#!/bin/csh -f

setenv START_OF_COMPILE "`date`"

cont1:

if ( !  -e configure.wrf  ) then
  echo ""
  echo "You must run the 'configure' script before running the 'compile' script!"
  echo "Exiting..."
  echo ""
  exit 1
endif

#----------------------------------
# identify the commit where the compiled code came from
git log >& /dev/null
if ($status) then
   set v='No git found or not a git repository, git commit version not available.'
else
   set v=(git `git log | head -1`  `git diff --shortstat`) >& /dev/null
endif
echo "    CHARACTER (LEN=*), PARAMETER :: commit_version = '$v'" > inc/commit_decl

#----------------------------------
if ( ! $?WRF_KPP )   setenv WRF_KPP  0
if ( $WRF_KPP == 1 ) then
  chem/KPP/compile_wkc
endif

#---------------------------------

set ZAP = .foofoo
set arglist=""
set prev_was_j = false
set count = 0
foreach a ( $argv )
  @ count ++
  if ( "$a" == "-h" ) then
    goto hlp
  else if ( "$a" == "all_wrfvar" || "$a" == "gen_be" ) then
    set arglist = ( $arglist $a )
      grep "DA_CORE=1" configure.wrf > /dev/null
      if ( ! $status ) then 
        # If configuration file has DA_CORE=1, set WRF_DA_CORE to 1
        setenv WRF_DA_CORE 1
      else
        # If the user ran the configure script without the "wrfda" option, "./compile all_wrfvar"
        # will fail in non-obvious ways, and some executables will be created incorrectly.
        # Let's just quit right away to avoid the hassle.
        echo ""
        echo "To build WRFDA, you must run the 'configure' script with the 'wrfda' option:"
        echo "  ./configure wrfda"
        echo ""
        echo "Exiting..."
        echo ""
        exit 1
      endif
  else if   ( "$a" ==  "em_real" ) then
    set arglist = ( $arglist $a )
    set ZAP = ( main/wrf.exe main/real.exe main/ndown.exe main/tc.exe )
  else if   ( `echo $a | cut -c 1-3` == "em_" ) then
    set arglist = ( $arglist $a )
    set ZAP = ( main/wrf.exe main/ideal.exe )
  else if   ( "$a" ==  "io" ) then
    set arglist = ( $arglist $a )
  else if ( "$a" == "wrfplus" ) then
    set arglist = ( $arglist $a )
    set ZAP = ( main/wrfplus.exe )
    setenv WRF_EM_CORE   1
    setenv WRF_PLUS_CORE 1
  else if   ( "$a" ==  "wrf" ) then
    set arglist = ( $arglist $a )
    set ZAP = ( main/wrf.exe )
  else if ( "$a" == "-j" ) then
    @ JJ = $count + 1
    setenv J "-j $argv[$JJ]"
    set prev_was_j = true
  else if ( "$prev_was_j" == "true" ) then
    set prev_was_j = false
  else if   ( "$a" ==  "emi_conv" ) then
    set arglist = ( $arglist $a )
    set ZAP = ( chem/convert_emiss.exe )
  else
    echo "This option is not recognized: $a"
    exit ( 1 )
  endif
end

if ( "$arglist" == "" ) then
  goto hlp
else
  unsetenv A2DCASE
  setenv A2DCASE `echo $arglist | grep 2d`
  unsetenv A1DCASE
  setenv A1DCASE `echo $arglist | grep scm`

  if ( ! ( $?WRF_EM_CORE || $?WRF_PLUS_CORE ) ) then 
    echo 'Neither WRF_EM_CORE nor WRF_PLUS_CORE'
    echo '        are explicitly specified in shell environment.... '
    setenv WRF_EM_CORE 1
    setenv WRF_COAMPS_CORE 0
    setenv WRF_EXP_CORE 0
    setenv WRF_PLUS_CORE 0
  endif

