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Disable installation without the superproject; add comments

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This commit is contained in:
Peter Dimov
2019-12-27 04:27:59 +02:00
parent b0f9c6cda1
commit 4e6975503f
1 changed files with 11 additions and 7 deletions
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18
CMakeLists.txt
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@ -3,8 +3,10 @@
# Distributed under the Boost Software License, Version 1.0.
# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
# We support CMake 3.5, but prefer 3.16 policies and behavior
cmake_minimum_required(VERSION 3.5...3.16)
project(BoostTypeTraits VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
project(boost_type_traits VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
add_library(boost_type_traits INTERFACE)
add_library(Boost::type_traits ALIAS boost_type_traits)
@ -12,15 +14,17 @@ add_library(Boost::type_traits ALIAS boost_type_traits)
target_include_directories(boost_type_traits INTERFACE include)
target_link_libraries(boost_type_traits
INTERFACE
Boost::config
Boost::static_assert
INTERFACE
Boost::config
Boost::static_assert
)
include(BoostInstall OPTIONAL RESULT_VARIABLE HAVE_BOOST_INSTALL)
# boost_install requires PROJECT_VERSION
# Without the superproject, we don't have any, so skip installation
if(HAVE_BOOST_INSTALL)
if(BOOST_SUPERPROJECT_VERSION)
boost_install(TARGETS boost_type_traits HEADER_DIRECTORY include/)
include(BoostInstall)
boost_install(TARGETS boost_type_traits HEADER_DIRECTORY include/)
endif()