blob: 3e543bdc44ccdb69beaa6938a1c0564fac355d82 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
# - FindOptionalPackage
# Enable or disable optional packages. Also force optional packages.
#
# This module defines the following macros:
# find_required_package : find a required package, can not be disabled
# find_suggested_package : find a suggested package - required but can be disabled
# find_optional_package : find an optional package - required only if enabled
#
#=============================================================================
# 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_required_package _normal_package)
find_package(${_normal_package} REQUIRED)
endmacro(find_required_package)
macro(find_suggested_package _normal_package)
string(TOUPPER ${_normal_package} _upper_package)
option(WITH_${_upper_package} "Add dependency to ${_normal_package} - recommended" ON)
if(WITH_${_upper_package})
message(STATUS "Finding suggested package ${_normal_package}.")
message(STATUS " Disable this using \"-DWITH_${_upper_package}=OFF\".")
find_package(${_normal_package} REQUIRED)
endif(WITH_${_upper_package})
endmacro(find_suggested_package)
macro(find_optional_package _normal_package)
string(TOUPPER ${_normal_package} _upper_package)
option(WITH_${_upper_package} "Add dependency to ${_normal_package}" OFF)
if(WITH_${_upper_package})
find_package(${_normal_package} REQUIRED)
else(WITH_${_upper_package})
message(STATUS "Skipping optional package ${_normal_package}.")
message(STATUS " Enable this using \"-DWITH_${_upper_package}=ON\".")
endif(WITH_${_upper_package})
endmacro(find_optional_package)
|
