# emerge media-libs/jpeg  
[....]
i686-pc-linux-gnu-g++ -shared -nostdlib /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/../../../crti.o /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/crtbeginS.o  .libs/jcapimin.o .libs/jcapistd.o .libs/jctrans.o .libs/jcparam.o .libs/jdatadst.o .libs/jcinit.o .libs/jcmaster.o .libs/jcmarker.o .libs/jcmainct.o .libs/jcprepct.o .libs/jccoefct.o .libs/jccolor.o .libs/jcsample.o .libs/jchuff.o .libs/jcphuff.o .libs/jcdctmgr.o .libs/jfdctfst.o .libs/jfdctflt.o .libs/jfdctint.o .libs/jdapimin.o .libs/jdapistd.o .libs/jdtrans.o .libs/jdatasrc.o .libs/jdmaster.o .libs/jdinput.o .libs/jdmarker.o .libs/jdhuff.o .libs/jdphuff.o .libs/jdmainct.o .libs/jdcoefct.o .libs/jdpostct.o .libs/jddctmgr.o .libs/jidctfst.o .libs/jidctflt.o .libs/jidctint.o .libs/jidctred.o .libs/jdsample.o .libs/jdcolor.o .libs/jquant1.o .libs/jquant2.o .libs/jdmerge.o .libs/jcomapi.o .libs/jutils.o .libs/jerror.o .libs/jmemmgr.o .libs/jmemnobs.o  -L/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130 -L/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/../../../../i686-pc-linux-gnu/lib -L/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/../../.. -lstdc++ -lm -lc -lgcc_s /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/crtendS.o /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/../../../crtn.o  -Wl,-soname -Wl,libjpeg.so.62 -o .libs/libjpeg.so.62.0.0
i686-pc-linux-gnu-g++: /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/../../../crti.o: No such file or directory
i686-pc-linux-gnu-g++: /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/crtbeginS.o: No such file or directory
i686-pc-linux-gnu-g++: /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/crtendS.o: No such file or directory
i686-pc-linux-gnu-g++: /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/../../../crtn.o: No such file or directory
c-linux-gnu-g++: /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5-20050130/../../../crtn.o: No such file or directory
make: *** [libjpeg.la] Error 1
[..]
# # eh ?!
# gcc-config -c
i686-pc-linux-gnu-3.3.6
# ls /usr/lib/gcc-lib/i686-pc-linux-gnu/
3.3.5  3.3.6
# mhh ?