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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 04:19:00 +02:00
parent e77da9e2ce
commit cc80517d02
1 changed files with 7 additions and 3 deletions
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10
CMakeLists.txt
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@ -13,7 +13,9 @@
# DO NOT RELY ON THE CONTENTS OF THIS FILE!!!
#
# We support CMake 3.5, but prefer 3.16 policies and behavior
cmake_minimum_required(VERSION 3.5...3.16)
project(boost_config VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
add_library(boost_config INTERFACE)
@ -21,10 +23,12 @@ add_library(Boost::config ALIAS boost_config)
target_include_directories(boost_config INTERFACE include)
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_config HEADER_DIRECTORY include/)
include(BoostInstall)
boost_install(TARGETS boost_config HEADER_DIRECTORY include/)
endif()