73 lines
1.9 KiB
CMake
73 lines
1.9 KiB
CMake
# Once done these will be defined:
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#
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# JANSSON_FOUND
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# JANSSON_INCLUDE_DIRS
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# JANSSON_LIBRARIES
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# JANSSON_VERSION
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find_package(PkgConfig QUIET)
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if (PKG_CONFIG_FOUND)
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pkg_check_modules(_JANSSON QUIET jansson)
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endif()
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if(CMAKE_SIZEOF_VOID_P EQUAL 8)
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set(_lib_suffix 64)
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else()
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set(_lib_suffix 32)
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endif()
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find_path(Jansson_INCLUDE_DIR
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NAMES jansson.h
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HINTS
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ENV JanssonPath${_lib_suffix}
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ENV JanssonPath
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${_JANSSON_INCLUDE_DIRS}
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PATHS
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/usr/include /usr/local/include /opt/local/include /sw/include)
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find_library(Jansson_LIB
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NAMES ${_JANSSON_LIBRARIES} jansson libjansson
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HINTS
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ENV JanssonPath${_lib_suffix}
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ENV JanssonPath
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${_JANSSON_LIBRARY_DIRS}
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PATHS
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/usr/lib /usr/local/lib /opt/local/lib /sw/lib
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PATH_SUFFIXES
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lib${_lib_suffix} lib
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libs${_lib_suffix} libs
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bin${_lib_suffix} bin
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../lib${_lib_suffix} ../lib
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../libs${_lib_suffix} ../libs
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../bin${_lib_suffix} ../bin)
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if(JANSSON_VERSION)
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set(_JANSSON_VERSION_STRING "${JANSSON_VERSION}")
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elseif(_JANSSON_FOUND AND _JANSSON_VERSION)
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set(_JANSSON_VERSION_STRING "${_JANSSON_VERSION}")
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elseif(EXISTS "${Jansson_INCLUDE_DIR}/jansson.h")
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file(STRINGS "${Jansson_INCLUDE_DIR}/jansson.h" _jansson_version_parse
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REGEX "#define[ \t]+JANSSON_VERSION[ \t]+.+")
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string(REGEX REPLACE
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".*#define[ \t]+JANSSON_VERSION[ \t]+\"(.+)\".*" "\\1"
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_JANSSON_VERSION_STRING "${_jansson_version_parse}")
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else()
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if(NOT Jansson_FIND_QUIETLY)
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message(WARNING "Failed to find Jansson version")
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endif()
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set(_JANSSON_VERSION_STRING "unknown")
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Jansson
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FOUND_VAR JANSSON_FOUND
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REQUIRED_VARS Jansson_LIB Jansson_INCLUDE_DIR
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VERSION_VAR _JANSSON_VERSION_STRING)
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mark_as_advanced(Jansson_INCLUDE_DIR Jansson_LIB)
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if(JANSSON_FOUND)
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set(JANSSON_INCLUDE_DIRS ${Jansson_INCLUDE_DIR})
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set(JANSSON_LIBRARIES ${Jansson_LIB})
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set(JANSSON_VERSION ${_JANSSON_VERSION_STRING})
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endif()
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