Errors when compiling with the checkerbaord flag (make.inc.gcc)

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What steps will reproduce the problem?

1. Downloaded the code and changed the line in make.inc to "include 
$(QUEST_DIR)/makefiles/make.inc.gcc"
2. In makefiles/make.inc.gcc, added -D_CKB for to PRG_FLAGS
3. Compile by typing make in the parent directory

I see errors related to the "matb" structure.
The version of gcc is 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5)

Here is how the complete output:

ehsan@[QUEST-1.4.1]$ make
make -C SRC
make[1]: Entering directory 
`/home/ehsan/Projects/OneFifthDepletedSQ/DQMC/QUEST-1.4.1/SRC'
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_mpi.F90
dqmc_mpi.F90: In function ‘dqmc_mpi_is_root’:
dqmc_mpi.F90:153:0: warning: ‘isroot’ may be used uninitialized in this 
function [-Wuninitialized]
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_util.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_cfg.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c 
dqmc_geom_param.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_latt.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_bonds.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_reclatt.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_hamilt.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_symm.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_wspace.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_struct.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c 
dqmc_geom_wrap.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_matb.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_ckb.F90
dqmc_ckb.F90:352.46:

  subroutine DQMC_MultBi_Right(n, M, B, V_i, C)
                                              1
Warning: Unused dummy argument 'c' at (1)
dqmc_ckb.F90:218.45:

  subroutine DQMC_MultB_Right(n, M, B, V_i, C)
                                             1
Warning: Unused dummy argument 'c' at (1)
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_seqb.F90
gfortran -m64 -O3 -funroll-loops -Wall -D_CKB -DDQMC_ASQRD   -c dqmc_gfun.F90
dqmc_gfun.F90:467.45:

       call cpp_gfun_swapg(G%cpp_data, SB%B%B, SB%B%Bi, G%V(:,il), G%G)
                                             1
Error: 'b' at (1) is not a member of the 'matb' structure
dqmc_gfun.F90:485.70:

          call cpp_gfun_computeg(G%cpp_data, il, sgn, G%G, G%V, SB%B%B, SB%nOrt
                                                                      1
Error: 'b' at (1) is not a member of the 'matb' structure
dqmc_gfun.F90:509.69:

       call cpp_gfun_computeg(G%cpp_data, il, G%sgn, G%G, G%V, SB%B%B, SB%nOrth
                                                                     1
Error: 'b' at (1) is not a member of the 'matb' structure
make[1]: *** [dqmc_gfun.o] Error 1
make[1]: Leaving directory 
`/home/ehsan/Projects/OneFifthDepletedSQ/DQMC/QUEST-1.4.1/SRC'
make: *** [libdqmc] Error 2

Original issue reported on code.google.com by ehsankha...@gmail.com on 27 Jan 2014 at 10:13