# these settings get passed down through the environment in the
# calls to Make
  if ( ! $?WRF_HYDRO )       then
       setenv WRF_HYDRO  0
       setenv LIB_WRF_HYDRO ""
  else
       if($WRF_HYDRO == 1) then
          setenv LIB_WRF_HYDRO "-L../hydro/lib -lHYDRO"
       else
          setenv LIB_WRF_HYDRO ""
       endif
  endif

  if ( ! $?WRF_DA_CORE )     setenv WRF_DA_CORE 0
  if ( ! $?WRF_EM_CORE )     setenv WRF_EM_CORE 0
  if ( ! $?WRF_COAMPS_CORE ) setenv WRF_COAMPS_CORE 0
  if ( ! $?WRF_EXP_CORE )    setenv WRF_EXP_CORE 0
  if ( ! $?WRF_PLUS_CORE )   setenv WRF_PLUS_CORE 0
  if ( ! $?WRF_CHEM )        setenv WRF_CHEM 0
  if ( ! $?WRF_DFI_RADAR )   setenv WRF_DFI_RADAR 0
  if ( ! $?WRF_CONVERT ) then
     if ( "$arglist" == "convert_em" ) then
       setenv WRF_CONVERT 1
       setenv WRF_EM_CORE 0
     else
       setenv WRF_CONVERT 0
     endif
  endif

# temporary - until all vestiges of NMM ifdefs are gone from WRF source
  setenv WRF_NMM_CORE 0
  setenv WRF_NMM_NEST 0
  setenv HWRF 0

  if ( ! $?DA_ARCHFLAGS )     setenv DA_ARCHFLAGS ""

# if ( ( $WRF_CHEM == 1 )  && ( $WRF_DA_CORE == 1 ) ) then
#   echo "  "
#   echo "WRFDA can not be compiled with WRF_CHEM=1"
#   echo "unset the WRF_CHEM env variable."
#   echo "  "
#   exit
# endif

  if ( ( $WRF_DA_CORE == 1 )  && ( ! -d var ) ) then
    echo "  "
    echo "You need to download and untar the Var code, or"
    echo "unset the WRF_DA_CORE env variable."
    echo "  "
    exit
  endif

  if ( ( $WRF_CHEM == 1 )  && ( ! -d chem ) ) then
    echo "  "
    echo "You need to download and untar the chem code, or"
    echo "unset the WRF_CHEM env variable."
    echo "  "
    exit
  endif

