A small doxygen improvement - take version from cmake (#436)

Also defines Doxygen output under PROJECT_BINARY_DIR

cppapi/doxygen/CMakeLists.txt

@@ -1,3 +1,5 @@
-add_custom_target(doc doxygen ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
+
+add_custom_target(doc doxygen ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
                     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../server
                     SOURCES Doxyfile)

cppapi/doxygen/Doxyfile → cppapi/doxygen/Doxyfile.in

@@ -38,7 +38,7 @@ PROJECT_NAME           = "Tango Core Classes Reference "
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 9.2.5
+PROJECT_NUMBER         = @MAJOR_VERSION@.@MINOR_VERSION@.@PATCH_VERSION@
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
@@ -51,14 +51,14 @@ PROJECT_BRIEF          =
 # and the maximum width should not exceed 200 pixels. Doxygen will copy the logo
 # to the output directory.
 
-PROJECT_LOGO           = ../doxygen/logo.jpg
+PROJECT_LOGO           = ${PROJECT_SOURCE_DIR}/cppapi/doxygen/logo.jpg
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
 # into which the generated documentation will be written. If a relative path is
 # entered, it will be relative to the location where doxygen was started. If
 # left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       = ./doxygen
+OUTPUT_DIRECTORY       = ${PROJECT_BINARY_DIR}/doxygen
 
 # If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 4096 sub-
 # directories (in 2 levels) under the output directory of each output format and
@@ -1037,7 +1037,7 @@ GENERATE_HTML          = YES
 # The default directory is: html.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_OUTPUT            = ../doc_html
+HTML_OUTPUT            = ${PROJECT_BINARY_DIR}/doc_html
 
 # The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
 # generated HTML page (for example: .htm, .php, .asp).