cmake: Refactor the doc target.

CMakeLists.txt

@@ -155,6 +155,7 @@ CHECK_CXX_SYMBOL_EXISTS( SO_NOSIGPIPE "sys/socket.h" HAVE_SO_NOSIGPIPE )
 # Packages #
 ############
 FIND_PACKAGE( "Boost" REQUIRED )
+FIND_PACKAGE( "Doxygen" )
 FIND_PACKAGE( "MySQL" REQUIRED )
 FIND_PACKAGE( "Threads" REQUIRED )
 FIND_PACKAGE( "ZLIB" REQUIRED )
@@ -193,7 +194,6 @@ IF( EVEMU_TARGETS_IMPORT )
 ENDIF( EVEMU_TARGETS_IMPORT )
 
 # Add all targets
-ADD_SUBDIRECTORY( "doc" )
 ADD_SUBDIRECTORY( "src/eve-core" )
 ADD_SUBDIRECTORY( "src/eve-xmlpktgen" )
 ADD_SUBDIRECTORY( "src/eve-common" )
@@ -202,6 +202,12 @@ ADD_SUBDIRECTORY( "src/eve-collector" )
 ADD_SUBDIRECTORY( "src/eve-tool" )
 ADD_SUBDIRECTORY( "src/eve-test" )
 
+IF( DOXYGEN_FOUND )
+  ADD_SUBDIRECTORY( "doc" )
+ELSE()
+  MESSAGE( WARNING "If you require generated documentation, please install Doxygen" )
+ENDIF( DOXYGEN_FOUND )
+
 ###############
 # CPack setup #
 ###############

doc/CMakeLists.txt

@@ -4,46 +4,29 @@
 # Author: Bloody.Rabbit
 #
 
-################
-# Dependencies #
-################
-FIND_PACKAGE( "Doxygen" )
-
-IF( NOT DOXYGEN_FOUND )
-  MESSAGE( WARNING "If you require generated documentation, please install Doxygen" )
-  RETURN()
-ENDIF( NOT DOXYGEN_FOUND )
-
-##############
-# Initialize #
-##############
-SET( TARGET_NAME       "doc" )
-SET( TARGET_SOURCE_DIR "${PROJECT_SOURCE_DIR}/${TARGET_NAME}" )
-SET( TARGET_BINARY_DIR "${PROJECT_BINARY_DIR}/${TARGET_NAME}" )
-
-#########
-# Files #
-#########
-SET( DOXYGEN_TEMPLATE "${TARGET_SOURCE_DIR}/Doxyfile.in" )
-SET( DOXYGEN_INPUT    "${TARGET_BINARY_DIR}/Doxyfile" )
-SET( DOXYGEN_OUTPUT   "${TARGET_BINARY_DIR}/html" )
-
-CONFIGURE_FILE( "${DOXYGEN_TEMPLATE}"
-                "${DOXYGEN_INPUT}"
-                ESCAPE_QUOTES @ONLY )
-
-########################
-# Setup the generation #
-########################
-ADD_CUSTOM_COMMAND( OUTPUT ${DOXYGEN_OUTPUT}
-                    COMMAND "${DOXYGEN_EXECUTABLE}" ARGS "${DOXYGEN_INPUT}"
-                    DEPENDS "${DOXYGEN_INPUT}"
-                    COMMENT "Generating documentation ..."
-                    VERBATIM )
-
-ADD_CUSTOM_TARGET( "${TARGET_NAME}" ALL
-                   DEPENDS ${DOXYGEN_OUTPUT}
-                   SOURCES "${DOXYGEN_TEMPLATE}" )
-
-INSTALL( DIRECTORY ${DOXYGEN_OUTPUT}
-         DESTINATION "doc/${PROJECT_NAME}-${PROJECT_VERSION}" )
+SET( DOXYGEN_OUTPUT
+  "${CMAKE_CURRENT_BINARY_DIR}/html"
+  )
+
+CONFIGURE_FILE(
+  "Doxyfile.in"
+  "Doxyfile"
+  ESCAPE_QUOTES @ONLY
+  )
+ADD_CUSTOM_COMMAND(
+  OUTPUT ${DOXYGEN_OUTPUT}
+  COMMAND "${DOXYGEN_EXECUTABLE}" ARGS "Doxyfile"
+  DEPENDS "Doxyfile"
+  COMMENT "Generating documentation ..."
+  VERBATIM
+  )
+ADD_CUSTOM_TARGET(
+  "doc" ALL
+  DEPENDS ${DOXYGEN_OUTPUT}
+  SOURCES "Doxyfile.in"
+  )
+
+INSTALL(
+  DIRECTORY ${DOXYGEN_OUTPUT}
+  DESTINATION "share/doc/${PROJECT_NAME}"
+  )