  set overwrite=0


  if ($WRF_EM_CORE == 0 && ! $WRF_CONVERT == 1 ) then
    echo "Cannot compile because both EM core is set to 0."
    exit 2
  endif
  if (($WRF_EM_CORE == 1)&&($WRF_DA_CORE == 0 ) &&($WRF_CHEM == 0 )&&($WRF_CONVERT == 0)&&($WRF_PLUS_CORE == 0) )  then
    if ( ! -f Registry/Registry ) then
      set overwrite=1
    else
      head -2 Registry/Registry | tail -1 | grep EM > /dev/null
      if ( $status ) then
        set overwrite=1
      else
        set em_time=`ls -1tr Registry | cat -n | grep -w 'Registry\.EM' | grep -v 'Registry.EM.' | awk '{print $1}'`
        set rg_time=`ls -1tr Registry | cat -n | grep -w 'Registry' | grep -v 'Registry.' | awk '{print $1}'`
        if ( $em_time > $rg_time ) set overwrite=1
      endif
    endif
    if ( $overwrite ) then
      echo copying Registry/Registry.EM to Registry/Registry
      echo '## WARNING: this file is autogenerated from Registry/Registry.EM. Changes may be lost' > Registry/Registry
      /bin/cat Registry/Registry.EM >> Registry/Registry
    endif
  else if ( ($WRF_EM_CORE == 1)&&($WRF_PLUS_CORE == 1) )  then
    if ( ! -f Registry/Registry ) then
      set overwrite=1
    else
      head -2 Registry/Registry | tail -1 | grep WRFPLUS > /dev/null
      if ( $status ) then
        set overwrite=1
      else
        set em_time=`ls -1tr Registry | cat -n | grep -w 'Registry\.tladj' | grep -v 'Registry.tladj.' | awk '{print $1}'`
        set rg_time=`ls -1tr Registry | cat -n | grep -w 'Registry' | grep -v 'Registry.' | awk '{print $1}'`
        if ( $em_time > $rg_time ) set overwrite=1
      endif
    endif
    if ( $overwrite ) then
      echo copying Registry/Registry.tladj to Registry/Registry
      echo '## WARNING: this file is autogenerated from Registry/Registry.tladj. Changes may be lost' > Registry/Registry
      /bin/cat Registry/Registry.tladj >> Registry/Registry
    endif
  else if (($WRF_EM_CORE == 1)&&($WRF_CHEM == 1 )&&($WRF_DA_CORE == 0))  then
    if ( ! -f Registry/Registry ) then
      set overwrite=1
    else
      head -2 Registry/Registry | tail -1 | grep EM_CHEM > /dev/null
      if ( $status ) then
        set overwrite=1
      else
        set em_time=`ls -1tr Registry | cat -n | grep -w 'Registry\.EM_CHEM' | grep -v 'Registry.EM_CHEM.' | awk '{print $1}'`
        set rg_time=`ls -1tr Registry | cat -n | grep -w 'Registry' | grep -v 'Registry.' | awk '{print $1}'`
        if ( $em_time > $rg_time ) set overwrite=1
      endif
    endif
    if ( $overwrite ) then
      echo copying Registry/Registry.EM_CHEM to Registry/Registry
      echo '## WARNING: this file is autogenerated from Registry/Registry.EM_CHEM. Changes may be lost' > Registry/Registry
      /bin/cat Registry/Registry.EM_CHEM >> Registry/Registry
    endif
  else if (($WRF_EM_CORE == 1)&&($WRF_DFI_RADAR == 1 ))  then
    if ( ! -f Registry/Registry ) then
      set overwrite=1
    endif
    if ( $overwrite ) then
      echo copying Registry/Registry.EM to Registry/Registry
      echo '## WARNING: this file is autogenerated from Registry/Registry.EM. Changes may be lost' > Registry/Registry
      /bin/cat Registry/Registry.EM >> Registry/Registry
    endif
  else if (($WRF_EM_CORE == 0)&&($WRF_CONVERT == 1 ))  then
    if ( ! -f Registry/Registry ) then
      set overwrite=1
    else
      head -2 Registry/Registry | tail -1 | grep EM_CONVERT > /dev/null
      if ( $status ) then
        set overwrite=1
      else
        set em_time=`ls -1tr Registry | cat -n | grep -w 'Registry\.EM_CONVERT' | grep -v 'Registry.EM_CONVERT.' | awk '{print $1}'`
        set rg_time=`ls -1tr Registry | cat -n | grep -w 'Registry' | grep -v 'Registry.' | awk '{print $1}'`
        if ( $em_time > $rg_time ) set overwrite=1
      endif
    endif
    if ( $overwrite ) then
      echo copying Registry/Registry.CONVERT to Registry/Registry
      echo '## WARNING: this file is autogenerated from Registry/Registry.CONVERT. Changes may be lost' > Registry/Registry
      /bin/cat Registry/Registry.CONVERT >> Registry/Registry
    endif
  else if ( $WRF_DA_CORE == 1 )  then
    if ( ! -f Registry/Registry ) then
      set overwrite=1
    else
      if ( $WRF_CHEM == 1 )  then
        head -2 Registry/Registry | tail -1 | grep WRFCHEMVAR > /dev/null
      else
        head -2 Registry/Registry | tail -1 | grep WRFVAR > /dev/null
      endif
      if ( $status ) then
        set overwrite=1
      endif
    endif
    if ( $overwrite ) then
      /bin/rm -f Registry/Registry.rconfig
      /bin/cat Registry/Registry.EM_COMMON | grep '^rconfig' > Registry/Registry.rconfig
      if ($WRF_CHEM == 1 )  then
        echo copying Registry/Registry.wrfchemvar to Registry/Registry
        echo '## WARNING: this file is autogenerated from Registry/Registry.wrfchemvar Registry/Registry.EM_COMMON.var. Changes may be lost' > Registry/Registry
        /bin/cat Registry/Registry.wrfchemvar >> Registry/Registry
      else
        echo copying Registry/Registry.wrfvar to Registry/Registry
        echo '## WARNING: this file is autogenerated from Registry/Registry.wrfvar Registry/Registry.EM_COMMON.var. Changes may be lost' > Registry/Registry
        /bin/cat Registry/Registry.wrfvar >> Registry/Registry
      endif
    endif

