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Diffstat (limited to 'Source/Modules/FindJsonCpp.cmake')
-rw-r--r-- | Source/Modules/FindJsonCpp.cmake | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/Source/Modules/FindJsonCpp.cmake b/Source/Modules/FindJsonCpp.cmake new file mode 100644 index 0000000..1951b61 --- /dev/null +++ b/Source/Modules/FindJsonCpp.cmake @@ -0,0 +1,107 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindJsonCpp +----------- + +Find JsonCpp includes and library. + +Imported Targets +^^^^^^^^^^^^^^^^ + +An :ref:`imported target <Imported targets>` named +``JsonCpp::JsonCpp`` is provided if JsonCpp has been found. + +Result Variables +^^^^^^^^^^^^^^^^ + +This module defines the following variables: + +``JsonCpp_FOUND`` + True if JsonCpp was found, false otherwise. +``JsonCpp_INCLUDE_DIRS`` + Include directories needed to include JsonCpp headers. +``JsonCpp_LIBRARIES`` + Libraries needed to link to JsonCpp. +``JsonCpp_VERSION_STRING`` + The version of JsonCpp found. + May not be set for JsonCpp versions prior to 1.0. +``JsonCpp_VERSION_MAJOR`` + The major version of JsonCpp. +``JsonCpp_VERSION_MINOR`` + The minor version of JsonCpp. +``JsonCpp_VERSION_PATCH`` + The patch version of JsonCpp. + +Cache Variables +^^^^^^^^^^^^^^^ + +This module uses the following cache variables: + +``JsonCpp_LIBRARY`` + The location of the JsonCpp library file. +``JsonCpp_INCLUDE_DIR`` + The location of the JsonCpp include directory containing ``json/json.h``. + +The cache variables should not be used by project code. +They may be set by end users to point at JsonCpp components. +#]=======================================================================] + +#----------------------------------------------------------------------------- +find_library(JsonCpp_LIBRARY + NAMES jsoncpp + ) +mark_as_advanced(JsonCpp_LIBRARY) + +find_path(JsonCpp_INCLUDE_DIR + NAMES json/json.h + PATH_SUFFIXES jsoncpp + ) +mark_as_advanced(JsonCpp_INCLUDE_DIR) + +#----------------------------------------------------------------------------- +# Extract version number if possible. +set(_JsonCpp_H_REGEX "^#[ \t]*define[ \t]+JSONCPP_VERSION_STRING[ \t]+\"(([0-9]+)\\.([0-9]+)\\.([0-9]+)[^\"]*)\".*$") +if(JsonCpp_INCLUDE_DIR AND EXISTS "${JsonCpp_INCLUDE_DIR}/json/version.h") + file(STRINGS "${JsonCpp_INCLUDE_DIR}/json/version.h" _JsonCpp_H REGEX "${_JsonCpp_H_REGEX}") +else() + set(_JsonCpp_H "") +endif() +if(_JsonCpp_H MATCHES "${_JsonCpp_H_REGEX}") + set(JsonCpp_VERSION_STRING "${CMAKE_MATCH_1}") + set(JsonCpp_VERSION_MAJOR "${CMAKE_MATCH_2}") + set(JsonCpp_VERSION_MINOR "${CMAKE_MATCH_3}") + set(JsonCpp_VERSION_PATCH "${CMAKE_MATCH_4}") +else() + set(JsonCpp_VERSION_STRING "") + set(JsonCpp_VERSION_MAJOR "") + set(JsonCpp_VERSION_MINOR "") + set(JsonCpp_VERSION_PATCH "") +endif() +unset(_JsonCpp_H_REGEX) +unset(_JsonCpp_H) + +#----------------------------------------------------------------------------- +include(${CMAKE_CURRENT_LIST_DIR}/../../Modules/FindPackageHandleStandardArgs.cmake) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(JsonCpp + FOUND_VAR JsonCpp_FOUND + REQUIRED_VARS JsonCpp_LIBRARY JsonCpp_INCLUDE_DIR + VERSION_VAR JsonCpp_VERSION_STRING + ) +set(JSONCPP_FOUND ${JsonCpp_FOUND}) + +#----------------------------------------------------------------------------- +# Provide documented result variables and targets. +if(JsonCpp_FOUND) + set(JsonCpp_INCLUDE_DIRS ${JsonCpp_INCLUDE_DIR}) + set(JsonCpp_LIBRARIES ${JsonCpp_LIBRARY}) + if(NOT TARGET JsonCpp::JsonCpp) + add_library(JsonCpp::JsonCpp UNKNOWN IMPORTED) + set_target_properties(JsonCpp::JsonCpp PROPERTIES + IMPORTED_LOCATION "${JsonCpp_LIBRARY}" + INTERFACE_INCLUDE_DIRECTORIES "${JsonCpp_INCLUDE_DIRS}" + IMPORTED_LINK_INTERFACE_LANGUAGES "CXX" + ) + endif() +endif() |