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weechat/cmake/FindRuby.cmake
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CMake

#
# Copyright (C) 2003-2021 Sébastien Helleu <flashcode@flashtux.org>
#
# This file is part of WeeChat, the extensible chat client.
#
# WeeChat is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# WeeChat is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with WeeChat. If not, see <https://www.gnu.org/licenses/>.
#
# - Find Ruby
# This module finds if Ruby is installed and determines where the include files
# and libraries are. It also determines what the name of the library is. This
# code sets the following variables:
#
# RUBY_INCLUDE_DIRS = C flags to compile with ruby
# RUBY_LIBRARY_DIRS = linker flags to compile with ruby (found with pkg-config)
# RUBY_LIB = ruby library (found without pkg-config)
if(RUBY_FOUND)
# Already in cache, be silent
set(RUBY_FIND_QUIETLY TRUE)
endif()
find_package(PkgConfig)
if(PKG_CONFIG_FOUND)
pkg_search_module(RUBY ruby-3.0 ruby-2.7 ruby-2.6 ruby-2.5 ruby-2.4 ruby-2.3 ruby-2.2 ruby-2.1 ruby-2.0 ruby-1.9)
endif()
if(RUBY_FOUND)
set(RUBY_LIB "")
mark_as_advanced(RUBY_LIB)
endif()