This file is indexed.

/usr/share/coin/doc/Cbc/cbc_addlibs.txt is in coinor-libcbc-dev 2.9.9+repack1-1.

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-lCbcSolver -lCbc -lpthread -lrt -lCgl -lOsiClp -lClpSolver -lClp -lOsi -lCoinUtils -lbz2 -lz -llapack -lblas -lm