Revert "Delete our QJson CMake module"

This reverts commit 8474a866367dab74feac51db44e6aeefce4827b3.

Old versions of QJson don't ship with a CMake module, so we need to
provide ours.

diff --git a/cmake/modules/FindQJSON.cmake b/cmake/modules/FindQJSON.cmake
new file mode 100644 (file)
index 0000000..a5b5c79
--- /dev/null
+++ b/cmake/modules/FindQJSON.cmake
@@ -0,0 +1,47 @@
+# Find QJSON - JSON handling library for Qt
+# Source: http://gitorious.org/libmygpo-qt/libmygpo-qt/blobs/634b150fabdcafddcfb98a9a08cc414d95ae0dbe/cmake/modules/FindQJSON.cmake
+#
+# This module defines
+#  QJSON_FOUND - whether the qsjon library was found
+#  QJSON_LIBRARIES - the qjson library
+#  QJSON_INCLUDE_DIR - the include path of the qjson library
+#
+
+if (QJSON_INCLUDE_DIR AND QJSON_LIBRARIES)
+
+  # Already in cache
+  set (QJSON_FOUND TRUE)
+
+else (QJSON_INCLUDE_DIR AND QJSON_LIBRARIES)
+
+  if (NOT WIN32)
+    # use pkg-config to get the values of QJSON_INCLUDE_DIRS
+    # and QJSON_LIBRARY_DIRS to add as hints to the find commands.
+    include (FindPkgConfig)
+    pkg_check_modules (QJSON REQUIRED QJson>=0.5)
+  endif (NOT WIN32)
+
+  find_library (QJSON_LIBRARIES
+    NAMES
+    qjson
+    PATHS
+    ${QJSON_LIBRARY_DIRS}
+    ${LIB_INSTALL_DIR}
+    ${KDE4_LIB_DIR}
+  )
+
+  find_path (QJSON_INCLUDE_DIR
+    NAMES
+    parser.h
+    PATH_SUFFIXES
+    qjson
+    PATHS
+    ${QJSON_INCLUDE_DIRS}
+    ${INCLUDE_INSTALL_DIR}
+    ${KDE4_INCLUDE_DIR}
+  )
+
+  include(FindPackageHandleStandardArgs)
+  find_package_handle_standard_args(QJSON DEFAULT_MSG QJSON_LIBRARIES QJSON_INCLUDE_DIR)
+
+endif (QJSON_INCLUDE_DIR AND QJSON_LIBRARIES)