--- plugins/src/sqldrivers/sqlite/sqlite.pro
+++ plugins/src/sqldrivers/sqlite/sqlite.pro
@@ -10,6 +10,9 @@
 
 unix {
 	OBJECTS_DIR = .obj
+	!contains( LIBS, .*sqlite.* ) {
+		LIBS    *= -lsqlite
+	}
 }
 
 win32 {
@@ -23,54 +26,6 @@
 #	}
 }
 
-!contains( LIBS, .*sqlite.* ) {
-    INCLUDEPATH += ../../../../src/3rdparty/sqlite
-
-    HEADERS += ../../../../src/3rdparty/sqlite/btree.h \
-               ../../../../src/3rdparty/sqlite/config.h \
-               ../../../../src/3rdparty/sqlite/hash.h \
-               ../../../../src/3rdparty/sqlite/opcodes.h \
-               ../../../../src/3rdparty/sqlite/os.h \
-               ../../../../src/3rdparty/sqlite/pager.h \
-               ../../../../src/3rdparty/sqlite/parse.h \
-               ../../../../src/3rdparty/sqlite/sqlite.h \
-               ../../../../src/3rdparty/sqlite/sqliteInt.h \
-               ../../../../src/3rdparty/sqlite/vdbe.h \
-	       ../../../../src/3rdparty/sqlite/vdbeInt.h
-
-    SOURCES += ../../../../src/3rdparty/sqlite/attach.c \
-               ../../../../src/3rdparty/sqlite/auth.c \
-               ../../../../src/3rdparty/sqlite/btree.c \
-               ../../../../src/3rdparty/sqlite/btree_rb.c \
-               ../../../../src/3rdparty/sqlite/build.c \
-               ../../../../src/3rdparty/sqlite/copy.c \
-	       ../../../../src/3rdparty/sqlite/date.c \
-               ../../../../src/3rdparty/sqlite/delete.c \
-               ../../../../src/3rdparty/sqlite/expr.c \
-               ../../../../src/3rdparty/sqlite/func.c \
-               ../../../../src/3rdparty/sqlite/hash.c \
-               ../../../../src/3rdparty/sqlite/insert.c \
-               ../../../../src/3rdparty/sqlite/main.c \
-               ../../../../src/3rdparty/sqlite/opcodes.c \
-               ../../../../src/3rdparty/sqlite/os.c \
-               ../../../../src/3rdparty/sqlite/pager.c \
-               ../../../../src/3rdparty/sqlite/parse.c \
-               ../../../../src/3rdparty/sqlite/pragma.c \
-               ../../../../src/3rdparty/sqlite/printf.c \
-               ../../../../src/3rdparty/sqlite/random.c \
-               ../../../../src/3rdparty/sqlite/select.c \
-               ../../../../src/3rdparty/sqlite/shell.c \
-               ../../../../src/3rdparty/sqlite/table.c \
-               ../../../../src/3rdparty/sqlite/tokenize.c \
-               ../../../../src/3rdparty/sqlite/trigger.c \
-               ../../../../src/3rdparty/sqlite/update.c \
-               ../../../../src/3rdparty/sqlite/util.c \
-               ../../../../src/3rdparty/sqlite/vacuum.c \
-               ../../../../src/3rdparty/sqlite/vdbe.c \
-	       ../../../../src/3rdparty/sqlite/vdbeaux.c \
-               ../../../../src/3rdparty/sqlite/where.c
-}
-
 REQUIRES	= sql
 
 target.path += $$plugins.path/sqldrivers
--- src/tools/qcstring.cpp
+++ src/tools/qcstring.cpp
@@ -53,7 +53,7 @@
 #include <ctype.h>
 #include <limits.h>
 #ifndef QT_NO_COMPRESS
-#include "../3rdparty/zlib/zlib.h"
+#include <zlib.h>
 #endif
 
 /*****************************************************************************