1 files changed, 156 insertions, 0 deletions
diff --git a/utils/cmake/util.cmake b/utils/cmake/util.cmake
new file mode 100644
index 0000000..6e3a815
--- /dev/null
+++ b/utils/cmake/util.cmake
@@ -0,0 +1,156 @@
+MACRO(RECURSIVE_FIND_DIR return_list dir pattern)
+    FILE(GLOB_RECURSE new_list "${dir}/${pattern}")
+    SET(dir_list "")
+    FOREACH(file_path ${new_list})
+        GET_FILENAME_COMPONENT(dir_path ${file_path} PATH)
+        SET(dir_list ${dir_list} ${dir_path})
+    ENDFOREACH()
+    LIST(REMOVE_DUPLICATES dir_list)
+    SET(${return_list} ${dir_list})
+ENDMACRO()
+
+MACRO(RECURSIVE_FIND_FILE return_list dir pattern)
+    FILE(GLOB_RECURSE new_list "${dir}/${pattern}")
+    SET(dir_list "")
+    FOREACH(file_path ${new_list})
+        SET(dir_list ${dir_list} ${file_path})
+    ENDFOREACH()
+    LIST(REMOVE_DUPLICATES dir_list)
+    SET(${return_list} ${dir_list})
+ENDMACRO()
+
+MACRO(SOURCE_FILES return_list dir pattern)
+    FILE(GLOB new_list "${dir}/${pattern}")
+    SET(dir_list "")
+    FOREACH(file_path ${new_list})
+        LIST(APPEND dir_list ${file_path})
+    ENDFOREACH()
+    LIST(REMOVE_DUPLICATES dir_list)
+    SET(${return_list} ${dir_list})
+ENDMACRO()
+
+function(EXTRACT_JSON_ARRAY json_file json_field_path fields values)
+
+    set(VALUES "")
+    set(FIELDS "")
+
+    foreach(var ${${json_file}})
+        # extract any cmd line definitions specified in the json object, and add them
+        # if it is not prefixed by json_field_path, do not consider the key.
+        if("${var}" MATCHES "${json_field_path}")
+            string(REGEX MATCH "[^${json_field_path}]([A-Z,a-z,0-9,_,]+)" VALUE "${var}")
+
+            # never quote the value - gives more flexibility
+            list(APPEND FIELDS ${VALUE})
+            list(APPEND VALUES "${${var}}")
+        endif()
+    endforeach()
+
+    set(${fields} ${FIELDS} PARENT_SCOPE)
+    set(${values} ${VALUES} PARENT_SCOPE)
+endfunction()
+
+function(FORM_DEFINITIONS fields values definitions)
+
+    set(DEFINITIONS "")
+    list(LENGTH ${fields} LEN)
+
+    # - 1 for for loop index...
+    MATH(EXPR LEN "${LEN}-1")
+
+    foreach(i RANGE ${LEN})
+        list(GET ${fields} ${i} DEFINITION)
+        list(GET ${values} ${i} VALUE)
+
+        set(DEFINITIONS "${DEFINITIONS} #define ${DEFINITION}\t ${VALUE}\n")
+    endforeach()
+
+    set(${definitions} ${DEFINITIONS} PARENT_SCOPE)
+endfunction()
+
+function(UNIQUE_JSON_KEYS priority_fields priority_values secondary_fields secondary_values merged_fields merged_values)
+
+    # always keep the first fields and values
+    set(MERGED_FIELDS ${${priority_fields}})
+    set(MERGED_VALUES ${${priority_values}})
+
+    # measure the second set...
+    list(LENGTH ${secondary_fields} LEN)
+    # - 1 for for loop index...
+    MATH(EXPR LEN "${LEN}-1")
+
+    # iterate, dropping any duplicate fields regardless of the value
+    foreach(i RANGE ${LEN})
+        list(GET ${secondary_fields} ${i} FIELD)
+        list(GET ${secondary_values} ${i} VALUE)
+
+        list(FIND MERGED_FIELDS ${FIELD} INDEX)
+
+        if (${INDEX} GREATER -1)
+            continue()
+        endif()
+
+        list(APPEND MERGED_FIELDS ${FIELD})
+        list(APPEND MERGED_VALUES ${VALUE})
+    endforeach()
+
+    set(${merged_fields} ${MERGED_FIELDS} PARENT_SCOPE)
+    set(${merged_values} ${MERGED_VALUES} PARENT_SCOPE)
+endfunction()
+
+MACRO(HEADER_FILES return_list dir)
+    FILE(GLOB new_list "${dir}/*.h")
+    SET(${return_list} ${new_list})
+ENDMACRO()
+
+function(INSTALL_DEPENDENCY dir name url branch type)
+    if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/${dir}")
+        message("Creating libraries folder")
+        FILE(MAKE_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}/${dir}")
+    endif()
+
+    if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/${dir}/${name}")
+        message("${name} is already installed")
+        return()
+    endif()
+
+    if(${type} STREQUAL "git")
+        message("Cloning into: ${url}")
+	    # git clone -b doesn't work with SHAs
+        execute_process(
+            COMMAND git clone --recurse-submodules ${url} ${name}
+            WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/${dir}
+        )
+
+        if(NOT "${branch}" STREQUAL "")
+            message("Checking out branch: ${branch}")
+            execute_process(
+                COMMAND git -c advice.detachedHead=false checkout ${branch}
+                WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/${dir}/${name}
+            )
+            execute_process(
+                COMMAND git submodule update --init
+                WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/${dir}/${name}
+            )
+            execute_process(
+                COMMAND git submodule sync
+                WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/${dir}/${name}
+            )
+            execute_process(
+                COMMAND git submodule update
+                WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/${dir}/${name}
+            )
+        endif()
+    else()
+        message("No mechanism exists to install this library.")
+    endif()
+endfunction()
+
+MACRO(SUB_DIRS return_dirs dir)
+    FILE(GLOB list "${PROJECT_SOURCE_DIR}/${dir}/*")
+    SET(dir_list "")
+    FOREACH(file_path ${list})
+        SET(dir_list ${dir_list} ${file_path})
+    ENDFOREACH()
+    set(${return_dirs} ${dir_list})
+ENDMACRO()