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Merge topic 'FindRuby-comments'

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21a5ca5fc2 FindRuby: Update comments

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !10280
This commit is contained in:
Brad King
2025-02-04 13:57:50 +00:00
committed by Kitware Robot
parent 038c4ac93a 21a5ca5fc2
commit b0849dfa4f
1 changed files with 17 additions and 19 deletions
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36
Modules/FindRuby.cmake
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@@ -105,30 +105,20 @@ if(NOT _Ruby_CMP0185 STREQUAL "NEW")
endforeach ()
endif()
# Ruby_ARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"archdir"@:>@)'`
# Ruby_SITEARCHDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitearchdir"@:>@)'`
# Ruby_SITEDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"sitelibdir"@:>@)'`
# Ruby_LIBDIR=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"libdir"@:>@)'`
# Ruby_LIBRUBYARG=`$RUBY -r rbconfig -e 'printf("%s",Config::CONFIG@<:@"LIBRUBYARG_SHARED"@:>@)'`
# uncomment the following line to get debug output for this file
# Uncomment the following line to get debug output for this file
# set(CMAKE_MESSAGE_LOG_LEVEL DEBUG)
# Determine the list of possible names of the ruby executable depending
# on which version of ruby is required
set(_Ruby_POSSIBLE_EXECUTABLE_NAMES ruby)
# Set name of possible executables, ignoring the minor
# Eg:
# 3.2.6 => from ruby34 to ruby32 included
# 3.2 => from ruby34 to ruby32 included
# 3 => from ruby34 to ruby30 included
# empty => from ruby34 to ruby18 included
# If the user has not specified a Ruby version, create a list of Ruby versions
# to check going from 1.8 to 3.4
if (NOT Ruby_FIND_VERSION_EXACT)
foreach (_ruby_version RANGE 34 18 -1)
string(SUBSTRING "${_ruby_version}" 0 1 _ruby_major_version)
string(SUBSTRING "${_ruby_version}" 1 1 _ruby_minor_version)
# Append both rubyX.Y and rubyXY (eg: ruby2.7 ruby27)
# Append both rubyX.Y and rubyXY (eg: ruby3.4 ruby34)
list(APPEND _Ruby_POSSIBLE_EXECUTABLE_NAMES ruby${_ruby_major_version}.${_ruby_minor_version} ruby${_ruby_major_version}${_ruby_minor_version})
endforeach ()
endif ()
@@ -142,6 +132,8 @@ elseif (NOT DEFINED Ruby_FIND_VIRTUALENV)
set(Ruby_FIND_VIRTUALENV "FIRST")
endif ()
# Validate the found Ruby interpreter to make sure that it is
# callable and that its version matches the requested version
function(_RUBY_VALIDATE_INTERPRETER result_var path)
# Get the interpreter version
execute_process(COMMAND "${path}" -e "puts RUBY_VERSION"
@@ -172,21 +164,25 @@ function(_RUBY_VALIDATE_INTERPRETER result_var path)
set(${result_var} TRUE PARENT_SCOPE)
endfunction()
# Query Ruby RBConfig module for the specified variable (_RUBY_CONFIG_VAR)
function(_RUBY_CONFIG_VAR RBVAR OUTVAR)
execute_process(COMMAND ${Ruby_EXECUTABLE} -r rbconfig -e "print RbConfig::CONFIG['${RBVAR}']"
RESULT_VARIABLE _Ruby_SUCCESS
OUTPUT_VARIABLE _Ruby_OUTPUT
ERROR_QUIET)
# Config was deprecated in Ruby 1.9 and then removed in Ruby 2 - so this is for ancient code
if (_Ruby_SUCCESS OR _Ruby_OUTPUT STREQUAL "")
execute_process(COMMAND ${Ruby_EXECUTABLE} -r rbconfig -e "print Config::CONFIG['${RBVAR}']"
RESULT_VARIABLE _Ruby_SUCCESS
OUTPUT_VARIABLE _Ruby_OUTPUT
ERROR_QUIET)
endif ()
set(${OUTVAR} "${_Ruby_OUTPUT}" PARENT_SCOPE)
endfunction()
#### Check RVM virtual environment ###
# Check for RVM virtual environments
function(_RUBY_CHECK_RVM)
if (NOT DEFINED ENV{MY_RUBY_HOME})
return()
@@ -208,7 +204,7 @@ function(_RUBY_CHECK_RVM)
endif ()
endfunction()
#### Check RBENV virtual environment ###
# Check for RBENV virtual environments
function(_RUBY_CHECK_RBENV)
find_program(Ruby_RBENV_EXECUTABLE
NAMES rbenv
@@ -242,7 +238,7 @@ function(_RUBY_CHECK_RBENV)
endif ()
endfunction()
#### Check system installed Ruby ###
# Check system installed Ruby
function(_RUBY_CHECK_SYSTEM)
find_program(Ruby_EXECUTABLE
NAMES ${_Ruby_POSSIBLE_EXECUTABLE_NAMES}
@@ -264,11 +260,13 @@ if (NOT Ruby_EXECUTABLE AND Ruby_FIND_VIRTUALENV MATCHES "^(FIRST|ONLY)$")
endif ()
endif ()
# Check for system installed Ruby
# Fallback to system installed Ruby
if (NOT Ruby_EXECUTABLE AND NOT Ruby_FIND_VIRTUALENV STREQUAL "ONLY")
_RUBY_CHECK_SYSTEM()
endif ()
# We found a new Ruby or a Ruby that is different than the last one we found.
# So reload a number of variables by querying the Ruby interpreter.
if (Ruby_EXECUTABLE AND NOT Ruby_EXECUTABLE STREQUAL "${_Ruby_EXECUTABLE_LAST_QUERIED}")
# query the ruby version
_RUBY_CONFIG_VAR("MAJOR" Ruby_VERSION_MAJOR)
@@ -387,7 +385,7 @@ if (Ruby_FIND_VERSION VERSION_GREATER_EQUAL "1.9" OR Ruby_VERSION VERSION_GREATE
set(Ruby_INCLUDE_DIRS ${Ruby_INCLUDE_DIRS} ${Ruby_CONFIG_INCLUDE_DIR})
endif ()
# Determine the list of possible names for the ruby library
# Determine the list of possible names for the Ruby shared library
set(_Ruby_POSSIBLE_LIB_NAMES ruby ruby-static ruby${_Ruby_VERSION_SHORT} ruby${_Ruby_VERSION_SHORT_NODOT} ruby${_Ruby_NODOT_VERSION} ruby-${_Ruby_VERSION_SHORT} ruby-${Ruby_VERSION})
if (WIN32)