Todo.txt

install all pc files:

Cbc/cbc.pc.in:

prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@/coin

Name: CBC
Description: COIN-OR Branch and Cut
URL: https://projects.coin-or.org/Cbc
Version: @PACKAGE_VERSION@
Libs: -L${libdir} -lCbcSolver -lCbc @CBCLIB_PCLIBS@
Cflags: -I${includedir}
Requires: @CBCLIB_PCREQUIRES@

to Cbc/cbc.pc:

prefix=/opt/cbc-devel
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include/coin

Name: CBC
Description: COIN-OR Branch and Cut
URL: https://projects.coin-or.org/Cbc
Version: 2.10.3
Libs: -L${libdir} -lCbcSolver -lCbc 
Cflags: -I${includedir}
Requires: osi-clp cgl osi coinutils 

List of pc files in Cbc:

./Data/miplib3/coindatamiplib3.pc.in
./Data/Sample/coindatasample.pc.in
./ThirdParty/Mumps/coinmumps.pc.in
./ThirdParty/Metis/coinmetis.pc.in
./ThirdParty/Glpk/coinglpk.pc.in
./ThirdParty/Lapack/coinlapack.pc.in
./ThirdParty/Blas/coinblas.pc.in
./ThirdParty/ASL/coinasl.pc.in

Todo:
./ThirdParty/Mumps
./ThirdParty/Metis
./ThirdParty/Glpk/
./ThirdParty/Lapack
./ThirdParty/Blas
./ThirdParty/ASL
./Data/miplib3
./Data/Sample

Add this pkg-config generation in if (UNIX) ... endif ()