Error During Building Libre Office on windows 10

while running $ make 2>&1 | tee build.log i am getting a errors.Here is a
part of  error log.Don't know how to resolve this.




Failures !!!
Run: 94   Failure total: 1   Failures: 0   Errors: 1
warn:vcl.schedule.deinit:16088:408:vcl/source/app/scheduler.cxx:175: DeInit
task: Timer a: 1 p: 1 drawinglayer ImpTimedRefDev destroy mpVirDev 180000ms
(05398090)
warn:vcl.schedule.deinit:16088:408:vcl/source/app/scheduler.cxx:175: DeInit
task: Timer a: 1 p: 1 graphic::Manager maSwapOutTimer 10000ms (5BA41B30)
warn:vcl.schedule.deinit:16088:408:vcl/source/app/scheduler.cxx:196: DeInit
active tasks: 2 (ignored: 0)
warn:fwk.desktop:16088:408:framework/source/services/desktop.cxx:1060:
Desktop disposed before terminating it

Error: a unit test failed, please do one of:
make CppunitTest_sw_rtfimport CPPUNITTRACE=TRUE # which is a shortcut for
the following line
make CppunitTest_sw_rtfimport CPPUNITTRACE="'C:/Program Files
(x86)/Microsoft Visual Studio/2017/Community/Common7/IDE/devenv.exe'
/debugexe" # for interactive debugging in Visual Studio
make CppunitTest_sw_rtfimport CPPUNITTRACE="drmemory -free_max_frames 20" #
for memory checking (install Dr.Memory first, and put it to your PATH)

You can limit the execution to just one particular test by:

make CppunitTest_sw_rtfimport CPPUNIT_TEST_NAME="testXYZ" ...above
mentioned params...

make[1]: ***
[C:/cygwin/home/HP/lode/dev/core/solenv/gbuild/CppunitTest.mk:114:
C:/cygwin/home/HP/lode/dev/core/workdir/CppunitTest/sw_rtfimport.test]
Error 1
make[1]: *** Waiting for unfinished jobs....
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2192): error
C2065: 'Diff': undeclared identifier
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2192): error
C2146: syntax error: missing ';' before identifier 'view'
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2217): error
C2065: 'pXmlDoc': undeclared identifier
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2222): error
C2065: 'pXmlDoc': undeclared identifier
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2236): error
C2374: 'xMetaFile': redefinition; multiple initialization
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2233): note:
see declaration of 'xMetaFile'
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2237): error
C2086: 'MetafileXmlDump dumper': redefinition
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2234): note:
see declaration of 'dumper'
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2238): error
C2100: illegal indirection
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2253): error
C2059: syntax error: '='
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2259): error
C2065: 'pXmlDoc': undeclared identifier
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2263): error
C2065: 'nYTop': undeclared identifier
C:/cygwin/home/HP/lode/dev/core/sw/qa/extras/layout/layout.cxx(2263): error
C2660: 'CppUnit::assertDoubleEquals': function does not take 4 arguments
C:\cygwin\home\HP\lode\dev\core\workdir\UnpackedTarball\cppunit\include\cppunit/TestAssert.h(181):
note: see declaration of 'CppUnit::assertDoubleEquals'
make[1]: ***
[C:/cygwin/home/HP/lode/dev/core/solenv/gbuild/LinkTarget.mk:296:
C:/cygwin/home/HP/lode/dev/core/workdir/CxxObject/sw/qa/extras/layout/layout.o]
Error 2
make: *** [Makefile:282: build] Error 2