This is what I get when running qmake in the directory with all of the lbr2svg files.
~/eagle-7.6.0/lbr/seeed
$ qmake
WARNING: Failure to find: ../../fritzing-app/src/utils/textutils.cpp
WARNING: Failure to find: ../../fritzing-app/src/utils/schematicrectconstants.cpp
WARNING: Failure to find: ../../fritzing-app/src/utils/misc.cpp
WARNING: Failure to find: ../../fritzing-app/src/svg/svgfilesplitter.cpp
WARNING: Failure to find: ../../fritzing-app/src/svg/svgpathlexer.cpp
WARNING: Failure to find: ../../fritzing-app/src/svg/svgpathparser.cpp
WARNING: Failure to find: ../../fritzing-app/src/svg/svgpathgrammar.cpp
WARNING: Failure to find: ../../fritzing-app/src/svg/svgpathrunner.cpp
WARNING: Failure to find: ../../fritzing-app/src/installedfonts.h
WARNING: Failure to find: ../../fritzing-app/src/utils/textutils.h
WARNING: Failure to find: ../../fritzing-app/src/utils/schematicrectconstants.h
WARNING: Failure to find: ../../fritzing-app/src/utils/misc.h
WARNING: Failure to find: ../../fritzing-app/src/svg/svgfilesplitter.h
WARNING: Failure to find: ../../fritzing-app/src/svg/svgpathlexer.h
WARNING: Failure to find: ../../fritzing-app/src/svg/svgpathparser.h
WARNING: Failure to find: ../../fritzing-app/src/svg/svgpathgrammar_p.h
WARNING: Failure to find: ../../fritzing-app/src/svg/svgpathrunner.h
WARNING: Failure to find: ../../fritzing-app/phoenixresources.qrc