%general-entities; ]> Bzip2 N32 We need to change the default lib path to lib32: sed -i 's@/lib\(/\| \|$\)@/lib32\1@g' Makefile make -f Makefile-libbz2_so CC="gcc ${BUILDN32}" CXX="g++ ${BUILDN32}" make clean make CC="gcc ${BUILDN32}" CXX="g++ ${BUILDN32}" libbz2.a To test the results, issue: make CC="gcc ${BUILDN32}" CXX="g++ ${BUILDN32}" check . cp -v libbz2.a /usr/lib32 cp -av libbz2.so* /lib32 ln -sv ../../lib32/libbz2.so.1.0 /usr/lib32/libbz2.so