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cmake: fix package config to deal with versioning and namespaces

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This commit is contained in:
Chuck Atkins 2018-09-26 13:08:49 -04:00
parent e184b6ecf2
commit 1729db85c1
2 changed files with 12 additions and 7 deletions
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5
CMakeLists.txt
View File

@ -86,10 +86,10 @@ include(CMakePackageConfigHelpers)
write_basic_package_version_file(
${NLOHMANN_JSON_CMAKE_VERSION_CONFIG_FILE} COMPATIBILITY SameMajorVersion
)
configure_package_config_file(
configure_file(
${NLOHMANN_JSON_CMAKE_CONFIG_TEMPLATE}
${NLOHMANN_JSON_CMAKE_PROJECT_CONFIG_FILE}
INSTALL_DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
@ONLY
)
install(
@ -121,4 +121,3 @@ install(
NAMESPACE ${PROJECT_NAME}::
DESTINATION ${NLOHMANN_JSON_CONFIG_INSTALL_DIR}
)
export(PACKAGE ${PROJECT_NAME})

14
cmake/config.cmake.in
View File

@ -1,9 +1,15 @@
@PACKAGE_INIT@
include(FindPackageHandleStandardArgs)
set(${CMAKE_FIND_PACKAGE_NAME}_CONFIG ${CMAKE_CURRENT_LIST_FILE})
find_package_handle_standard_args(@PROJECT_NAME@ CONFIG_MODE)
if(NOT TARGET @PROJECT_NAME@::@NLOHMANN_JSON_TARGET_NAME@)
include("${CMAKE_CURRENT_LIST_DIR}/@NLOHMANN_JSON_TARGETS_EXPORT_NAME@.cmake")
if((NOT TARGET @NLOHMANN_JSON_TARGET_NAME@) AND
(PACKAGE_FIND_VERSION VERSION_LESS 3.2.0))
add_library(@NLOHMANN_JSON_TARGET_NAME@ ALIAS @PROJECT_NAME@::@NLOHMANN_JSON_TARGET_NAME@)
(NOT @PROJECT_NAME@_FIND_VERSION OR
@PROJECT_NAME@_FIND_VERSION VERSION_LESS 3.2.0))
add_library(@NLOHMANN_JSON_TARGET_NAME@ INTERFACE IMPORTED)
set_target_properties(@NLOHMANN_JSON_TARGET_NAME@ PROPERTIES
INTERFACE_LINK_LIBRARIES @PROJECT_NAME@::@NLOHMANN_JSON_TARGET_NAME@
)
endif()
endif()
check_required_components("@PROJECT_NAME@")