#!/usr/bin/cmake -P

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# - Try to find libjson-c

# Once done, this will define

#

#  libjson-c_FOUND - system has libjson-c

#  libjson-c_INCLUDE_DIRS - the libjson-c include directories

#  libjson-c_LIBRARIES - link these to use libjson-c

find_package(PkgConfig)

pkg_check_modules(PC_JSON_C QUIET json-c)

# Use pkg-config to get hints about paths

execute_process(COMMAND pkg-config --cflags json-c --silence-errors

  COMMAND cut -d I -f 2

  OUTPUT_VARIABLE JSON-C_PKG_CONFIG_INCLUDE_DIRS

  OUTPUT_STRIP_TRAILING_WHITESPACE)

set(JSON-C_PKG_CONFIG_INCLUDE_DIRS "${JSON-C_PKG_CONFIG_INCLUDE_DIRS}" CACHE STRING "Compiler flags for JSON-C library")

# Include dir

find_path(libjson-c_INCLUDE_DIRS

  NAMES json-c/json.h

  PATHS ${LIBJSON-C_ROOT}/include

  ${JSON-C_PKG_CONFIG_INCLUDE_DIRS}

  /usr/local/include

  /usr/include

  ${CMAKE_EXTRA_INCLUDES})

# The library itself

find_library(libjson-c_LIBRARIES

  NAMES json-c

  PATHS ${LIBJSON-C_ROOT}/lib

  ${PC_JSON_C_LIBDIR}

  ${PC_JSON_C_LIBRARY_DIRS}

  /usr/local/lib

  /usr/lib

  /lib

  /usr/lib/x86_64-linux-gnu

  ${CMAKE_EXTRA_LIBS})

if(libjson-c_LIBRARIES AND libjson-c_INCLUDE_DIRS)

  set(libjson-c_FOUND true)

endif(libjson-c_LIBRARIES AND libjson-c_INCLUDE_DIRS)

include(FindPackageHandleStandardArgs)

find_package_handle_standard_args(libjson-c REQUIRED_VARS libjson-c_INCLUDE_DIRS libjson-c_LIBRARIES)