diff -ruN apvlv-0.1.4-Source/src/CMakeLists.txt my/src/CMakeLists.txt
--- apvlv-0.1.4-Source/src/CMakeLists.txt	2012-06-13 05:44:28.000000000 +0200
+++ my/src/CMakeLists.txt	2012-07-17 00:32:53.782141814 +0200
@@ -1,23 +1,18 @@
 IF (WIN32)
         ADD_DEFINITIONS (-D_CRT_SECURE_NO_WARNINGS)
 ELSE (WIN32)
-        SET (CMAKE_CXX_FLAGS "-Wall -fno-strict-aliasing")
-
-        OPTION (APVLV_ENABLE_DEBUG "If build binary with debug infomations." OFF)
-        IF (APVLV_ENABLE_DEBUG)
-                SET (CMAKE_CXX_FLAGS "-D_DEBUG -g ${CMAKE_CXX_FLAGS}")
-        ELSE (APVLV_ENABLE_DEBUG)
-                SET (CMAKE_CXX_FLAGS "-O2 ${CMAKE_CXX_FLAGS}")
-        ENDIF (APVLV_ENABLE_DEBUG)
+        SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -fno-strict-aliasing")
 ENDIF (WIN32)
 
 FIND_PACKAGE (PkgConfig)
 
-PKG_CHECK_MODULES (FREETYPE2 freetype2 REQUIRED)
 PKG_CHECK_MODULES (GTK2 gtk+-2.0 REQUIRED)
 PKG_CHECK_MODULES (GLIB2 glib-2.0 REQUIRED)
 PKG_CHECK_MODULES (GTHREAD2 gthread-2.0 REQUIRED)
-PKG_CHECK_MODULES (WEBKIT1 webkit-1.0 QUIET)
+
+IF (APVLV_WITH_HTML)
+    PKG_CHECK_MODULES (WEBKIT1 webkit-1.0 REQUIRED)
+ENDIF (APVLV_WITH_HTML)
 INCLUDE_DIRECTORIES (${FREETYPE2_INCLUDE_DIRS} 
                      ${GTK2_INCLUDE_DIRS} 
                      ${GLIB2_INCLUDE_DIRS}