I want to encrypt my SQLite-DB, I searched in google and found this link
Step-by-step guide to build Qt-SQL-driver-plugin for SQLite-DB with SQLCipher-extension
but when following the steps I found a problem in step-6 section 'Compile the QSQLCIPHER-driver-plugin for Qt'
executing mingw32-make I got an error message.
Qt Code: 
  1. C:\Qt\Qt5.4.2\5.4\Src\qtbase\src\plugins\sqldrivers\sqlcipher>mingw32-make
  2.  
  3. mingw32-make -f Makefile.Release all
  4.  
  5. mingw32-make[1]: Entering directory 'C:/Qt/Qt5.4.2/5.4/Src/qtbase/src/plugins/sq
  6. ldrivers/sqlcipher'
  7.  
  8. mingw32-make[1]: *** No rule to make target '.moc/release/smain.moc', needed by
  9. '.obj/release/smain.o'.  Stop.
  10.  
  11. mingw32-make[1]: Leaving directory 'C:/Qt/Qt5.4.2/5.4/Src/qtbase/src/plugins/sql
  12. drivers/sqlcipher'
  13.  
  14. makefile:38: recipe for target 'release-all' failed
  15.  
  16. mingw32-make: *** [release-all] Error 2
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