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externals: allow users to use system JSON headers (nlohmann-json3) (#7042)

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Castor215 2023-10-04 22:32:43 +01:00 • committed by GitHub
parent 72ff0c5337
commit 483e877001
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2 changed files with 11 additions and 1 deletions
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11
externals/CMakeLists.txt vendored
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@ -175,7 +175,16 @@ endif()
# JSON
add_library(json-headers INTERFACE)
target_include_directories(json-headers INTERFACE ./json)
if (USE_SYSTEM_JSON)
find_package(nlohmann_json REQUIRED)
target_link_libraries(json-headers INTERFACE nlohmann_json::nlohmann_json)
get_target_property(NLOHMANN_PREFIX nlohmann_json::nlohmann_json INTERFACE_INCLUDE_DIRECTORIES)
# The nlohmann-json3 package expects "#include <nlohmann/json.hpp>"
# Citra uses "#include <json.hpp>" so we have to add this manually
target_include_directories(json-headers SYSTEM INTERFACE "${NLOHMANN_PREFIX}/nlohmann")
else()
target_include_directories(json-headers SYSTEM INTERFACE ./json)
endif()
# OpenSSL
if (USE_SYSTEM_OPENSSL)