#=============================================================================
# Copyright (c) 2019 Harald Sitter <sitter@kde.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=============================================================================

# In this scope it's the dir we are in, in the function scope it will be the
# caller's dir. So, keep our dir in a var.
set(FINDGEM_MODULES_DIR ${CMAKE_CURRENT_LIST_DIR})

function(find_gem GEM_NAME)
    set(GEM_PACKAGE "Gem:${GEM_NAME}")

    configure_file(${FINDGEM_MODULES_DIR}/FindGem.cmake.in Find${GEM_PACKAGE}.cmake @ONLY)

    set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_BINARY_DIR}" ${CMAKE_MODULE_PATH})
    find_package(${GEM_PACKAGE} ${ARGN})
endfunction()