Hi,
i am using Qt5.5.0 and try to install Qwt 5.0.2

qmake
mingw32-make
i got this error

cd src\ && ( if not exist Makefile C:\Qt\Qt5.5.0\5.5\mingw492_32\bin\qmake.exe
:\Users\naveeniya\Desktop\qwt-5.0.2\qwt-5.0.2\src\src.pro -o Makefile ) && ming
32-make -f Makefile
mingw32-make[1]: Entering directory 'C:/Users/naveeniya/Desktop/qwt-5.0.2/qwt-5
0.2/src'
mingw32-make -f Makefile.Release
mingw32-make[2]: Entering directory 'C:/Users/naveeniya/Desktop/qwt-5.0.2/qwt-5
0.2/src'
g++ -c -pipe -fno-keep-inline-dllexport -O2 -Wall -Wextra -frtti -fexceptions -
threads -DUNICODE -DQT_DLL -DQWT_DLL -DQWT_MAKEDLL -DQT_NO_DEBUG -DQT_GUI_LIB -
QT_CORE_LIB -I. -IC:\Qt\Qt5.5.0\5.5\mingw492_32\include -IC:\Qt\Qt5.5.0\5.5\min
w492_32\include\QtGui -IC:\Qt\Qt5.5.0\5.5\mingw492_32\include\QtANGLE -IC:\Qt\Q
5.5.0\5.5\mingw492_32\include\QtCore -Imoc -IC:\Qt\Qt5.5.0\5.5\mingw492_32\mksp
cs\win32-g++ -o obj\qwt_abstract_scale_draw.o qwt_abstract_scale_draw.cpp
In file included from qwt_abstract_scale_draw.cpp:18:0:
qwt_scale_map.h:86:5: error: 'QT_STATIC_CONST' does not name a type
QT_STATIC_CONST double LogMin;
^
qwt_scale_map.h:87:5: error: 'QT_STATIC_CONST' does not name a type
QT_STATIC_CONST double LogMax;
^
Makefile.Release:1928: recipe for target 'obj/qwt_abstract_scale_draw.o' failed
mingw32-make[2]: *** [obj/qwt_abstract_scale_draw.o] Error 1
mingw32-make[2]: Leaving directory 'C:/Users/naveeniya/Desktop/qwt-5.0.2/qwt-5.
.2/src'
Makefile:34: recipe for target 'release' failed
mingw32-make[1]: *** [release] Error 2
mingw32-make[1]: Leaving directory 'C:/Users/naveeniya/Desktop/qwt-5.0.2/qwt-5.
.2/src'
makefile:40: recipe for target 'sub-src-make_first' failed
mingw32-make: *** [sub-src-make_first] Error 2

kindly provide me help to solve this......