When compiling yarp with MINGW, linkage to winmm.lib and wsock32.lib is required. This is not automatic in current CMAKE scripts. The submitted patch corrects this problem by adding the following lines to FindAce.cmake in yarp/conf:
IF (MINGW)
MESSAGE(STATUS "need to link windows-specific libraries")
#LINK_LIBRARIES(winmm wsock32)
SET(ACE_LIBRARY ${ACE_LIBRARY} winmm wsock32)
ENDIF(MINGW)
11/02/2007 - Alex Bernardino
diff file generated by: diff -Naur FindAce.cmake FindAcecmake.2
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Alex committed this some time back.