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# © OpenShot Studios, LLC
#
# SPDX-License-Identifier: LGPL-3.0-or-later
# - Try to find jsoncpp
#
# IMPORTED target
# This module will create the target jsoncpp_lib if jsoncpp is found
#
# Legacy Config Variables
# The following variables are defined for backwards compatibility:
#
# JSONCPP_INCLUDE_DIRS, where to find header, etc.
# JSONCPP_LIBRARIES, the libraries needed to use jsoncpp.
# JSONCPP_FOUND, If false, do not try to use jsoncpp.
# JSONCPP_INCLUDE_PREFIX, include prefix for jsoncpp
# try to detect using pkg-config, and use as hints later
find_package(PkgConfig)
pkg_check_modules(PC_jsoncpp QUIET jsoncpp)
find_path(
jsoncpp_INCLUDE_DIR
NAMES json/json.h
HINTS ${PC_jsoncpp_INCLUDE_DIRS}
DOC "jsoncpp include dir"
)
find_library(
jsoncpp_LIBRARY
NAMES jsoncpp
HINTS ${PC_jsoncpp_LIBRARY_DIR}
DOC "jsoncpp library"
)
set(jsoncpp_INCLUDE_DIRS ${jsoncpp_INCLUDE_DIR})
set(jsoncpp_LIBRARIES ${jsoncpp_LIBRARY})
if (jsoncpp_INCLUDE_DIRS AND jsoncpp_LIBRARIES)
set(jsoncpp_FOUND TRUE)
endif()
# Create the IMPORTED target
if (jsoncpp_FOUND AND NOT TARGET jsoncpp_lib)
add_library(jsoncpp_lib UNKNOWN IMPORTED)
set_property(TARGET jsoncpp_lib PROPERTY
INTERFACE_INCLUDE_DIRECTORIES ${jsoncpp_INCLUDE_DIR})
set_property(TARGET jsoncpp_lib PROPERTY
IMPORTED_LOCATION ${jsoncpp_LIBRARY})
endif()
# debug library on windows
# same naming convention as in qt (appending debug library with d)
# boost is using the same "hack" as us with "optimized" and "debug"
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
find_library(
jsoncpp_LIBRARY_DEBUG
NAMES jsoncppd
HINTS ${PC_jsoncpp_LIBDIR} ${PC_jsoncpp_LIBRARY_DIRS}
DOC "jsoncpp debug library"
)
set(jsoncpp_LIBRARIES optimized ${jsoncpp_LIBRARIES} debug ${jsoncpp_LIBRARY_DEBUG})
# Add Debug location to IMPORTED target
if(TARGET jsoncpp_lib)
set_property(TARGET jsoncpp_lib APPEND PROPERTY
IMPORTED_LOCATION_Debug ${jsoncpp_LIBRARY_DEBUG})
endif()
endif()
# find jsoncpp_INCLUDE_PREFIX
find_path(
jsoncpp_INCLUDE_PREFIX
NAMES json.h
HINTS ${jsoncpp_INCLUDE_DIR}
PATH_SUFFIXES jsoncpp/json json
)
if (${jsoncpp_INCLUDE_PREFIX} MATCHES "jsoncpp")
set(jsoncpp_INCLUDE_PREFIX "jsoncpp/json")
else()
set(jsoncpp_INCLUDE_PREFIX "json")
endif()
# Check the available version
set(_version_file "${jsoncpp_INCLUDE_DIR}/${jsoncpp_INCLUDE_PREFIX}/version.h")
if (jsoncpp_INCLUDE_DIR AND EXISTS ${_version_file})
file(STRINGS "${_version_file}" jsoncpp_version_str
REGEX "JSONCPP_VERSION_STRING.*\"[^\"]+\"")
if(jsoncpp_version_str MATCHES "JSONCPP_VERSION_STRING.*\"([^\"]+)\"")
set(jsoncpp_VERSION_STRING ${CMAKE_MATCH_1})
endif()
unset(jsoncpp_version_str)
string(REGEX REPLACE "^([0-9]+\.[0-9]+\.[0-9]+).*$" "\\1"
jsoncpp_VERSION "${jsoncpp_VERSION_STRING}")
endif()
if(NOT jsoncpp_VERSION)
unset(jsoncpp_VERSION)
unset(jsoncpp_VERSION_STRING)
endif()
# Check version requirement, if specified
if(jsoncpp_FIND_VERSION AND jsoncpp_VERSION)
if("${jsoncpp_FIND_VERSION}" STREQUAL "${jsoncpp_VERSION}")
set(jsoncpp_VERSION_EXACT TRUE)
endif()
if("${jsoncpp_FIND_VERSION}" VERSION_GREATER "${jsoncpp_VERSION}")
set(jsoncpp_VERSION_COMPATIBLE FALSE)
else()
set(jsoncpp_VERSION_COMPATIBLE TRUE)
endif()
endif()
# Legacy
set(JSONCPP_LIBRARY ${jsoncpp_LIBRARY})
set(JSONCPP_LIBRARIES ${jsoncpp_LIBRARIES})
set(JSONCPP_INCLUDE_DIR ${jsoncpp_INCLUDE_DIR})
set(JSONCPP_INCLUDE_DIRS ${jsoncpp_INCLUDE_DIRS})
set(JSONCPP_INCLUDE_PREFIX ${jsoncpp_INCLUDE_PREFIX})
set(JSONCPP_VERSION ${jsoncpp_VERSION})
set(JSONCPP_FOUND ${jsoncpp_FOUND})
# handle the QUIETLY and REQUIRED arguments and set jsoncpp_FOUND to TRUE
# if all listed variables are TRUE, hide their existence from configuration view
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(jsoncpp
REQUIRED_VARS
jsoncpp_INCLUDE_DIR
jsoncpp_LIBRARY
VERSION_VAR
jsoncpp_VERSION
)
mark_as_advanced (jsoncpp_INCLUDE_DIR jsoncpp_LIBRARY)
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