35 lines
1.3 KiB
CMake
35 lines
1.3 KiB
CMake
# - FindOptionalPackage
|
|
# Enable or disable optional packages. Also force optional packages.
|
|
#
|
|
# This module defines the following variables:
|
|
#
|
|
|
|
#=============================================================================
|
|
# Copyright 2011 Nils Andresen <nils@nils-andresen.de>
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
#=============================================================================
|
|
|
|
|
|
macro(find_optional_package _normal_package)
|
|
STRING(TOUPPER ${_normal_package} _upper_package)
|
|
OPTION(WITH_${_upper_package} "Force dependencies to ${_normal_package}" OFF)
|
|
OPTION(WITHOUT_${_upper_package} "Never depend on ${_normal_package}" OFF)
|
|
|
|
if(WITH_${_upper_package})
|
|
find_package(${_normal_package} REQUIRED)
|
|
elseif(NOT WITHOUT_${_upper_package})
|
|
find_package(${_normal_package})
|
|
endif(WITH_${_upper_package})
|
|
endmacro(find_optional_package)
|