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Merge pull request #1330 from ax3l/topic-installEmbed

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CMake: Optional Install if Embedded
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Niels Lohmann 2019-03-13 11:13:09 +01:00 committed by GitHub
commit d39842e68f
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 34 additions and 27 deletions
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57
CMakeLists.txt
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@ -16,6 +16,7 @@ include(ExternalProject)
## OPTIONS ## OPTIONS
## ##
option(JSON_BuildTests "Build the unit tests when BUILD_TESTING is enabled." ON) option(JSON_BuildTests "Build the unit tests when BUILD_TESTING is enabled." ON)
option(JSON_Install "Install CMake targets during install step." ON)
option(JSON_MultipleHeaders "Use non-amalgamated version of the library." OFF) option(JSON_MultipleHeaders "Use non-amalgamated version of the library." OFF)
## ##
@ -96,32 +97,34 @@ configure_file(
@ONLY @ONLY
) )
install( if(JSON_Install)
DIRECTORY ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}
DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
)
install(
FILES ${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE} ${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)
if (NLOHMANN_ADD_NATVIS)
install( install(
FILES ${NLOHMANN_NATVIS_FILE} DIRECTORY ${NLOHMANN_JSON_INCLUDE_BUILD_DIR}
DESTINATION . DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
) )
install(
FILES ${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE} ${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE}
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)
if (NLOHMANN_ADD_NATVIS)
install(
FILES ${NLOHMANN_NATVIS_FILE}
DESTINATION .
)
endif()
export(
TARGETS ${NLOHMANN_JSON_TARGET_NAME}
NAMESPACE ${PROJECT_NAME}::
FILE ${NLOHMANN_JSON_CMAKE_PROJECT_TARGETS_FILE}
)
install(
TARGETS ${NLOHMANN_JSON_TARGET_NAME}
EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
INCLUDES DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
)
install(
EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
NAMESPACE ${PROJECT_NAME}::
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)
endif() endif()
export(
TARGETS ${NLOHMANN_JSON_TARGET_NAME}
NAMESPACE ${PROJECT_NAME}::
FILE ${NLOHMANN_JSON_CMAKE_PROJECT_TARGETS_FILE}
)
install(
TARGETS ${NLOHMANN_JSON_TARGET_NAME}
EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
INCLUDES DESTINATION ${NLOHMANN_JSON_INCLUDE_INSTALL_DIR}
)
install(
EXPORT ${NLOHMANN_JSON_TARGETS_EXPORT_NAME}
NAMESPACE ${PROJECT_NAME}::
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)

4
README.md
View file

@ -100,6 +100,10 @@ To embed the library directly into an existing CMake project, place the entire s
# run from your own project's code. # run from your own project's code.
set(JSON_BuildTests OFF CACHE INTERNAL "") set(JSON_BuildTests OFF CACHE INTERNAL "")
# If you only include this third party in PRIVATE source files, you do not
# need to install it when your main project gets installed.
# set(JSON_Install OFF CACHE INTERNAL "")
# Don't use include(nlohmann_json/CMakeLists.txt) since that carries with it # Don't use include(nlohmann_json/CMakeLists.txt) since that carries with it
# unintended consequences that will break the build. It's generally # unintended consequences that will break the build. It's generally
# discouraged (although not necessarily well documented as such) to use # discouraged (although not necessarily well documented as such) to use