBY_ARCH_DIR
RUBY_ARCH
RUBY_HDR_DIR
RUBY_ARCHHDR_DIR
RUBY_POSSIBLE_LIB_DIR
RUBY_RUBY_LIB_DIR
RUBY_SITEARCH_DIR
@ -160,10 +165,20 @@ if(RUBY_EXECUTABLE AND NOT RUBY_VERSION_MAJOR)
set(RUBY_VERSION_MINOR 8)
set(RUBY_VERSION_PATCH 0)
# check whether we found 1.9.x
if(${RUBY_EXECUTABLE} MATCHES "ruby1.?9" OR RUBY_HDR_DIR)
if(${RUBY_EXECUTABLE} MATCHES "ruby1.?9")
set(RUBY_VERSION_MAJOR 1)
set(RUBY_VERSION_MINOR 9)
endif()
# check whether we found 2.0.x
if(${RUBY_EXECUTABLE} MATCHES "ruby2.?0")
set(RUBY_VERSION_MAJOR 2)
set(RUBY_VERSION_MINOR 0)
endif()
# check whether we found 2.1.x
if(${RUBY_EXECUTABLE} MATCHES "ruby2.?1")
set(RUBY_VERSION_MAJOR 2)
set(RUBY_VERSION_MINOR 1)
endif()
endif()
if(RUBY_VERSION_MAJOR)
@ -189,6 +204,7 @@ if( "${Ruby_FIND_VERSION_SHORT_NODOT}" GREATER 18 OR "${_RUBY_VERSION_SHORT_NO
HINTS
${RUBY_HDR_DIR}/${RUBY_ARCH}
${RUBY_ARCH_DIR}
${RUBY_ARCHHDR_DIR}
)
set(RUBY_INCLUDE_DIRS ${RUBY_INCLUDE_DIRS} ${RUBY_CONFIG_INCLUDE_DIR} )