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https://github.com/morgan9e/FreeRDP
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4b3ecfac47
* pkg-config sets CJSON_FOUND, check for that instead of the paths, which might be unset or set to <var>-NOTFOUND * move detection to own file. find_package targets are meant to be used in same directory or below, but we define the WinPR target one above, so include it in parent
50 lines
1.5 KiB
CMake
50 lines
1.5 KiB
CMake
option(WITH_JSON_DISABLED "Build without any JSON support" OFF)
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CMAKE_DEPENDENT_OPTION(WITH_CJSON_REQUIRED "Build with cJSON (fail if not found)" OFF "NOT WITH_JSON_DISABLED" OFF)
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CMAKE_DEPENDENT_OPTION(WITH_JSONC_REQUIRED "Build with JSON-C (fail if not found)" OFF "NOT WITH_JSON_DISABLED" OFF)
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if (NOT WITH_JSON_DISABLED)
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find_package(cJSON)
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# Fallback detection:
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# older ubuntu releases did not ship CMake or pkg-config files
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# for cJSON. Be optimistic and try pkg-config and as last resort
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# try manual detection
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if (NOT CJSON_FOUND)
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find_package(PkgConfig)
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if (PKG_CONFIG_FOUND)
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pkg_check_modules(CJSON libcjson)
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endif()
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if (NOT CJSON_FOUND)
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find_path(CJSON_INCLUDE_DIRS
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NAMES cjson/cJSON.h
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)
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find_library(CJSON_LIBRARIES
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NAMES cjson
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)
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if (NOT "${CJSON_LIBRARIES}" EQUAL "CJSON_LIBRARIES-NOTFOUND" AND NOT "${CJSON_INCLUDE_DIRS}" EQUAL "CJSON_INCLUDE_DIRS-NOTFOUND")
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set(CJSON_FOUND ON)
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endif()
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endif()
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endif()
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if (WITH_CJSON_REQUIRED)
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if (NOT CJSON_FOUND)
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message(FATAL_ERROR "cJSON was requested but not found")
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endif()
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endif()
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if (WITH_JSONC_REQUIRED)
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find_package(JSONC REQUIRED)
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else()
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find_package(JSONC)
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endif()
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if (NOT JSONC_FOUND AND NOT CJSON_FOUND)
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set(WITH_WINPR_JSON OFF CACHE INTERNAL "internal")
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message("compiling without JSON support. Install cJSON or json-c to enable")
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endif()
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else()
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set(WITH_WINPR_JSON OFF CACHE INTERNAL "internal")
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message("forced compile without JSON support. Set -DWITH_JSON_DISABLED=OFF to enable compile time detection")
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endif()
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