Fail run GNUTOOLS when build ANGLE

(set PATH=C:/QtSDK/Qt-builds/work/build-x32/qt-5.0.1/qtbase/src/angle/src/../../../../gnuwin32/bin;%PATH:)=^)%)
&& win_flex --noline --nounistd --outfile=Tokenizer.cpp
../../../../3rdparty/angle/src/compiler/preprocessor/new/Tokenizer.l
/usr/bin/sh: -c: line 0: syntax error near unexpected token `=^'
/usr/bin/sh: -c: line 0: `(set
PATH=C:/QtSDK/Qt-builds/work/build-x32/qt-5.0.1/qtbase/src/angle/src/../../../../gnuwin32/bin;%PATH:)=^)%)
&& win_flex --noline --nounistd --outfile=Tokenizer.cpp
../../../../3rdparty/angle/src/compiler/preprocessor/new/Tokenizer.l'
Makefile.Debug:150: recipe for target 'Tokenizer.cpp' failed
mingw32-make[7]: *** [Tokenizer.cpp] Error 258
mingw32-make[7]: Leaving directory
'c:/QtSDK/Qt-builds/work/build-x32/qt-5.0.1/qtbase/src/angle/src/compiler/preprocessor'
Makefile:38: recipe for target 'debug-all' failed
mingw32-make[6]: *** [debug-all] Error 2
g++ -c -march=i686 -mtune=core2 -pipe -fno-keep-inline-dllexport -O2
-std=c++0x -fexceptions -mthreads -fno-rtti -Wall -Wextra
-Wno-unknown-pragmas -Wno-comment -Wno-missing-field-initializers
-Wno-switch -Wno-unused-parameter -Wno-write-strings -Wno-sign-compare
-Wno-missing-braces -Wno-unused-but-set-variable -Wno-unused-variable
-Wno-narrowing -Wno-maybe-uninitialized -Wno-strict-aliasing
-Wno-type-limits -Wno-reorder -Wno-conversion-null
-Wno-delete-non-virtual-dtor -DUNICODE -D_WINDOWS -D_UNICODE
-D_CRT_SECURE_NO_DEPRECATE -D_HAS_EXCEPTIONS=0 -DNOMINMAX
-DWIN32_LEAN_AND_MEAN=1 -D_WIN32_WINNT=0x0600 -DWINVER=0x0600
-DANGLE_DISABLE_TRACE -DANGLE_DISABLE_PERF
-DANGLE_COMPILE_OPTIMIZATION_LEVEL=D3DCOMPILE_OPTIMIZATION_LEVEL0
-DANGLE_USE_NEW_PREPROCESSOR=1 -DNDEBUG -D_SECURE_SCL=0
-DQT_NO_DYNAMIC_CAST -I.
-I'../../../../3rdparty/angle/src/compiler/preprocessor/new'
-I'C:/QtSDK/Qt-builds/toolchains/mingw32/i686-w64-mingw32/include'
-I'C:/QtSDK/ported32/include' -I'C:/QtSDK/ported32/include/libxml2'
-I'C:/QtSDK/Qt32-5.0.1/databases/firebird/include'
-I'C:/QtSDK/Qt32-5.0.1/databases/mysql/include/mysql'
-I'C:/QtSDK/Qt32-5.0.1/databases/pgsql/include'
-I'C:/QtSDK/Qt32-5.0.1/databases/oci/include'
-I'../../../../../mkspecs/win32-g++' -o .obj/release_shared/Token.o
../../../../3rdparty/angle/src/compiler/preprocessor/new/Token.cpp
mingw32-make[6]: *** Waiting for unfinished jobs....