$ g++ -print-search-dirs
install: c:\mingw\bin\../lib/gcc/mingw32/4.5.2/
programs: =c:/mingw/bin/../libexec/gcc/mingw32/4.5.2/;c:/mingw/bin/../libexec/gcc/;c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../../mingw32/bin/mingw32/4.5.2/;c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../../mingw32/bin/
libraries: =c:/mingw/bin/../lib/gcc/mingw32/4.5.2/;c:/mingw/bin/../lib/gcc/;c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../../mingw32/lib/mingw32/4.5.2/;c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../../mingw32/lib/;c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../mingw32/4.5.2/;c:/mingw/bin/../lib/gcc/mingw32/4.5.2/../../../;/mingw/lib/mingw32/4.5.2/;/mingw/lib/