C:\gdcm-bin>make
[  0%] Built target gdcmmd5
[  2%] Built target gdcmzlib
[  3%] Built target gdcmgetopt
[ 17%] Built target gdcmjpeg8
[ 30%] Built target gdcmjpeg12
[ 44%] Built target gdcmjpeg16
[ 44%] Built target gdcmexpat
[ 48%] Built target gdcmopenjpeg
[ 52%] Built target gdcmCommon
[ 58%] Built target gdcmDSED
[ 61%] Built target gdcmIOD
[ 63%] Built target gdcmDICT
[ 73%] Built target gdcmMSFF
Linking CXX executable ..\..\..\..\bin\gdcmCommonTests.exe
Creating library file: ..\..\..\..\bin\libgdcmCommonTests.dll.a
/mingw/lib/libstdc++.a(ctype.o):ctype.cc:(.text+0x22): undefined reference to `_imp___ctype'
collect2: ld returned 1 exit status
make[2]: *** [bin/gdcmCommonTests.exe] Error 1
make[1]: *** [Testing/Source/Common/Cxx/CMakeFiles/gdcmCommonTests.dir/all] Error 2
make: *** [all] Error 2