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65 lines
2.1 KiB
CMake
65 lines
2.1 KiB
CMake
include(CMakeDependentOption)
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option(WITH_JSON_DISABLED "Build without any JSON support" OFF)
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cmake_dependent_option(
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WITH_CJSON_REQUIRED "Build with cJSON (fail if not found)" OFF "NOT WITH_JSON_DISABLED;NOT WITH_JSONC_REQUIRED" OFF
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)
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cmake_dependent_option(
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WITH_JSONC_REQUIRED "Build with JSON-C (fail if not found)" OFF "NOT WITH_JSON_DISABLED;NOT WITH_CJSON_REQUIRED" OFF
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)
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if(NOT WITH_JSON_DISABLED)
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if(NOT WITH_JSONC_REQUIRED)
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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 NAMES cjson/cJSON.h)
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find_library(CJSON_LIBRARIES NAMES cjson)
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if(NOT "${CJSON_LIBRARIES}" STREQUAL "CJSON_LIBRARIES-NOTFOUND" AND NOT "${CJSON_INCLUDE_DIRS}" STREQUAL
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"CJSON_INCLUDE_DIRS-NOTFOUND"
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)
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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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else()
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unset(CJSON_FOUND)
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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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elseif(NOT WITH_CJSON_REQUIRED)
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find_package(JSONC)
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endif()
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if(WITH_CJSON_REQUIRED)
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unset(JSONC_FOUND)
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endif()
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if(NOT JSONC_FOUND AND NOT CJSON_FOUND)
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if(WITH_CJSON_REQUIRED OR WITH_JSONC_REQUIRED)
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message(FATAL_ERROR "cJSON (${WITH_CJSON_REQUIRED}) or json-c (${WITH_JSONC_REQUIRED}) required but not found")
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endif()
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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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