    set wrfpluspath = ( `grep "^WRFPLUSPATH" configure.wrf | cut -d"=" -f2-` )
    if ( $wrfpluspath == "" ) then
       setenv WRFPLUS_INC " "
    else
       setenv WRFPLUS_DIR $wrfpluspath
       setenv WRFPLUS_INC "-I${wrfpluspath}/dyn_em -I${wrfpluspath}/main -I${wrfpluspath}/frame -I${wrfpluspath}/share -I${wrfpluspath}/wrftladj"
    endif

    setenv BUFR 1
    set CRTM = ( `grep "\-DCRTM" configure.wrf | sed -e 's/\\//g' | sed 's/-//g' ` )
    if ( $CRTM != "" ) then
       echo "  "
       echo "Will compile with CRTM library"
       echo "  "
       if ( ! $?BUFR ) then
          echo "  "
          echo "BUFR library is needed for radiance data ingest."
          echo "setting BUFR=1"
          echo "  "
          setenv BUFR 1
       endif
       setenv CRTM_CPP "-DCRTM"
       setenv CRTM_LIB "-L../external/crtm_2.3.0/libsrc -lCRTM"
       setenv CRTM_SRC "-I../external/crtm_2.3.0/libsrc"
       #setenv SFC_CRTM `grep '^SFC' configure.wrf | awk '{print $3}' | sed -e 's/\// /g' | awk '{print $NF}'`
       #setenv ABI_CRTM `grep '^SFC' configure.wrf | sed -n 's/.*\(\-m[0-9]\{2\}\).*/\1/p'`
       setenv CRTM 1
    else
       echo "  "
       echo "Compiling WRFDA without CRTM library"
       echo "  "
       setenv CRTM_CPP " "
       setenv CRTM_LIB " "
       setenv CRTM_SRC " "
       setenv CRTM 0
    endif
    set hdf5path = ( `grep "^HDF5PATH" configure.wrf | cut -d"=" -f2-` )
    if ( $hdf5path == "" ) then
       setenv HDF5_INC ""
       unsetenv HDF5
    else
       echo "  "
       echo "Compiling with HDF5 libraries in:"
       echo $hdf5path
       echo "  "
       setenv HDF5_INC "-I${hdf5path}/include"
       setenv HDF5 1
    endif
    set RTTOV = ( `grep "^RTTOVPATH" configure.wrf | cut -d"=" -f2-` )
    if ( $RTTOV == "" ) then
       setenv RTTOV_LIB " "
       setenv RTTOV_SRC " "
       unsetenv RTTOV
    else
       if ( $hdf5path == "" ) then
          echo "As of version 12.1 of RTTOV, WRFDA requires HDF5 in order utilize the RTTOV library."
          echo "RTTOV emissivity atlas files are now provided only in HDF5 format."
          echo "Please supply an HDF5 path prior to configure or unset RTTOV."
          exit 1
       else
          echo "  "
          echo "Compiling with RTTOV libraries in:"
          echo $RTTOV
          echo "  "
          if ( ! $?BUFR ) then
             echo "  "
             echo "BUFR library is needed for radiance data ingest."
             echo "setting BUFR=1"
             echo "  "
             setenv BUFR 1
          endif
          if ( -e ${RTTOV}/lib/librttov12_main.a ) then
             setenv RTTOV_LIB "-L${hdf5path}/lib -lhdf5hl_fortran -lhdf5_hl -lhdf5_fortran -lhdf5 -L${RTTOV}/lib -lrttov12_coef_io -lrttov12_emis_atlas -lrttov12_main -lrttov12_hdf"
          else
             echo "Can not find a compatible RTTOV library! Please ensure that your RTTOV build was successful,"
             echo "your 'RTTOV' environment variable is set correctly, and you are using a supported version of RTTOV."
             echo "Current supported version(s): 12.1"

             exit 1
          endif
          setenv RTTOV_SRC "-I${RTTOV}/include -I${RTTOV}/mod"
       endif
    endif

