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🔧 Allow superproject to provide dependencies with add_subdirectory() #14

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Mar 17, 2024
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19 changes: 13 additions & 6 deletions CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -33,12 +33,19 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
endif()

# dependencies
find_package(yyjson CONFIG REQUIRED)
target_link_libraries(${PROJECT_NAME} INTERFACE yyjson::yyjson)
find_package(fmt 10.0.0 CONFIG REQUIRED)
target_link_libraries(${PROJECT_NAME} INTERFACE fmt::fmt-header-only)
find_package(nameof CONFIG REQUIRED)
target_link_libraries(${PROJECT_NAME} INTERFACE nameof::nameof)
function(find_and_link package_name qualified_name)
cmake_parse_arguments(FIND_AND_LINK "" "VERSION" "" ${ARGN})
if(NOT TARGET ${package_name} OR CPPYYJSON_IS_TOPLEVEL_PROJECT)
find_package(${package_name} ${FIND_AND_LINK_VERSION} CONFIG REQUIRED)
target_link_libraries(${PROJECT_NAME} INTERFACE ${qualified_name})
else()
target_link_libraries(${PROJECT_NAME} INTERFACE ${package_name})
endif()
endfunction()

find_and_link(yyjson yyjson::yyjson)
find_and_link(fmt fmt::fmt-header-only VERSION 10.0.0)
find_and_link(nameof nameof::nameof VERSION 0.10.0)

# install
if(CPPYYJSON_IS_TOPLEVEL_PROJECT)
Expand Down