How to let g++ search for library directory /opt/local/lib/

[Peng Yu]

Hi,

g++ does not search /opt/local/lib/ by default. Does anybody know how
to let it search /opt/local/lib/ by default?

~/linux/test/cpp/library/pcrecpp$ port select gcc
Available versions for gcc:
	apple-gcc42 (active)
	llvm-gcc42
	mp-gcc45
	mp-gcc47
	none
~/linux/test/cpp/library/pcrecpp$ g++ main.o -lpcrecpp  -o main
-L/opt/local/lib/
~/linux/test/cpp/library/pcrecpp$ g++ main.o -lpcrecpp  -o main
ld: library not found for -lpcrecpp
collect2: ld returned 1 exit status

-- 
Regards,
Peng