    if ( $?CLOUD_CV ) then
       setenv CLOUD_CV_CPP "-DCLOUD_CV"
    else
       setenv CLOUD_CV_CPP " "
    endif
    if ( $?BUFR ) then
       setenv BUFR_CPP "-DBUFR"
       setenv BUFR_LIB "-L../external/bufr -lbufr"
    else
       setenv BUFR_CPP " "
       setenv BUFR_LIB " "
    endif
    if ( $?WAVELET ) then
       setenv WAVELET_LIB "../external/wavelet/libWavelet.a ../external/wavelet/lib_wavelet.a"
    else
       setenv WAVELET_LIB " "
    endif
    if ( $?MADIS ) then
       setenv MADIS_CPP "-DMADIS"
       setenv MADIS_STATIC ${MADIS}/static
       setenv MADIS_LIB "-L${MADIS} -lmadis"
    else
       setenv MADIS_CPP " "
       setenv MADIS_LIB " "
    endif
    setenv DA_ARCHFLAGS "${BUFR_CPP} ${MADIS_CPP} -DFFTPACK -DNORESHAPE"
  endif

  echo " "
  echo "============================================================================================== "
  echo " "
  cat inc/version_decl | cut -d"'" -f2 | head -1
  cat inc/commit_decl | cut -d"'" -f2
  echo " "
  echo -n "Compiling: "
  if ( $WRF_DA_CORE ) echo -n "WRF_DA_CORE "
  if ( $WRF_EM_CORE ) echo -n "WRF_EM_CORE "
  if ( $WRF_COAMPS_CORE ) echo -n "WRF_COAMPS_CORE "
  if ( $WRF_EXP_CORE ) echo -n "WRF_EXP_CORE "
  echo " "
  env | grep LARGE
  echo " "
  uname -a
  echo " "
  set comp = ( `grep "^SFC" configure.wrf | cut -d"=" -f2-` )
  if      ( "$comp[1]" == "gfortran" ) then
    gfortran --version
  else if ( "$comp[1]" == "pgf90" ) then
    pgf90 --version
  else if ( "$comp[1]" == "ifort" ) then
    ifort -V
  else
    echo "Not sure how to figure out the version of this compiler: $comp[1]"
  endif
  echo " "
  echo "============================================================================================== "
  echo " "

  if ( ! $?WRF_SRC_ROOT_DIR ) setenv WRF_SRC_ROOT_DIR `pwd`

# new dec 2009.  check to see if make supports parallel -j option
  make -j 2 >& /dev/null
  if ( $status == 0 ) then              # Parallel make ok
    if ( ! $?J ) then                   # J not defined
      echo setting parallel make -j 2   # Set default to 2
      setenv J "-j 2"
    else
#     J is defined, check that it is a correctly formed variable
      set first2chars = `echo $J | cut -c 1-2`         # Are 1st two chars are -j?
      set second_word = `echo $J | cut -d" " -f2`      # Is second word a number?
      if    ( "$first2chars" == "-j" ) then
         if ( ( "$second_word" >= "2"  )  && \
              ( "$second_word" <= "20" ) ) then
            echo setting parallel make $J
         else if ( "$second_word" == "1" ) then
            echo setting serial make $J
         else
            echo "badly formed -j option for parallel make: $J"
            echo "or you set the number of processors above 20 "
            echo setting parallel make -j 2            # Set default to 2
            setenv J "-j 2"
         endif
      else
         if ( "$J" == "" ) then     # J blank is OK
            echo setting serial make $J
         else
            echo "parallel option for make is -j, you entered: $first2chars"
            echo setting parallel make -j 2               # Set default to 2
            setenv J "-j 2"
         endif
      endif
    endif
  else
    echo not setting parallel make
  endif

  /bin/rm -f $ZAP >& /dev/null
  make $arglist A2DCASE="$A2DCASE" WRF_SRC_ROOT_DIR="$WRF_SRC_ROOT_DIR"

endif

exit 0

hlp:

echo ' '
echo 'Usage:'
echo ' '
echo '   compile [-j n] wrf   compile wrf in run dir (NOTE: no real.exe, ndown.exe, or ideal.exe generated)'
echo ' '
echo '   or choose a test case (see README_test_cases for details) :'
foreach d ( `/bin/ls test` )
  if ( "$d" != "CVS" ) then
    echo "      compile [-j n] $d"
  endif
end
echo ' '
echo '  compile -j n               parallel make using n tasks if supported (default 2)'
echo '  compile -h                 help message'