安装CMAQ5.2遇到如下错误

运行bldit_cctm.csh 文件的时候出现如下错误：

collect2: error: ld returned 1 exit status
make: *** [Makefile:408：CCTM_v52.exe] 错误 1
**ERROR** while running make command

仅生成CCTM_v52.cfg 未能生成CCTM_v52.exe 文件
config_cmaq.csh 文件如下：

case gcc:
  
        #> I/O API, netCDF, and MPI library locations
        setenv IOAPI_MOD_DIR   /home/gyx/Build_WRF/ioapi-3.2/Linux2_x86_64  #> I/O API precompiled modules
        setenv IOAPI_INCL_DIR  /home/gyx/Build_WRF/ioapi-3.2/ioapi/fixed_src  #> I/O API include header files
        setenv IOAPI_LIB_DIR   /home/gyx/Build_WRF/ioapi-3.2/Linux2_x86_64  #> I/O API libraries
        setenv NETCDF_LIB_DIR  /home/gyx/Build_WRF/LIBRARIES/netcdf/lib #> netCDF directory path
        setenv NETCDF_INCL_DIR /home/gyx/Build_WRF/LIBRARIES/netcdf/include #> netCDF directory path
        setenv MPI_LIB_DIR     /home/gyx/Build_WRF/LIBRARIES/mpich  #> MPI directory path
   
        #> Compiler Aliases and Flags
        setenv myFC mpif90
        #setenv myFC mpifort
        setenv myCC gcc
        setenv myFSTD "-O3 -funroll-loops -finit-character=32 -Wtabs -Wsurprising"
        setenv myDBG  "-Wall -O0 -g -fcheck=all -ffpe-trap=invalid,zero,overflow -fbacktrace"
        #setenv myDBG  "$myDBG -fimplicit-none"
        setenv myFFLAGS "-ffixed-form -ffixed-line-length-132 -funroll-loops -finit-character=32"
        setenv myFRFLAGS "-ffree-form -ffree-line-length-none -funroll-loops -finit-character=32"
        setenv myCFLAGS "-O2"
        setenv myLINK_FLAG "-fopenmp"
        setenv extra_lib "-lgomp"
        #setenv mpi_lib "-lmpi_mpifh"   #> -lmpich for mvapich or -lmpi for openmpi
        setenv mpi_lib ""   #> -lmpich for mvapich or -lmpi for openmpi
   
        breaksw

    default:
        echo "*** Compiler $compiler not found"
        exit(2)
        breaksw