find jsoncpp without pkgconfig

cmake/FindJSONCPP.cmake

@@ -0,0 +1,30 @@
+#ckwg +4
+# Copyright 2010 by Kitware, Inc. All Rights Reserved. Please refer to
+# KITWARE_LICENSE.TXT for licensing information, or contact General Counsel,
+# Kitware, Inc., 28 Corporate Drive, Clifton Park, NY 12065.
+
+# Locate the system installed JSONCPP
+# The following variables will be set:
+#
+# JSONCPP_FOUND       - Set to true if JSONCPP can be found
+# JSONCPP_INCLUDE_DIR - The path to the JSONCPP header files
+# JSONCPP_LIBRARY     - The full path to the JSONCPP library
+
+if( JSONCPP_DIR )
+  if( JSONCPP_FIND_VERSION )
+    find_package( JSCONCPP ${JSONCPP_FIND_VERSION} NO_MODULE)
+  else()
+    find_package( JSONCPP NO_MODULE)
+  endif()
+elseif( NOT JSONCPP_FOUND )
+  message(STATUS "Searching for json.h")
+  find_path( JSONCPP_INCLUDE_DIR json )
+  message(STATUS "Searching for json.h - ${JSONCPP_INCLUDE_DIR}")
+                    
+  message(STATUS "Searching for libJSONCPP")
+  find_library( JSONCPP_LIBRARY jsoncpp )
+  message(STATUS "Searching for libJSONCPP - ${JSCONPP_LIBRARY}")
+  
+  include( FindPackageHandleStandardArgs )
+  FIND_PACKAGE_HANDLE_STANDARD_ARGS( JSONDPP JSONCPP_INCLUDE_DIR JSONCPP_LIBRARY )
+endif()

src/core/CMakeLists.txt

@@ -2,10 +2,11 @@ set(Boost_USE_STATIC_LIBS ON)
 
 find_package(Boost 1.62 COMPONENTS date_time REQUIRED)
 find_package(SQLite3 REQUIRED)
-find_package(PkgConfig REQUIRED)
+#find_package(PkgConfig REQUIRED)
 find_package(XLNT REQUIRED)
+find_package(JSONCPP REQUIRED)
 #pkg_check_modules(XLNT REQUIRED xlnt>=1.3)
-pkg_check_modules(JSONCPP REQUIRED jsoncpp)
+#pkg_check_modules(JSONCPP REQUIRED jsoncpp)
 
 set(CORE_SOURCES
     database.cpp