cygwin problem in building in deep directories

Hi

OK, So I tracked this down a bit more.
I moved my libo directory to a very deep location and rebuilt.
It failed in the xml2cmp module.
Notice the last few lines of this error - it looks like our makefile 
messed something up because the "-F" option has an "o" where it should 
have a "$O"

[ build CXX ] xml2cmp/source/xcd/main.cxx

S=C:/LibreOffice/reallyreallylong/reallyreallylong/reallyreallylong/libo
&& 
O=D:/reallyreallylong/reallyreallylong/reallyreallylong/solver/wntmsci12.pro 

&& W=
&&  mkdir -p /CxxObject/xml2cmp/source/xcd/ 
/Dep/CxxObject/xml2cmp/source/xcd/
&&  /cygdrive/c/PROGRA~2/MICROS~1.0/VC/bin/cl.exe
-DBOOST_MEM_FN_ENABLE_CDECL -DCPPU_ENV=msci -DENABLE_GRAPHITE 
-DENABLE_GTK -DINTEL -DM1500 -DMSC -DNDEBUG -DNOMINMAX -DOPTIMIZE 
-DOSL_DEBUG_LEVEL=0 -DSUPD=360 -DWIN32 -DWINVER=0x0500 -DWNT 
-D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NON_CONFORMING_SWPRINTFS 
-D_CRT_SECURE_NO_DEPRECATE -D_DLL -D_MT -D_REENTRANT -D_WIN32_IE=0x0500 
-D_X86_=1  -Gd -GR -Gs -GS -Gy -MD -nologo -Wall -wd4005 -wd4061 -wd4127 
-wd4180 -wd4189 -wd4191 -wd4217 -wd4242 -wd4244 -wd4245 -wd4250 -wd4251 
-wd4265 -wd4275 -wd4290 -wd4294 -wd4350 -wd4355 -wd4365 -wd4503 -wd4505 
-wd4511 -wd4512 -wd4514 -wd4555 -wd4611 -wd4619 -wd4625 -wd4626 -wd4640 
-wd4668 -wd4675 -wd4686 -wd4692 -wd4706 -wd4710 -wd4711 -wd4373 -wd4738 
-wd4786 -wd4800 -wd4820 -wd4826 -wd4917 -wd4996 -Zc:forScope,wchar_t- 
-Zm500   -DEXCEPTIONS_ON -EHa  -Ob1 -Oxs -Oy-
-Fd/LinkTarget/pdb/Executable/xml2cmp.exe.pdb
-IC:/LibreOffice/reallyreallylong/reallyreallylong/reallyreallylong/libo/xml2cmp/source/xcd/ 

-ID:/reallyreallylong/reallyreallylong/reallyreallylong/solver/wntmsci12.pro/inc/external 

-ID:/reallyreallylong/reallyreallylong/reallyreallylong/solver/wntmsci12.pro/inc 

-IC:/LibreOffice/reallyreallylong/reallyreallylong/reallyreallylong/libo/solenv/inc 

-IC:/PROGRA~1/MICROS~3/Windows/v7.1/include
-IC:/PROGRA~2/MICROS~1.0/VC/include
-IC:/PROGRA~2/MICROS~2/include
-c 
C:/LibreOffice/reallyreallylong/reallyreallylong/reallyreallylong/libo/xml2cmp/source/xcd/main.cxx 

-Fo/CxxObject/xml2cmp/source/xcd/main.o
main.cxx

C:\LibreOffice\reallyreallylong\reallyreallylong\reallyreallylong\libo\xml2cmp\source\xcd\main.cxx 
: fatal error C1083: Cannot open compiler generated file: 
'/CxxObject/xml2cmp/source/xcd/main.o': No such file or directory
make: *** [/CxxObject/xml2cmp/source/xcd/main.o] Error 1


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