% scons -Q --debug=findlibs findlibs: looking for 'libfoo.a' in 'libs1' ... findlibs: ... FOUND 'libfoo.a' in 'libs1' findlibs: looking for 'libfoo.so' in 'libs1' ... findlibs: looking for 'libfoo.so' in 'libs2' ... findlibs: looking for 'libbar.a' in 'libs1' ... findlibs: looking for 'libbar.a' in 'libs2' ... findlibs: ... FOUND 'libbar.a' in 'libs2' findlibs: looking for 'libbar.so' in 'libs1' ... findlibs: looking for 'libbar.so' in 'libs2' ... cc -o prog.o -c prog.c cc -o prog prog.o -Llibs1 -Llibs2 -lfoo -lbar