During the compilation of clients (cvs head) I got the following errors: cd "MonetSQLdb" && nmake /nologo "prefix=C:\cygwin\home\goncalve\MonetDB\MonetDB_SQL\clients\NT" all cl -GF -W3 -wd4273 -wd4102 -MD -nologo -Zi -Ox -I. -I.\..\..\.. "-IC:\Pthreads\include" -I.\..\..\..\..\src\python\Cim pl "-I..\..\mapilib" -I.\..\..\..\..\..\MonetDB\NT\include -I.\..\..\..\..\..\MonetDB\NT\include\common -I.\..\..\..\..\..\Mon etDB\NT\include\gdk -IC:\Python25\include -LD -Fe_MapiLib.pyd MapiLib.py.obj /link ..\..\mapilib\libMapi.lib C:\Python25\libs \python25.lib Creating library _MapiLib.lib and object _MapiLib.exp MapiLib.py.obj : error LNK2019: unresolved external symbol __imp__mapi_setBlocking referenced in function __wrap_mapi_setBlock ing MapiLib.py.obj : error LNK2019: unresolved external symbol __imp__mapi_is_blocked referenced in function __wrap_mapi_is_blocke d _MapiLib.pyd : fatal error LNK1120: 2 unresolved externals NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop. NMAKE : fatal error U1077: 'cd' : return code '0x2' Stop. NMAKE : fatal error U1077: 'cd' : return code '0x2' Stop. NMAKE : fatal error U1077: 'cd' : return code '0x2' Stop. NMAKE : fatal error U1077: '"E:\Visual Studio .NET 2003\VC7\BIN\nmake.exe"' : return code '0x2' Stop. I already updated and compiled buildtools and MonetDB. Maybe Niels or Fabian know the reason of this error. Regards, Romulo